CRN8911 PPG User Manual.indd
Contents
1. Existing Propress fitting Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 1 1 4 3 Tubing Supports These instructions are in addition to the requirements clause 4 3 of AS5601 Tube fixing clips perform two functions One function is to provide support for the tubing system he second function is to guide the tubing during expansion and contraction changes in the length of the tubing due to changes in temperature Standard tubing clips can be used to support the tubing Excessively large spacing between hangers may resultin vibration and subsequent noise Refer to AS5601 for the standard support spacing 4 3 1 Spacing of Fixing Clips next to a Change in Direction Where a large amount of expansion or contraction IS expected fixing clips should not be placed within 100mm of a PropressG fitting 2100 4 3 2 Spacing of Fixing Clips next to a Change in Direction Due to expansion or contraction a fixing clip placed at right angles could unintentionally fix the pipe Where a large amount of expansion or contraction Is expected fixing clips should not be placed within 250mm of fittings at a change in direction 4 4 Cutting Tubing Copper tubing can be cut to length with a tube cutter or a fine toothed metal saw It is not acceptable to cut the tubing with an abrasive cutting wheel or torch The tubing ends must be deburred both on the inside and outside prior to insertion2. 2570 90103293 DN40 38 10 1 63 1 99 11 2 x 16 1 670 mstraight Hard drawn 3100 2570 90103321 DN 50 50 80 1 63 1 27 2 x 16 2 204 mstraight Hard drawn 2310 1910 90103348 DN65 63 50 1 63 1 37 21 2 x 16 2 832 mstraight Hard drawn 1840 1520 90103360 DN80 76 20 2 03 e 9 x14 4 229 mstraight Hard drawn 1900 1580 ii DN90 88 90 2 03 1 459 31 2 x 14 4 793 mstraight Hard drawn 1630 1350 90103372 DN 100 101 60 2 03 1 83 A x 14 9 677 mstraight Hard drawn 1500 1250 90103380 DN 125 127 00 2 03 1 83 9 X14 7 125 mstraight Hard drawn 1200 990 90103385 DN 150 152 40 2 64 2 38 6 x 12 11 104 mstraight Hard drawn 1300 1080 90103394 DN 200 203 20 2 64 2 24 o X 12 14 871 mstraight Hard drawn 710 760 Denotes tube made to order where minimum order quantities required Viega PropressG fittings are NOT available for sizes below DN15 or sizes above DN100 E Annealed Bendable Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 Table 2 3 2 Type B Copper Tube Crane Nomina Outside Wall Min Wall Safe Working 2e Working Item pd Diameter Thickness Thickness Pressure Weight Size A kPa a Number mm mm mm kg m kPa A lt 50 C 350 amp lt 75 C 0 60 t a x 22 0 112 6m straight Hard drawn 8960 7100 Imperial Nominal Equivalent O D and swg Form Temper 90102981 DN8 7 94 0 71 0 60 5 16 x 22 0 144 6m PUE ee a Se Hard drawn 6700 5960 90103014 DN 10 Sume onic 33
3. 3 110 185 130 DN100 4 139 219 199 7 AOS LSS 4 A z Table 4 2 5 Minimum Clearance Requirements for the Pressing Process in Front and or Behind Structural Components Minimum Clearance Tube Size DN ae a min mm O D g Picco Tool PT3 AH Tool DN15 DN25 Uae a a DN32 DN100 LU A 7 2 4 2 6 Minimum Clearance Between Two Propress Connections To ensure proper sealing of the press connections the minimum spacing between Propress connections must be maintained as per Table 4 2 6 Note For installations where the minimum distance is Q it is particularly important to ensure the correct insertion depth of the tubing into each fitting Table 4 2 6 Tube Size Minimum Clearance DN 0 D o a mm DN15 v2 0 DN20 0 DN25 17 0 DN32 1 10 DN40 1 12 lo DN50 2 20 DN65 2 1 2 19 DN80 3 15 DN100 4 lO Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 1 0 4 2 7 Minimum Clearance Between a Propress Fitting and an Existing Brazed Fitting To ensure proper sealing of both the brazed and Propress fitting the minimum distance must be maintained between the two fittings as per Table 4 2 7 Table 4 2 7 Tube Size DN Minimum Clearance 0 D g a mm DN15 v2 6 DN20 34 6 DN25 1 10 DN32 1 1 4 10 DN40 1 12
4. 7 Crane Copper Tube Propresse Installation amp Training Guide Propress G Gas Installation amp Training Guide February 2008 Index Section Page KO MOV OCC eppoi pe E dog ees eni 2 20 Product DESChIOIION s xa acie acide Rd epee acis 3 3 0 Pressing Process Overview 8 4 0 Installation Requirements 9 9 0 Installation Procedure S 1 0 Introduction 1 1 The Viega Propress G System For many years copper tubing has been used for gas piping systems because of its excellent performance Copper tubing is widely used for liquefied petroleum LP and natural gas NG piping systems Australian Standard AS5601 Gas installations permits copper tube to AS1432 Type A and B to be used for pressure applications up to 200kPa Brazing not soldering flanges and compression joints have been the traditional methods for joining copper tubing With the Australian approval of copper Propress G fittings for gas piping systems another viable joining method is available for copper tubing Propress G fittings will allow for a faster lower cost Joining method for gas piping Viega the company that developed the Propress G system has over 10 years of experience using press connect fittings In gas piping systems The Viega fittings have been approved in Europe for many years for gas piping system The lower cost installation has resulted in extensive use of copper gas piping systems using press connect fitting
5. ACTUATOR fitted into the tool open the V2 the marked depth Do not use oil or lubricants ACTUATOR as shown Propress XL fitting connections must be performed Place V2 ACTUATOR onto XL Ring and start the pressing with Propress XL Rings and V2 ACTUATOR See Viega process Hold the trigger until the Actuator has engaged Operators Manual for correct tool instructions the XL Ring Keep hands and foreign objects away from XL Ring and V2 ACTUATOR during pressing operation to prevent Injury or incomplete pressing On completion of pressing release V2 ACTUATOR from XL Ring and then remove the XL Ring from the fitting Remove sticker from fitting to Indicate joint pressing has been completed Open XL Ring and place at right angles on the fitting XL Ring must be engaged on the fitting bead Check insertion depth Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 1 6 PFO pi resse gt Ultra fast installation Permanent strong leak free joints No brazing soldering or gluing required Improves safety and efficiency gt No need to drag gas bottles and hoses around the site Approved for gas line installations Australia wide gt Cost effective for both low and high pressure installations Can be used on type A and B copper tube Proven track record with over 1 billion fittings in use worldwide German precision engineered and manufactured fittings Guara
6. into the press fitting Note When using Crane copper tube incise marks present in the joint area will not affect the integrity of the seal Incise marks in other tube products MUST NOT be present in the joint cut area Ensure the tube is defect free and that no foreign debris is present at the joint cut location Ensure the tube is round and not distorted after the cut has been made 4 9 Threaded Adaptor The Propress G System can be connected with threaded fittings When installing threaded connections the threaded connection is to be completed first and then the press connection to avoid unnecessary torsional Stress 4 6 Appliance Connections Appliance connections are created by the installer using standard Propress G fittings The assembly is attached to a stud using standard tubing hangers for structural support This provides a fixed point to attach a shut off valve and or flexible appliance connector 4 Pressure lesting The pressure testing of installed tubing is to be completed in accordance with AS5601 4 8 Tubing Exposed To Freezing lemperatures In gas systems Propress G can be installed in ambient temperatures down to 40 C 4 9 Propress G Installation Caution Tag All Propress G installations are to be tagged at the gas meter with the approved label to indicate that the system has been installed with non conventional fittings Crane Copper Tube Propress G Gas Installation amp T
7. listing of available fittings refer to the product data sheets supplied separately Viega Picco Tool Viega PT3 AH Pressing Tool Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 3 0 Pressing Process Overview 3 1 The Smart Connect SC Feature Propress G fittings incorporate the unique Viega Smart Connect feature The fittings are designed with a special indentation in the inside surface of the fitting across the sealing element The purpose of this indentation Is to provide a positive leakage point during testing allowing alr past the sealing element of an unpressed connection The indentation is closed during the pressing process creating a leak free permanent connection This feature provides quick and easy Identification of connections which have not been pressed prior to putting the system into operation Unpressed connections are located by pressurizing the tubing system with a pressure range of 2 2 690kPa The SC feature test can be conducted at the same time as the final pressure test as specified in AS5601 which is well within this range Figure 3 1 1 SC Feature of a Propress G fitting 3 2 Removable lag Viega Propress XL fittings DN65 DN80 and DN100 are also fitted with removable tags These tags are to be removed after a fitting is pressed to indicate that the Joint is completed Figure 3 2 1 Crane Copper Tube Propress G Gas Installation am
8. 15 DN50 2 20 DN65 2 2 15 DN80 3 15 DN100 4 15 Note It is particularly important that there is no residual solder or other foreign debris on the tubing to be inserted into the Propress fitting i Existing brazed fitting 4 2 8 Minimum Clearance Between a New Brazed Fitting and an Existing Propress Fitting Note Brazing near existing Propress fittings is not recommended and should be avoided To ensure proper sealing of both the brazed and press connections a minimum spacing between connections must be maintained It is important to ensure that the tube inside the Propress fitting as well as the fitting Itself are not subject to excessive heat when brazing It is recommended that brazing does not occur closer than a distance of 25 tube diameters from an existing press fitting If this is not possible then the installer must take proper precautions to keep the Propress connection cool while brazing i e wrap the connection in a cold wet rag fabricate brazed connection prior to installation applying spray type spot freezing product Table 4 2 8 shows the minimum clearance between a new brazed fitting and an existing Propress fitting Table 4 2 8 Tube Size Minimum Clearance DN 0 D g a mm DN15 v2 318 DN20 477 DN25 1 639 DN32 1 807 DN40 1 12 968 DN50 2 1291 DN65 2 2 10229 DN80 3 2000 DN100 4 2500
9. B is used for interior distribution systems and lype A for any underground lines The dimensions of copper tube used for gas installations are shown in Table 2 3 1 and 2 3 2 The Gas installations Australian Standard AS5601 permits the use of AS 1432 Type A or Type B copper pipe for pressures up to 200 kPa in above and below ground applications Where higher pressures apply approval must be obtained from the Technical Regulator Copper piping Is not permitted beneath a building at gas Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 pressures exceeding kPa unless plastic coated or covered with a proprietary wrapping acceptable to the Technical Regulator Under normal Australian conditions Propress G and copper tubing can also be installed outside without any additional corrosion protection However where potential aggressive environments exist precautions should be taken to protect the entire length of piping In residential applications copper tubing with Propress G fittings can be used to run gas from the meter or source to furnaces boilers gas ranges water heaters gas fireplaces outdoor barbecues and decorative lighting Propress G fittings are allowed to be installed underground but it is always good practice to avoid this whenever possible Copper tubing is available in long lengths and coils reducing the number of fittings required Copper piping should not be placed in di
10. asi 08 x30 Ge Tee col Ancede 7220 St x 20 0 220 6m straight Hard drawn 7220 5980 SOMOS DIS PLC Wo AG 0 301 m straight Bendable 0270 4390 VENDO 0 426 6m straight Bendable 4810 3990 UIS ay NTS bonds 1507 0 88 SUNOS oom NEON 05 OZ 0 88 3 4 x 19 0 517 m straight Bendable SI 3290 90103225 DN25 29 40 le 04 1 x 18 0 829 6m straight Hard drawn 3500 2900 90103268 DN32 31 75 1 22 1 04 11 4 x 18 1 046 6m straight Hard drawn 2780 2300 DN40 3810 122 104 1x18 1264 18m coil Annealed 2300 1910 00103291 DN 40 38 10 1 22 1 04 11 2 x 18 1 264 6m straight Hard drawn 2300 1910 90103319 DN 50 50 80 1 22 1 04 2 x 18 1 699 m straight Hard drawn 1710 1420 3010233399 DN 69 63 00 1 22 1 04 21 7 3 18 2 134 6m straight Hard drawn 1370 1120 90103358 DN80Q 76 20 1 69 1 97 3 x16 3 414 6m straight Hard drawn 1520 1260 90103367 DN 90 88 90 1 63 1 237 31 2 x T6 3 995 6m straight Hard drawn 1300 1080 90103369 DN 100 101 60 1 63 1 47 4 x 16 4 577 6m straight Hard drawn 1200 1000 90103379 DN 125 127 00 1 63 1 47 9 X16 9 739 6m straight Hard drawn 960 800 90103383 DN 150 152 40 2 03 1 93 6 x 14 8 5 2 m straight Hard drawn 1000 830 90103393 DN 200 203 20 2 03 tag 8 x 14 11 470 6m straight Hard drawn 720 600 Denotes tube made to order where minimum order quantities required Viega PropressG fittings are NOT available for sizes below DN15 or sizes above DN100 E Annealed Bendable Crane Copper Tub
11. completing the pressing procedure open the jaws push the holding pin until it locks into place and withdraw the pressing tool Open the jaws and place them onto the fitting so that the jaws are at right angles to the fitting Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 1 4 9 2 Installation Procedure for Propress XL Fittings 60 50 mm DN 65 DN 80 DN 100 TRI e Cut copper tubing at right angles using displacement Mark the insertion depth type cutter or fine toothed steel saw Keep end of tubing a minimum of 100 mm away from Use only Propress G fittings with YELLOW markings the contact area of the vice to prevent possible damage Check seal and grip ring for correct fit The sealing to the tubing in the press area elements are already pre lubricated so do not apply oil or lubricants use clean water only if necessary s SAR 9 TZ AS A gi f 4 y Ni ma utm e itte eut vt SEM a e hal De me jm gui Zip TIS MTT HES ee erie b N v d Deburr the inside and outside of tubing to prevent Illustration demonstrates proper fit of grip ring and damage to the sealing element sealing element Use only Propress G YELLOW sealing elements Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 1 5 While turning slightly slide press fitting onto tubing to With V2
12. e Propress G Gas Installation amp Training Guide February 2008 2 4 Pressing Tools The Viega Picco tool is a lightweight yet powerful battery powered electro hydraulic tool for press fit joining of Propress installations using DN15 to DN25 fittings The jaws are not interchangeable with the PT3 B4 models The Viega PT3 AH and B4 pressing tools will press DN15 to DN100 Propress G fittings and DN15 to DN100 Propress Water fittings The jaws are not interchangeable with the Picco tool Automatic forced compression electronic monitoring of bolt safety and temperature plus battery charge level and service interval display all make working with the Viega Propress tool easy quick and so dependable The Viega Propress tools also provide easy access to hard to reach joints as the head can be rotated up to 207 The Viega pressing tools are manufactured in Switzerland by Von Arx AG which also manufactures pressing tools sold under the RIDGID brand name 2 9 Safety The Viega pressing tools are power tools that need to be used in accordance with these instructions and all of the recommendations which accompany the tool Under no circumstances should the pressing tools be used for anything other than their intended use 2 6 Fittings Packaging Propress G fittings are supplied in a colour coded bag yellow to indicate that they are intended for gas use and are labeled to indicate fitting type and size For a detailed
13. el oil systems Definition HNBR Hydrogenated Nitrile Butadiene Rubber The seal is yellow in colour with an operating temperature of 40 C to 70 C HNBR is widely known for its physical strength and retention of properties after long term exposure to heat oil and chemicals The unique properties attributed to HNBR have resulted in wide adoption of HNBR In automotive industrial and assorted performance demanding applications e g engine seals grommets and gaskets fuel system seals and hoses transmission system bonded piston seals oil field packers and rotary shaft seals With its excellent performance for the most demanding of applications HNBR is the ideal choice for applications needing excellent physical properties as well as oil heat and or chemical resistance 3 The HNBR sealing element is not suitable for food contact applications and cannot be installed in drinking water applications 2 3 Copper Tube Crane copper tube has been tested and approved for use with the Viega Propress G system When installed to specifications on Crane copper tube Propress G fittings are guaranteed for 25 years against leaks faulty materials and manufacture Refer to Tables 2 3 1 and 2 dal Propress G gas installations can be made with corrosion resistant copper tube complying with the requirements of AS1432 Type A and Type B Type A and B copper tube AS1432 have been used in gas systems for many years Usually Type
14. entified as NFPA 54 e The ICC International Gas Code e he IAPMO Uniform Plumbing Code All three of these Codes regulate both natural gas and LP gas piping systems internationally In the US Viega Propress G fittings have been listed for use in gas piping systems by CSA 1 3 Propress G Advantages The advantages of installing copper gas lines using Propress G fittings include e Ultra fast assembly and pressing of joints e Improved on site safety and ease of use with no brazing soldering or gluing required and no need to drag gas bottles and hoses around the site e Single action pressing produces a reliable permanent Joint in seconds and reduces the risk of leaking Joints and the need for remedial work e No special certification is required for installers installer must be an approved gasfitter and gain Crane Copper Tube accreditation e Approved for use throughout Australia and also complies with international codes e Convenient easy to use portable battery powered pressing tool reduces on site equipment and allows easy access even in tight or hard to reach locations 2 e Cost effective for both low and high pressure gas line systems Excellent for retro fit and remodelling gas line installations Can be connected to existing copper lines e Can be used on AS1432 Type A and B copper tube from DN15 to DN100 e Crane copper tube and a comprehensive range of fittings is readily available throughout Aust
15. nteed for 25 years with a design life of over 50 years gt Superior pressure and temperature ratings Can be used behind or in walls direct sunlight and underground Able to connect to existing copper lines gt Cylindrical tube guide to protect sealing element during assembly gt Smart Connect leak detection feature to identify un pressed fittings gt Obvious pressing marks make it easy to see un pressed fittings One piece fittings ready for installation Full flow joints fittings maintain bore Comprehensive range of fittings for both gas and water One pressing tool can be used for both gas and water Ease of use yet tool is not cost effective for non professionals Information contained in this brochure is provided as a guide only Crane Copper Tube does not warrant that the information is accurate or without errors or omissions Crane Copper Tube reserves the right to correct any errors or misprints All information and product details contained within this document are provided as a guide only Product use shall be conducted by a fully licensed plumber gas fitter Crane Copper Tube ABN 51 008 408 151 A Division of Crane Enfield Metals Pty Limited PO Bo e Reni SESS Phone 2220722190 50 E og PO sales dcranecopper com au A Crane Copper Tube www cranecopper com au CRN8911 BMS0208
16. p Training Guide February 2008 3 3 he Connection Process The pressing process produces a permanent joint between the press fitting and the tubing in a matter of seconds For Propress G fittings DN15 to DN50 this is achieved by creating a hexagonal indentation in front of and behind the HNBR sealing element on the press fitting At the same time the pressing process reshapes the fitting to encapsulate the sealing element his positive non positive joint ensures a permanent leak proof connection Figure 3 3 1 Before Ame aA r i 2 A A After In the case of Propress XL fittings DN65 DN80 and DN100 the pressing process reshapes the fitting in the area of the sealing element and grip ring ensuring continuous contact between the fitting grip ring teeth and tubing and between the fitting sealing element and tubing Figure 3 3 2 INIZIA 4 S qe p j T a 4 0 Installation Requirements 4 1 License and Training All Propress G installations must be carried out by a licensed gas fitter with appropriate Propress G training and accreditation For information on Propress training contact Crane Copper Tube 4 2 Minimum Clearance Requirements for the Pressing Process The minimum clearance required between two tubes and between the tubing and any permanent structure must be taken into consideration The minimum allowable values are s
17. pecified in Tables 4 2 1 to 4 2 5 Table 4 2 1 Minimum Clearance from a Surface and Adjacent Tubing for Pressing DN15 to DN50 Picco Tool PT3 AH Tool Tube Size DN 0 D a a ee i Minimum Clearance mm DN15 15 25 60 2 64 DN20 25 65 26 64 DN25 1 25 65 27 76 DN32 1 32 80 DNAO 1 2 48 Ja DN50 2 54 127 Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 Table 4 2 2 Minimum Clearance from a Surface and Adjacent Tubing for Pressing XL Fittings Tube Size a D DN 0 D g Minimum Clearance mm DN65 2 V2 110 185 DN80 3 120 200 DN100 4 Pore 215 Vy Do 8 N ZK J C 8 a gt Table 4 2 3 Minimum Clearance from Internal Corner Surfaces and Adjacent Tubing for Pressing DN15 to DN50 Picco Tool PT3 AH Tool Tube Size DN 0 D g Minimum Clearance mm DN15 15 30 40 70 a s 64 DN20 30 40 75 26 38 64 DN25 1 30 40 80 27 45 76 DN32 1 32 DI 80 DNAO 1 12 48 64 95 DN50 2 54 80 127 Table 4 2 4 Minimum Clearance from Internal Corner Surfaces and Adjacent Tubing for Pressing XL Fittings Tube Size a D C DN 0 D g Minimum Clearance mm DN65 2 V2 110 159 130 DN80
18. raining Guide February 2008 1 2 5 0 Installation Procedure Installation shall be made in accordance with Australian Standard AS5601 and these installation instructions All copper tube must comply with Australian Standard AS1432 Copper tubes for plumbing gas fitting and drainage applications and be of Type A or B tube The fittings are for use with gas in vapour state The fitting tubing system shall not be used as a means of support and any undue stress or strain on the fittings Is to be avoided 9 1 Installation Procedure for Propress Fittings DN15 to DN50 te gl Ry DE ES Cut the copper tube at right angles using a tube cutter or fine toothed steel saw JH Deburr the end of the copper tube on both the inside and outside Check the sealing element is correctly seated within the fitting The sealing elements are already pre lubricated so do not apply oil or Lubricants Use only the original Propress Yellow HNBR seals While turning slightly slide the press fitting onto the tube until it stops Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 1 3 Mark the insertion depth Check the insertion depth Start the pressing procedure by holding the trigger until the ram has completed the cycle Check the indication LEDs on the tool to ensure the pressing has been successful Insert the correct size jaws into the pressing tool and After
19. ralia e Technical field support provided by Crane Copper Tube representatives e Propress G fittings do not reduce the bore size and the fittings provide bend radii that are larger than traditional capillary fittings Flow calculations can be made as per capillary fittings e Can be used behind or in walls direct sunlight and underground e Cylindrical tube guides to protect sealing element during assembly e Smart Connect leak detection feature makes un pressed fittings easy to find Obvious pressing marks also make it easy to identify un pressed fittings e When used with Crane copper tube Viega Propress G fittings are guaranteed for 25 years and have a design life of over 50 years e One pressing tool can be used for both gas and water installations 1 4 Applications Propress G is widely used for gas applications due to its excellent resistance to corrosion and its ease of handling and installation Copper has provided reliable service for several decades and offers effective solutions to today s technological challenges The Propress G fittings are provided with a HNBR sealing element which can accommodate temperatures of 40 C to 70 C and maximum operating pressure of 862kPa making them suitable for many applications Applications for Propress G include the following e Natural Gas e LP Gas e Mixed Gases e Fuel Oil for heating applications Note Consult the Crane Copper Tube Technical Suppo
20. rect contact with metal roofs due to the potential for corrosion of the roof material In such cases the copper should be raised off the roof with suitable clips Also in the event that piping may be exposed to large fluctuations in temperature at the design stage provision must be made to accommodate the anticipated expansion and contraction forces that will be imposed on the system Crane Copper Tube Specifications Table 2 3 1 Type A Copper Tube o Safe Workin Crane SEE Outside Wall Min Wall Imperial Nominal Working eee 9 Item Diameter Thickness Thickness Equivalent Weight Form Temper Pressure Size kPa 3550 Number mm mm mm 0 D and swg kg m kPa A o G S I D A lt 50 C 90102976 DN 6 0 77 1 4 x 20 0 139 mstraight Hard drawn 11320 9380 90102986 DN8 0 77 5 16 x 20 0 180 mstraight Hard drawn 8810 7300 DN 10 Ta 0 88 3 8 x 19 0 244 mstraight Hard drawn 8350 6920 SUSU DIN Wee i270 107 0 88 Wer ale 0 995 mstraight Bendable 6100 5060 50103139 DN 18 15 88 122 1 04 5 8 x 18 0 502 mstraight Hard drawn 0790 4770 SUOI DINZIU 5005 A 1 21 3 4 x 17 0 703 mstraight Bendable 9960 4610 90103178 DN 20 1705 a2 1 21 3 4 x 17 0 703 mstraight Hard drawn 9060 4610 90103231 DN25 25 40 1 63 239 x 16 1 088 mstraight Hard drawn 4750 3940 90103271 DN 32 31 5 1 63 1 39 11 4 x 16 1379 mstraight Hard drawn 3750 3110 DN40 3810 163 139 ta x16 1670 18mcol Annealed 3100
21. rt Department before installing the system in other applications or applications where temperatures and or pressures are outside the stated ratings Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 2 0 Product Description 2 1 Propress G Fittings Propress G DN15 to DN100 fittings are manufactured in Copper and Bronze which offers outstanding ductility durability and corrosion resistance In addition to these outstanding material properties the Propress G fittings also offer the following features e Unique SC Smart Connect leak detection system which greatly improves line testing procedures e Press fitting geometry designed to ensure reliable connections e Integral stop for defined insertion depth e Factory fitted high performance HNBR sealing element The pressing process reshapes the fitting in the area of the sealing element ensuring continuous contact between the fitting tubing and the sealing element Propress G fittings are suitable for a wide variety of residential and commercial gas piping Installations For a detailed listing of available fittings refer to the product data sheets supplied separately 2 2 HNBR Sealing Element Propress G press fittings are manufactured with a high quality HNBR sealing element installed at the factory This sealing element is used mainly for applications of natural propane mixed and manufactured gases and can be used in fu
22. s Viega Propress G fittings used for gas installations are similar to the Propress fittings used in water piping systems There are two main differences between Propress G gas fittings and Propress water fittings The sealing element for the Propress G fittings is yellow and is made of Hydrogenated Nitrile Butadiene Rubber HNBR Test results have shown that this sealing element can maintain a gas tight seal at temperatures up to 427 C Crane Copper Tube Propress G Gas Installation amp Training Guide February 2008 The Propress G fittings also incorporate the Viega patented SC Smart Connect feature This feature will allow air to leak through the fitting during testing if the fitting has not been pressed When the fitting Is pressed the SC feature is closed forming a permanent leak proof connection Viega Propress G fittings also have a yellow dot and the word GAS printed on the outside of the fitting to visually indicate that the fittings are intended for gas systems Fittings not having the yellow marking must never be used for gas piping systems 1 2 Approvals and Certifications Viega Propress G has been included in the Australian Standard AS5601 Gas Installations as fittings for gas pipe Viega Propress G is approved by three major International codes and standards regulating gas piping systems These do not apply to Australian installations but are as follows e The National Gas Code also id
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