Home

USER MANUAL

1. Hose piece Mini tri clamp Welding liner EN SE al il i Tank welding type T process connection ETE IS Silicone 880001 880006 880007 EPDM 880001E 880006E 880007E PIFE 885501 885501 885507 A B C D A B C D A B C D Key measurements E E E E E E E E E E E E g E E E E Please refer to bottom page 11 x E 09 o Lo a ko I a Pipe welding type P process connection Silicone 880011 880010 800017 EPDM 880011E 880010E 880017E PTFE 885511 885510 885517 A B C D A B C D A B C D Key measurements E E Please refer to bottom page 11 z E E E E E E Ir 8 9 g amp n glo Sj FA vw Clamp connection 1 process connection Silicone 880021 EPDM 880021E PTFE 885521 A B C D A B C D A B C D E E E E Key measurements E 8 E E gs 8 amp 8 EB 8 Please refer to bottom page 11 NF E LO E SE NC E 4 O 00 N m o 00 N o O 00 LO LO Y LO e Clamp connection 2 process connection Silicone 880003 880005 On request EPDM 880003E 880005E On request PTFE 885503 885505 On request A B C D A B C D A B C D Key measurements E E E E E E E E E E E E E E E E Please refer to bottom page 11 x x la Lo x I x 3 KEOFITT USER MANUAL PAGE 10 Varivent
2. connection 50 process connection Hose piece Mini tri clamp Welding liner Silicone 880008 EPDM 880008E PTFE 885508 A B C D Key measurements z Please refer to bottom page 11 t o E IO as Varivent amp connection 068 process connection Silicone 880009 EPDM 880009E PTFE 885509 A B C D Key measurements Please refer to bottom page 11 y 00 be vi Ingold connection Silicone EPDM PTFE 885532 885537 A B C D A B C D Key measurements E E E E E E PI AN 11 E E N E 5 E Please refer to bottom page 11 iO ks i 3 a i E LO a LO Y N KEOFITT USER MANUAL PAGE 11 PARTS AND ACCESSORIES FOR KEOFITT REFLEX Item Material Ident no Remark Membrane EPDM black EPDM 880052 Membrane silicone grey Silicone 880051 Membrane teflon Teflon 880055 Rubber cap with knob 600062 Adjustable pressure relief valve 0 3 Bar g ann Quick coupling steel pipe 800070 Quick coupling for PTFE 800071 Ouick coupling with 3 8 800082 Hose Barb Sampling coil with st st 800058 cap Quick coupling with M4 800086 hose piece O ring Silicone 600825 O ring Silicone 880830 KEOFITT USER MANUAL PAGE 12 MOUNTING INSTRUCTIONS Location The
3. the body Omitting to do so may result in twisting and cutting of the membrane 1 Set the valve head at the open position 2 Remove the valve head pos 1 This is carried out by loosening the clamp and then pulling the valve head off 3 Refit the valve head in the open position once the necessary parts have been replaced KEOFITT USER MANUAL PAGE 14 SILICONE MEMBRANE ITEM NO 880051 TECHNICAL SPECIFICATION e Type Silicone e Colour Grey e Resistance to chemicals acids bases Suitable e Food safe Yes FDA e Temp max 130 250 C 266 482 F e Steam pressure max 2 bar 29 psi e Process pressure 1 6 bar 14 87 psi Keofitt recommends to change the silicone membrane 4 6 times a year or as needed The recommendation is based on 1 5 samples a day but should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 177 1550 35 MM KEOFITT USER MANUAL PAGE 15 EPDM MEMBRANE ITEM NO 880052 TECHNICAL SPECIFICATION e Type EPDM e Colour Black e Resistance to chemicals acids bases Very good e Food safe Yes FDA e Temp max 130 150 C 266 302 F e Steam pressure max 2 bar 29 psi e Process pressure 1 6 bar 14 87 psi Keofitt recommends to change the EPDM membrane 4 6 times a year or as needed The recommendation is based on 1 5 sam ples a day but should reflect individual tear and wear fr
4. valve should always be located with its centre line in a horizontal or lower position The valve will then be selfdraining Valves centre line Before welding Remember to disassemble the valve body and head The valve body and head must be separated during welding Rubber plugs chain and membrane must be removed from the valve body as otherwise heat from the welding process will damage them WELDING INSTRUCTIONS Valves for welding are available in two types T tank and P pipe 1 For type T tank it is necessary to drill a hole 828 mm into the tank wall and then fit the valve into this hole flush with the inside of the tank Welding should be carried out as a penetration welding Material thickness less than 4 mm Weld from inside Material thickness greater than 4 mm Weld from both outside and inside Since type T has a solid end piece the valve will not be damaged by penetration welding However the use of purge gas in the form of either Argon or Formier gas is recommended in order to give the best result 2 For type P pipe penetration welding must be carried out from outside The valve is machined with a recess like shoulder on the outside of the end piece which gives approximately the same material thickness 1 5mm material thickness as in the pipe wall CD rorum e When grinding polishing the internal weld the valve seat must not be touched The welding result will be best if the following method is used A col
5. which meets both hygienic and process design requirements This means that an effective cleaning and sterilisation of the sampling valve can be carried out between random samples independently of the course of the production process without compromising the same The valve is 3 A and EHEDG Type El authorised 3 A Sanitary Standard is an American standard which is normative for a com ponent s ease of cleaning and sterilisation The standard ensures optimum conditions for food products which may come into contact with the component in question The EHEDG Type El certification is a European standard and it includes additional tests of bacterial increase on components that are in direct contact with the sample after the CIP process The valve is used in a wide range of processing industries such as breweries dairies and the pharmaceutical and biotechno logical industries VALVE FUNCTION The valve is designed to regularly take representative random samples in the production process The valve is therefore de signed such that effective cleaning sterilisation and sampling can be carried out regularly without interrupting the production process Sterilisation is carried out by supplying steam through the steam inlet of the valve It is the perfect hygienic design and surface finish of the inner part of the valve which enables absolute sterilisation in a closed state According to an EHEDG based test car ried out by the Biotechnological Institute in D
6. KEOFITT WORLD LEADERS IN STERILE SAMPLING KEOFITT REFLEX SAMPLING VALVE User MANUA AIL E sm m y gt ay El WA SOME PEOPLE WOULDN T GAMBLE WITH THEIR SAMPLE INTRODUCTION MANUFACTURER TYPE PATENTS YEAR OF INTRODUCTION YEAR OF REVISED DESIGN Keofitt A S Lumbyvej 11H 5000 Odense C Denmark KEOFITT REFLEX SAMPLING VALVE EP1690038 2007 CONTENTS Presentation NA ca 7 Vale nei 7 Everyday use or th valve iii NN 8 suo RE re 8 vci c 8 Technical Data ro 9 Keontt Rellex Pneumatic icc G 10 Parts and accessories for Keofitt Reflex M LYW 12 Nome NNN 13 LOC deg PP o A MN 13 BLS Wy 1 5 AAA O A 13 Welding instructions t AREA RA RAR AR RR RAR RR 13 MAIR en anc i ini AAA Ow Dr NM a 14 2 14 Disassembly and assembly of valve body and NEA ccccccscssseeeeccecssssereeeccccssseeseccccasseetececcacsseeesecccessseeseesocssseeseess 14 IGA NS sirdir nanena a AE A EE RAEE AE E A a ATT AAEN 15 PRESENTATION The Keofitt Reflex sampling valve is a unique 2 in 1 valve which can be readily sterilised and
7. USER MANUAL PAGE 8 TECHNICAL DATA Material Valve body AISI 316L 1 4404 Valve head AISI 316L 1 4404 Membrane Silicone grey EPDM black PTFE white Certificate Valve body 3 1 GERTIEIED Membrane silicone acc to FDA amp BGA kd ho Membrane EPDM acc to FDA amp BGA chee Membrane PTFE acc to FDA amp BGA py A 6 digit code is marked on the valve body This code refers to a 3 1 certificate which accompanies every consignment of valve bodies certificates are available on www keofitt dk Pressure max Working pressure 6 bar g 87 psi g Rubber plug 3 bar g 44 psi g Steel plug 10 bar g 145 psi g Temperature max sterilisation temp 121 C 249 80 F It is important that the steam is saturated but dry as condensation can damage the membrane Dry steam at max 2 bar g Surface finish Internal Ra 0 5 um 20 pinch External Electropolished Every valve is Ra measured A serial number identifies each valve body A surface finish certificate copy is available Viscosity Viscosity range 0 1000cP with particles up to 3mm in diameter Water at 20 C 68 F vo MM M 1000 Ap p bar O N A O o 0 1000 2000 3000 O l h Valve capacity m3 h Valve capacity USgal min Flow through valve seat m3 h Viscosity of fluid kg m3 Presure drop across valve bar d S lt lt KEOFITT USER MANUAL PAGE 9 KEOFITT REFLEX PNEUMATIC VALVES
8. ation in the steam and at the same time can be used with a majority of CIP fluids e The PTFE membrane resists most CIP fluids and very high steam temperatures KEOFITT USER MANUAL PAGE 7 EVERYDAY USE OF THE VALVE Sterilisation Sterilisation takes place with valve in steam mode 1 Open the steam supply and let it flow through the valve for sterilisation 1 min at 121 C 2 bar g 2 Close the steam supply Onenna e During sterilisation with steam the valve will become hot and care should thus be taken when handling the valve e The valve is designed for use in working conditions of up to 6 bar g and temperatures of up to 121 C Always remember to use safety goggles when taking samples because of the risk to the eyes e Use saturated steam without condensation at max 2 bar g At higher pressures the membrane can be damaged split In most cases the coaxial design ensures absolute cleanliness without the use of CIP or similar If CIP is used please refer to enclosed data sheet If in doubt contact Keofitt ODimporranm e To reach 121 C a pressure of 2 bar g is needed This can only be reached by use of a pressure release valve or other counter pressure device mounted on the outlet connection Sampling 1 Open the valve and take the sample 2 Shut the valve after the sample has been taken 3 Clean the valve with steam and or hot water cf sterilisation points 1 4 Sterilisation Sampling KEOFITT
9. enmark the valve is sterilised after just 1 minute s supply of steam at a pressure of 2 bar g 121 C Following sterilisation the valve is opened and the liquid will run out of the lower hose piece Note The membrane functions both as a dynamic sample seal in the valve seat and as a hygienic static steam seal against the valve body Doe e The Keofitt Reflex valve controls both sample and steam supply Also it eliminates the risk and waste involved with product going into the steam connection of other designs CN During sterilisation with steam the valve will become hot and care should thus be taken when handling the valve e The valve is designed for use in working conditions of up to 6 bar g pressure and temperatures of up to 121 C It is therefore important to be aware that the rubber plug designed for max 3 bar g or the steel plug designed for max 10 bar g can be forced out at high speed if not fitted correctly e Always remember to use safety goggles when taking samples because of the risk to the eyes ODimeortan e The valve cannot be used for vacuum since the membrane will be sucked hard into the seat e he membranes are available in three different qualities silicone EPDM and PTFE e The silicone membrane has the advantage that it in general can stand higher temperatures but it cannot tolerate moisture condensation resulting from steam sterilisation e The EPDM membrane is better able to cope with condens
10. lar is made on the pipe section so that the valve has a flat contact face This flaring must look like a T piece as shown in the example below The pipe section and the valve s hose pieces are sealed with sponge rubber or similar e Purge gas such as Argon or Formier gas is fed through the valve body into the pipe section and the system is now filled with 6 times the estimated volume of the pipe section All O2 is thus expelled from the system and welding can commence e Welding can take place with the purge gas continually flowing in the system e The gas remains in the system until the item is lukewarm after which the set up can be dismantled KEOFITT USER MANUAL PAGE 13 MAINTENANCE The rubber membrane should be replaced every two months PTFE membranes should be replaced every 12 months In the event of intensive sterilisation and cleaning it may be necessary to replace it more frequently The rubber plug must be replaced at least once every six months In each individual case a standard operating procedure including maintance intervals should be endorsed based on experience For disassembly of valve body and valve head see instructions Spare parts Pos Item 1 O ring Membrane Silicone grey Membrane EPDM black Membrane PTFE White Disassembly and assembly of valve body and head ORDER OF OPERATION Remember When replacing the membrane set the valve head in the open position before disassembling from
11. om individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 177 1550 24 mm 35 mm KEOFITT USER MANUAL PAGE 16 PTFE MEMBRANE ITEM NO 880055 TECHNICAL SPECIFICATION e Type PTFE e Colour White e Resistance to chemicals acids bases Excellent e Food safe Yes FDA e Temp max 130 250 C 266 482 F e Steam pressure max 2 bar 29 psi e Process pressure 1 6 bar 14 87 psi Keofitt recommends to change the PTFE membrane once a year or as needed The recommendation is based on 1 5 samples a day but should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 8 177 1550 24 9 mm Is not attacked by common chemicals with the exception of strongly oxidising acids INSTRUCTIONS ON REPLACING PTFE MEMBRANE Open valve Remove the valve head from the valve body Push the membrane upwards until the tool for membrane fits under it Insert tool for membrane between the membrane and the bushing Close valve head Now the membrane is loosened from the valve head and can be replaced Oop WNP To attach new membrane to valve head 7 Set the valve head to closed position 8 Place the new membrane on valve head 9 Mount the membrane bushing with the new Teflon membrane by pressing the membrane with your hand until it clicks 10 Se
12. t the valve head in open position 11 Insert the valve head into the valve body 12 Close valve head CD ron e Once the membrane has been removed from the valve head the click system in the membrane might be damaged Therefore the membrane might be unsafe for further use and it is recommended not to use the membrane again e Donot use hammer or other tool that might scratch the surface of the membrane Tool for membrane item no 600255 KEOFITT USER MANUAL PAGE 17 Keofitt reserves the right to change technical data without notice For complete set of updated data sheets and manuals for Keofitt products please refer to our web page www keofitt dk KEOFITT WORLD LEADERS IN STERILE SAMPLING

USER MANUAL

Contents

Download Pdf Manuals

Related Search

Related Contents