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Manufacturers of teflon lined valves
 

Products Teflon lined check valve

Section of Teflon lined check valve


Click here for fluid flow function


Note: The puppet design is copyrighted by RFL.



Test Pressure
Testing Standard API 598
Class 150 300
Hyd Shell 30 77
Seat 22 56
Design BS 1863
Face to Face BS 2080 / ANSI B16.10
Flange Drilling & Dimension BS 1560 PART1 / ANSI B 16.5
Inspection & Testing BS 6755 PART1 / API598


P.T.No Parts Ductile Iron Cast Steel
1 Body ASTM A395(DI) ASTM A216 Gr. WCB
2 Lining FEP / PFA  
3 Puppet with integral stem  
4 Nuts STEEL ASTM A 194 Gr. 2H
5 Studs H.T.STEEL ASTM A 193 Gr. B7


Dimensions
Face to Face -
L ANSI - B 16.10
Class 15 20 25 40 50 65 80 100 150 200 250 300
150 108 117 127 165 203 216 241 292 406 495 622 698
300 164 190 216 241 283 308 333 371 460 575 638 727

DESIGN FEATURES
1. Full Port
2. UNI - Directional Flow
3. Less Pressure Drop
4. Better Corrosion Resistance than steel & alloys
5. The liner is locked by grooves permitted the check valve to be used on high vaccum & pressure applications without line collapse and blow out.
6. These valves often out-perform expensive exotic alloy valves as they economically handle corrosive or High - Purity Flow Media
7. External Body is coated with corrosive resistant paint.
8. All Lined Portion are spark Tested to 10,000V.


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