VVSS Series
Stainless steel high pressure heavy duty screw connect couplers
AKJia’s VVSS Series stainless steel screw connect couplersare designed for heavy duty applications involving very high pressures and severe pressure pulses. They incorporate all the benefits of the carbon steel VVS Series, while being
perfectly suited for corrosive fluids and environments.
Construction
- AISI 316 stainless steel
- Fitted with Viton seals (Other seals available on request)
- Also available in carbon steel (See VVS Series)
FEATURES
- Screw connect design eliminates brinelling
- Can be connected with up to 50 bar residual pressure in the hydraulic circuit
- Bidirectional flow
APPLICATIONS
- Hydraulic jacks
- Marine
- Oil and gas
Dimensions
CVV series complied with ISO 14541:2013 standard, the Dimensions and requirements for screw-to-connect quick-action couplings for general purpose
ISO 14541:2013Available Seals and Temperature Range
All carbon steel products have Nitrile Butadiene Rubber (NBR) seals fitted as standard. All stainless steel products have Fluoro-elastomer Rubber (Viton®) (FKM) seals fitted as standard. Special seal materials are available on request.
| Abbreviation | Trade Name | Chemical Name | Min. Temp | Max. Temp |
|---|---|---|---|---|
| NBR, XNBR | Chemigum®, Hycar8, Breon®, Butakon®, Butacril®, Buna-N®, Perbunan®, Paracril®, Krynac®, Europrene-N®, Nipol® | Nitrile Butadiene Rubber Carboxylated Nitrile Rubber |
-40ºC (-40ºF) | 106ºC (223ºF) |
| FKM(FPM) | Dai-el®, Fluorel®, Tecnoflon®, Viton® | Fluoro-elastomer Rubber | -20ºC (-4ºF) | 200ºC (392ºF) |
| EPR, EPDM | Buna-AP®, Dufral®, Epsyn®, Nordel®, Epcar8, Keltan®, Royalene®, Polysar-EPDM® | Ethylene Propylene Copolymer Ethylene Propylene Terpolymer |
-50ºC (-58ºF) | 120ºC (248ºF) |
| FVMQ | Silastic 1S®, FSE® | Fluorosilicone Rubber | -65ºC (-85ºF) | 170ºC (338ºF) |
| FFKM | Perlast®, Kalrez®, Chemraz®, Kaflon® | Perfluoroelastomer | -25ºC (-13ºF) | 300ºC (572ºF) |