VVS Series
High pressure heavy duty screw connect couplers
AKJia’s VVS Series screw connect couplers are designed for heavy duty applications involving very high pressures and severe pressure pulse conditions.
Construction
- Carbon steel with trivalent plating
- Fitted with Nitrile seals
- Also available in AISI 316 (VVSS Series) stainless steel
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
- Hydraulic hammers
- Construction plant, mobile equipment, demolition and agricultural industries
Dimensions
VVS Series Quick Coupling working at high pressure applications, and also have high pressure pulse conditions.
Available 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) |