SFF Series
The SFF Series flat face couplings are Industrial
Dry Break Couplings with excellent flow and
flow characteristics.
Dry Break Couplings with excellent flow and
flow characteristics.
![SFF Series](https://www.holmbury.com/app/uploads/2024/09/SFF-card.jpg)
Features
- Safety locking sleeve fitted as standard to prevent accidental disconnection
- Bidirectional flow
- Flush face design allows faces to be wiped clean to prevent ingress of dirt and contaminants
Construction
• Carbon steel with zinc nickel plating (1200 hours with no red rust in salt spray tests)• Fitted with NBR & PTFE seals• Also available in Chrome III finish
Applications
• Hydraulic hand tools• Mobile equipment• Industrial hydraulics
AVAILABLE SEALS AND TEMPERATURE RANGE
All carbon steel products have Nitrile Butadiene Rubber seals fitted as standard. All stainless steel products have Fluoro-elastomer Rubber (Viton®) seals fitted as standard. Special seal materials available on request.
0°
Nitrile
EPDM
Viton®
Kalrez®
0°
Viton®
Kalrez®
Nitrile
EPDM
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 | -40°C (-40°F) | 106°C (223°F) |
FKM (FPM) | Dai-el®, Fluorel®, Tecnoflon®, Viton® | Fluoro-elastomer Rubber | -20°C (-4°F) | 200°C (392°F) |
EPR EPDM | Buna-AP®, Dufral®, Epsyn®, Nordel®, Epcar8, Keltan®, Royalene®, Polysar-EPDM® | Ethylene Propylene Copolymer Ethylene Propylene Terpolymer | -50°C (-58°F) | 120°C (248°F) |
FVMQ | Silastic 1S®, FSE® | Fluorosilicone Rubber | -65°C (-85°F) | 170°C (338°F) |
FFKM | Perlast®, Kalrez®, Chemraz®, Kaflon® | Perfluoroelastomer | -25°C (-13°F) | 300°C (572°F) |