SP SERIES
High pressure screw to connect couplings
Holmbury’s SP Series screw connect couplings are designed for heavy duty applications involving very high pressures and severe pressure pulses.
FEATURES
- Screw to connect design eliminates brinelling
- Can be connected with up to 50 bar (735 psi) residual pressure in the hydraulic circuit
- Bidirectional flow
CONSTRUCTION
- Carbon steel with trivalent plating
- Fitted with Nitrile seals
- Also available in AISI 316 (SPS Series) stainless steel
ACCESSORIES
Dust caps, plugs and seal kits are available for the SP Series
APPLICATIONS
- Hydraulic jacks
- Hydraulic hammers
- Construction plant
- Mobile equipment,
- Demolition
- Agricultural industries
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.
00
00
00
1060
2230F
NITRILE
VITON®
VITON®
-200C
-40F
1200C
2480F
2480F
EPDM
KALREZ®
-250C
-130F
-130F
2000C
3920F
3920F
VITON®
NITRILE
NITRILE
-400C
-400F
-400F
3000C
5720F
KALREZ®
EPDM
EPDM
-500C
-580F
-580F
| 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) |