PSP/PSB Series

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High pressure screw connect poppet & ball couplings made to the ISO 14540 Standard

Tools Applications

Holmbury’s PSP & PSB Series screw to connect couplings are designed primarily for high pressure applications. They can be connected under low residual system pressures. The couplings are available with ball or poppet style valves.
High Pressure TechHigh Pressure
Carbon Steel Trivalent Materials ISO 14540 PSP/PSB Couplings ISO Standard
Screw To Connect CouplingsPSB

Features

  • Screw connect design eliminates brinelling
  • PSP offers poppet style valve
  • PSB offers ball style valve
  • Can be connected with low residual pressure in the hydraulic circuit
  • Bidirectional flow

Accessories

  • Dust caps, plugs, plastic couplings and seal kits are available for the PSP & PSB Series

Construction

  • Carbon steel with trivalent plating
  • Fitted with Polyurethane & Nitrile seals

Applications

  • High pressure applications (Up to 720 bar (10440 psi) for PSB and 1000 bar (14500 psi) for PSP)
  • General industrial, construction plant, mobile equipment, demolition and agricultural industries
  • Hydraulic jacks
  • Torque wrenches

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°

106°C 223°F

Nitrile

120°C 248°F

EPDM

200°C 392°F

Viton®

300°C 572°F

Kalrez®

0°

-20°C -4°F

Viton®

-25°C -13°F

Kalrez®

-40°C -40°F

Nitrile

-50°C -58°F

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)