PTS SERIES
Stainless steel high pressure heavy duty screw to connect couplings
PTS Series stainless steel screw connect couplings are specifically designed to deliver reliable performance in rigorous applications that involve high-pressure levels and intense pressure spikes. Building on the strengths of the carbon steel PTC Series, these couplings provide superior resistance to corrosive fluids and harsh environments. Their construction ensures long-lasting durability and dependable operation in extreme conditions, making them well-suited for industrial uses where consistent and efficient fluid handling is essential.


- Can be connected with 50 bar residual pressure in the hydraulic circuit
- Bidirectional flow
- AISI 316 stainless steel
- Fitted with Viton seals (Other seals available on request)
- Also available in carbon steel (See PTC Series)
Dust Caps and Plugs are available for the PTS Series
- Hydraulic jacks
- Marine
- Offshore/Onshore

Stainless steel high pressure heavy duty screw to connect couplings
Holmbury’s PTS Series stainless steel screw connect couplings are designed for heavy duty applications involving very high pressures and severe pressure pulses. They incorporate all the benefits of the carbon steel PTC Series, whilst being perfectly suited for corrosive fluids and environments.
FEATURES
- Can be connected with 50 bar residual pressure in the hydraulic circuit
- Bidirectional flow
CONSTRUCTION
- AISI 316 stainless steel
- Fitted with Viton seals (Other seals available on request)
- Also available in carbon steel (See PTC Series)
ACCESSORIES
• Dust Caps and Plugs are available for the PTS Series
APPLICATIONS
- Hydraulic jacks
- Marine
- Offshore/Onshore
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) |