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Series PS

STAUFF hydraulic screw-to-connect couplings with poppet valve in different versions and series. All commonly used connection types and nominal sizes. Made of carbon steel with STAUFF zinc/nickel surface coating for several series for reliable corrosion protection. Longstanding experience, extensive range, high level of availability, fast delivery. Established in the market for many years as an original Voswinkel product. This coupling is particularly suitable for construction machinery.
Carbon Steel Screw-to-Connect Couplings with Poppet Valve

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Carbon Steel Screw-to-Connect Couplings with Poppet Valve
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Carbon Steel Female Coupling Bodies - Series PS
Carbon Steel Female Coupling Bodies - Series PS
Carbon Steel Female Coupling Bodies - Series PS
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Carbon Steel Male Tips Series PS
Carbon Steel Male Tips Series PS
Carbon Steel Male Tips Series PS
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Series PS Accessories for Carbon Steel Screw-to-Connect Couplings
Series PS Accessories for Carbon Steel Screw-to-Connect Couplings
Series PS Accessories for Carbon Steel Screw-to-Connect Couplings
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Buy PS series steel screw couplings online

The PS series screw couplings from STAUFF have been specially developed for the toughest hydraulic applications and combine maximum load capacity with maximum reliability. Thanks to their robust design made of high-quality steel with a zinc/nickel coating, they are ideal for use in demolition machines, hydraulic breakers and other high-pressure systems. With innovative features such as a patented valve unit, durable seals and the option of coupling under residual pressure, they offer a particularly safe and durable solution for extreme operating conditions - now conveniently available online.

Product features

The PS series offers maximum reliability and durability even under extreme conditions:

  • Cone valve for reliable sealing and consistent flow

  • Made of carbon steel with high-quality zinc/nickel surface coating

  • Seals made of HNBR, FKM (Viton®) and PTFE for maximum durability

  • Patented integrated valve unit with fully chambered seals - reduces the risk of seal extrusion

  • Coupling under residual pressure up to 50 bar possible with tools

  • Minimal play of all internal components - reduces material fatigue and prevents "brinelling" on the connector

Applications

The PS series screw couplings are specially designed for the toughest operating conditions:

  • Demolition machines

  • Hydraulic hammers

  • Construction machinery with high flow rates

  • Applications with high-pressure and high-pulse hydraulics

Advantages and unique selling points

The PS series impresses with a multitude of technical advantages:

  • Very high flow rate: up to 600 l/min (briefly up to 1000 l/min)

  • Maximum load capacity for pressure peaks and vibrations

  • Safe operation even under extreme environmental conditions

  • Long-lasting corrosion protection thanks to zinc/nickel coating

  • Safety factor of 4x the operating pressure

Standards & interchangeability

The PS series screw couplings are based on a robust design for extreme applications. They are established as an original Voswinkel product and can be combined with commercially available screw couplings of a comparable design.

Data sheet for the PS series made of steel from STAUFF

STAUFF Online Page-Flip Catalogue
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Catalogue STAUFF Quick Release Couplings
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Catalogue STAUFF Quick Release Couplings
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Frequently asked questions and answers about screw couplings with cone valve from the PS series from STAUFF

For which applications are the PS series screw couplings suitable?

Can the PS series screw couplings be coupled under residual pressure?

What advantages does the patented valve unit offer?

What corrosion protection do the couplings have?

Question?

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Questions about the QRC-PS series from STAUFF

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