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SINGLE OVER CENTRE VALVE

Comprehensive range of fluid power products

SINGLE OVER CENTRE VALVE

Comprehensive range of fluid power products

SINGLE OVER CENTRE VALVE

The over-centre valve prevents the movement of a load when the directional valve is in the neutral position, permitting the use of open centre directional valves and negating leakage past the spool of closed centre directional valves. In the case of hose failure, an over-centre valve mounted onto or into a cylinder will prevent uncontrolled movement of the load. When a cylinder is used in a boom, as in a crane, then hose failure protection is vital as the loss of load control could cause damage to people or property.

FEATURES:

  • Body: zinc-plated steel.
  • Internal parts: hardened and ground steel
  • Seals: BUNA N standard.
  • Negligible leakage. Standard-setting: 320 Bar.

Valve setting must be at least 1.3 times more than load pressure in order to enable the valve to close even when subjected to the maximum load pressure.

CONNECTIONS – Connect V1 and V2 to the supply, C1 to the free flow side of the actuator and C2 to the actuator’s side you want the flow to be blocked. In-line mounting.

Single Over Centre Valve - DistagQCS



TWO WAY HIGH-PRESSURE BALL VALVES

Our BVC 2 Series two way high-pressure ball valves are designed to suit a wide range of applications. These valves should not be used as flow control valves and should therefore always be fully open or closed.

CONSTRUCTION:

  • Carbon steel with trivalent plating.
  • Fitted with Nitrile seals.
  • Also available in AISI 316 stainless steel (See BVS 2 Series).
  • Metric and flanged available on request.

 

FEATURES:

  • Floating ball design maximises sealing.
  • Full bore valves provide an unrestricted flow path for negligible pressure drop.
  • Open to close in 1/4 turn.
  • Cranked handle allows clearance for easy operation.

 

ACCESSORIES – Valve Locking Kits and Valve Handles are available for the BVC 2 Series.

SPECIFICATIONS – Operating temperatures (With Nitrile seals): -40°C (-40°F) to 106°C (223°F)

APPLICATIONS – Designed for usage in general hydraulic systems, machine tools, test equipment, agricultural, and mobile hydraulics.

3-WAY HIGH-PRESSURE BALL VALVES

Our BVC 3 Series three-way high-pressure ball valves are designed to suit a wide range of applications. These valves should not be used as flow control valves and should therefore always be fully open or closed

CONSTRUCTION:

  • Carbon steel with trivalent plating.
  • Fitted with Nitrile seals.
  • Also available in AISI 316 stainless steel (See BVS 3 Series).
  • Metric and flanged available on request.

 

FEATURES:

  • Available in ‘L’ or ‘T’ port configurations.
  • One-piece body design provides additional strength.
  • Full bore valves provide an unrestricted flow path for negligible pressure drop.
  • 90-degree operation.
  • Cranked handle allows clearance for easy operation.

 

ACCESSORIES – Valve Locking Kits and Valve Handles are available for the BVC 3 Series

SPECIFICATIONS – Operating temperatures (With Nitrile seals): -40°C (-40°F) to 106°C (223°F)

APPLICATIONS – Designed for usage in general hydraulic systems, machine tools, test equipment, agricultural, and mobile hydraulics.

SINGLE OVER CENTRE VALVE WITH BANJO MOUNTING

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CONSTRUCTION:

  • Carbon steel with trivalent plating.
  • Fitted with Nitrile seals.
  • Also available in AISI 316 stainless steel (See BVS 3 Series).
  • Metric and flanged available on request.

 

FEATURES:

  • Available in ‘L’ or ‘T’ port configurations.
  • One-piece body design provides additional strength.
  • Full bore valves provide an unrestricted flow path for negligible pressure drop.
  • 90-degree operation.
  • Cranked handle allows clearance for easy operation.

 

ACCESSORIES – Valve Locking Kits and Valve Handles are available for the BVC 3 Series

SPECIFICATIONS – Operating temperatures (With Nitrile seals): -40°C (-40°F) to 106°C (223°F)

APPLICATIONS – Designed for usage in general hydraulic systems, machine tools, test equipment, agricultural, and mobile hydraulics.

VFCV – FLOW CONTROL VALVE ONE-WAT

FEATURES:

  • Body: zinc-plated steel.
  • Internal parts: hardened and ground steel
  • Seals: BUNA N standard.
  • Leakage control-needle type. Minimal leakage when the valve is closed.

 

CONNECTIONS:

Connect either ports to the supply and the other to the actuator to control. When used on actuators with double pilot check valves, VNDV has to be mounted between the actuator and the double pilot check valve. Flow adjustment is done by rotating the plastic hand knob after loosening the side locking screw. This particular configuration allows an accurate adjustment.

VSV – SHUTTLE TEE VALVE

FEATURES:

  • Body: zinc-plated steel.
  • Seals: BUNA N standard.
  • Load holding: Ball type

 

CONNECTIONS:

Connect ports P to the 2 lines to select and U to the line to feed

VSC – END OF STROKE VALVE

FEATURES:

  • Body: Cast Iron
  • Internal parts: hardened and ground steel
  • Seals: BUNA N standard.
  • Leakage : Minimal Leakage

 

CONNECTIONS:

Connect P to the control valve and A to the circuit or to the actuator. When the spool is operated, flow is blocked from P to A, whilst the check valve enables free flow in the reverse direction.

USE AND OPERATION:

This valve is used to block the oil supply to a hydraulic circuit or to stop an actuator’s stroke (Valve is normally open). The valve is closed by either pulling or pushing the spool, which immediately stops the oil flow.

Complete Hydraulic System Provider

+14.000 PRODUCT LINES & 3 WAREHOUSE LOCATIONS ACROSS THE UK & IRELAND

As a leading supplier of complete port-to-port solutions, at Distag QCS Group we offer a comprehensive range of fluid power components, including tube connection systems, hydraulic hose, fittings, assemblies, kits, motors, cylinders, valves, and accessories. The range includes FLEXEPULSE hose, FLEXEQUIP and VOSS tube and end-fittings.

Celebrating 50 years in Hydraulics

Distag QCS (UK) Ltd, previously known as Flexequip Ltd, was founded in July 1971 and began manufacturing hydraulic couplings to service a large home and export market across the world through a distribution network.

The Flexequip brand has been synonymous with designing and manufacturing high-quality hydraulic couplings for over 50 years. From the early days of re-usable couplings, and braised adapters, to the current range of one & two-piece fittings, the FH logo is widely recognised across Europe, UK, and the Middle East.

Following the acquisition by the Distag group in 2006, the company has continued to expand the product range and service provided, and today we carry over 10,000 active hydraulic component SKUs, including hose, fittings, adapters, QR couplings, valves, motors, cylinders, clamps & hose protection.

In addition to the components provided, Distag also manufacture hose assemblies, manipulated steel tube assemblies, and build hydraulic kits according to customer specification.

While the name may have changed, and the product range expanded, we are proud to have some members of the team still with us today, who have been on this journey with the company for over 30 and 40 years; and witnessed the continuous development and improvement in hydraulic couplings.

We welcome you to take a look at our new celebration catalogue, and see some of the products which will take us into next 50 years phase.

TECHNICAL LIBRARY

See what our Engineers have to say

Our super talented Technical team are continuously working on simplifying techniques, providing innovative new products and providing 3D models to help our customers get what they need. Our Technical Hub will provide you with detailed information which will help you design and decide on the products you may need.

While every effort is made for you to make that decision, our Engineers are always on-hand to help.

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