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Series 6900, 6940

Description

Barksdale's High Pressure OEM Valve line provides exceptional directional control for fluids up to 3000 psi in the toughest industrial applications. Using Barksdale's Shear-Seal® technology the OEM Valve products offer dependable performance and long life even when the media being controlled is contaminated with debris that would ruin ordinary valves.

Different flow patterns are built into this OEM line the "Closed Center-Manipulator", also known as "Float Center", where in the center position the pressure port is blocked and the cylinder ports are open to the return port. Other models features "Open Center-Manipulator" also known as "Open Center" features a flow pattern with the pressure port, cylinder ports open to the return port.

 

Features

  • Original Shear-Seal® technology
  • Low pressure drop
  • Tolerates contaminates
  • Spring return option
  • Special flow pattern for OEM designs

Technical specifications

General Specifications*

Working Pressure: Hydraulic fluid up to 3000 psi (206 bar)
Flow Capacity, Cv: See table
Back Pressure: Must not exceed 250 psi (17.2 Bar) at return port for satisfactory operation
Pressure Drop: 14 psi (0.96 bar) at 20 ft/sec See Supplemental Guide for more detailed information
Proof Pressure: 1-1/2 times working pressure except at return port
Burst Pressure: 2-1/2 times working pressure except at return port (3000 psi [206 bar])
Media Temperature Range: -40° to +250°F (-40° to +121°C)
Wetted Material:
Rotor:
Pressure Seals:
Shaft:
Body Housing:
Bearings:
Standard O-rings:
Back-up Rings:

Hard anodized aluminum
Brass
Stainless steel
Anodized aluminum
Carbon steel
Buna N, others available
Teflon®
 
* See product confi gurator for additional options.