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Series 6900 & 6940 High Pressure OEM Manipulator Valve
Brand: BarksdaleBarksdale'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
Specifications
Brand
Actuator Type
- Spring Return
Bearing Material
- Carbon Steel
Burst Pressure
- 2.5 times Working Pressure Except at Return Port [psi: 3,000 (kPa: 20,680, bar: 206)]
Enclosure, Body Material
- Anodized Aluminum
Flow Capacity
- 5 to 124 gpm Approximately
Flow Rate
- 1.56 to 24 Cv
Media
- Hydraulic Oil
NPT Connection
- 1” NPT Female - Series 690 Only
- 1/2” NPT Female
- 1/4” NPT Female
- 1-1/2” NPT Female - Series 690 Only
- 3/4” NPT Female
- 3/8” NPT Female
Operating Pressure
- Hydraulic - psi: 0 to 3,000 (kPa: 0 to 20,600, bar: 0 to 206)
Operation
- Manual Operation
Pressure Drop
- psi: 14 (kPa: 96.53, bar: 0.96) at 20 feet/sec
Process Temperature
- -40° to 121° C (-40° to 250° F)
Proof Pressure
- 1.5 times Working Pressure Except at Return Port
Seat / Seal Material
- Back-Up Rings: Teflon
- Buna-N
- Butyl
- Disogrin
- Ethylene Propylene (EPR)
- Fluorosilicone
- Neoprene
- Pressure Seal: Brass
- Silicone
- Thiokol
- Viton
Shaft Material
- Stainless Steel
Supply Pressure
- Back Pressure - psi: 250 (kPa: 1,724, bar: 17.24) - Max.
Wetted Materials
- Rotor: Hard Anodized Aluminum
- Hydraulic Presses
- Military Equipment
- Paper Mill Controls
- Pipe Forming
- Railroad Maintenance Equipment