Barksdale

Model 20313

  • Original Shear-Seal® technology
  • Self adjusting
  • High flow capacity
  • Tolerates contaminated media
  • Fail-safe motor control options

Barksdale's pressure regulators are sensitive, pressure-control devices used to maintain a pre-determined pressure in a hydraulic circuit. The regulated output pressure is controlled by manually adjusting the spring force to balance the hydraulic loading. Design features ensure excellent accuracy, repeatability and high flow coefficients.

Designed to provide years of trouble-free operation and virtually zero leakage, the Shear-Seal® design uses fl uid pressure to maintain a leak-free metal-to-metal seal that improves with use. The shearing action between the rotor & pressure seal continually laps the mating surfaces and prevents contaminates from lodging between the sealing surfaces. The result is a valve that doesn’t wear out – but wears in over time, providing you superior control consistently through the entire life of the product.

Specifications

General Specifications*

Pressure:
Supply/Inlet Pressure:

Regulated Pressure Range:
High Sensitivity
Full Range

Regulated Pressure Range “F” Prefix
Pneumatic failsafe motor:
High Sensitivity
Full Range

Regulated Pressure Range “G” Prefix
Hydraulic failsafe motor:
High Sensitivity
Full Range

Fluid Temperature Range:

Proof Pressure:

5,000 psi (345 bar)

300 – 1600 psi (21 -110 bar)
300 – 3000 psi (21 – 207 bar)

300 – 1600 psi (21 -110 bar)
300 – 3000 psi (21 – 207 bar)

300 – 1600 psi (21 -110 bar)
300 – 3000 psi (21 – 207 bar)

-40° to +250°F (-40° to +121° C)

7,500 psi (517 bar)

Flow:
Flow Rate:
Cv Inlet:
Cv Vent:
45 GPM (@ 50/ft/s)
6.7
6.7
Porting:
Inlet:
Outlet:
Vent:
Bleed Port:
1/2” NPT Standard, SAE Option
1/2” NPT Standard, SAE Option
1/2” NPT Standard, SAE Option
1/4” Dia. hole
Materials of Construction:
Body:

Flanges:

Spring Tower Housing:
Manual
Pneumatic Motor model
Hydraulic Motor model

Standard O’ring Material:

Socket Head Screws:

Wetted Parts:

Stainless steel (standard)

Stainless steel (standard)

Phosphate coated alloy steel (std.)
Phosphate coated alloy steel (std.)
Phosphate coated alloy steel (std.)
Option: Stainless Steel

Buna N

Stainless steel (standard)

Stainless steel

Pneumatic Pilot Motor (“F” prefi x):
Pilot Motor Working Pressure:
Porting:
Operating Temperature Range:
80 – 120 psi (5.5 – 8.3 bar)
1/4” NPT
32° to +250°F (0° to +120°C)
Hydraulic Pilot Motor (“G” prefi x):
Pilot Motor Working Pressure:
Porting:
Operating Temperature Range:
400 – 1600 PSI (6.9 – 110 bar)
SAE for 3/8” Tube (Size -6)
-40° to +250°F (-40° to +121°C)
Approximate Shipping Weight:
Manual:
Pneumatic or Hydraulic Motor:
21 lbs. (9.5 kg)
44 lbs. (20.0 kg)
* See product configurator for additional options.

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