Barksdale

Series S20517

  • Original Shear-Seal® technology
  • Stainless steel construction
  • SAE J518-2 code 62 pressure connections
  • High flow capacity
  • Wide regulated pressure range
  • Tolerates contaminated media
  • Fail-safe motor control options
  • Self venting
  • Surge dampening

Barksdale's pressure regulators are sensitive pressure-control devices used to maintain a pre-determined pressure in a hydraulic circuit. The Stainless Steel Regulators offer corrosive-resistant, 316 stainless steel, units with SAE J518-2 code 62 flanges, which are standard with this series. Code 62 flanges are industry proven leak-free connections suited for higher pressure that offer ease of installation.

Designed to provide years of trouble-free operation and virtually zero leakage, the Shear-Seal® design uses fluid 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 Pressures:

Regulated Pressure Range at 3,000 psi Supply Pressure:
High Sensitivity:
Full Range:

Regulated Pressure Range at 5,000 psi Supply Pressure:
High Sensitivity:
Full Range:

Ambient Temperature Range:

Inlet Proof Pressure:

Case Proof Pressure:

3,000 psi (207 bar)
5,000 psi (345 bar)

300 – 1600 psi (21 – 110 bar)
300 – 2800 psi (21 – 193 bar)

500 – 1600 psi (34 – 110 bar)
500 – 3000 psi (34 – 207 bar)

-30° to +185°F (-34° to +85°C)

7,500 psi (517 bar)

4,500 psi (310 bar)

Flow:
Flow Rate:
Cv Outlet:
Cv Vent:
120 GPM (@ 50 ft/s)
17.5
1.6
Porting:
Supply 1:
Supply 2:
Outlet (Regulated):
Vent:
1” SAE J518 code 62 flange; NPT or SAE porting option
1” SAE J518 code 62 flange; NPT or SAE porting option
1-1/2” SAE J518 code 62 flange; NPT or SAE porting option
1” SAE J518 code 62 flange; NPT or SAE porting option
Materials of Construction:
External Components

Body, Flanges, & Spring Housing:
Adjusting Handle, Gear Housing:
(for motorized models)
Hardware:
Wetted Componetns
Slide, Inlet, Vent & Blocking Plates, Pressure Seals:
Other Internal Wetted Components:
O’ring Material:
Backup Ring Material:

316 Series stainless steel
Nickel Plated 17-4 ST STL

316 Series stainless steel

400 Stainless steel
300 Series stainless steel
Buna N
PTFE

Pneumatic Pilot Motor (“F” prefix):
Pilot Motor Working Pressure:
Porting A & B:
Operating Temperature Range:
Painted steel
80 – 120 psi (5.5 – 8.3 bar)
1/4” NPT
-30° to +185°F (-34° to +85°C)
Hydraulic Pilot Motor (“G” prefix):
Pilot Motor Working Pressure:
Porting A & B:
Operating Temperature Rating:
Painted steel
400 – 1600 psi (6.9 – 110 bar)
SAE for 3/8” tube (Size -6)
-30° to +185°F (-34° to +85°C)
Approximate Shipping Weight**:
Manual Unit:
Pneumatic Motor Unit:
Hydraulic Motor Unit:
85 lbs. (38.6 kg)
105 lbs. (47.6 kg)
105 lbs. (47.6 kg)
* See product configurator for additional options.
** Weight is based on the code 62 flanges

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