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Series L20517 1-1/2" Land Pressure Regulator
Brand: Barksdale
Barksdale's pressure regulators are sensitive pressure-control devices used to maintain a pre-determined pressure in a hydraulic circuit.
The regulated output pressure can be controlled either by the force of a spring, or a motor (hydraulic or pneumatic).
Design features ensure excellent accuracy, repeatability and high flow coefficients.
Features- Original Shear-Seal technology
- High flow capacity
- Large regulated pressure range
- Tolerates contaminated media
- Fail-safe motor control options
- Self venting
- Surge dampening
1 - 12 of 12 Part Numbers
L20517S6HQ2
- Adjustment Type - Manual
- Pressure Range - High Sensitivity
- Port Options - NPT Porting
L20517S6HQ2-1
- Adjustment Type - Manual
- Pressure Range - Full Range
- Port Options - NPT Porting
L20517S6HQ2-1-MS
- Adjustment Type - Manual
- Pressure Range - Full Range
- Port Options - SAE Porting
L20517S6HQ2-MS
- Adjustment Type - Manual
- Pressure Range - High Sensitivity
- Port Options - SAE Porting
LF20517S6HQ2
- Adjustment Type - Pneumatic Failsafe Motor
- Pressure Range - High Sensitivity
- Port Options - NPT Porting
LF20517S6HQ2-1
- Adjustment Type - Pneumatic Failsafe Motor
- Pressure Range - Full Range
- Port Options - NPT Porting
LF20517S6HQ2-1-MS
- Adjustment Type - Pneumatic Failsafe Motor
- Pressure Range - Full Range
- Port Options - SAE Porting
LF20517S6HQ2-MS
- Adjustment Type - Pneumatic Failsafe Motor
- Pressure Range - High Sensitivity
- Port Options - SAE Porting
LG20517S6HQ2
- Adjustment Type - Hydraulic Failsafe Motor
- Pressure Range - High Sensitivity
- Port Options - NPT Porting
LG20517S6HQ2-1
- Adjustment Type - Hydraulic Failsafe Motor
- Pressure Range - Full Range
- Port Options - NPT Porting
LG20517S6HQ2-1-MS
- Adjustment Type - Hydraulic Failsafe Motor
- Pressure Range - Full Range
- Port Options - SAE Porting
LG20517S6HQ2-MS
- Adjustment Type - Hydraulic Failsafe Motor
- Pressure Range - High Sensitivity
- Port Options - SAE Porting
1 - 12 of 12 Part Numbers
Specifications
Brand
Actuator Type
- Hydraulic
- Pneumatic
Applications
- BOP Control Units
- Land-based Oil Drilling Controls
- Pressure Sensitive Equipment
Drain, Vent Valves & Plug
- Vent: 400 Series Stainless Steel
Enclosure, Body Material
- Ductile Iron
- Phosphate Coated Carbon Steel
Flange Material
- Ductile Iron
- Phosphate Coated Carbon Steel
Flow Rate
- 120 gpm at 50 feet/sec
- Inlet: 17.5 Cv
- Vent: 1.6 Cv
Materials of Construction
- Hardware: 300 Series Stainless Steel
- Hardware: -Plated Alloy Steel
- Slide, Inlet, Blocking Plates: 400 Series Stainless Steel
Media
- Hydraulic Oil
NPT Connection
- 1” NPT Female
- 1-1/2” NPT Female
- Porting A & B: 1/4” NPT Female - Pneumatic Pilot Motor
O-Ring Material
- Back-Up Ring: PTFE
- Buna-N
Operating Pressure
- psi: 400 to 1,600 (kPa: 2,758 to 11,030, bar: 27.5 to 110) - Hydraulic Pilot Motor
- psi: 80 to 120 (kPa: 551.6 to 827.4, bar: 5.5 to 8.3) - Pneumatic Pilot Motor
Operating Temperature
- -34° to 85° C (-30° to 185° F)
Pressure Range
- bar: 20.7 to 206.8
- kPa: 2,068 to 20,680
- psi: 300 to 3,000
Proof Pressure
- Case - psi: 4,500 (kPa: 31,030, bar: 310)
- Inlet - psi: 7,500 (kPa: 51,710, bar: 517)
Screw Material
- Socket Head: Zinc-Plated Alloy Steel
Spring Material
- Carbon Steel
- Ductile Iron
Supply Pressure - Maximum
- bar: 345
- kPa: 34,470
- psi: 5,000
Tube Connection
- Porting A & B: 3/8” Tube (Size 6)- Hydraulic Pilot Motor
UNF/UNC Connection
- 3/8”-16 UNC-2B
Vent Connection Size
- 1” NPT Male
Wetted Materials
- Stainless Steel
- BOP Control Units
- Land Based Oil Drilling Controls
- Pressure Sensitive Equipment