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518 & 526 Series Microtorque Valve
Brand: Barksdale
Barksdale's Microtorque® valve provides superior directional control for fluid power applications up to 6,000 psi where compact design and virtually zero leakage* are a must.
Utilizing Barksdale's Shear-Seal® technology, the Microtorque® valve offers reliable performance and lapped metal-to-metal sealing surfaces that will easily tolerate contaminated fluids.
This valve offers many options that make it extremely versatile including panel mounting, spring return, 2 or 3 position detents, DO3 manifold mounting, and non-interflow.
Leveraging the flexibility and unique features of the Microtorque® valve, along with its superior performance, can result in bottom line savings and operational benefits for your customers.
Features- Original Shear-Seal technology
- Compact design
- Non-interflow option
- Spring return option
- Multiple handle types
- 2 or 3 position detent
1 - 12 of 7,200 Part Numbers
51821R6HC2
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - No Adjustment Type
- Mount Type - Without Mount
- O-Ring - Buna-N
51821R6HC2-E
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Without Mount
- O-Ring - Buna-N
51821R6HC2-E-P
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Buna-N
51821R6HC2-E-P-Z10
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Butyl
51821R6HC2-E-P-Z12
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Neoprene
51821R6HC2-E-P-Z13
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Viton
51821R6HC2-E-P-Z15
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - EPR
51821R6HC2-E-P-Z16
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Silicone
51821R6HC2-E-P-Z17
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Fluorosilicone (FSR)
51821R6HC2-E-P-Z18
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Thiokol
51821R6HC2-E-P-Z19
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Teflon (PTFE)
51821R6HC2-E-P-Z21
- Series - Interflow
- Porting - Regular (Side) Porting
- Pressure Range - 6,000 psi
- Media - Hydraulic Oil
- Flow Pattern - 4-Way Closed Center
- Position - 2-Position 90° Rotation
- Actuator Type - Standard
- Port Options - 1/4” Female NPT
- Adjustment Type - Black Knob
- Mount Type - Panel Mount Nut P/N 22357
- O-Ring - Disogrin
1 - 12 of 7,200 Part Numbers
Specifications
Brand
Actuator Type
- Spring Return
Applications
- Grease Injection Equipment
- Hydraulic Power Units
- Hydraulic Presses & Lifting Systems
- Hydraulic Test Equipment
- Work Holding Clamps & Systems
Bearing Material
- Hardened Steel
Burst Pressure
- 2.5 times Working Pressure Except at Return Port
Enclosure, Body Material
- Anodized Aluminum
Flow Capacity
- 0.36 to 2.8 gpm Approximately
Flow Rate
- 0.09 to 0.40 Cv
Materials of Construction
- Rotor: 400 Series Stainless Steel
Media
- Hydraulic Oil
Mounting
- Manifold Mounting (ISO 4401-03 Mounting Pad)
- Panel Mounting Nut
NPT Connection
- 1/4” NPT Female
O-Ring Material
- Buna-N
- Butyl
- Ethylene Propylene (EPR)
- Fluorosilicone (FSR)
- Neoprene
- Silicone
- Teflon (PTFE)
- Thiokol (Polymer)
- Viton
Operation
- Manual Operation
Pressure Range
- psi: 6,000 (kPa: 41,370, bar: 415)
Process Temperature
- -40° to 121° C (-40° to 250° F)
Proof Pressure
- 1.5 times Working Pressure Except at Return Port
Ring Material
- Back-Up Rings: PTFE
Rotation
- Handle Rotation: 45° (Each Side of Center Position)
- Handle Rotation: 90° (Each Side of Center Position)
SAE Connection
- 1/4” SAE Female
Seat / Seal Material
- Pressure Seal: 400 Series Stainless Steel
- Seal: Butyl
- Seal: EPR
- Seal: Fluorosilicone (FSR)
- Seal: Neoprene
- Seal: Silicone
- Seal: Teflon (PTFE)
- Seal: Thiokol (Polymer)
- Seal: Viton
Shaft Material
- 400 Stainless Steel
Supply Pressure
- Back Pressure - psi: 250 (kPa: 1,724, bar: 17.24) - Max.
Tube Connection
- 1/4” Tube
- Grease Injection Equipment
- Hydraulic Power Units
- Hydraulic Presses & Lifting Systems
- Hydraulic Test Equipment
- Work Holding Clamps & Systems