Barksdale 518, 526 Series Microtorque® Valve

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Barksdale 518, 526 Series Microtorque® Valve

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Brand:

Barksdale

Product Code:

518, 526 Series

Order Processing & Delivery Information:
As we supply industrial equipment, product availability and delivery timelines may vary. Once your order is placed, our sales team will contact you within 24 business hours (excluding weekends and holidays) to confirm stock status and estimated delivery time.

Product Documentation/Technical Datasheet

barksdale-518-526-series-microtorquer-valve-141318.pdf

PDF • 1884 KB

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Details:

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.

General Specifications*

Media:

Hydraulic oil

Working Pressure:

6,000 psi (415 bar) **

Flow Capacity, Cv:

See table

Back Pressure:

Must not exceed 250 psi (17.2 bar)*** at return port for satisfactory operation

Proof Pressure:

1-1/2 times working pressure except at return port

Burst Pressure:

2-1/2 times working pressure except at return port

Media Temperature Range:

-40° to +250°F (-40° to +121°C)

Porting:

1/4” NPT, SAE for 1/4” tubing, or DO3 pattern for manifold mounting

Mounting:

Panel mountable with p/n 22357 mounting nut (-P option) DO3 Manifold mounting shipped with (4) #10-24 screws and O-Rings

Handle Rotation:

90°; 45° each side of center position

Detent:
2-position:
3-position:

Detent at 90° positions
Detents at center and 2 extreme positions

Optional Spring Return:

Available to center or either shifted position 5,000 psi (345 bar) max working pressure on spring return option

Body & Housing:

Anodized aluminum

Shaft, Rotor, Pressure Seals:

400 series stainless steel

Standard O-Rings:

Buna N, others available

Back-up Rings:

Tefl on

Bearings:

Hardened steel

Shipping Weight:

.95 lbs

Flow Capacity Table

	Flow Capacity (Approx.)
	20 ft/sec (6.1 m/s) gpm (l/min)	40 ft/sec (12.2 m/s) gpm (l/min)	Min. Flow Passage Dia.	Cv Factor
518 Series Interflow	1.4 (5.6)	2.8 (11)	0.17 "	0.4
526 Series Non-Interflow	0.36 (1.4)	0.72 (2.7)	0.086 "	0.09