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Series 140, 200, 920, 5620

Description

Barksdale's Heavy Duty Valve provides superior directional control for fluids and gasses up to 6,000 psi in the toughest industrial applications. Using Barksdale's Shear-Seal® technology, the Heavy Duty Valve products offer dependable performance and long life even when the media being controlled is contaminated with debris that would ruin ordinary valves. Featuring rugged ball bearing construction, hardened stainless steel seals, and durable bronze and iron cast housings these valves will provide trouble free performance for your critical application in the harshest environments.

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Features

  • Original Shear-Seal® technology
  • High velocity flow
  • Tolerates contaminates
  • Low handle load at high pressures
  • Spring return option
  • Low pressure drop
  • 2- and 3-Position Actuators
  • For Lockout Device for Oil & Gas Heavy Duty Valves option, click here

Technical specifications

General Specifications*

Working Pressure: Air (pneumatic) up to 4,000 psi (276 bar) hydraulic oil or lubricated water up to 6,000 psi (413 bar)
Flow Capacity, Cv: See table
Back Pressure: Must not exceed 250 psi (17 bar) at return port for satisfactory operation
Pressure Drop: 14 psi (0.96 bar) at 20 ft/sec return port for satisfactory operation
Proof Pressure: 1.5x times working pressure except at return port
Burst Pressure: 2.5X times working pressure except at return port (3,000 psi [206 bar])
Media Temperature Range: -40° to +250°F (-40° to +121°C)
Rotor: 400 series stainless steel
Pressure Seals: Stainless steel
Shaft: Stainless steel
Body: Bronze
Housing: Ductile iron
Standard O-ring: Buna N, others available
Back-up Rings: Teflon®

Flow Capacity Table

Flow Capacity (Approx.)
Service: Oil and Lubricated Water
Main Valve
Port Size
20 ft/sec
gpm (l/min)
40 ft/sec
gpm (l/min)
60 ft/sec
gpm (l/min)
Min. Flow
Passage Dia.
Cv
Factor
Approx. Shipping
Weight lbs (kgs)
140/920
Series
Valve
1/4” 3 (11) 6 (23) 9 (34) 1/4” 0,95 4.5 (2)
3/8” & 1/2” 9 (34) 19 (72) 28 (106) 7/16” 3,2 8.5 (3.9)
3/4” & 1” 25 (95) 50 (189) 75 (284) 23/32” 9,2 21.5 (9.8)
1-1/2” 57 (217) 114 (433) 171 (650) 1-3/32” 21 48.5 (22)
140/920
Series
Valve
1/4” 3 (11) 6 (23) 9 (34) 1/4” 0,95 4.5 (2)
1/2” 5 (19) 10 (38) 15 (57) 5/16” 1,6 8.5 (3.9)
1” 9 (34) 19 (72) 28 (106) 7/16” 3,2 21.5 (9.8)