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.
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
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 (17.2 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: | 1-1/2 times working pressure except at return port |
| Burst Pressure: | 2-1/2 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) | |
