进口压力表截止阀原理特点
进口压力表截止阀是仪表测量管路阀门，广泛用于石油、气体、蒸汽、水等介质管路上，作测试压力的启闭装置，它具有连接牢固，密封性能好，并有排污性能等特点。
The ‘GB’ Type Gauge Bleed Needle Valve is designed for safe and reliable isolation, giving bubble tight shut off, with non-rotating & anti-galling tip and dynamic self-adjusting spindle seal to give long service life in a variety of applications. The additional ability to bleed the gauge cavity to atmosphere, for simple calibration, is included.
Product Data Sheet
Part No. | Connections Size | A | B | C | Weight (Kgs) |
GB1F | ½" | 3.6 | 2.9 | 1.1 | 0.5 |
GB1M | ½” | 3.6 | 3.9 | 1.1 | 0.5 |
Key Features of the Thomas Needle Valve range
· Non rotating tip - self centering & anti-galling
· Piston ring - gives dynamic adjustment of gland seal in response to pressure change
· Anti-blow out spindle - a major safety feature
· Secure seal - precision machined to give leak free operation for the life of the valve. Available in either PTFE or Grafoil
Standard Specification
Pressure: 6000psi | Packing: PTFE | Handle: T-Bar | Bore: 0.21”(5.4mm) | |
Temp: 240 deg C | Thread form: NPT | Seat: Metal to metal | CV: 0.46 | |
1/2”Inlet / Outlet Connections | 1/4”UNF Bleed Screw | |||
进口压力表截止阀品牌
