Dwyer针阀NVII
产品简介
详细信息
经济，压力高达2000磅/平方英寸，防喷阀杆
NVII型针阀在所有应用中都提供了方便的流量调节，包括压力表和仪表的关闭和节流。采用一体式热锻黄铜阀体结构，可提供多年的免维护服务。NVII型具有防篡改设计和防喷杆，具有优异的性能和可靠性。
产品应用
仪表管线关闭、仪表隔离、排水阀和压力计
特征
压力达到2000 psi
一体式车身结构
防篡改设计和防喷阀杆
| Model | Description |
|---|---|
| NVII-1B | Needle valve (female x female). |
| NVII-2B | Needle valve (male x female). |
Specifications
Service: Gases and liquids compatible with wetted materials. Not rated for steam use.
End Connection Size: 1/4" female NPT.
Pressure Limit: 2000 psi (138 bar) (CWP).
Wetted Materials: Valve Body: brass (CW617N); Retainer, Handwheel: brass (CW614N); O-Ring: fluoroelastomer.
Temperature Limits: -40 to 350°F (-40 to 176.7°C). (Warning: freezing of the fluid in the installation may severely damage the valve.)
Flow Coefficient: 0.31.
Weight: 0.22 lb.