在线亚洲无码,日韩欧美国产丝袜大香蕉,欧美日本性爱东北嫖妓,一级特黄录像免费播黄

2020 官網升級中!現在您訪問官網的瀏覽器設備分辨率寬度低于1280px
請使用高分辨率寬度訪問。

Hand wheel valve interlock

Product Overview

The application scope includes the conversion of pressure relief valve, transceiver system device of pigging station, sampling equipment, etc. Technical description: ambient temperature: - 40 - + 80 ° C material: stainless steel

Product Description

Handwheel valve interlock is suitable for all type of valve which is handwheel operation, such as
gate valve、globe valve and valve which is gear operation. Valve mechanical interlock is used for lock valve in open and close station. only when both keys are inserted in lock, it could operate valve.
When valve is in full open, one key could release. When valve is in full close, another key could release. Color for lock body and key could be customized.

Related Products