A butterfly valve is from a ancestors of valves alleged division about-face valves. The

valve is turned off, slow-closing valve plate promoting the valve plate closed. pumpInstalled in the pump outlet pipe Road, both electric valves, reversed water valves and water hammer eliminator thre

Flow control choices for air valves include unidirectional (one-way), bi-directional (two-way) or three-way. In a one-way configuration the valve permits metered (restricted) flow in one direction an

Relieve Valve Set Pressures This inaugural column starts a series on Relief Valves. The Problem. In the May 2000 issue of Chemical Engineering Progress 1 (CEP), there was an article entitled

Valve body is the most critical processing production parts, because of structural requirements, the valve seat sealing surface and the center symmetry plane tilted 3o ~ 6o. For small gate valve bod

Maintenance of flexible metal sealed butterfly valve. According to the seal structure, metal sealed butterfly valve can be divided into elastic seal structure and multi-level hard-seal structure. Pro

Cheng Wen Qiong along the highway into the Dayi Industrial Development Zone, roads, beautiful and much standardized plant is under construction, vehicle back and forth, around the workers busy. "This

Conditioning system, the control valve mechanical noise generated mainly from the safety valve, stem, and some can be active parts. Or due to fluid pressure fluctuations, or by the impact of the fluid