Detailed Product Description

Description of Multifunctional Pump Control Valve (GJd 745)

this valve is mainly used for water supply and transport system in municipal  projects, high-rises, mines and factories, etc., as well as water supply and drainage system of submerged sewage pump room. Integrating the functions of electric valve, check valve and water hammer eliminator, this valve greatly improves security and dependability to meet the requirements of system automation.

plus, this valve is provided with three types of structures to eliminate water hammer including quick shut, slow shut and absorbing chamber, with actions completely linked without errors. when pump is started or stopped, it can use the mediums at two ends of valve and their pressure difference as driving mediums and control power, making valve automatically interconnected according to the operating regualtions of pump, and not affectd by pipeline pressure and flow wave.

1) Diaphragm type: 2" - 14"

2) Piston type: 16" - 36"

3) Class: 150lbs - 600lbs

Technical standards:

1) Design and manufacture: API 6D

2) Face-to-face: ANSI B16.10

3) Flange end: ANSI B16.5

4) Inspection and test: API 598

Main materials:

1) Y type body and bonnet: cast iron, ductile cast Iron, WCB, WCA, WCC, A351, 304, 340L, 316, 316L17-4PH

2) Disc: cast iron, ductile cast iron, WCB, WCA, WCC, A351, A744

3) Seat: WCB, WCA, WCC, A351, 304, 340L, 316, 316L17-4PH

4) Stem: stainless steelInner