cast iron valves suppliers in china DESCRIPTION
Silent closing, no water hammer
Full bore flow, large flow, small resistance
Loss of water head is 50% lower Than swing check valves
Installation: Horizontal or vertical
Working Temperature: -10° C~+80° C
Medium: Water, Sewage Heavy Thick and Viscous Liquid


Technical Specification
Threaded ends DN25 to DN80
Flanged ends DN40 to DN400
Threaded type BSP or BSPT
Flanged type EN 1092-2 PN10 /16 and Table D; Table E
Maximum working pressure 16 bars
Operating temperatures 10° C ~ 80° C
Minimum backpressure for tightness 0.3 bar to 0.5 bar
Face to Face dimensions for flanged type according to EN-558-1 serie 48 (DIN3202 F6)
Applications
Pumping stations for clean, sewage water and loaded or viscous fluids.
Technical performance
Full bore ensured
Self cleaning ball
Low pressure drop
Silent
Removeable bonnet for cleaning or changing the ball with out disassembly out of the pipeline
Horizontal and vertical installation in the pipeline
Test
Seat: 1.1x normal pressure
Body: 1.5x normal pressure