BS Standard Non-Return Valve with Flanges GB1724.6

Basic Info. Function Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence Sealing Form Bellows Globe Valve Flow Direction Bidirectional Standard GB Application Water Industrial Usage Transport Package Plywood Wooden Box Specification DN200 Trademark BTVAL Origin Hebei China HS Code 848180 Production Capacity 10000 Pieces/Year Product Description                       8in DN200 BS PN10/16 standard rubber flap Non Return Valve...