Name: XH81 rubber Sewage Check Valve
Product Description:
    Rubber sewage check valve is also called duckbill valve, duckbill check valve rubber, rubber flexible check valves, installation structure is divided into: socket rubber Sewage Check Valve XF-T installed in the drain exit. Flanged Check Valve XF-F rubber sewage pipes with a flange installed on the outlet end. Installation plate valve XF-F rubber sewage outlet installed in the structure on the end. Built-in rubber valve XF-F installation of sewage in urban sewage and storm water system outlet end. Mortar or cement sewage pipe rubber valve XF-F installed in mortar or cement pipe end.     XH81, XH81A, XH41, XH41A rubber Sewage Check Valve (Spain called "flexible duckbill check valve" called the U.S. "duckbill valve rubber flat mouth") is a valve company in Spain ROSS, American Red Valve Company production based on the summary, exemplary, revolutionary re-design. Re committed to continuous improvement (duckbill check valve flexible) rubber discharge valve, leaving the valve of the strength, toughness, sealing greatly improved, the valve does not have any active components, free of any maintenance. The valve can give straight pipe, flange pipe, concrete pipe, glass pipe supporting the valve     rubber valve is widely used in sewage coast, beach, docks, reservoirs, municipal drainage, sewage, can be described as environmentally friendly green valve , replace the valve check valve door, door easily solve the sand, silt, rocks, vegetation, marine life blocking problems.

XH81 type - DN20-2000mm	XH41 type - DN100-2000mm
XH81A type - DN200-1200mm	XH41A type - DN200-600mm

	DN With the pipe diameter Valve port level (A) Pipeline access (B>) 50 2 " 20 20 65 2 "-1 / 2" 25 25 80 3 " 40 40 100 4 " 50 50 150 6 " 50 50 200 8 " 50 50 250 10 " 50 50 300,350 12 "~ 14" 100 100 400,450,500 16 "~ 20" 150 150 600,700,800,900 24 "~ 36" 200 200 1000 40 " 250 250 1200,1400,1600 64 " 300 300 1800 72 " 400 400 Description: DN800 ~ 1800 (32 "~ 72") for the double-clad hoop
Schematic diagram
Use on-site	Installation structure
	Installation Installation location Installation Schematic Socket type Installed in the discharge pipe of the mouth Flange Installed in the discharge pipe with a method of export blue end Mosaic Installed in the City Municipal water pollution in the water pipes between the Installation Plate Installed at the water end of the construction of buildings on Built-in Installed in the City Urban rainwater sewage system, water and effluent ends Mortar or water mud pipeline Installed on the gray cement slurry or the end of the pipe end
Storage and transport precautions: A, XH81, XH41 type of duckbill valves, should be kept in a cool, dry place, and to ensure that state transportation vertical placement; B, set above the ground level floor or stand up; C, the valve doors away from heat, ozone, oil, acid, alkali region;
D, non-light radiation exposure and strong load-bearing; E, non-sharp instruments cut through the surface; F, the box marked "↑", does not allow upside down or flat.

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