The rubber flap in the valve is made of reinforced nylon cloth as the backing, and the outer layer is covered with rubber. HC44X rubber flap check valve adopts full flow area design, which has the characteristics of small head loss, not easy to accumulate debris, and easy maintenance.
Purpose
HC44X rubber flap check valve is mainly suitable for horizontal installation of water supply and drainage system, and can be installed at the water outlet of the pump to prevent backflow and water hammer from damaging the pump. The HC44X rubber flap check valve can also be installed on the bypass pipe of the water inlet and outlet pipes of the reservoir to prevent the backflow of pool water into the water supply system. The check valve is generally suitable for clean media, and should not be used for media containing solid particles and high viscosity.
According to the standard
1) Design and manufacture standard: GB/T13932-1992
2) Connection flange standard: GB/T9113-2010, GB/T17241.6-2010 (iron)
3) Structure length standard: GB/T12221-2005
4) Pressure test standard: GB/T13927-2008
Structure diagram
Main material of valve
|
Part Name |
Body |
Disc |
Bonnet |
|
Materials used |
Ductile Iron |
Ductile Iron + Rubber |
Ductile Iron |
