Double Discs Butterfly Type Buffering Non-return Valve(HX47) suppliers

Double Discs Butterfly Type Buffering Non-return Valve(HX47)

Double Discs Butterfly Type Buffering Non-return Valve(HX47)

There are two discs, the small one is in the center of the large one. The large disc drops quickly when closing and it is controlled by the damper near the closing position and the small disc is controlled by another damper. Slow closing follows quick closing. This valve can prevent the pump turning back and super-high water hammer pressure.

Contact Us

Double Discs Butterfly Type Buffering Non-return Valve(HX47) Details

 

Suitable
material:
water、sea water
Main
material:

grey cast iron, ductile cast 
iron,alloy cast iron,carbon steel

Suitable temprature:

≤80℃

Nominal 
pressure:
PN2.5-25MPa
Nominal 
dimension:

DN250-2800mm

Flange
dimension:
BS4504 IS02531,IS07005 
and other standards conforming to the 
requirements
Face tp Face length : BS5155,IS05752,DIN3352,AWWAC504
and other standards conforming to the 
requirements


MATERIALS OF MAIN PARTS

Name of parts
Material of parts
Body,cover,disc
Cast iron/duetile iron/carbon steel
Shaft
Stainless steel
Body sealing ring
Stainless steel
Disc sealing ring
Gunmetal/stainless steel


There are two discs, the small one is in the center of the large one. The large disc drops quickly when closing and it is controlled by the damper near the closing position and the small disc is controlled by another damper. Slow closing follows quick closing. This valve can prevent the pump turning back and super-high water hammer pressure.

 

CONTACT WITH US