Product description:
Cowinns Bellow sealed valves
ASME B 16.34

Size:1/2''-12''(15-300mm)
Classes:150-2500LB
Materials: Carbon, stainless, alloy, nickel alloy steel

Features:
1.Forged made for 1/2'' to 1-1/2''
2.Casted made for 2'' and above
3.Multi-ply bellows for long service life: The key part mental bellow is sealed in the
extended space. Consequently the pressure and temperature of
medium will not influence the bellow and it will have a longer
service life.
4.Secondary packing stem sealing
5.Zero stem leakage
6.Minimum maintenance cost
7.Cowinns can offer one kind seal element of titanium which is a reliable material for high
temperature and corrosion will form a triple seal. It provides a more
reliable performance.
8.Available for hazardous, expensive or vacuum mediums services such as Hot oil system, steam system, hot and cold water system etc.