# 150 Flanges
# 150 Flanges
(OP)
Dear All,
Should be a simple one.
Can someone please tell me what the 150/300..etc denotes in a ANSI B16.5 Flange. ie class 150.
Thanks
Should be a simple one.
Can someone please tell me what the 150/300..etc denotes in a ANSI B16.5 Flange. ie class 150.
Thanks





RE: # 150 Flanges
Perhaps some wafer valves designed to install between flanges are machined to fit either Class 150 or Class 300 facings.
RE: # 150 Flanges
RE: # 150 Flanges
RE: # 150 Flanges
1. Use with steam pressure is not in excess of 125 pounds.
2. Use with water when pressure is not in excess of 175 pounds.
3. Fittings are made of cast iron.
A fitting designation as Class 250 denotes the following:
1. Use with steam pressure is not in excess of 250 pounds.
2. Use with water when pressure is not in excess of 400 pounds.
3. Fittings are made of cast iron.
A fitting designation as Class 150 denotes the following:
1. Use with steam pressure is not in excess of 150 pounds.
2. Use with water when pressure is not in excess of 300 pounds.
3. Fittings are made of Malleable iron.
RE: # 150 Flanges