Armstrong Isolation Valve
Armstrong Isolation Valve
Armstrong Isolation Valve
Piston Valves
The Ideal
Isolation Valve
Armstrong Piston Valves
Description
Armstrong Piston Valves are full port forged steel isolation valves
with a maximum operating pressure of 136 Barg/1973 psig and a
maximum operating temperature of 427C/800F. The burnished
piston and metal reinforced graphite rings provide leak-proof shut
off and allow Armstrong Piston Valves to be operated at higher
temperatures, while also extending operating life.
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Armstrong Piston Valves
Nylock Nut Handwheel
D
Plain Washer
M10 Bolt
H
Belleville Bonnet
Washer
Body
Graphite-SS Piston
Stacks
Spacer
Lantern Bush
Forged Piston Valves ANSI Class 800 (API602 & ASME B16.34)
Design Features Forged Steel Piston Valves Class 800 (Sizes 15, 20, 25, 40NB)
Maximum Pressure at Temperature Maximum Temperature at Operating Pressure Hydro Test Pressure at
End Connections *
Ambient Temperature
barg C psig F C barg F psig
Socketweld ends 136.20 38 1975.41 100 427 75.84 801 1099.97 204.30
* Other end connections may have restricted pressure and temperature ratings due to applicable standards.
Armstrong International
North America Latin America India Europe / Middle East / Africa China Pacific Rim
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Armstrong provides intelligent system solutions that improve utility performance, lower energy consumption,
and reduce environmental emissions while providing an enjoyable experience.
Armstrong International
North America Latin America India Europe / Middle East / Africa China Pacific Rim