ANSI 150# Flange End Globe Valve
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ANSI 150# Flange End Globe Valve Information
Globe valve is a valve that used to permit, stop and regulate the flow in a pipeline system. The disc can be lifting up or lifting down vertically by turn the wheel handle to open position or close position. It is design and manufacture according to ASME B16.10/ASME B16.34/BS 1873/API 602 standard due to different kind of materials. Inspection and testing had been carried out according to API 598 standard. Globe valve is widely install on system that required flow regulating such as fuel oil system and cooling water system.
Material and Design:
ANSI 150# flange end globe valve is available in stainless steel SS316, cast iron A126B, cast steel WCB, and forged steel A105. For ANSI flange end globe valve, the cover is available in bolted cover type where the cover is tighten with the valve body with screws and nuts to hold the internal parts.
There are two design for the stem element, namely rising stem design and non-rising stem design. Rising stem design globe valve is a type of globe valve where the stem will rise and exposed when the valve is turn to open position and lower when the valve is turn to close position. This design allow user to check if the valve is in open position or close position by look at the amount of stem that exposed.
For non-rising stem design globe valve, the valve is in open position when the handle is turning to open position and in close position when the handle is turning to close position. However it is unable to check the position of non-rising stem globe valve compare to rising stem globe valve. This design globe valve is suitable to install on system that have limited space, for example, underground pipeline system.
The size for globe valve is available from 1" to 6", subject to material type. ANSI 150# flange end globe valve can withstand up to 150 PSI working pressure.
The both end of ANSI globe valve is come with ANSI 150# flange connection. The pipe end have to be in the same flange end connection to connect between pipe and globe valve. Some accessories like gasket, bolts and nuts are needed to connect both flange together. The number of bolt hole is depend on globe valve size, for example, 4 bolt hole design for valve size below 4" and 8 bolt hole design for valve size above 4".
For more information regarding globe valves, please refer to en.wikipedia.org/wiki/Globe_valve
For ANSI 150# cast iron globe valves, there are two size ranges of the ANSI 150# cast iron globe valves which are from 2 inches to 4 inches and 5 inches to 6 inches.
For ANSI 150# cast steel globe valves, there are two size ranges which are from 2 inches to 4 inches and 2 1/2 inches.
For ANSI 150# forged steel globe valves, the size range is from 1 inch to 1 1/2 inches.
The working temperature ranges of ANSI 150# cast iron globe valves are ≤ 205°C (for 2"- 4") and ≤ 429°C (for 5"- 6").
The working temperature range of ANSI 150# cast steel globe valves is ≤ 425°C (for both 2"- 4" and 2 1/2").
The working temperature range of ANSI 150# forged steel globe valves is from -29°C to 425°C.
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