Globe control valve for cryogenic temperatures
A
Pump Engineering product story
Edited by the Engineeringtalk editorial team
Oct 27, 2000
An extended bonnet globe control valve which is designed to operate in applications where temperatures are in the cryogenic range (to minus 268degC), is available from Pump Engineering
An extended bonnet globe control valve which is designed to operate in applications where temperatures are in the cryogenic range (to minus 268degC), is one of a range of control valves supplied by liquids handling specialists Pump Engineering.
The Badger Meter Reco valve, type RC260, is available in bonnet lengths from 14" up to 60", for either 1/4" or to 1" process line sizes.
It is specially designed for control of extremely cold or hot fluids and gases, for example in industrial processes involving liquid CO2, liquid hydrogen and nitrogen.
In cryogenic applications, with temperatures to -268degC, the 14" bonnet design of this valve serves to extend the packing area, as well as allowing room for insulation around the valve body and bonnet.
This also facilitates cold box mounting.
A casing flange is available as an option should sealing around a cold box be required.
Other versions are available which enable easy removal of the inner-valve and seat from outside the cold box.
In hot applications, the extended bonnet permits standard TFE packing to be isolated, and therefore protected from extreme temperatures.
Standard features include wide range of interchangeable trims, choice of linear or equal % on most trims, TFE chevron ring packing, ANSI chevron ring packing and guided inner-valve.
The valve can also be supplied with a number of optional features including various flange sizes including 1" to 1/2" on 1/2" valves, socket weld and butt weld joints, bellows stem seal, casing flange, angle pattern body, graphite packing.
Body and bonnet materials are 316 stainless steel with Monel, Hastelloy C or ASTM equivalent available as options.
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