Description
The Model 2171 is a stainless steel back pressure/relief regulator designed to handle small to mid-ca pacity flow rates in general, chemical or cryogenic services. This unit is capable of controlling inlet pressure to setpoint levels between 5 and 500 psig (.34 and 20.6 Barg).
Features:
High Stability: High mass plug allows dampening of high frequency disturbances from inlet or outlet side of regulator.
Trim Removal: Easily removable trim from valve while in-line by removing screwed-on spring chamber.
Trim Selections: Seven different trim combinations for metallic or composition seated designs.
Flow-thru Angle Design: Two side inlet ports; Bottom outlet port.
Globe Design 1/2″ Size: One side inlet port; one side outlet port.
LINE SIZES AVAILABLE: 1/4” (DN8), 3/8” (DN10) 1/2” (DN15)
END CONNECTIONS: NPT
COMMON APPLICATIONS: INDUSTRIAL GASES, AIR, OIL, STEAM, WATER, CHEMICALS
DESIGN PRESSURE INLET STANDARD: UP TO 300 psig (20.7 Barg)
Applications:
Model 2171 by Cashco is designed to control a wide range of fluids including industrial gases, air, oil, steam, water and many chemicals. See Table 1 for more information. Available for cryogenic service and NACE applications.
CRYOGENIC SERVICE. Includes SST body and spring chamber. All wetted internal parts are of SST materials suitable for cryogenic service.
The range spring, adjusting screw and lock nut are SST; the spring button and pressure plate are brass. TFE/SST spring loaded seal for diaphragm and pressure plate. Cleaned per Cashco Spec. #S-1134. Suit able for cryogenic flu ids from –325°F to +100°F (-198° to +38°C). The spring chamber has a 1/8” (DN6) NPT female connection for purge gas plus a 1/8” (3.2 mm) drilled drain hole. Mount in horizontal piping with the adjusting screw oriented down wards. Suitable for in let setpoint pressures up to 200 psig (13.8 Barg).
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