Description

Cashco Model B2 Back Pressure Regulator

1/4”– 1/2” (DN8 – DN15)
The  Cashco Model B2 is designed for gases and liquids with
control ranges up to 750 psig (51.7 Barg). Flow coefficient of
0.05, 0.10, 0.20, and 0.30 are available. This versatile back
pressure regulator can be ordered with a variety of options
to meet your system demands.

GENERAL SPECIFICATIONS

Inlet / Outlet Size: 1/4”, 3/8” & 1/2″ (DN8, DN10 & DN15)

Cv Capability: 0.05, 0.1, 0.2 and 0.3

Inlet Pressure (working pressure): 1-750 psig (.07-51.7 Barg) 1-250 psig (.07-17.2 Barg) for Sanitary Service See Position 11

Body End Connections: FNPT or Tube Ends ,Tri-Clamp -1/2″ (DN15) Only

Body / Spring Chamber Material: 316L SST/316L SST, Brass/6061 AL, Brass/316L SST
Sanitary Construction: Interior of body surface Electro Polished to 16 micro-inch Ra finish with Electro Polished exterior.

Wetted Material: See Position 6
Temp. Limits:
TFE – -45 to 400 F (-42.7 to 204 C)
Kalrez – -45 to 575 F (-42.7 to 301 C)
FKM – -20 to 300 F (-28.9 to 149 C)

Range Spring Material: Std: Steel, Sanitary Service: SST

Composite Knob (Standard): -50 to 200 F (-45.6 to 93 C)
For temperatures outside
(Std.) knob range see Options for Colored Knobs.

Operating Temp. Range:
Brass – -20 to 400 F (-28.9 to 204 C)
SST – -20 to 500 F (-28.9 to 260 C)

TYPICAL APPLICATIONS

• Economizer Circuit
• Analyzer Back Pressure
• Suitable for Corrosive
• Suitable for High Purity Gas

FEATURES

• Accurate Adjustment
• Low Internal Volume
• Low Operating Torque
• Suitable for corrosive applications

FUNCTIONAL PERFORMANCE

Temperature Coefficient: 0.16 psig/ F (0.01Barg C)
Design Proof Pressure: 2 x working pressure
Internal Volume: 6.9 cc
Design Leakage:
Outboard – 1×10-9 scc/sec He
Inboard – 1×10-9 scc/sec He

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