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Fisher Emerson Vapor Relief Regulator/Valve 1805-52P, BODY SIZE, 2 FNPT

1805.webp

Part Number : 1805-52P

Brand : Fisher

Type 1805 – relief valve is designed for installation between the First and Second-Stage regulators or in the downstream line from a high-pressure regulator used for a Final-Stage service where high line pressures are allowed. Available in 1 or 2 in. valve bodies with a temperature rating of -20 to 150°F / -29 to 66°C.

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Description
Specifications
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Description

Type 1805 – relief valve is designed for installation between the First and Second-Stage regulators or in the downstream line from a high-pressure regulator used for a Final-Stage service where high line pressures are allowed. Available in 1 or 2 in. valve bodies with a temperature rating of -20 to 150°F / -29 to 66°C. Type 289H – relief valve is designed for installation downstream of larger high-pressure or low-pressure regulators in most all relief applications. The larger diaphragm in this relief valve provides extremely sensitive operation, with a temperature rating of -20 to 150°F / -29 to 66°C. Types 1808 and 1808A – pilot-operated relief valve is designed to protect large high-pressure regulators by offering extremely high relief capacities compared to the Type 289H. The Type 1808 has a temperature rating of -20 to 180°F / -29 to 82°C.

Type 1805

Type 1805 – relief valve is designed for installation between the First and Second-Stage regulators or in the downstream line from a high-pressure regulator used for a Final-Stage service where high line pressures are allowed. Available in 1 or 2 in. valve bodies with a temperature rating of -20 to 150°F / -29 to 66°C.

Downloads

Fisher Regulators Datasheet

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Specifications

BODY SIZE, IN.
2 FNPT
RELIEF START-TO-DISCHARGE, psig
40
RELIEF START-TO-DISCHARGE, bar
2.75
SPRING RANGE, psig
10 to 50
SPRING RANGE, bar
0.69 to 3.4
PRESSURE BUILDUP OVER SET PRESSURE, psig
15
PRESSURE BUILDUP OVER SET PRESSURE, bar
1.03
CAPACITY (AIR), SCFH
14245 at 55 psig
CAPACITY (AIR), Nm3/h
381.77 at 3.79 bar
Brand
Fisher

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