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Fisher Emerson Vapor Relief Regulator/Valve 1805-18P, BODY SIZE, 1 FNPT

1805.webp

Part Number : 1805-18P

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

Download

Specifications

BODY SIZE, IN.
1 FNPT
RELIEF START-TO-DISCHARGE, psig
15
RELIEF START-TO-DISCHARGE, bar
1.03
SPRING RANGE, psig
5 to 35
SPRING RANGE, bar
0.34 to 2.41
PRESSURE BUILDUP OVER SET PRESSURE, psig
15
PRESSURE BUILDUP OVER SET PRESSURE, bar
1.03
CAPACITY (AIR), SCFH
6160 at 30 psig
CAPACITY (AIR), Nm3/h
161 at 2.07 bar
Brand
Fisher

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