Fisher/Fisher Series 289 Pressure Relief Valve or Back Pressure Regulator

Create Date: 2024-8-30 12:03:23|Source: Fisher

  • Brand:
    Fisher
    Origin:
    United States
    Price:
    Please contact customer service
    Delivery time:
    Please contact customer service
    Model:
    289 series
    Product Introduction
    The Fisher Series 289 Pressure Relief Valve is a spring-loaded, throttled pressure relief valve that can be used as a downstream pressure regulator to prevent overpressure in the system
Product Description
The Fisher Series 289 Pressure Relief Valve is a spring-loaded, throttled pressure relief valve that can be used as a downstream pressure regulator to prevent overpressure in the system. Smooth throttling during pressure relief operation minimizes pressure shocks in the system. The Series 289 pressure relief valve is ideal for low pressure settings due to the large membrane area for higher sensitivity. The Series 289 pressure relief valve is designed for pressure control; They are not suitable for use as ASME safety vents.
Fisher/Fisher Series 289 Pressure Relief Valve or Back Pressure Regulator
specification

Body Size & Port Connections Models 289A and 289U: 1/4 NPT

Type 289H: 1,2 NPT

Type 289HH: 1 NPT

Model 289L: 3/4, 1 NPT

Model 289U: 1/4 NPT

Allowable relief (inlet) pressure 100 psig / 6.9 bar

Relief set pressure range (5 models) 5" WC to 50 psig / 25mbar to 3.5 bar

Pressure method: Internal pressure

Temperature range Nitrile (NBR) and neoprene (CR): -20 to 150°F / -29 to 66°C Fluoroelastomer (FKM): 20 to 300°F / -7 to 149°C 289H and 289HH models only

Approximate weight 289A & 289U: 0.75 lb/0.3 kg

Model 289H: 1 NPT - 4 lb/2 kg, 2 NPT - 15 lb/7 kg

Model 289HH: 4 lb/2 kg

This article introduces the Fisher/Fisher 289 series pressure relief valve or back pressure regulator products, if you are interested in Fisher/Fisher pressure regulators, please also contact our customer service, we look forward to your call, hope our technology and service can bring you a better experience.

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