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6.3 Open Bonnet Pressure Relief Valve with radiator and lever
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Place of Origin:


Brand Name:

KEBV (OEM available)

Model Number:




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  • Product Description

KEBV Open Bonnet Pressure Relief Valve with radiator and lever is applicable for steam, air N2, H2 under working temperature 400 degree C and equipped with corrosion resistant trim and a carbon steel body, bonnet and cap. The components are top guided, providing for free and repeatable action. The nozzle is bottom inserted and rigidly held in position, providing a corrosion resistant path of flow to the valve and corrosion resistant seating surfaces.


Technical Specifications

Technical Specifications of Open Bonnet Pressure Relief Valve with radiator and lever   

Size Range

Pressure Range

Class 150-NPS 1/2”-24”     Class 300-NPS 1/2”-20”

Class 600-NPS 1/2”-16”     Class 900-NPS 1/2”-12”

Class 1500-NPS 1/2”-8”     Class 2500-NPS 1/2”-6”

Design Feature

Spring Loaded

Fully open

Open Bonnet with radiator and lever

High Capacity 

NACE MR-01-75

Body Material

WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9

Disc Material

F304, F316, F304L, F316L, F51

Nozzle Material

SS304, SS316, SS304L, SS316L(PTFE, PPL, PEEK can be coated)

Applicable Standards

Design & Manufacture: ASME Ⅷ、API520API526

Face to Face: API520ASME


Flange end: ASME B16.5

BW end: ANSI B16.25

(Other connections on customers’ request)

Test: API527, API576



Automatically open


Air, gas, oil, water, steam


Minimum Order Quantity:

1 PC

Warranty Period

12 months

Packaging Details:

Plywood Case

Delivery Time:

30 days After receiving deposit

Payment Terms:

T/T, LC at sight

Supply Ability:

500 PCS/Month

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