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Pressure Relief Valve

The Flange Pressure Relief Valve by BAIAN is pilot-controlled, designed to automatically relieve excess pressure in fire protection systems, maintain steady discharge pressure, offer adjustable settings, and features a max 16 bar pressure with epoxy coating.

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Description

Flange Pressure Relief Valve

MATERIAL SPECIFICATION
No.	Description	Qty	Material
1	Valve body	1	Ductile Iron
2	Valve core assembly	1	Ductile Iron+NBR
3	Bolt	N	SS304
4	Flat washers	N	A2
5	Spring	1	201
6	Valve Cover	1	Ductile Iron
7	Needle valve DN15	4	Brass Alloy
8	Copper tube cap	5	Brass Alloy
9	Copper Tube # 10*1	1	Brass Alloy
10	90°C Elbow	1	Brass Alloy
11	Tee	1	Brass Alloy
12	Pressure gauge connection	1	Brass Alloy
13	Copper Tube # 10*1	1	Brass Alloy
14	SS304 Pressure Gauge 2.5Mpa	2
15	Pressure relief pilot valve DN15	2	Brass Alloy

DIMENSIONS
SIZES		Dimension L mm
mm	inch
DN40	1 1/2’’	211
DN50	2’’	211
DN65	2 1/2’’	236
DN80	3’’	255
DN100	4’’	289
DN125	5’’	311
DN150	6’’	355
DN200	8’’	426
DN250	10’’	485
DN300	12’’	530

TECHNICICAL PARAMETERS
Nominal pressure	PN16
Strength test pressure bar	24
Sealing test pressure bar	17.6
Voltage regulation range bar	1~16
Factory pressure bar	16
Media	water
Temperature	0℃~ 80℃

PRODUCT DESCRIPTION

BAIAN brand Pressure Relief Valve is designed specifically to automatically relieve excess pressure in fire protection pumping system .Pilot controlled ,it maintains constant system pressure at the pump discharge within very close limits as demands change.

FEATURES

1.Fast Opening to Maintain Steady Line Pressure
2.Accommodates Wide Range of Flow Rates
3.Closes gradually for surge- free operation
4.Adjustable Pressure Settings ,Not Affected by Pressure at Valve Discharge

WORKING PRESSURE

Maximum working pressure 16 bar (230psi)

STANDARD

Product testing is carried out in accordance with GB/T13927 Industrial valve pressure test

SET PRESSURE

Factory pre-set outlet pressure to 10 bar (144psi)

TEMPERATURE RANGE

0 °C to 80°C

COATING

Fusion Bonded Epoxy Coating

OPERATION REQUIREMENTS

1.A filter must be installed before the pressure relief pressure holding valve
2.When adjusting, the screw on the pilot valve should be withdrawn, the water pump should be started to let water out of the pressure relief valve, and the adjusting screw should be gradually screwed in to gradually increase the pressure until the pressure to be set is reached. After adjustment, tighten the locking nut.

Pressure relief Valve