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2.5-8 Bar Pressure Relief Valve

2.5-8 Bar Pressure Relief Valve

2.5-8 bar 1/2’’ 3/4’’ Boiler use brass pressure relief valve with pressure gauge connection 1. Features and specification of pressure relief valve Media Water & Air Maxi. static pressure 10bar Preset nominal pressure 2.5 to 8bar Minimum sealing pressure -5% of the preset Over pressure 10% of...

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2.5-8 bar 1/2’’ 3/4’’ Boiler use brass pressure relief valve with pressure gauge connection

 

1. Features and specification of pressure relief valve

  • Media                                     Water & Air

  • Maxi. static pressure              10bar

  • Preset nominal pressure        2.5 to 8bar

  • Minimum sealing pressure   -5% of the preset

  • Over pressure                       10% of the preset

  • Reset value                           -20% of the preset

  • Temperature range              5- 80℃ 

  • Female thread apply with ISO228/1

 


2. Dimension

Dn

Dn1

Dn2

H

H1

H2

L1

D

1/2’’

1/2’’

1/4’’

71

23.5

14

24

31

3/4’’

3/4’’

1/4’’

74.5

27

16.5

24

31

 

3. Material specification of pressure relief valve

No.

Part Name

Material

1

Body

Brass

2

Diaphragm

EPDM

3

Stem

Brass

4

Plate

Nylon

5

Gasket

Red vulcanized fiber

6

Inferior plug

Nylon

7

Spring

Spring steel

8

Spring plug

Brass

9

Handle

Nylon

10

Washer

Steel

11

Screw nut

Steel

12

Switch

AI.

13

O-ring

EPDM

14

Plug

Nylon

 

4. Description of pressure relief valve

This type pressure relief valve could connect with a pressure gauge. Its widely used in hot water system to protect the hot water circling. It could protect the boiler and other components away from the damage which caused by high pressure.


5. Certification of Huibo valve

Huibo-valve-certification_.jpg

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