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Brass Pressure Relief Valve

Brass Pressure Relief Valve

1/2’’ 3/4’’ Boiler use brass pressure relief valve 1. Features and specification of pressure relief valve Maxi. static pressure 10bar Preset nominal pressure 2.5-3-6-7-8bar Minimum sealing pressure -5% of the preset Over pressure 10% of the preset Reset value -20% of the preset Operating...

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1/2’’ 3/4’’ Boiler use brass pressure relief valve

 

1. Features and specification of pressure relief valve

  • Maxi. static pressure            10bar

  • Preset nominal pressure      2.5-3-6-7-8bar

  • Minimum sealing pressure   -5% of the preset

  • Over pressure                      10% of the preset

  • Reset value                          -20% of the preset

  • Operating temperature       -10-80℃

  • Female connections with reinforced outlet

 


2. Dimension

Dn

Dn1

H

H1

H2

L

D

1/2’’

1/2’’

66

23.5

9

28

31

1/2’’

3/4’’

68.5

26

9

30

31

3/4’’

3/4’’

68.5

26

9

30

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

Top disc

ABS

13

O-ring

EPDM

14

Plug

Nylon

 

4. Description of pressure relief valve

The pressure relief valve is a very important part to keep the pipe line in a safety condition . Widely used for boiler ,pressure vessel and other system. When the pressure inside the system is up to the limit, the valve will exhaust the pressure automatically.


5.Certification of Huibo

Huibo-valve-certification_.jpg

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