2.5-8 bar 1/2'' 3/4'' Boiler use brass pressure relief valve
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- 80ºC
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.
Certificate
Production Line
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About us
We are specialized in HAVC system parts and brass valve fields for more than 25 years, Our main products cover brass manifold, radiator valve, motorized valve, ball valve, gate valve,check valve, stop valve, safety valve, air vent valve, brass fitting and so on with more than 40 series and 2000 varieties.
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