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 -10-80ºC
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.
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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