Home Valve Products Closed Spring Loaded Full Bore Type Safety Valve (A47H-16C) / Pop-off Valve/ Pressure Relief Valve
Closed Spring Loaded Full Bore Type Safety Valve (A47H-16C) / Pop-off Valve/ Pressure Relief Valve
| Price: |
Negotiable/Piece |
| Trade Terms: |
FOB,CFR,EXW |
| Min Order: |
1/Piece |
| Pay Type: |
L/C,T/T,D/P,Western Union,Paypal |
This safety valve are used for the equipment and pipeline of the steam, air etc medium what the working temperature are less than 350Celsius degree. Take for extra pressure protection devices. Flange connecting dimensions of comply with Standard series one of JB/T-94.
Structure and function of spring type safety relief valve
Working principle of spring type safety valve
Low temperature spring type safety valve
Safety reflux valve (return valve; Reverse flow valve)
Vacuum negative pressure valve
Model selectionof safety relief valves
Our other related products: Level gauges, flow meters, pressure transmitters, indicators, industrial system.
Spring safety valves' working principle:
Spring type safety relief valve works through adjusting spring force to prevent medium pressure and realize sealing purpose. Under the condition of spring force greater than medium's normal pressure, valve disc is at the close state, when medium pressure exceeds the set pressure, the spring is compressed, and lead the disc sealing faces separated, the valve open automatically, and relief pressure; When medium pressure reduced to normal pressure, the valve disc go back to valve seat under the spring force, disc sealing faces and valve seat sealed again, the valves close automatically.
Safety reflux valve (return valve; Reverse flow valve)
Usage
Reflux valves install at the liquid reflux pipe of LPG tank pump outlet. When the front pump pressure greater than rated value, safety reflux valve reduce pressure& back flow.
|
NO. |
Name of part |
Materials |
|
1 |
Body |
WCB |
|
2 |
Nozzle |
ZG2Cr13 |
|
3 |
Adjusting ring |
ZG2Cr13 |
|
4 |
Disc |
2Cr13 |
|
5 |
Guide sleeve |
2Cr13 |
|
6 |
Bonnet |
ZG230-450 |
|
7 |
Spring |
50CrVA |
|
8 |
Stem |
2Cr13 |
|
9 |
Lever |
ZG200-400 |
|
10 |
Adjusting bolt |
45 |
|
11 |
Cap |
ZG200-400 |
|
Sealing surface of material |
"H" D507 , "Y" Co
"H" type Depositing D507, "Y" type Depositing stellite
|
| Prod Model: |
A47H-16C |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: |
Spring Type |
Tianjin U-ideal Instrument Co., Ltd is a professional supplier of level instruments, flow meters, gates valves, pressure control valves, pneumatic and electric control ball valves, check valves, globe valve, pressure reducing and sustaining valve and steam traps and strainers from year 2006, are one of the repute' S manufactures in China, We have been cooperated with many famous companies all over the world, and quantities are satisfy all of our customers. Our products have passed the CE, GS, ISO9001 approvals.
Fluid water level switch(float switch, radar level switch, ultrasonic level switch, vertical level switch, horizontal level switch, flange level switch, thread level switch), tank gauges (Magnetic level gauges, glass tubular level gauges, sight glass level indicator, transparent level meter and reflective level gauge, weld glass water meter, oil level meter, fuel level control and indicator), drop-in type level sensor(cable level sensor, pole level switch, hydrostatic pressure level sensor and level transmitter, capacitive level sensor, ultrasonic level transmitter, non-contact level meter and float level transmitter) tank flange level indicators, radar RF level meter and so on.
Flow meters: Metal rotary flow meters(float flowmeter, rotameter, gas rotameter, bypass rotameter), vortex flow meters (steam vortex flowmeter) flow sensor, flow switches and liquid and gas turbine flow meters, conductive fluid electromagnetic flow meters, PD flow meter such as oval gear wheel flow meters, roots flow meters) precession vortex gas flow meters, flow sensor and other flowmeasurement instruments.
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Safety valve, pressure control valve, safety relief valve, pressure relief valve, pressure transmitters, pressure gauge, temperature gauge
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