200X Pressure Relief Valve
Product overview
Product model: 200X
Nominal diameter: DN50~1000mm
Nominal pressure: 1.0~2.5MPa
Applicable medium: water
Applicable temperature: 0~80℃
Structure length standard: GB/T12221-2005
Standard of connection flange: GB/T9113
Pressure and temperature grade: GB/T12224-2005
Test inspection standard: GB/T13927-2008
200X Pressure Relief Valve (adjustable pressure reducing valve) Structural features and uses:
200X Pressure Relief Valve (adjustable pressure reducing valve) Working principle:
When the valve from the inlet side of the water, the water flow
through the needle valve into the main valve control room, the outlet
pressure through the conduit to the pilot valve. When the outlet
pressure is higher than the set value of the pilot valve, the pilot
valve is closed. Control room to stop drainage, then the main valve
control room pressure and shut off the main valve, the outlet pressure
is no longer increased.
When the valve outlet pressure drops to set the pilot valve spring
pressure, pilot valve open, the control room to the downstream
drainage. As the pilot valve system displacement is greater than the
needle valve inlet, the main valve control room pressure drop. Import
pressure to open the main valve. In a steady state, the control room
water, the same drainage, the main valve opening unchanged, the outlet
pressure is stable. Adjust pilot valve spring to set outlet pressure.
200X Pressure Relief Valve main technical parameters:
|
Nominal pressure (Mpa) |
Shell test pressure (MPa) |
Seal test pressure (MPa) |
The maximum inlet pressure (MPa) |
Export adjustable pressure (MPa) |
Suitable media |
Medium temperature (℃) |
|
1.0 |
1.5 |
1.1 |
1.0 |
0.09-0.8 |
water |
0-80 |
|
1.6 |
2.4 |
1.76 |
1.6 |
0.10-1.2 |
||
|
2.5 |
3.75 |
2.75 |
2.5 |
0.15-1.6 |
200X Pressure Relief Valve main parts material:
|
Part Name |
Parts and materials |
|
Body valve cover |
WCB |
|
Valve seat disc |
Copper alloy |
|
O-ring seals |
Nitrile rubber |
|
Valve stem |
2Cr13 |
|
spring |
50CrVA |
|
Needle valve |
Copper alloy |
|
Ball valve |
Copper alloy |
|
Pilot valve |
Copper alloy |
|
Micro filter |
stainless steel |
200X Pressure Relief Valve connection size (PN 1.0-2.5MPa):
|
Nominal diameter DN |
L |
H |
H1 |
A |
B |
|
50 |
250 |
335 |
90 |
170 |
170 |
|
65 |
280 |
345 |
98 |
180 |
180 |
|
80 |
310 |
355 |
110 |
190 |
190 |
|
100 |
350 |
365 |
120 |
200 |
200 |
|
125 |
400 |
445 |
145 |
215 |
215 |
|
150 |
450 |
460 |
155 |
230 |
230 |
|
200 |
550 |
505 |
190 |
255 |
255 |
|
250 |
650 |
550 |
250 |
295 |
295 |
|
300 |
800 |
710 |
290 |
325 |
325 |
|
350 |
900 |
725 |
330 |
380 |
380 |
|
400 |
1000 |
760 |
360 |
415 |
415 |
|
450 |
1000 |
810 |
445 |
435 |
435 |
|
500 |
1100 |
865 |
495 |
460 |
460 |
|
600 |
1100 |
935 |
550 |
520 |
520 |
|
700 |
1450 |
1000 |
605 |
570 |
570 |
|
800 |
1560 |
1100 |
730 |
620 |
620 |
|
900 |
1800 |
1205 |
800 |
670 |
670 |
|
1000 |
2000 |
1330 |
910 |
830 |
830 |
Reminder:
All text, data and pictures in this article are for reference only.To see more details of the 200X Pressure Relief Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.
Headquarters Tel: +86-021-57278880
Sales Tel: +86-021-57278881
Fax: +86-021-57278882
E-mail: baigangvalve@163.com
Site: www.nqqpojn.cn
Add: Tinglin Industrial Park, Jinshan District, Shanghai
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