Find Direct Acting Bellows Prv, Pressure Reducing Valve, Bellows Pressure Reducing Valve on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.
Product Description
Temperature: Ordinary Temperature Valve Seat: Single-Seat Material: Wcb Size: 1"-20" Suitable Medium: Steam Transport Package: Plywood Case Origin: China Connection: Flange Structure: Piston Valve: Pressure Reducing Valve Pressure: 150lb Trademark: YI CHEN Specification: CE API ISO HS Code: 8481804090 YI CHEN Gas Pressure reducing valve Structural characteristic and purpose his series reducing valve is pilot piston type reducing valve, mainly composed of main valve and pilot valve. The main valve consists f valve seat, main valve disc, piston, cylinder sleeve, and spring. The piston valve consists of valve seat, valve flap, membrane, spring nd adjusting spring. Set the outlet pressure through adjusting spring, sense the change of pressure of outlet with membrane, adjust the ow area of throttling part of main valve through open and close of pilot valve and drive the piston, to realize the function of reducing nd regulating valve. he product is mainly applied on gas piping, such as air, nitrogen, oxygen, hydrogen, liquefied gas, and natural gas.
Name of component
Material of component
Valve body, valve cover, seat cover
WCB/FCB*
Valve seat, valve disc
2Cr13/304*
Cylinder sleeve
25 (hard chrome plating)/304*
Piston
2Cr13 /copper alloy*
Piston ring
Alloy cast iron/ polyphenyl*
Pilot valve seat, pilot valve rod
2Cr13/304*
Membrane
1Cr19Ni9Ti
Spring of main valve and pilot valve
50CrVA
Adjusting valve
60Si2Mn
Sealing gasket (X/F model)
Rubber/PTFE
Pilot valve body, pilot valve cover
25/304*
main technical parameters and indexes of performance material of main component
ominal pressure (Mpa)
1.6
2.5
4.0
6.4
10.0
16.0
ested pressure of shell(Mpa)
2.4
3.75
6.0
9.6
15.0
24
ealing test pressure (Mpa)
1.6
2.5
4.0
6.4
10.0
16.0
ax. inlet pressure (Mpa)
1.6
2.5
4.0
6.4
10.0
16.0
ressure range of outlet(Mpa)
0.1-1.0
0.1-1.6
0.1-2.5
0.5-3.5
0.5-3.5
0.5-4.5
ifference of pressure characteristic (Mpa)△P2P
GB12246-1989
ifference of flow characteristic (Mpa) △P2G
GB12246-1989
in. differential pressure(Mpa)
0.15
0.15
0.2
0.4
0.8
1.0
eakage quantity
X/F:0 Y:GB12245-1989
N
15
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
500
V
1
2.5
4
6.5
9
16
25
36
64
100
140
250
400
570
780
1020
1500
fltohwe schoeelflfitecisetndto(eCs vn)ot include membrane and top cover. external dimension unit:mm *The material for oxygen. External dimension unit:mm connecting manner:
DN
external dimension
L
H
H1
1.6/2.5Mpa
4.0Mpa
15
160
180
290
90
20
160
180
300
98
25
180
200
300
110
32
200
220
300
110
40
220
240
320
125
50
250
270
320
125
65
280
300
325
130
80
310
330
365
160
100
350
380
365
170
125
400
450
475
200
150
450
500
475
210
200
500
550
515
240
250
650
560
290
300
800
705
335
350
850
745
375
400
900
780
405
450
900
730
455
500
950
835
465
DN
external dimension
L
H
H1
6.4Mpa
10.0/16.0Mpa
15
180
180
300
100
20
180
200
310
105
25
200
220
310
120
32
220
230
310
120
40
240
240
335
135
50
270
300
335
135
65
300
340
340
140
80
330
360
380
170
100
380
380
185
125
450
490
215
150
500
490
225
200
550
535
260
250
650
580
310
300
800
725
355
350
850
765
395
400
900
800
435
500
950
855
495
flange: RF FM RJ standard: JB79 GB9113 ANSI B16.5
Notice of order : Product model Nominal pressure nominal latus rectum Connecting flange standard Rated flow coefficient (Cv) Inlet pressure Range of pressure adjusting Working medium and temperature of medium FAQ 1.Q:What is your main market? A:Our main market is North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe. 2.Q:Are there products standard? A:Our model is standard, if you have specific demand, pls tell us. 3.Q:Do you have interest to do our own design items? A:Absolutely!It's our pleasure. Our Services 1)Our advantage: We are the manufacturer with almost 20 years experience on valves.Best price,quality and service, Also we can control the production status.Shanghai YI CHEN team with strong ability in designing and after sell service.Cooperation with Carrier has improved our quality to a new level. 2)Terms of payment:T/T, L/C, Western union. 3)Shipment:Average 20-25days after receiving deposit. 4)Delivery:Shanghai/Ningbo ,by sea or air. 5)Gurantee:One year since delivery. 6)Inspection:100% testing for all the valves. 7) All kinds of CERTIFICATE OF ORIGIN. Welcome to choose SHANG HAI YI CHEN , we are always ready!
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