Gas valves for LPG(NG, NH3) and cryogenic valves
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Gas valves for LPG(NG, NH3) and cryogenic valves |
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Emergency shut-off valve 20kg/cm2 |
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Model: WEV-4121(LPG), WEV-4221(NH3) |
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Products Detail |
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MODEL NO : WEV-4121(L.P.G), WEV-4221(NH3)
* REMARK
1. Approved by Korea Gas Safety Corp.(KGS) 2. Material is to be changed in case of NH3 3. Please contact us when applying for other gases |
- Application : It is operated by air pressure when emergency situation happens.
- Hydrostatic test pressure : 30kg/㎠
- Pneumatic test pressure : 20kg/㎠
- Pneumatic cylinder working pressure : 3~5kg/㎠
- Pneumatic connector : PT 1/4
- Melting temperature of fuse matal : 75℃
- Fluid : L.P.G, NG, NH3
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NO |
PART NAME |
MATERIAL |
NO |
PART NAME |
MATERIAL |
1 |
BODY |
SCPH2 |
17 |
WASHER |
STS304 |
2 |
GLAND NUT |
SCPH2 |
18 |
SPRING WASHER |
STS304 |
3 |
CYLINDER |
SCS13A |
19 |
NUT |
STS304 |
4 |
CYLINDER CAP |
SCS13A |
20 |
FUSE METAL |
C3604B/Pb |
5 |
PISTON |
C3604B |
21 |
BUSH |
C3064B |
6 |
BONNET |
S45C |
22 |
CAP |
P.V.C |
7 |
SPINDLE |
STS304 |
23 |
NAME PLATE |
STS304 |
8 |
BUSH DISK |
C3604B |
24 |
O - RING |
N.B.R |
9 |
SPRING |
STS304 |
25 |
O - RING |
N.B.R |
10 |
SPRING DISK |
STS304 |
26 |
O - RING |
N.B.R |
11 |
VALVE DISK |
STS304 |
27 |
O - RING |
N.B.R |
12 |
WASHER |
STS304 |
28 |
O - RING |
VITON |
13 |
VALVE SEAT |
P.T.F.E |
29 |
O - RING |
VITON |
14 |
BACK SEAT |
P.T.F.E |
30 |
PACKING |
P.T.F.E |
15 |
NYLON NUT |
STS304 |
31 |
SET SCREW |
STS304 |
16 |
GASKET |
ASBESTOS |
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SIZE |
H |
L |
d |
C |
D |
t |
f |
n-h |
25A |
225 |
203 |
25 |
90 |
125 |
15 |
1 |
4-19 |
50A |
275 |
267 |
50 |
120 |
155 |
16 |
2 |
8-19 | |
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