 |
| ASTAM SUPER CHECK is identified with the following marks: |
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| |
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Example:
Dual-Plate Wafer Check
Valve, ANSI 12"-150#,
R.F End,
WCB BODY, CF8 PLATE, EPDM SEAT
S.S 316 SPRING LOW TORQUSE. |
................................................................................................................................................................................... |
| TYPE |
C1 |
Dual-Plate
Wafer Check Valve |
C2 |
Dual-Plate
Wafer Check Valve for by-pass |
C3 |
Dual-Plate
Double-Flanged Wafer Check Valve |
C4 |
Dual-Plate Full-Flange
Wafer Check Valve |
|
................................................................................................................................................................................... |
| SERIES |
STANDARD |
SYMBOL |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
ANSI |
A |
|
125* |
250* |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
JIS |
J |
5 |
10* |
16 |
10 |
20 |
30 |
40 |
63 |
100 |
--- |
ISO,BS |
S |
10 |
16* |
25 |
16* |
40 |
64 |
100 |
160 |
250 |
320 |
|
| NOTE:"¡¯"means
only for CAST IRON Valve. |
................................................................................................................................................................................... |
| MATERIAL
DESCRIPTION |
END
CONNECTION |
SYMBOL |
ANSI |
JIS |
C
D
D1
|
A126
Class B
A536 65-45-12
A395
|
G5501
FC250
G5502 FCD450
B8270 FCD-S |
W
L |
A216
Gr.WCB
A352 Gr.LCB |
G5151
SCPH2
G5152 SCPL1 |
S1
S3
S4
SL |
A217
Gr.CA15
A351 Gr.CF8
A351 Gr.CF8M
A351 Gr.CF3M |
G5121
SCS1
G5121 SCS13
G5121 SCS 14
G5121 SCS16 |
B
A |
B584
C83600
B148 C95800 |
H5120
CAC406
H5120 CAC703 |
Other
materials are available upon request. |
|
SYMBOL |
FINISH |
Flat
Face (F.F.) |
F |
63AARH |
Raised
Face (R.F.) |
R |
125~250
AARH |
Ring
Joint (R.J.) |
J |
63AARH |
Accordance
with MSS. SP.6 and / or ANSI B16.5 |
................................................................................................................................................................................... |
| (SEAL.SEAT) |
Spring Torqsue |
SYMBOL |
DESIGNATION |
TEMPERATURE |
N
C
E
F |
NBR
(BUNA-N)
CR
(Neoprene)
EPDM
(EPT)
FPM
(VITON-A) |
0~80¢J
-10~80°C
-10~100°C
-30~150°C |
O
S6
S1
6 |
Matel
to Matel
S.S.
316 Overlay
13%Cr.
Overlay
Stellite 6# Overlay
|
-268~538¢J |
|
Torque
Type |
SYMBOL |
REMARKS |
Standard |
No Mark |
Liquid:
Max. 90mAq,
Gas: Max.1kg/cm2 |
LOW |
L |
Gas:
Max. 1kgs/cm2 |
|
................................................................................................................................................................................... |
| Dual-Plate Wafer Check Valves
of FLOW COEFFICIENT:(CV Value) |
DN
|
40A |
50A |
65A |
80A |
100A |
125A |
150A |
200A |
250A |
300A |
350A |
(NPS) |
1-1/2" |
2" |
2-1/2" |
3" |
4" |
5" |
6" |
8" |
10" |
12" |
14" |
CV |
46 |
72 |
132 |
180 |
380 |
635 |
864 |
1650 |
3017 |
4280 |
5790 |
DN
|
400A |
450A |
500A |
550A |
600A |
>650A |
700A |
750A |
800A |
850A |
900A |
(NPS) |
16" |
18" |
20" |
22" |
24" |
26" |
28" |
12" |
14" |
16" |
18" |
CV |
7922 |
10642 |
13400 |
19500 |
23500 |
25000 |
30000 |
37200 |
45000 |
51000 |
59000 |
DN
|
950A |
1000A |
1050A |
1100A |
1150A |
1200A |
1250A |
1300A |
1350A |
(NPS) |
20" |
22" |
24" |
26" |
28" |
24" |
26" |
28" |
24" |
CV |
70000 |
81000 |
90000 |
100000 |
116500 |
136100 |
139200 |
143500 |
154000 |
|
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