Applicable Standards
★Steel Check Valves, API 594
★Steel Check Valves, ISO 14313
★End Flanges, ASME B16.5
★Inspection and Test, API 598
Design Description
▲One Plece Body
▲Lift Type
▲Horizontal or Vertical Service
▲Available With Flanged Ends
Standard Material Specifictions
| No. |
Part Name |
ASTM Material |
| Carbon Steel |
1.25Cr-0.5Mo |
2.25Cr-1Mo |
304 Type |
316 Type |
304L Type |
316L Type |
20 Alloy |
| 1 |
Body |
A216 WCB |
A217 WC6 |
A217 WC9 |
A351CF8 |
A351 CF8M |
A351
CF3 |
A351
CF3M |
A351
CN7M |
| 2 |
Plate |
WCB+13Cr*1 |
A217 WC6+HF |
A217 WC9+HF |
A351
CF8 |
A351 CF8M |
A351
CF3 |
A351
CF3M |
A351
CN7M |
| 3 |
Back Spring |
Si-Mn steel |
Cr-V Steel |
Cr-V Steel |
A313 304 |
A313 316 |
Inconel 750 |
Inconel 750 |
Inconel 750 |
| 4 |
Retain Yoke |
A105 |
A182 F11 |
A182 F22 |
304 SS |
316 SS |
304L SS |
316L SS |
20-Alloy |
|
Seat Face |
13Cr*1 |
HF |
HF |
NA |
NA |
NA |
NA |
NA |
|
Eyebolt |
Carbon Steel |
Carbon Steel |
Carbon Steel |
Carbon Steel+Zn |
Carbon Steel+Zn |
Carbon Steel+Zn |
Carbon Steel+Zn |
Carbon Steel+Zn |
| *1 |
PN≥600Class seal face will be HF |
| Na |
Intergral with vessell |
Main Outline Dimensions & Weight
| PN |
Class150 |
Class300 |
Class600 |
Class900 |
| D |
N |
Size(mm) |
Weight (kg) |
Size(mm) |
Weight (kg) |
Size(mm) |
Weight (kg) |
Size(mm) |
Weight (kg) |
| in |
mm |
L |
D |
L |
D |
L |
D |
L |
D |
| 1/2 |
15 |
16 |
47 |
0.2 |
25 |
53 |
0.23 |
25 |
53 |
0.25 |
25 |
63 |
0.3 |
| 3/4 |
20 |
19 |
57 |
0.3 |
31.5 |
65 |
0.36 |
31.5 |
65 |
0.38 |
31.5 |
69 |
0.4 |
| 1 |
25 |
22 |
66 |
0.45 |
35.5 |
72 |
0.52 |
35.5 |
72 |
0.55 |
35.5 |
78 |
0.6 |
| 11/4 |
32 |
28 |
75 |
0.6 |
40 |
81 |
0.75 |
40 |
81 |
0.8 |
40 |
88 |
1.0 |
| 11/2 |
40 |
31.5 |
85 |
0.8 |
45 |
95 |
1.1 |
45 |
95 |
1.2 |
45 |
98 |
1.5 |
| 2 |
50 |
40 |
103 |
1.2 |
56 |
110 |
1.95 |
56 |
110 |
2.0 |
56 |
142 |
2.5 |
| 21/2 |
65 |
46 |
122 |
2.3 |
63 |
129 |
2.9 |
63 |
129 |
3.0 |
63 |
167 |
4.0 |
| 3 |
80 |
50 |
135 |
3.0 |
71 |
148 |
5.5 |
71 |
148 |
6.0 |
71 |
205 |
8.0 |
| 4 |
100 |
60 |
173 |
7.0 |
80 |
180 |
9.0 |
80 |
192 |
10 |
80 |
247 |
13 |
| 5 |
125 |
90 |
196 |
12 |
110 |
215 |
15 |
110 |
240 |
17 |
110 |
288 |
20 |
| 6 |
150 |
106 |
222 |
15 |
125 |
250 |
20 |
125 |
265 |
22 |
125 |
|
25 |
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