| Forged steel check valve銆€銆€銆€銆€銆€銆€銆€銆€銆€ |
| Application銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€ |
| Sungo Check valves are available in three bonnet designs. The first design is the bolted bonnet, with male-female joint, spiral wound gasketmade in F304L/graphite, ring joint gasket are also available on request. The second design is the welded bonnet, with threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressureseal bonnet joint. The check valve are also available in three different design configurations. These are piston check,ball check or swing checkdesigns.銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€ |
| Typical Drawing of Forged steel check valve銆€銆€銆€銆€銆€銆€ |
 |
| Check valve design construction and specifications銆€銆€銆€銆€銆€銆€ |
|
Sungo check valves conform to ASME B16.34
Each are tested according to API598,and marking is as per MSS SP-25銆€銆€銆€銆€ |
 |
| Standard Material Specification銆€銆€銆€銆€銆€銆€銆€銆€ |
| No. |
Part name |
CS TO ASTM |
AS TO ASTM |
SS TO ASTM |
SS TO ASTM |
| TYPE A105 |
TYPE F22 |
TYPE F304(L) |
TYPE F316(L) |
| 1 |
Body |
A105 |
A182 F22 |
A182 F304锛圠锛?/TD>
| A182 F316锛圠锛?/TD> |
| 2 |
Piston disc |
A276 410 |
A276 304 |
A276 304锛圠锛?/TD>
| A276 316锛圠锛?/TD> |
| 3 |
Gasket |
Corrugated SS+graphite |
Corrugated SS+graphite |
SS+PTFE |
SS+PTFE |
| 4 |
Bonnet |
A105 |
A182 F22 |
A182 F304锛圠锛?/TD>
| A182 F316锛圠锛?/TD> |
| 5 |
Nameplate |
SS |
SS |
SS |
SS |
| 6 |
Bolt |
A193 B7 |
A193 B16 |
A193 B8M |
A193 B8M |
| 7 |
Ball |
A182 F304 |
A182 F304 |
A182 F304 |
A182 F304 |
| Suitable medium |
W.O.G.ETC |
W.O.G.ETC |
HNO,CH,01H etc |
HNO,CH,01H etc |
| Suitable temperature |
-29鈩冿綖425鈩?/TD>
| -29鈩冿綖550鈩?/TD>
| -29鈩冿綖180鈩?/TD>
| -29鈩冿綖180鈩冦€€ |
| Dimension(mm) and Weight (kg) |
銆€ |
銆€ |
銆€ |
銆€ |
銆€ |
銆€ |
|
|
| NPS |
Conv. |
3/8 |
1/2 |
3/4 |
1 |
1锛?/4 |
1锛?/2 |
2 |
銆€ |
|
|
| Full |
銆€ |
3/8 |
1/2 |
3/4 |
1 |
1锛?/4 |
1锛?/2 |
2 |
|
|
| L |
79 |
79 |
92 |
111 |
120 |
152 |
172 |
200 |
|
|
| H |
61 |
61 |
65 |
79 |
95 |
103 |
118 |
132 |
|
|
| Weight |
Bolted |
1.4 |
1.2 |
1.5 |
3.1 |
3.9 |
5.6 |
8.9 |
12.5 |
|
|
| Welded |
1.1 |
1.0 |
1.2 |
2.9 |
3.5 |
4.9 |
8.1 |
10.9 |
|
|
 | |
