Quick Details:
1. Type: Din Flanged Swing Check Valve
2. Bonnet Type:
Bolted Bonnet
3. Disc Type: Swing Disc
4. Size Range: Dn15 - Dn600
5. Pressure Ratings: Pn16
6. End Connections: Flanged
7. Materials: Cast Steel in GS-C25, WCB
8. Various trim materials available to suit service conditions
9. NACE MR 0175
Standards
| Design & Manufacture | DIN 3840 |
| Face to Face Dimension | DIN 3202 |
| Flange Ends Dimension | DIN 2543, DIN 2544, DIN 2545, DIN 2546, DIN 2548, BS EN 1092-1 |
| Test & Inspection | DIN 3230 |
Features:
1. Generally
Bolted Bonnet; Swing Disc; Metallic Seating Surfaces
2. Body and Bonnet Connection
Bolted bonnet
3. Cover Gasket Style
Stainless steel + flexible graphite wounded gasket
Metal gasket
Metal ring gasket
4. Seat
For carbon steel check valve, the seat is usually forged steel. The
seat sealing surface may be spray-welded with hard alloy if
specified by the customer. For Stainless steel check valve,
integrai seat is usually adopted, or it can be machined integrally
after hard alloy welded. The threaded or welded type seat is also
optional for stain less steel check valve if being requested by the
customer.
Descriptions:
1. Din Carbon Steel Swing Check Valve Parts and Material List:
| Part Name | Material |
| CS/ Trim 1 | CS/ Trim 8 | CS/ Trim 5 |
| 1 | Body | DIN 17245 GS-25 + CR13 | DIN 17245 GS-C25 + STL | DIN 17245 GS-C25 + STL |
| 2 | Disc | DIN 17245 GS-C25 + CR13 | DIN 17245 GS-C25 + CR13 | DIN 17245 GS-C25 + STL |
| 3 | Arm | DIN 17245 GS-C25 | DIN 17245 GS-C25 | DIN 17245 GS-C25 |
| 4 | Nut | ASTM A194 2H | ASTM A194 2H | ASTM A194 2H |
| 5 | Pin | ASTMA182F6a | ASTMA182 F6A | ASTMA182F6a |
| 6 | Nut | ASTM A194 2H | ASTM A194 2H | ASTM A194 2H |
| 7 | Bolt | ASTM A194 B7 | ASTM A194 B7 | ASTM A194 B7 |
| 8 | Gasket | SS Spiral Wound W/^aphitc, or SS Spiral Wound W/PTFE, or Reinforced
PTFE |
| 9 | Cover | DIN 17245 GS-C25 | DIN 17245 GS-C25 | DIN 17245 GS-C25 |
3. Main Dimensions for Pn16 Swing Check Valve:
| PN | DN (mm) | Dimensions(mm) | Weight (kg) |
| L | H |
| 16 | 50 | 230 | 165 | 23 |
| 65 | 290 | 180 | 28 |
| 80 | 310 | 190 | 35 |
| 100 | 350 | 208 | 40 |
| 150 | 480 | 270 | 81 |
| 200 | 600 | 295 | 96 |
| 250 | 730 | 337 | 175 |
| 300 | 850 | 386 | 265 |
| 350 | 980 | 430 | 364 |
| 400 | 1100 | 475 | 495 |
| 500 | 1250 | 565 | 590
|
Flanged End Check Valve 150Lb~600Lb
Standard Material Specifications
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) |
| 1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | Nameplate | SS |
| 3 | Piston Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 5 | Gasket | Corrueated SS + graphite | SS + PTFE |
| 6 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8(M) |
| Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc |
| Suitable Temperature | -29~425 | -29~550 | -29~180 |
Note: Other materials are available upon request.
Technical parameters :
| NPS | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" |
| L(RF)L1(BW) | 150 | 108 | 117 | 127 | 140 | 165 | 203 |
| 300 | 152 | 178 | 203 | 216 | 229 | 267 |
| 600 | 165 | 190 | 216 | 229 | 241 | 292 |
| H | 150,300 | 61 | 61 | 79 | 95 | 103 | 118 |
| 600 | 61 | 79 | 95 | 103 | 118 | 135 |
| Weights | 150 | RF | 2.56 | 3.37 | 4.37 | 8.17 | 8.94 | 12.64 |
| BW | 1.70 | 1.90 | 2.10 | 5.12 | 5.50 | 7.89 |
| 300 | RF | 2.73 | 3.65 | 4.74 | 8.77 | 9.60 | 13.70 |
| BW | 1.90 | 2.10 | 3.00 | 5.12 | 6.60 | 7.85 |
| 600 | RF | 3.00 | 4.00 | 5.83 | 9.47 | 10.10 | 15.6 |
| BW | 2.00 | 3.12 | 4.25 | 7.25 | 8.56 | 13.60
|
