The forged steel T type swing check valve is designed for high-pressure applications in oil, gas, and power industries. Made from A105 forged carbon steel, it delivers exceptional strength and durability at temperatures up to 560°C. Its straight-through T-type design minimizes flow resistance, while the swing disc mechanism ensures reliable backflow prevention without external power. With 1½” socket weld ends and an 800LB pressure rating, this valve complies with API 602 standards and is 100% tested per API 598. Ideal for protecting pumps, compressors, and critical process lines. Trust SFANVALVE for precision-engineered forged steel swing check valves that perform reliably under extreme conditions.
| Brand | SFAN VALVE OR "OEM" |
|---|---|
| Flow bore | Standard bore or Full bore |
| Material | Carbon steel, Stainless steel, Alloy steel or other |
| Dimension | DN10(1/4") to DN100(4") |
| Class | 150~2500 |
| Medium | Water, oil &gas. |
| Temperature | -196℃(cryogenic design) to 560℃ |
| Valve test | 100% quantity tested before delivery |
| Valve guarantee | 18 months after shipments and 12 months after installed |
| Packing | Plywood or carton cases |
| Delivery time | 7 days to 30 days |
| Place of Origin | Zhejiang, China |
| SWING TYPE | DN | Size (inch) | Dimension d(mm) | L(mm) | H(mm) | Weight(kg) |
|---|---|---|---|---|---|---|
| Class 800 | 15 | 1/2" | 13 | 79 | 54.5 | 1.3 |
| Class 800 | 20 | 3/4" | 13 | 92 | 54.5 | 1.5 |
| Class 800 | 25 | 1" | 18 | 111 | 72 | 2.9 |
| Class 800 | 32 | 1.1/4" | 24 | 120 | 84 | 3.9 |
| Class 800 | 40 | 1.1/2" | 29 | 120 | 94 | 5.5 |
| Class 800 | 50 | 2" | 36.8 | 140 | 112 | 8.2 |
| Class 1500 | 15 | 1/2" | 13 | 92 | 54.5 | 1.5 |
| Class 1500 | 20 | 3/4" | 13 | 111 | 72 | 2.9 |
| Class 1500 | 25 | 1" | 18 | 120 | 81 | 3.9 |
| Class 1500 | 32 | 1.1/4" | 24 | 120 | 94 | 5.5 |
| Class 1500 | 40 | 1.1/2" | 29 | 157 | 112 | 10 |
| Class 1500 | 50 | 2" | 36.8 | 172 | 132 | 13 |
| No. | Part Name | Carbon Steel | Carbon Steel | Stainless Steel | Alloy Steel |
|---|---|---|---|---|---|
| 1 | Body | A105N | LF2/LF3 | A182 F304/F316 | A182 F11/F22 |
| 2 | Seat | A182 F6a | A182 F6a | A182 F304/F316 | A182 F11/F22 |
| 3 | Disc/Ball | A182 F6a | A182 F6a | A182 F304/F316 | A182 F6a |
| 4 | Pin | A276-410 | A276-410 | A276-304/316 | A276-410 |
| 5 | Spring | SS/Inconel X-750 | SS/Inconel X-750 | SS/Inconel X-750 | SS/Inconel X-750 |
| 6 | Gasket | Graphite +304 | Graphite +304 | Graphite +304/316 | Graphite +304/316 |
| 7 | Bonnet | A105N | LF2/LF3 | A182 F304/F316 | A182 F11/F22 |
| 8 | Bolt | A193 B7 | A320 L7 | A193 B8 | A193 B16 |
| Test Pressure | Class 150 | Class 300 | Class 600 | Class 800 (Forge Steel Valve) | Class 900 | Class 1500 | Class 2500 |
|---|---|---|---|---|---|---|---|
| Shell Test(MPa) | 3.0 | 7.5 | 15.4 | 21.0 | 22.5 | 37.5 | 63.0 |
| High Pressure Seal Test(MPa) | 2.2 | 5.5 | 11.3 | 15.4 | 16.5 | 27.5 | 46.2 |
| Low Pressure Seal Test(MPa) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
Your questions answered
For Sfanvalve’s standard products, we are willing to start production without any payment in advance. We accept product inspection upon completion, and payment is only due once the inspection is passed. SFAN will then arrange shipment to your designated warehouse as per your requirements.
Yes. After receiving the contract, we will provide technical drawings. Production will commence based on these drawings once they are confirmed by both parties.
After receiving the contract and confirming the drawings, we will provide a production schedule and manufacture strictly according to it. We will provide photos or videos to share and make a record for every stage of the production process. If a serious delay occurs due to management error, we will arrange air shipment and bear all costs by air.”
The warranty period is 18 months from the date of shipment or 12 months from the date of installation, whichever occurs first.
