1. Design and manufacture according to: API 6D, API 608, BS 5351;
2. Connection flange ends according to: ANSI B16.5;
3. Test and inspection according to: API 598.
4. Structure features: floating ball;
5. Material conform to : ANSI/ASTM
6. Main Material: A105(N)/WCB, LF2/LCC, F304(L)/CF8, F316(L)/CF8M, etc.
The cast steel diaphragm ball valve is designed for corrosive environments using ASTM A216 WCB cast steel and PTFE lining, offering excellent resistance to acids, alkalis, and chemicals. With flanged ends, it ensures easy installation in pipelines without welding. The diaphragm seal prevents media leakage into the stem area, maintaining system hygiene and extending service life. Rated at 16 bar (Class 150), this valve complies with ASME B16.34 and is 100% tested per API 598. Ideal for water treatment, chemical processing, and food-grade applications. Trust SFANVALVE for precision-engineered cast steel diaphragm ball valves that deliver reliable performance in harsh 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 |

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.