- Home
- API 609 Butterfly Valves
- Stainless Steel Butterfly Valve
- Stainless Steel Butterfly Valve
Stainless Steel Butterfly Valve
CF8M and duplex bodies for offshore, chemical and desalination service with metal or soft seats.

CF8M and duplex bodies for offshore, chemical and desalination service with metal or soft seats.
Selected for corrosive media, offshore wash-down, chloride-managed systems and cryogenic service with an extended bonnet. CF8M is the workhorse cast grade behind most 316 piping specs.
| Attribute | Value |
|---|---|
| ASTM grade | CF8M / CF3M (A351) |
| Typical trim | 316 / 316L |
| Temperature range | −196 °C to +400 °C (grade dependent) |
Material background: Stainless Steel.
Specifying this valve?
Send size, class, body material and end connection — we return the dimensional check before we price.
Send the piping class, not the part number
We check the dimensions, the material and the standard before we price — which is the part that decides whether the valve actually fits. RFQ answered within one working day.