Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | SS 316 Swing Check Valve |
| Valve Type | Swing Type Check / Non-Return Valve |
| Body Material | ASTM A351 CF8M / SS 316 |
| Disc Material | SS 316 / CF8M |
| Cover / Bonnet | SS 316 / CF8M |
| Hinge / Pin | SS 316 |
| Seat | SS 316 / Integral Metal Seat |
| Gasket | SS 316 + Graphite / suitable gasket |
| Pressure Class | ANSI/ASME Class 150 / 300 |
| Size Range | Typically ½”–12″ depending on manufacturer |
| End Connection | Flanged RF; threaded or butt-weld options available |
| Flange Standard | ASME B16.5 |
| Face-to-Face | ASME B16.10 |
| Design Standard | ASME B16.34 |
| Testing Standard | API 598 |
| Flow Direction | One-way |
| Port | Full Bore / Full Port |
| Operation | Automatic; no actuator required |
| Pressure Rating | According to ASME Class 150/300 P-T rating |
| Temperature | Depends on material, seat and pressure rating; some CF8M models are rated approximately −29°C to 425°C |
| Media | Water, oil, gas, steam and compatible chemicals |
| Installation | Horizontal or suitable vertical-up-flow installation, as specified by manufacturer |
| Construction | Bolted cover / hinged disc |
| Maintenance | Low maintenance |
| Material Grade | SS 316 / CF8M |
Commercial CF8M swing-check designs are available in Class 150 and 300, with ASME B16.34 design, API 598 testing, ASME B16.10 face-to-face dimensions and ASME B16.5 flanges.
Available Sizes
Typical flanged versions are available in:
- ½”
- ¾”
- 1″
- 1¼”
- 1½”
- 2″
- 2½”
- 3″
- 4″
- 6″
- 8″
- 10″
- 12″
Exact availability depends on the manufacturer and pressure class. Some SS 316 swing-check ranges extend from NPS 2 up to NPS 24.
Main Features
- SS 316 / CF8M corrosion-resistant construction
- Automatic prevention of reverse flow
- Full-port design available
- Low pressure drop
- Hinged swing disc
- No external actuator required
- Suitable for demanding industrial services
- Flanged RF connection
- Available in Class 150 and Class 300
- Suitable for water, oil and gas services
- Robust bolted-cover construction
- Suitable for marine and chemical applications
Typical Applications
SS 316 Swing Check Valves are commonly used in:
- Oil & Gas pipelines
- Chemical processing plants
- Water treatment systems
- Marine and seawater systems
- Petrochemical plants
- Power plants
- Food & pharmaceutical industries
- Industrial process lines
- Pump discharge lines
- Cooling-water systems
SS 316/CF8M is particularly useful where improved corrosion resistance, including resistance to chloride-related pitting compared with 304 stainless steel, is required.
