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API/ASME/ANSI/ASTM Flange Stainless Steel Carbon Steel Swing Check Valve 150lb 300lb 600lb Manufacturer Factory
API/ASME/ANSI/ASTM Flange Stainless Steel and Carbon Steel Swing Check Valve – 150LB, 300LB, 600LB
**Main Parameters:**
- **P/N:** PN10/100, Class 150LB, 300LB, 600LB
- **Port Size:** 1/2" to 30" (DN15 to DN750)
- **Connection Types:** Butt Weld (BW), Flange, Socket Weld (SW), Threaded
- **Standards:** API, ANSI, JIS
- **Body Material:** Investment Cast WCB, CF3, CF3M, CF8, CF8M
**Key Features:**
This swing check valve operates automatically by the movement of the valve disc around the spindle outside the seat. It opens or closes based on the flow of the medium inside the pipeline, preventing backflow and protecting pumps and motors from reverse rotation. It also helps in safely discharging media from containers.
**Design & Manufacturing Standards:**
- **Design:** Cast Steel Check Valve according to BS 1868, ASME B16.34, API 6D
- **Inspection & Testing:** API 598, API 600, or API 6D
- **Flange Dimensions:** ASME B16.5 (for NPS ≤24), ASME B16.47 Series B, API 605, ASME B16.47 A Series, MSS SP-44 (for NPS >24)
- **BW Ends:** ASME B16.25
- **Face-to-Face & End-to-End:** ASME B16.10
- **Pressure-Temperature Ratings:** ASME B16.34
- **Wall Thickness:** API 600, BS 1868
**Product Range:**
- **Body Materials:** Carbon steel, stainless steel, alloy steel, bronze
- **Nominal Diameter:** 1/2" to 48" (DN15 to DN1200)
- **End Connections:** RF (Raised Face), RTJ (Ring Type Joint), BW (Butt Weld)
- **Pressure Range:** Class 150 to 2500 (PN16 to PN420)
- **Working Temperature:** -196°C to +560°C
**Additional Information:**
This swing check valve is widely used in industrial, water treatment, and household applications. It can be customized with neutral branding or your own trademark. The product comes in a wooden packaging for safe transportation.
**Certifications:** CE, TS, API, ISO 9001
**HS Code:** 8481300000
**Origin:** China
**Note:** For more detailed drawings and technical specifications, please contact us directly.
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