**Product Specifications:**
- **Model No.:** DN15-DN500
- **Connection Type:** Flange
- **Pressure Rating:** Ordinary Temperature
- **Sealing Type:** Swing Check Valve
- **Standards:** ANSI, DIN, JIS, GB
- **Certifications:** CE, TS, API, ISO 9001
- **Packaging:** Wooden Crate
- **Origin:** China
**Material:** Cast Steel, Stainless Steel
**Structure:** Swing
**Function Types:** DDCV Double Lobe, NRVr Silence, SFCV Rubber Lobe, NRVz Silence, NRVG Silence
**Flow Direction:** Unidirectional
**Application Areas:** Industrial Use, Water Treatment, Household Use
**Brand:** Neutral or Customizable
**Specification:** DN15-DN500
**HS Code:** 8481300000
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**API/ANSI/JIS Investment Cast Flange CS/SS Swing Check Valve H44H 150LB 600LB**
**Main Parameters:**
- **Part Number (P/N):** PN10/100, Class 150LB, 300LB, 600LB
- **Port Size:** DN15 to DN500
- **Connection Types:** Butt Weld (BW), Flange, Socket Weld (SW), Threaded
- **Standards:** API, ANSI, JIS
**Body Materials:** WCB, CF3, CF3M, CF8, CF8M
**Key Features:**
This swing check valve is designed to open and close automatically by the rotation of the disc around the spindle outside the seat. It functions as an automatic valve, controlled by the flow of the medium inside the pipeline. Its primary purpose is to prevent backflow in the system, avoid reverse rotation of pumps and motors, and manage the discharge of media from containers.
**Design & Manufacturing Standards:**
- BS 1868, ASME B16.34, API 6D
**Inspection & Testing Standards:**
- API 598, API 600, or API 6D
**Flange Dimensions:**
- ASME B16.5 (for NPS ≤24)
- ASME B16.47 Series B (for NPS ≤24)
- API 605, ASME B16.47 A Series, MSS SP-44 (for NPS >24)
**Butt Weld Ends:**
- ASME B16.25
**Face-to-Face and End-to-End Dimensions:**
- ASME B16.10
**Pressure-Temperature Ratings:**
- ASME B16.34
**Wall Thickness Dimensions:**
- API 600, BS 1868
**Product Range:**
- **Body Material:** Carbon Steel, Stainless Steel, Alloy Steel, Bronze
- **Nominal Diameter:** 1/2" to 48" (DN15 to DN1200)
- **End Connections:** RF, RTJ, BW
- **Pressure Range:** Class 150 to 2500 (PN16 to PN420)
- **Working Temperature:** -196°C to +560°C
**Warm Reminder:** For more detailed drawings and technical specifications, please contact us directly.
This swing check valve is ideal for a wide range of industrial applications, including water treatment, chemical processing, and general piping systems. It ensures reliable performance and long service life under various operating conditions. Whether you need standard or custom options, we can provide solutions tailored to your specific needs.
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