Carbon Steel Swing Check Valves, API 6D, WCB, 4 IN, CL 900

We are a leading manufacturer of swing check valves in China, designed to meet API 6D standards. Our valves feature a durable carbon steel ASTM A216 WCB body and are available in 4-inch, DN100 sizes. With a Class 900 LB and PN150 pressure rating, these valves are built for reliable performance in demanding applications. They come with RF flanged ends for easy installation and are ideal for various industries requiring high-quality, durable check valves. Trust our expertise for premium swing check valves that meet the highest industry standards.

Tags:

• Carbon Steel Check Valve
• API 6D Check Valve
• ASTM A216 WCB Check Valve
• 4 Inch Check Valve
• Class 900 LB Check Valve

API 6D Swing Check Valve, ASTM A216 WCB, 4 Inch, Class 900 LB.

Valve Description:

Name: Swing Type Check Valve
Design: API 6D – Full Bore
Body: ASTM A216 WCB
Nominal Size: 4 Inch, DN100
Nominal Class: Class 900 LB, PN150
Connection Ends: RF Flanged Ends
Face to Face: As per ASME B16.10
Test and Inspection: API 598

Other Features:

Bolted cover
API 6D – Full Bore, BS 1868 – Standard Bore
Shaft: Inside or Outside
Outside Shaft: Can be mounted with a lever + counterweight
Large-sized check valves can be mounted with a hydraulic damping cylinder

Technical Parameters and Characteristics:

Product Type: Swing Type Check Valve
Size Range: NPS 2 Inch - 24 Inch, DN50 - DN600
Design Pressure: Class 150 LB - 2500 LB, PN10 - PN420
Design Standard: BS 1868, API 6D, DIN 3352
Design Temperature: -196°C to 593°C

Materials:
ASTM A216 WCB, ASTM A216 WCC, ASTM A217 WC6, ASTM A217 WC9
ASTM A217 C5, ASTM A217 C12A, ASTM A352 LCB, ASTM A352 LCC
ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3M, ASTM A351 CF8C
CN3MN, CK3MCUN, CN7M, ASTM A890 4A (CD3MN), ASTM A890 5A (CE3MN)
ASTM A890 6A (CD3MWCuN), ASTM B148 C95800, ASTM B148 C95500

Connection Ends: ASME B16.5, ASME B16.25, EN 1092 Series
Applications: Electric power, petroleum refining, petrochemical engineering, offshore oil, chemical engineering