30 Inch Swing Check Valves, API 6D, ASTM A216 WCB, 300 LB

We are a trusted swing check valve factory in China, offering high-quality valves designed to API 6D standards. This 30-inch valve (DN750) is constructed from durable carbon steel ASTM A216 WCB, ensuring reliability in demanding applications. Rated at Class 300 LB (PN50), it features RF flanged ends for secure and leak-proof connections. The valve’s robust design and full bore configuration provide efficient flow control and backflow prevention, making it ideal for industries such as petrochemical, power generation, and offshore operations. Manufactured with precision, this valve delivers exceptional performance and meets the highest industry standards for durability and safety.

Tags:

• 30 Inch Check Valve
• API 6D Check Valve
• ASTM A216 WCB Check Valve
• Class 300 LB Check Valve

ASTM A216 WCB Swing Check Valves, 30 Inch, Class 300 LB.

Valve Description:

Name: Swing Type Check Valve with Lever + Counterweight + Hydraulic Damping Cylinder
Design: API 6D – Full Bore
Body Material: ASTM A216 WCB
Nominal Size: 30 Inch, DN750
Nominal Class: Class 300 LB, PN50
Connection Ends: RF Flanged Ends
Face-to-Face Dimension: As per ASME B16.10
Test and Inspection: API 598

Other Features:

Bolted cover
Full bore design per API 6D, standard bore per BS 1868
Inside or outside shaft configurations available
Outside Shaft: Supports lever + counterweight mounting
Large Sizes: Can be equipped with a hydraulic damping cylinder

Technical Parameters and Characteristics:

Product Type: Swing Type Check Valve
Size Range: NPS 2 Inch - 30 Inch, DN50 - DN750
Design Pressure: Class 150 - 2500 LB, PN10 - PN420
Design Standards: BS 1868, API 6D, DIN 3352
Design Temperature: -196°C to 593°C

Material Options:
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, EN1092 Series
Applications: Electric power, petroleum refining, petrochemical engineering, offshore oil, chemical engineering