BS 1868 Swing Check Valves, 1.4408, 3 Inch, CL 400 LB, RF

As a leading swing check valve manufacturer from China, we specialize in producing high-quality valves designed to meet BS 1868 standards. Our swing check valves feature a robust stainless steel 1.4408 body, ensuring excellent durability and corrosion resistance. With a nominal size of 3 inches (DN80) and a pressure class of 400 LB (PN63), these valves are ideal for demanding applications. Equipped with RF flanged ends for secure connections, our products deliver reliable performance and meet rigorous industry standards. Trust us for precision-engineered swing check valves tailored to your needs.

Tags:

• BS 1868 Check Valve
• Stainless Steel 1.4408 Check Valve
• 3 Inch Check Valve
• Class 400 LB Check Valve

Valve Description

Name: Swing Type Check Valve
Design: BS 1868 – Standard Bore
Body Material: 1.4408 (Stainless Steel)
Nominal Size: 3 Inch (DN80)
Nominal Class: Class 400 LB, PN63
Connection Ends: RF Flanged Ends
Face-to-Face Dimensions: As per ASME B16.10
Test and Inspection Standard: API 598

Other Features:

Bolted Cover
Available as API 6D (Full Bore) or BS 1868 (Standard Bore)
Can have either an inside shaft or an outside shaft configuration
Outside Shaft: Optionally equipped with lever and counterweight
Larger sizes can be equipped with a hydraulic damping cylinder

Technical Parameters and Characteristics:

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

Material Options:

Carbon Steel: ASTM A216 WCB, ASTM A216 WCC
Low-Temperature Carbon Steel: ASTM A352 LCB, ASTM A352 LCC
Alloy Steel: ASTM A217 WC6, ASTM A217 WC9, ASTM A217 C5, ASTM A217 C12A
Stainless Steel: ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3M, ASTM A351 CF8C
Special Alloys: CN3MN, CK3MCuN, CN7M
Duplex Stainless Steel: ASTM A890 4A (CD3MN), ASTM A890 5A (CE3MN), ASTM A890 6A (CD3MWCuN)
Bronze: ASTM B148 C95800, ASTM B148 C95500

Connection Ends:

Flanged and Butt-Welded Ends: ASME B16.5, ASME B16.25
EN 1092 Series

Applications:

Electric Power
Petroleum Refining
Petrochemical Engineering
Offshore Oil Operations
Chemical Engineering