Pressure Seal Bonnet Check Valve, BS 1868, LCC, 3 IN, CL2500

We are a leading supplier of swing check valves in China, offering high-quality products designed to meet rigorous industrial standards. This swing check valve features a pressure seal bonnet and complies with BS 1868 design specifications. Constructed with a durable carbon steel ASTM A352 LCC body, it is engineered for reliable performance in demanding applications. With a nominal size of 3 inches (DN80), a pressure rating of Class 2500 LB, and RF flanged ends, this valve ensures secure connections and optimal flow control.

Tags:

• Pressure Seal Bonnet Check Valve
• BS 1868 Check Valve
• ASTM A351 LCC Check Valve
• 3 Inch Check Valve
• Class 2500 LB Check Valve

BS 1868 Swing Check Valve, PSB, 3 Inch, 2500 LB.

Valve Description
Name: High Pressure Swing Type Check Valve with Pressure Seal Bonnet
Design Standard: BS 1868 – Standard Bore
Body Material: ASTM A352 LCC
Nominal Size: 3 Inch (DN80)
Nominal Pressure Class: Class 2500 LB
Connection Ends: RF Flanged Ends
Face-to-Face Dimension: As per ASME B16.10
Testing and Inspection: API 598

Features

Cover Design: Bolted cover
Bore Type: API 6D (Full Bore), BS 1868 (Standard Bore)
Shaft Options:
Inside Shaft
Outside Shaft with lever and counterweight (optional)
Large Valve Options: 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: -196°C to 593°C

Materials:

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
Austenitic Stainless Steel: ASTM A351 CF8, CF8M, CF3M, CF8C
Duplex and Super Duplex Stainless Steel: ASTM A890 4A (CD3MN), 5A (CE3MN), 6A (CD3MWCuN)
Nickel Alloys: CN3MN, CK3MCUN, CN7M
Aluminum Bronze: ASTM B148 C95800, C95500

Connection Ends:

ASME B16.5 (Flanged)
ASME B16.25 (Buttweld)
EN1092 Series

Applications:

Electric Power Generation
Petroleum Refining
Petrochemical Engineering
Offshore Oil Operations
Chemical Engineering