BS 1868 PSB Check Valve, ASTM A216 WCB, 18 Inch, 900 LB, RTJ

The BS 1868 Check Valve Plant in China specializes in manufacturing high-quality pressure seal bonnet check valves. These valves are made from ASTM A216 WCB cast carbon steel, ensuring durability and reliability in demanding applications. With an 18-inch (DN450) diameter and rated at Class 900 LB and PN150 pressure classes, they feature ring-type joint (RTJ) flanged ends for secure connections. The pressure seal bonnet design enhances the valve's ability to handle high pressures.

Product Name: BS 1868 Pressure Seal Bonnet Check Valve
Design Standard: BS 1868
Body Material: ASTM A216 WCB
Size: 18 Inch, DN450
Pressure: Class 900 LB, PN150
End Connection: RTJ Flanged
Medium: Water, Gas, Oil, etc
Temperature Range: -29°C to 595°C

Pressure Seal Check Valves are engineered for high-pressure, high-temperature applications across a wide range of fluids, excluding those prone to severe coking. These valves are ideally suited for steam generation systems, chemical processing plants, and thermal power stations. Available in both cast and forged steel body constructions, our Pressure Seal Check Valves offer versatile solutions to meet various industrial demands.
These valves feature an optimized flow path and sealing design, resulting in reduced weight, ease of installation, and simplified in-line maintenance. Their compact structure and compliance with low-emission service standards make them a reliable choice for demanding service conditions.

Technical Specifications

» Type: Pressure Seal Swing Check Valve
» Size Range: NPS 2-24 Inch (DN50-DN600)
» Pressure Rating: Class 600-2500 LB (PN110-PN420)
» Body Materials: ASTM A216 WCB, WCC, A217 WC6, WC9, C5, C12A, A352 LCB, LCC, A351 CF8, CF8M, CF3M, CF8C
» End Connections: BW (Butt Weld), RF (Raised Face), RTJ (Ring Type Joint)
» Design & Manufacture Standards: BS 1868, API 6D, DIN 3352
» Face-to-Face Dimensions: ANSI B16.10, EN 558 Series
» Flange Standards: ASME B16.5, ASME B16.47, EN 1092 Series
» Butt Weld Ends: ANSI B16.25
» Testing & Inspection Standards: API 598, ISO 5208, EN 12266-1

Product Features

» Designed to prevent reverse flow with minimal pressure drop due to straight-through flow path.
» The disc swings open with forward flow and closes automatically under back pressure.
» Suitable for horizontal or vertical installations; follow the indicated flow direction on the body.
» Optional accessories available, including bypass lines, locking devices, counterweights, and more, to meet specific application needs.