ANSI Cast Iron Swing Check Valve

Description

The ANSI Cast Iron Swing Check Valve is a robust, Class 125 (200 CWP) non-return valve designed to prevent backflow in piping systems. Constructed from durable ASTM A126 Class B cast iron with bronze trim, it features a bolted bonnet for easy maintenance and a renewable seat design. The valve automatically closes when flow reverses, ensuring system protection. It is suitable for installation in horizontal pipelines or vertical lines with upward flow.

Technical Specifications:

• Nominal Size (NPS): 2″ – 24″ (DN50 – DN600)
• Pressure Rating: Class 125 (200 CWP)
• Steam Capability: 125 psi (8.6 bar) saturated steam up to 353°F (178°C)
• Applicable Medium: Water, Oil, Saturated Steam
• Suitable Temperature: -29°C to 178°C (-20°F to 353°F)

Main Parts & Materials:

Key Product Features:

1. Renewable Seat & Disc: Features a renewable seat pan and an iron disc with a bronze disc face ring, allowing for easy maintenance and extended service life.
2. Bolted Bonnet Cover: The bolted bonnet cover facilitates convenient access for inspection and maintenance of internal components.
3. Bronze Trim: Equipped with a bronze seat ring (inlay) to ensure a tight seal and resistance to wear and corrosion.
4. Steam Capability: Rated for 125 psi (8.6 bar) saturated steam up to 353°F (178°C).
5. Reliable Sealing: Utilizes a synthetic fiber gasket for the bonnet to ensure a secure, leak-free seal.
6. Precision Machining: Precision-machined components guarantee optimal performance and dimensional accuracy.
7. Application Note: Not suitable for reciprocating air compressor applications due to potential pulsation issues.

Additional information