PN40 Check Valve
The PN40 Check Valve from Petrotec Valves India is a high-pressure valve designed to prevent reverse flow in demanding industrial pipeline systems. With a robust body and precision-engineered internal components, it is suitable for applications where higher pressure ratings are required. Available in swing, lift, and dual-plate designs, the PN40 Check Valve ensures reliable non-return function, low pressure drop, and long service life.
- Sizes : ½” to 24” (DN15 – DN600)
- Pressure Ratings : PN40 / Class 300–600
- Temperature Range : –29°C to +450°C (depending on materials)
- Body: Carbon Steel (WCB, A105), Stainless Steel (SS 304, SS 316, SS 316L), Alloy Steel
- Disc: Stainless Steel (SS 304, SS 316), Duplex Steel, Alloy Steel
- Seat: Hard-Faced Metal Seat, PTFE, Viton, NBR
- Spring/Guides (where applicable): Stainless Steel, Inconel
- Designed for high-pressure applications up to PN40 rating
- Available in swing, lift, and dual plate configurations
- Rugged construction for durability under severe service conditions
- Metal-to-metal or soft-seat sealing options
- Low pressure drop with efficient flow characteristics
- Suitable for horizontal and vertical installations (depending on type)
- Fire-safe and anti-static design available on request
- Long service life with minimal maintenance
Each valve is tested in accordance with API 598 / BS EN 12266 and manufactured to meet API 6D, ASME, DIN, and ISO standards, ensuring safety, reliability, and high-pressure performance.
