Description

The API 602 Forged Steel Check Valve (Class 800) is a specialized, high-pressure valve designed to prevent backflow and protect critical piping systems. Constructed from high-grade forged steel, this compact valve offers exceptional strength and durability for severe service conditions. It automatically allows fluid to flow in one direction and closes to block reverse flow, making it an essential component for safety and efficiency in oil and gas, petrochemical, and power generation industries.

Technical Specifications:

Pressure Class: Class 800 (ASME B16.34)
Size Range: NPS 1/2″ to 2″ (DN15 to DN50) (Standard compact size range for API 602 forged valves)
Applicable Medium: Oil, Gas, Steam, Water, and various process fluids
Operating Temperature: -29°C to 425°C (Carbon Steel A105N Range)

Main Parts and Materials:

Parts Name	Materials
Body, Bonnet	A105N/F304/F316
Stem	A182 F6a/A182 F316/A182 304
Seat	A105

Key Product Features:

Robust Forged Construction: Manufactured from high-grade forged steel (A105N), ensuring superior density, strength, and resistance to high pressure compared to cast alternatives.
High-Pressure Capability: Rated for Class 800, making it suitable for demanding applications requiring high-pressure performance and reliability.
Reliable Backflow Prevention: Designed to automatically close upon flow reversal, protecting pumps, compressors, and downstream equipment from damage.
Compact Design: Ideal for small-bore piping systems where space is limited but high-pressure integrity is required.
Customizable Solutions: Available in various materials and end connections to meet specific operational requirements and industry standards.

Applications:

Ideal for preventing reverse flow in critical high-pressure systems within the Oil & Gas, Petrochemical, Refining, and Power Generation industries. Specifically designed for small-bore piping where durability, precision, and leak-tight performance are paramount.