api 594 vs bs 1868 valve
BS1868 is the British design standard for cast or forged steel check valves for the oil, petrochemical, and related industries. API 594 standard includes wafer and lug-type single and double-disc check valves made of cast iron, ductile iron, carbon steel, alloy steel, and nickel alloys, which, according to their dimensions, are permitted to be installed between flanges conforming to ASME B16.1, B16.5, B16.42 or MSS SP-44 and API 605.
1. Standard Nature and Scope
API 594:
Applicable to: Specifically designed for check valves (such as swing and lift types), suitable for industrial pipelines in the oil and gas industries to prevent backflow of media.
Core Content: Specifies the design, materials, manufacturing, and testing requirements for check valves, emphasizing sealing performance and structural integrity.
BS 1868:
Applicable to: Steel check valves used in the oil, petrochemical, natural gas, and related industries, covering various types including swing, lift, and piston types.
Core Content: Specifies the design, materials, manufacturing, and testing requirements for check valves, emphasizing versatility and safety.
2. Differences in Core Content
API 594:
Design Specifications: Specifies the structural, dimensional, and material requirements for check valves.
Manufacturing Requirements: Includes the manufacturing processes and quality control for key components such as the valve body, valve cover, and valve stem.
Inspection and Testing: Specifies the inspection and testing requirements for valves to ensure their performance and safety.
BS 1868:
Design Specification: Specifies the structural, dimensional, and material requirements for check valves.
Manufacturing Requirements: Includes the manufacturing processes and quality control for key components such as the valve body, valve cover, and valve stem.
Inspection and Testing: Specifies the inspection and testing requirements for valves to ensure their performance and safety.
3. Application Scenarios
API 594: Applicable to check valve selection in industries such as oil and gas, such as pump outlets and compressor outlets where backflow prevention is required.
BS 1868: Applicable to check valve selection in industries such as oil refineries and chemical plants where high safety and reliability are required.
API 594 Valve and BS 1868 Valve in stock
