VINVAL Forged Steel Check Valve – Class 150 to 1500 Piston Type High Pressure API 602

Product Description

VINVAL Forged Steel Check Valve is designed in accordance with international standards API 602 / BS 5352 / ASME B16.34, specifically engineered for high-pressure and high-temperature industrial systems. It effectively prevents backflow, ensuring safe and stable operation of piping systems.

These valves are widely used in oil & gas, petrochemical plants, steam systems, power generation, and other heavy industrial applications.

Technical Specifications

• Size Range: 1/2” – 2” (DN15 – DN50)
• Pressure Rating: Class 150 / 300 / 600 / 800 / 1500
• Temperature Range: -29°C to 425°C
• Body Materials:
  • ASTM A105N
  • ASTM A350 LF2
• End Connection:
  • Threaded (NPT/BSP)
  • Socket Weld (SW)
  • Threaded x Socket Weld (combination)
• Valve Type: Check Valve (Piston Type)

Design & Testing Standards

• Designed according to API 602 / BS 5352 / ASME B16.34
• Inspection & testing according to API 598 / ISO 5208 / BS EN ISO 12266-1
• Threaded ends: ANSI B1.20.1
• Socket weld ends: ANSI B16.11
• Flanged ends: ANSI B16.5
• Face-to-face dimensions: ANSI B16.10 / API 602

Design Features

• Compact yet robust forged steel construction for high-pressure service
• Bolted cover design for easy maintenance and inspection
• Piston-type guided disc ensures precise seating
• Excellent alignment between disc and seat for tight sealing
• Self-cushioning effect reduces impact during closure
• Spring-loaded option available upon request
• Optional Stellite F6 hard-faced seat & disc for severe service conditions
• High tensile B7/2H fasteners for durability

Materials of Construction

• Carbon Steel: ASTM A105N
• Low Temperature Steel: ASTM A350 LF2
• Stainless Steel: ASTM A182 F304 / F316 / F304L / F316L
• Alloy Steel: ASTM A182 F11 / F22

Advantages of VINVAL Forged Steel Check Valves

• Effective prevention of backflow and system protection
• Withstands high pressure up to Class 1500
• Excellent sealing performance with minimal leakage
• Compact design with high mechanical strength
• Stable operation under high temperature conditions
• Easy maintenance and long service life
• Suitable for a wide range of industrial applications

Applications

VINVAL Forged Steel Check Valves are widely used in:

• Oil & Gas and petrochemical refineries
• High-pressure steam systems
• Chemical and process industries
• Power plants and energy sector
• Steel, cement, and fertilizer industries
• Water, gas, oil, and industrial pipeline systems

Why Choose VINVAL at PM-E

• Genuine products with full CO-CQ certification
• Direct import supply with competitive pricing
• Professional technical consultation for projects
• Fast nationwide delivery
• Full technical catalogues and drawing support

Product Information

• Brand: VINVAL
• Category: Forged Steel Check Valve / Piston Type Check Valve
• Size Range: 1/2” – 2”
• Pressure Range: Class 150 – 1500

Download Technical Documents (PDF)

Contact us now to receive full catalogue and detailed drawings.