Stainless Steel Check Valve - RVH2 H

  • Stainless steel check valve
  • Hexagonal design
  • Multiple connection types available
  • ATEX IIC (H₂), Ex-zone 1, 2G certified

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The primary product is a stainless steel check valve model RVH2 H2 Ready, designed for use in environments requiring compliance with ATEX IIC (H2) standards. This check valve is constructed with a body made of 1.4571 stainless steel and features PEEK seats, ensuring durability and resistance to extreme temperatures ranging from -40°C to +85°C. It is equipped with a cracking pressure of 0.5 bar and is suitable for various connection types including DIN ISO 228, ANSI B1.20.1, SAE J514/ISO/DIS11926-1, DIN 2353/ISO 8434-1, C&T, and UNEF. The valve is available in sizes DN8 (3/8) and DN13 (1/2), with detailed dimensions and specifications for each size. The product is certified for use in hazardous areas (Ex-zone 1, 2G) and is ideal for applications requiring reliable flow control and safety in high-pressure environments.

Use Cases

  • Typically used in hydrogen and related industrial applications.

Capabilities

  • Suitable for hydrogen applications (ATEX IIC H₂ certified)
  • Provides one-way flow control via check valve mechanism
  • Operates with cracking pressure of 0.5 bar
  • Supports high-pressure operation up to PN 650 bar (up to 1034 bar for C&T connections)
  • Compatible with multiple industrial connection standards (DIN, NPT, SAE, C&T, UNEF)
  • Operates within temperature range of -40°C to +85°C
MHA ZENTGRAF GmbH & Co. KG

MHA ZENTGRAF GmbH & Co. KG is a German-based manufacturer specializing in high-quality industrial valves and piping components. The company focuses on precision engineering, offering solutions for demanding applications across industries such as oil and gas, chemical processing, and energy. Known for its reliability and technical expertise, MHA ZENTGRAF emphasizes durability, safety, and innovation in its products, serving customers worldwide.

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