HERZ CAST IRON DOUBLE DOOR (DUAL PLATE) CHECK VALVE

The HERZ 2622-3X Dual Plate Check Valve from HERZ Armaturen is a wafer-type non-return valve designed for compact installation between flanges. Its spring-loaded double-disc design ensures rapid closure, reducing water hammer and maintaining flow efficiency.

Constructed from cast iron (GG25) with CF8 stainless-steel discs and EPDM seats, it meets EN 12334 standards and operates reliably in both hot and cold-water applications.

Powder epoxy coating provides corrosion protection for long-term performance in HVAC, district energy, and water distribution systems.

  • 🔹 Body: Cast iron (GG25)
  • 🔹 Discs: Stainless steel (CF8)
  • 🔹 Seat: EPDM
  • 🔹 Spring / Pin / Bearings: Stainless steel
  • 🔹 Nominal Pressure: PN16
  • 🔹 Temperature Range: -10°C to +110°C
  • 🔹 Connection: Wafer type (EN 1092-2 flange pattern)
  • 🔹 Design Standard: EN 12334
  • 🔹 Coating: Blue epoxy (RAL5000)
  • 🔹 Sizes: DN65–DN600
  • 🔹 Kvs Range: 110–15,752
  • 🔹 Compact wafer-type body saves installation space.
  • 🔹 Spring-assisted plates minimize water hammer.
  • 🔹 Durable stainless-steel internals.
  • 🔹 Suitable for horizontal and vertical installation.
  • 🔹 Low pressure loss and fast closing response.
  • 🔹 Central HVAC and chilled water systems.
  • 🔹 Water treatment and pump stations.
  • 🔹 District heating and cooling networks.
  • 🔹 Industrial water and process piping.
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