Yarway Series 4000

Yarway Series 4000

The Series 4000 is used for a variety of services

The 4000 series Y-pattern lift check valves are designed for ASME boiler and pressure vessel code, section I locations and are recommended for applications where leak tight prevention of flow reversal is required. The type 4080 is especially efficient in high pressure, high temperature steam, water and chemical applications.

Features:
  • All valves are equipped with high temperature Inconel® springs as standard equipment. 
  • Disc is fully guided and vented for accurate seat contact, smooth operation and maximum lift. 
  • Spring-loaded disc ensures positive closure, regardless of mounting position. 
  • The stainless steel disc is hardened, ground and lapped to ensure leak-free sealing over the valve’s full pressure/ temperature range. 
  • All internal surfaces are accurately machined to provide maximum performance. 
  • Full compliance with section 1 of the ASME boiler and pressure vessel code and ASME B16.34.
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