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600-Z3 Watts

Steam Check Valves

Series 600-Z3 Steam Check Valves are used in high cycle steam applications. They feature a bronze body and heavy internal construction for longer life, conical 316 stainless steel disc for full fluid flow, Super Teflon seat for higher temperature rating, and heavy duty stainless guide road to enhance disc guidance. The Series has a low pressure drop and can be installed in a horizontal or vertical position. Maximum Pressure: 400psi (27.6 bars) WOG non-shock @ -20°F to 100°F (-29°C to 38°C); 150psi (10 bars) WSP @ 366°F (186°C)


  • Low pressure drop equivalent to a swing check
  • Performs silently and efficiently in high cycle high temperature steam applications
  • Designed and constructed for full flow and longer life

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Select options below to identify the UPC, Order Code, and Repair Kit for a specific 600-Z3

Approval Information

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