600-Z3

Steam Check Valves

  • Performs silently and efficiently in high cycle high temperature steam applications
  • Designed and constructed for full flow and longer life
  • Low pressure drop equivalent to a swing check
  • Can be installed in a horizontal or vertical position

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA