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1645

Class 600, RTJ Carbon Steel or Stainless Steel Chexter Tilting Disc Check Valves

  • Single moving part ensures long, trouble-free service life
  • Self-actuating valve opens fully at very low pressure differential and adapts to all flow conditions
  • RTJ (ring-type joint) face valve
  • Eccentrically mounted, contoured disc design yields flow coefficients much higher than most check valves

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 1645

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet 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