CSM-81-F

Flow Measurement Valves

  • Accurate flow measurement for use in multiple applications
  • Easily accessible checked metering ports facilitate balancing and flow measurement
  • Positive shut off eliminates need for a separate service valve
  • Designed for long service life

Select options below to identify the UPC, Order Code, and Repair Kit for a specific CSM-81-F

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