103MAT

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Class 250 Cast Iron Standard Wafer Silent Check Valves

Series 103MAT Class 250 Cast Iron Standard Wafer Silent Check Valves are designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge.

Features

  • Compact, lightweight wafer design saves space
  • Disc begins to open at 0.5 psi (34.5 kPa), and opens 1/3 inch per inch of line size for enhanced flow
  • Disc is fully guided at top and bottom to ensure alignment and sealing at any installation angle
  • Sizes: 1 in. to 10 in. (25 to 250 mm)

Literature

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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