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  • FM Approvals 1221
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FM Approvals 1221

  • Backflow Preventers (Reduced Pressure Principle and Double Check Valve Types)
  • standard by FM Approvals, 02/01/1987
  • Publisher: FM Approvals

$25.00$50.00


This standard states FM Approval requirements for backflow preventers of the reduced pressure principle or doubel check valve types

Product Details

Published:
02/01/1987
Number of Pages:
12
File Size:
1 file , 72 KB

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