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Fail Safe Design Valves:

PVC Diaphragm Air Valves

Important Features:
  • Body materials - PVC - Polypropylene or PVDF
  • Diaphragm materials - Viton - EPDM
  • Normally closed (spring to close, air to open)
  • No pistons, springs or O-Rings in solutions
  • Top Entry
  • Type 30 - maximum line pressure 30 PSI, minimum air to open valve 40 PSI
  • Type 60 - maximum line pressure 60 PSI, minimum air to open valve 80 PSI
Teflon® Diaphragm - POA

"Fail-Safe" Diaphragm Air Valves
Part # Size Pressure Material
FC-AD50V30 1/2" 30 PSI PVC
FC-AD50V60 1/2" 60 PSI PVC
FC-PAD50V30 1/2" 30 PSI POLYPRO1
FC-PAD50V60 1/2" 60 PSI POLYPRO1
FC-KAD50V30 1/2" 30 PSI PVDF2
FC-KAD50V60 1/2" 60 PSI PVDF2
1Polypropylene
2Polyvinylidene Fluoride
Dimensions
Size A B C D
1/2" 1.125 3.00 1.125 3.80

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