HT-89P Plastic Air Release-Vacuum Relief Valve

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HT-89P Plastic Air Release / Vacuum Relief Valve



Made of engineering plastic for durability, these safety valves help in avoiding possible damages to pipes and accessories. When the pipe is being filled, the air release valve remains open expelling all the surplus air outside the installation and when the pipe is full of water, air release valve closes tightly.


Durable, Weather Resistant and Non-corrosive Made of reinforced Polypropylene.

Maximum working pressure :

  • HT-87P & 88P-100 psi
  • HT-89P,90P & 91P – 175psi

Seals at 5 Psi.

Available in :

  • 3/4" BSPT Male Thread Connection : HT-87P
  • 1” BSPT Male Thread Connection: HT-88P
  • 11/2" BSPT Male Thread Connection: HT-89P
  • 2” BSPT Male Thread Connection: HT-90P
  • 3” BSPT/NPT Female Thread Connection: HT-91P

*NoteTransportation charges extra.

Weight 2.1 kg
Dimensions 122 × 145 × 321 cm

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