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pressure-vacuum relief valve w- pipe-away

MODEL 1220A

Pressure/Vacuum Relief Valve w/ Pipe-Away

Size:

2″ (DN 50) through 12″ (DN 300)

Material:

Available in aluminum, carbon steel, stainless steel, fiberglass and other materials

Pressure:

0.5 osig to 15 psig (2.15 mbarg to 1.03 barg)

Vacuum:

0.5 osig to 7.35 psig (2.15 mbarg to 506 mbarg)

Certification:

ATEX and PED Approval

Model 1220A is used for pressure and vacuum relief where vapors must be piped away. Escaping vapors are piped away through a flanged outlet connection. This helps to provide increased fire protection and safety.

Features

  • The flanged outlet connection allows escaping vapors to be piped away, instead of released directly to the atmosphere
  • Peripheral and central seat guides ensure reliable, repeatable performance
  • A wide seat and air-cushion seal keeps leakage low long after the valve is put in service
  • Self-draining housing body and drip rings protect seating surfaces from condensate and freezing, increasing operational reliability
  • Fluoropolymer seating diaphragms are standard to minimize sticking caused by resinous vapors and atmospheric moisture

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