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.
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 12 psig (2.15 mbarg to 827 mbarg)
Certification: ATEX and PED Approval
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