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Maxitrol Selectra Electronics
    
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Vent Limiting Means
A vent limiting orifice or device when used with Maxitrol regulators does not release or relieve gas into the environment during normal operation.

Vent limiters are designed for use indoors and in spaces where limiting the amount of gas escapement due to diaphragm failure is critical. Vent limiters should not be used outdoors if they are exposed to the environment. 13A15 Vent Protector is availble for outdoor use when vent protection is required.

 
Literature: Regulator Accessories [MP 2037] 08/02  
MODEL
   
12A04   Optional Automatic Vent Limiting Device for RV48, RV52, RV53, RV61
12A06 Optional Vent Limiting Orifice for RV48, RV52, RV53, RV61
12A09   Optional Automatic Vent Limiting Device for 325-3, 325-3L,
325-3L47 (regulator only), 325-3L48 (regulator & OPD),
325-5AL48 (OPD only), 325-5AL600 (OPD only)
12A34   Optional Automatic Vent Limiting Device for RV81
(consult Maxitrol regarding vent limiter use)
12A39 Optional Automatic Vent Limiting Device for 325-5A, 325-5AL,
325-5AL48 (regulator only), 325-5AL600 (regulator only)
Notes:
  • Vent Limiting Means must be ordered as a separate line item.
  • The OPD47 has an integral vent limiting orifice w/ dust cap.
  • Vent Limiting Devices are designed for use indoors and spaces where limiting the amount of gas escapement due to diaphragm failure is critical. Vent Limiting Devices should not be used outdoors
    if there is a chance they will be exposed to the environment.