Marshall Excelsior 1122H & 1222H First Stage Propane Regulator
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These first stage regulators are used to reduce LP gas tank pressures for a second stage regulator (normally 10 PSIG). All MEC first stage regulators are red indicating high outlet pressure. Compact First stage regulator vents have 3/8” FNPT tapped ports and E-Z Grip screens located over the outlet. The MEGR-1222H series offers optimal relief performance that well exceeds UL test requirements providing double failure overpressure protection when used with MEC MEGR-1622, MEGR-1642 & MEGR-1652 Series Second Stage regulators. All MEC Excela-FloTM domestic regulators feature a 25 year recommended replacement life and our exclusive 3 part tear away leak check adhesive sticker.
1122H and 1222H Series Offers a compact first stage regulator design perfect for tight applications such as underground tank domes. They feature an adjustment range from 9-12 PSIG (factory set @ 10 PSIG), stainless steel internal components, fluorocarbon (FKM) seat discs, molded lip fabric reinforced diaphragms and large aluminum precision machined orifice to minimize freeze ups while providing superior downstream regulation and maximum corrosion resistance against weather or contaminated gas.
Type: First Stage
Max. Inlet Pressure: 250 PSIG
Exterior Finish: Red Powder Coat
Interior Finish: Red Powder Coat
Orifice Size: 0.15”
Seat Material: Fluorocarbon (FKM)
Diaphragm: Fabric Reinforced NBR/Molded Lip O-Ring Bonnet/ Body Seal
Relief Type: Internal Relief - Spring Loaded
Bonnet / Body Material: Die Cast Aluminum
Listings: CUS/UL 144
Mounting Holes: Standard 3-1/2” Center
Pressure Taps: #54 Orifice 1/8” FNPT Plugged (2)
Relief Travel Stop: Molded in Adjustment Cap - Grey
Accessories:
Resources:
- Marshall Excelsior Product Bulletin for First Stage Propane Regulators (1122H and 1222H)
- Marshall Excelsior - Sentinel (TM) Dielectric Inlet Reference Guide
- Installation and Operation Instructions for: 1100, 1200 & 1600 EXCELA-FLO series regulators
- Instrucciones de instalación y operación Excela-Flo reguladores de las series 1100, 1200 y 1600
