Low Pressure REGO LV3403B4 regulator

1. General Specifications

Type: Compact Second Stage LP-Gas Regulator

Application: Reduces first-stage pressure (5–20 PSIG) down to appliance burner pressure (normally 11" w.c.)

Vapor Capacity: 450000 BTU/hr (approx. 9.49 kg/hr)

Finish: Select Brown

2. Pressure Ratings & Connection Specifications

Inlet Connection: 1/2" F.NPT

Outlet Connection: 1/2" F.NPT

Orifice Size: 7/32" (5.56 mm)

Inlet Pressure Range: 5 to 20 PSIG (0.34 to 1.38 barg)

Factory Delivery Pressure: 11" w.c. (27.4 mbar) at 10 PSIG inlet

Adjustment Range: 9" to 13" w.c. (22.4 to 32.3 mbar)

Bonnet Vent Tapping: 3/8" F.NPT

Pressure Test Taps: 1/8" F.NPT on both inlet and downstream sides (3/16" hex Allen plug)

3. Material Construction

Body: Zinc

Bonnet: Zinc

Spring: Steel

Seat Disc: Resilient Rubber

Diaphragm: Integrated Fabric and Synthetic Rubber

4. Key Features

Built-in integral pressure relief valve compliant with NFPA 58

Large vent profile to prevent blockage and minimize vent freeze-over

Designed to limit downstream pressure to no more than 2 PSIG at 15 PSIG inlet if seat disc is removed