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This compact two-stage regulator is designed to reduce container pressure down to 11” w.c. delivery pressure. It is ideal for “on-site” cylinder applications, mobile homes and average domestic service including small ASME and 100 to 420 pound DOT cylinders.
Features:
- Incorporates integral relief valve.
- With 15 PSIG inlet pressure, regulator is designed to not pass more than 2 PSIG with the seat disc removed.
- Large vent helps prevent blockage and has ¾” F. NPT for vent piping.
- Compact size allows for easy installation — especially under container hoods and within collars.
- Vent on the first stage is consistently in the down position.
- Built in pressure taps on both first and second stage regulators have plugged ⅛” F.NPT outlets. Plugs can be removed with a 3⁄16” hex allen wrench.
- Select brown finish
Part Numbers:
| Part Number | Orifice Size | Factory Delivery Pressure | Adjustment Range 2nd Stage | Vapor Capacity BTU/hr Propane* |
| All Models | 3/16” | 11” w.c. at 100 PSIG Inlet | 9” - 13” w.c. | 525,000 |
Maximum flow is based on 25 PSIG inlet pressure and 9” w.c. delivery pressure
| Part Number | Inlet Connection | Outlet Connection | Bonnet Vent Position 1st Stage | Bonnet Vent Position 2nd Stage |
| LV404B4 | ¼” F. NPT | ½” F. NPT | Down | Over Outlet |
| LV404B4V9 | ¼” F. NPT | ½” F. NPT | 9 o’clock | 9 o’clock |
| LV404B46 | ¼” F. NPT | ¾” F. NPT | Down | Over Outlet |
| LV404B46V9 | ¼” F. NPT | ¾” F. NPT | 9 o’clock | 9 o’clock |
| LV404B9 | F. POL | ½” F. NPT | Down | Over Outlet |
| LV404B9V9 | F. POL | ½” F. NPT | 9 o’clock | 9 o’clock |
| LV404B96 | F. POL | ¾” F. NPT | Down | Over Outlet |
| LV404B96V9 | F. POL | ¾” F. NPT | 9 o’clock | 9 o’clock |
Resources:
- LV404B4 and LV404B9 Series Compact Twin Stage Regulators Datasheet
- Rego Regulators Catalog
- Rego LP-Gas Serviceman’s Manual
- Rego Regulators Product Guide
Also See:
- Rego Brackets
- Rego LV404B34 Series Compact Twin Stage Regulators for LP-Gas
