Supplier RegO LV4403TR4 (LP-Gas) regulator
WWW.DISTRIBUTORALATINDUSTRI.COM | Supplier RegO LV4403TR4 (LP-Gas) regulator | Supplier RegO LV4403TR4 (LP-Gas) regulator | The RegO LV4403TR4 is a high-pressure first-stage propane (LP-Gas) regulator designed to reduce fluctuating tank pressure to a stable intermediate pressure for two-stage LPG distribution systems. It is commonly installed directly at the storage tank and supplies an intermediate outlet pressure of 5–10 PSIG to a downstream second-stage regulator. The LV4403TR4 is suitable for residential, commercial, and industrial propane installations, as well as high-pressure burner systems, boilers, furnaces, and multiple-cylinder manifold applications.
Supplier RegO LV4403TR4 (LP-Gas) regulator

Product Description
- Product Name: First Stage Propane LP Gas Pressure Regulator
- Manufacturer: RegO
- Model: LV4403TR4
- Regulator Type: Direct-Acting First Stage Pressure Regulator
- Gas Service: Propane (LP-Gas) Vapor
- Application: First-stage pressure reduction in two-stage propane systems
- Connection Type: Female NPT × Female NPT
- Inlet Connection: 1/2″ FNPT
- Outlet Connection: 1/2″ FNPT
- Outlet Pressure Range: Adjustable 5–10 PSIG (0.34–0.69 bar)
- Factory Outlet Setting: 10 PSIG at 50 PSIG inlet pressure
- Orifice Size: 1/4 in. (6.35 mm)
- Vapor Capacity: Up to 2,500,000 BTU/hr (approximately 53 kg/hr of propane)
- Operating Temperature: –40°F to +165°F (–40°C to +74°C)
Construction Materials
- Body: Die-Cast Zinc
- Bonnet: Die-Cast Zinc
- Nozzle Orifice: Brass
- Spring: Steel
- Valve Seat Disc: Resilient Rubber
- Diaphragm: Fabric-Reinforced Synthetic Rubber
- Finish: Corrosion-resistant red coating
Key Features
- Designed for accurate first-stage pressure regulation in propane bulk tank systems.
- Reduces tank pressure to a stable intermediate pressure of 5–10 PSIG for downstream second-stage regulation.
- Large molded diaphragm provides excellent sensitivity and stable outlet pressure.
- Bonnet vent positioned above the outlet helps minimize icing and contamination.
- Large 3/4″ FNPT vent allows vent piping installation where required.
- Built-in 1/8″ FNPT pressure tap for convenient outlet pressure measurement.
- Replaceable valve seat disc and nozzle simplify maintenance.
- Straight-line valve closure minimizes seat wear and extends service life.
- Heavy-duty die-cast zinc construction provides excellent corrosion resistance for outdoor installations.
- Suitable for continuous service in demanding commercial and industrial LPG applications.
Typical Applications
- Bulk propane storage tanks
- Two-stage LP-Gas distribution systems
- Industrial furnaces
- Boilers
- Commercial process heating
- Multiple-cylinder propane manifold systems
- Agricultural heating equipment
- Industrial burners
- Temporary construction site heating
- Commercial LPG installations
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