
Engineered Controls Compact Twin Stage Regulator 1/4" x 1/2" F. NPT LP Gas
Part/SKU: LV404B4
$149.78
In stock
Available to order: 25.
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Start your regulator selection at the tank: the first stage supplies the intermediate pressure needed by a separate downstream regulator.
| Product type | First-stage LP gas regulators |
|---|---|
| Part / SKU | LV4403SR9 |
| Inlet connection | Female POL |
| Outlet connection | 1/2 in. female NPT |
| Factory delivery | 5 PSIG |
| Bonnet vent | Over outlet |
| Propane vapor capacity | 2,500,000 BTU/hr; rating conditions: inlet 20 PSI above setting, delivery 20% below setting |
| Adjustment range | 1–5 PSIG |
Service reminder: Include vent condition in routine service. Debris, insects, snow or water can obstruct it; any vent extension must follow the model instructions. Replace a regulator that has been submerged.
Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.
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Engineered Controls High Pressure First Stage LP Gas Regulator – MFG# LV4403SR9This heavy-duty first stage gas regulator is designed for two-stage bulk propane systems to provide precise regulation and consistent performance. It reduces tank pressure to an intermediate 5 PSIG output, ideal for supplying high-pressure burners used in industrial furnaces, boilers, and other large-scale LP gas applications.Built to handle 2,500,000 BTU/hr, it
F. POL inlet and 1/2″ F. NPT outlet connectionsLarge 3/4″ FNPT vent to prevent blockageReplaceable valve orifice and seat disc for extended service lifeBuilt-in 1/8″ FNPT pressure tap for easy system monitoringExtra long lever arm and integral relief valve for stable deliveryDurable molded diaphragm highly sensitive to pressure changesApplications:LP gas bulk tank systemsMulti-cylinder propane installationsIndustrial process heatingLarge commercial kitchens and boiler systemsThis unit comes in a brilliant red finish for easy identification and features a redesigned bonnet with clear model and date coding for service tracking.
Inlet: F. POLOutlet: 1/2″ F. NPTPressure (Factory Delivery): 5 PSIAdjustment Range: 1–5 PSIGOrifice: 1/4″Capacity: 2,500,000 BTU/hr
| Part / SKU | LV4403SR9 |
|---|
Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.
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