Shield NF-PRV-DF80 Pressure Reducing Valve (Double Flanged)

SKU: SHIELD-0025

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Delivery within two days all over UAE.

The Shield NF-PRV-DF80 Pressure Reducing Valve (Double Flanged) is a heavy-duty, pilot-operated automatic valve designed to reduce high upstream pressure to a stable, lower downstream pressure within water-based fire protection networks.

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Category: Fire Fighting Valves

Brand: Shield

Description

The Shield NF-PRV-DF80 Pressure Reducing Valve (Double Flanged) is a premium fluid control valve engineered to maintain a constant, preset downstream pressure regardless of changing upstream pressures or varying flow demands. Constructed with a robust ductile iron body and an advanced epoxy protective coating, this valve operates via a highly responsive pilot control system that compensates automatically for fluid fluctuations. Featuring a double-flanged end configuration compliant with international standard dimensions, the valve offers excellent structural stability and secure integration. It safely supports a maximum working pressure of up to 300 PSI, making it ideal for high-rise building zones, main distribution lines, and commercial fire sprinkler systems.

Features

Dual SPDT Switch Matrix: Equipped with two independent sets of Single-Pole Double-Throw contacts, enabling simultaneous signaling to a local fire alarm control panel and an auxiliary monitoring device or dialer.
Rugged Weatherproof Shielding: Protected by a robust NEMA 4X / IP66 die-cast aluminum housing that safeguards internal mechanical contacts against driving rain, dust, and corrosive industrial conditions.
Precision Adjustable Actuation: The spring-loaded stainless steel trip rod features adjustable tracking alignment to accommodate varying stem diameters and groove depths across different valve brands.
Tamper-Proof System Security: Outfitted with specialized security fasteners on the enclosure cover to prevent unauthorized field adjustments, bypass attempts, or structural vandalism.
Seamless Field Wiring Integration: Built with dual knockout conduit entries and accessible internal terminal blocks to streamline electrical connections and conductor organization during field installation.

Specifications

Brand: Shield
Model: NF-PRV-DF80
Type: Pilot-Operated Pressure Reducing Valve
Connection Type: Double Flanged (EN1092-2 PN10/PN16 / ANSI B16.1 Class 150)
Nominal Size: DN80 (3 inches)
Maximum Working Pressure: 300 PSI (20.7 bar)
Outlet Pressure Adjustment Range: 65 to 165 PSI (4.5 to 11.4 bar)
Body Material: Ductile Iron
Coating: Fusion Bonded Epoxy (FBE) Interior & Exterior (AWWA C550)

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