Fireguard FGO135 4″ OS&Y Gate Valve 300 PSI Grooved Type UL Listed

Name: Fireguard FGO135 4" OS&amp;Y Gate Valve 300 PSI Grooved Type UL Listed
Brand: Fireguard
SKU: 12571
Availability: InStock

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AED 756.00

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The Fireguard FGO135 4″ OS&Y Gate Valve 300 PSI Grooved Type is a heavy-duty ductile iron isolation valve designed for fire protection water supply lines. Featuring an Outside Screw & Yoke (OS&Y) design, a 300 PSI pressure rating, and grooved ends, it provides visual open/closed status and reliable fluid control in fire sprinkler and standpipe systems

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Category: Fire Fighting Valves

Brand: Fireguard

Description

The Fireguard FGO135 4″ OS&Y Gate Valve 300 PSI Grooved Type is engineered to maintain safety integrity and deliver dependable shut-off control across commercial sprinkler risers, fire pump suction/discharge lines, and industrial standpipe infrastructure. Constructed with a high-strength ductile iron body and an EPDM-encapsulated wedge disc, this 4-inch (DN100) grooved gate valve ensures bubble-tight sealing with minimal pressure loss. The Outside Screw & Yoke (OS&Y) arrangement keeps the stem threads outside the waterway, protecting them from internal corrosion while giving system operators an instant visual confirmation of the valve’s position. Designed for rapid assembly with standard grooved couplings, its resilient seating and epoxy coating deliver long-term service life under demanding system pressures.

Features

Outside Screw & Yoke (OS&Y) design ensures external stem threads remain unexposed to line fluids and provides immediate visual position indication
Resilient EPDM-encapsulated wedge guarantees bubble-tight bi-directional shutoff and smooth operation with low torque
Grooved end profile enables fast, flame-free mechanical installation, substantially lowering piping setup time and labor costs
Full-bore internal fluid pathway minimizes friction loss and delivers optimal water flow rates for critical fire suppression demands
Tough electrostatic fusion-bonded epoxy coating offers superior internal and external protection against rust and mechanical abrasion

Specifications

Brand: Fireguard
Model / Series: FGO135
Nominal Size: 4 Inch (DN100) / 114.3 mm Outer Diameter
Product Type: OS&Y (Outside Screw & Yoke) Resilient Seated Gate Valve
End Connection: Grooved Ends (to AWWA C606 / ISO 6182 Standards)
Maximum Working Pressure: 300 PSI (20.7 Bar / PN20)
Body & Bonnet Material: Ductile Iron ASTM A536 (Grade 65-45-12)
Wedge / Disc Material: Ductile Iron fully encapsulated with EPDM Rubber
Stem Material: Stainless Steel (SS420 / SS304 / Brass options)
Handwheel Material: Ductile Iron / Cast Iron
Protective Finish: Fusion-Bonded Epoxy Coating (Internal and External, AWWA C550)
Operating Temperature Range: -10°C to +82°C
Mounting Position: Vertical or Horizontal Pipe Run Installation
Standards & Certification: UL Listed, FM Approved, CE Certified

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