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Home / Products / Fire Product / Grooved Non‑Rising Stem Resilient Seated Signal Gate Valve, Ductile Iron Fire Signal Gate Valve UL FM Certified for Fire Protection System

Grooved Non‑Rising Stem Resilient Seated Signal Gate Valve, Ductile Iron Fire Signal Gate Valve UL FM Certified for Fire Protection System

This grooved non‑rising stem signal gate valve is dedicated for fire‑protection sprinkler systems. Non‑rising stem design saves installation space. Ductile iron body with red epoxy coating provides good anti‑corrosion performance. EPDM resilient wedge realizes reliable bi‑directional shut‑off. Grooved ends realize quick site assembly. Equipped with signal feedback switch, it feeds valve opening‑closing status back to fire alarm host. UL & FM approved, widely used for commercial buildings, factories and large‑scale public fire‑fighting projects.
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Product Description

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Item

Parameter

Model

ZSZF‑16Q

Body Material

Ductile Iron

Seal Material

EPDM Rubber Wedge

Connection Type

Grooved End

Nominal Pressure

PN16

Applicable Media

Fire‑fighting water

Working Temperature

0℃ ~ 80℃

Size Range

DN50‑DN300

Main Features

  1. Ductile iron valve body, epoxy red coating, anti‑corrosion, fire‑fighting industry standard finish

  2. Resilient wedge rubber gate, bi‑directional zero leakage, low flow resistance when fully open

  3. Grooved end connection, fast installation for fire‑fighting grooved pipe system

  4. Built‑in signal feedback switch, remotely transmit valve open‑close status signal to fire control room

  5. Handwheel manual operation, visible mechanical position indicator on top

  6. UL, FM, CE certified, fully comply with international fire protection standards

Product Advantages

  1. directly meet overseas fire‑project acceptance requirements

  2. Integral signal switch, stable signal transmission, effectively avoid hidden dangers caused by accidentally‑closed valve

  3. EPDM full‑coated wedge, excellent sealing performance, zero‑leakage even under long‑term water pressure

  4. Grooved connection greatly shortens construction period, convenient for later maintenance and replacement

  5. Red epoxy anti‑corrosion coating, resist water‑medium erosion, long service life for underground and indoor fire pipelines

  6. Compact overall structure, easy for on‑site debugging, stable and reliable for long‑term standby fire‑fighting system

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Precision Valve Manufacturing

Professional Valve Manufacturer | Integrated Manufacturing

Raw Material Inspection

We select high-quality raw materials according to product specifications and international standards. All incoming materials are carefully inspected to ensure chemical composition, mechanical properties and traceability.

Forging & Casting

Advanced forging and casting processes are used to produce strong and reliable fire hydrant valve bodies and components. Strict process control ensures uniform structure, dimensional accuracy and excellent mechanical performance.

CNC Machining

Our CNC machining equipment provides precise and consistent processing of fire hydrant valve components. Critical dimensions, threads and sealing surfaces are strictly controlled to ensure accurate assembly and reliable sealing performance.

Surface Treatment

fire hydrant valve surfaces are professionally shot blasted to remove rust, scale and impurities. by epoxy powder coating, red fire‑retardant painting or hot‑dip galvanizing for long‑term anti‑corrosion performance.

Pressure Testing

Every fire hydrant valve undergoes strict pressure testing before shipment. Body and seat tests are performed according to applicable standards and customer specifications to verify pressure resistance and sealing reliability.

Quality Inspection

Our quality control team conducts comprehensive inspections throughout the production process. Finished valves are checked for dimensions, appearance, materials, pressure performance and overall quality before final approval and shipment.

What is the function of signal device?

It sends electric signal to fire control cabinet, to monitor whether the valve is fully open or closed.

Is this valve for flow regulating?

It is only for full‑open / full‑close isolation. Not allowed for throttling adjustment.

What connection type does it adopt?

Grooved connection, match fire‑fighting grooved pipe fittings.

For more products, please contact us

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Email: Eileenye@huhang.cn / tina@huhang.cn
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