GD-381X Grooved Butterfly Valve
The GD-381X is a grooved-end butterfly valve featuring an integrated supervisory tamper switch and a signal gearbox, engineered primarily for fire protection and life safety piping systems
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GY46X-300 Deluge Valve Flanged End 300 PSI
The GY46X-300 is a diaphragm-style Deluge Valve featuring flanged connection ends. Engineered by Ningjin APC Industries for high-hazard fire protection infrastructure, this quick-opening valve utilizes system water pressure to hold the internal diaphragm closed until it is actuated by a fire detection system (electrical, pneumatic, or manual).
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MH-XQH 300 Swin Check Valve Flanged End 300 PSI
The MH-XQH-300 Swing Check Valve is a flanged-end fire protection valve designed to automatically prevent backflow in high-pressure water pumping systems, sprinkler installations, and high-rise standpipe lines. Originally manufactured under the Ningjin APC Industries brand, this industry-standard model is distributed globally by major fire protection equipment providers.
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MH-XQH 350 G -350 PSI Swin Check Valve Grooved End
The MH-XQH-350G is a high-pressure, grooved-end swing check valve designed for fire protection and commercial piping infrastructure. It is engineered to allow fluid to flow in a single direction while completely preventing backflow
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PFE00A-00B Pressure Guage 300 PSI
The PFE-00A / PFE-00B is a high-reliability dial pressure gauge engineered by Ningjin APC Industries specifically for monitoring air and water pressures in commercial and residential fire sprinkler networks
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SSBJ- Wet Alarm Check Valve
The SSBJ-300 Series Wet Alarm Check Valve (manufactured by Ningjin APC Industries) is a specialized waterflow control valve designed for wet pipe automatic fire sprinkler networks. It prevents the reverse flow of water (backflow) from the system piping into the water supply and is engineered to automatically trigger a mechanical or electrical alarm during sustained sprinkler head discharge
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Z41-300 A 300 PSI OS&Y Gate valve Flanged End
The Z41-300A (or Z41-300) is an Outside Screw and Yoke (OS&Y) resilient wedge gate valve with flanged connection ends. Manufactured by Ningjin APC Industries for heavy-duty fire protection networks, its external stem design provides a reliable, instant visual reference of the valve’s open or closed status.
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Z45-300 A NRS Gate Valve 300 PSI
Ningjin APC Industries Z45-300A (or Z45-300) is a Non-Rising Stem (NRS) resilient wedge gate valve engineered for space-constrained, high-pressure fire protection infrastructure. Because the stem remains inside the valve body during operation, it is ideal for shallow underground pipelines, wall vaults, and areas with limited vertical overhead clearance.
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Z81-300 A 300 PSI OS&Y Gate Valve Grooved End
The Z81-300A (or Z81-300) is an Outside Screw and Yoke (OS&Y) resilient wedge gate valve featuring grooved connection ends. Manufactured by Ningjin APC Industries and engineered for severe-duty fire protection infrastructure, its OS&Y design provides an immediate visual confirmation of whether the valve is physically open or closed
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ZSJ-YM -450 Vane- Type Water Flow Indicator
The ZSJZ-YM-450 is a heavy-duty, saddle-style vane-type waterflow indicator manufactured by Ningjin APC Industries. It is engineered to detect a sustained movement of water within automatic fire sprinkler piping and transmit a corresponding electrical signal to alarm networks
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ZSJY 1.6BP Universal Pressure Switch
The ZSJY 1.6BP is a high-precision, universal waterflow alarm and supervisory pressure switch manufactured by Ningjin APC Industries. It is specifically engineered to detect pressure changes in automated fire protection sprinkler systems—including wet pipe, dry pipe, pre-action, and deluge valve systems