
A gate valve is a type of valve used to start or stop the flow of fluid in a pipeline. It is designed with a gate (or wedge) that slides into or out of the flow path to either obstruct or allow the passage of the fluid. Gate valves are commonly used in situations where the flow needs to be fully turned on or off, rather than being modulated or throttled.
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Forged Steel Gate Valve | API 602 | High Pressure | FactoryForged Steel Gate Valve — precision-forged from solid steel blocks (no internal voids, compressed grain, superior strength) for high-pressure/high-temperature on-off flow control. Conical seal withread more
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Anti-theft Gate Valve | Magnetic/Mechanical Lock | IP67 F...Anti-theft Gate Valve — integrates fluid interception, flow regulation, and anti-theft protection in one unit for industrial/municipal pipelines. Anti-theft options: mechanical lock, magneticread more
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High Pressure Gas Flat Gate Valve | API 6D | 40MPa | Full...The High Pressure Gas Flat Gate Valve is a parallel slide gate valve for high-pressure gas pipeline isolation — including natural gas and H₂S/CO₂-containing gas. It delivers bidirectionalread more
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Gas Flat Gate Valve | API 6D | Soft Seated | Full Bore Pi...The Gas Flat Gate Valve is a parallel slide gate valve for gas transmission and distribution isolation — natural gas, city gas, LPG, and LNG. It delivers bidirectional zero-leakage sealing viaread more
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Parallel Flow Hole Gate Valve | API 6D | Vented/Non-Vente...The Parallel Flow Hole Gate Valve is a dual-parallel-disc sliding valve for industrial pipeline shut-off — vented (with flow hole) or non-vented. Floating seats with pre-loading and polished flatread more
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Pneumatic Flat Gate Valve | API 6D | Double/Single Acting...The Pneumatic Flat Gate Valve is a parallel double-gate sliding valve driven by pneumatic actuator for automated pipeline isolation — petroleum, chemical, water treatment, natural gas, urban gas.read more
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Electric Flat Gate Valve | API 6D | Rotork/AUMA | Remote ...The Electric Flat Gate Valve is an API 6D/API 6A compliant motorized flat gate valve for automated pipeline isolation. Fitted with Rotork, AUMA or domestic electric actuators, it supports remoteread more
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Medium-pressure Flat Gate Valve | API 6D | PN1.6-6.4MPa |...The Medium-pressure Flat Gate Valve is a parallel-slab isolation valve for PN1.6–6.4MPa (Class150–300LB) industrial pipelines, built to API 6D & JB/T5298. Floating pre-loaded seats withread more
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Wedge Concealed Shaft Gate Valve | API 600 | Non-Rising S...Wedge-type Concealed Shaft Gate Valve (Non-Rising Stem) — multi-turn isolation valve with tapered wedge disc for on-off control in industrial pipelines. Fully concealed stem saves space and resistsread more
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Fast Drain Valve | Quick Opening Blowdown | Boiler/Heat E...The Fast Drain Valve (Quick Draining Valve) is a quick-opening full-port valve for rapid drainage, sludge removal, and pressure relief in industrial pipelines and equipment — including boilerread more
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Water Sealing Gate Valve | Vacuum & High Pressure | DN15-...Water Sealing Gate Valve — specialized shut-off valve with water-circulated sealing stuffing box; inject water at 0.6–1.0 MPa to fully isolate system from atmosphere, zero leakage under high-pressureread more
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Dark Shaft Gate Valve | Non-Rising Stem | Buried & Underg...Dark Shaft Gate Valve (Inside Screw Non-Rising Stem) — stem rotates inside body without axial lifting; fixed overall height saves vertical space, ideal for buried pipelines, underground valve wells,read more
Key Characteristics of Gate Valve Series
Design
Gate valves typically have a linear motion, and the gate moves up and down to open or close the valve. When the valve is fully open, the gate is completely out of the flow path, which results in minimal pressure drop and flow resistance.
Material
The gate is usually made from materials like cast steel, stainless steel, or other alloys, depending on the pressure, temperature, and type of fluid being controlled.
Sealing Mechanism
The gate is often wedge-shaped, and its sealing mechanism ensures a tight shutoff when the valve is closed, preventing leaks.
Operation
Gate valves are operated by turning a handwheel or actuator, which moves the gate up or down.
Applications
Water Supply Systems
To control the flow of water in municipal water systems.
01
Oil & Gas Pipelines
Used to control the flow in high-pressure oil and gas pipelines.
02
Chemical Processing
Used to isolate sections of piping systems in chemical plants.
03
Power Plants
Gate valves are used in cooling systems and other high-pressure sections.
04
HVAC Systems
Employed for controlling the flow of liquids and gases in heating and cooling systems.
05
Advantages
Minimal Flow Resistance
When fully open, gate valves provide minimal resistance to fluid flow, making them ideal for applications where full-flow is necessary.
Tight Sealing
Gate valves provide a very tight seal when closed, which makes them effective at stopping fluid flow.
Simple Operation
Easy to operate, with clear indications of whether the valve is open or closed.
In summary, gate valve series refers to the different models and configurations of gate valves designed to suit various industrial applications. They are widely used in systems requiring isolation or complete shut-off of flow and are known for their ability to minimize flow resistance when fully open.
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