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Home > Products > Valve > Grooved Non-rising Stem Soft Seal Signal Gate Valve

Grooved Non-rising Stem Soft Seal Signal Gate Valve

Size range: 2"-12" (DN50-DN300)
Design standard: ISO 6182
Working pressure: PN10, PN16, PN25

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Product description

This valve adds a signal sensing function based on ordinary valves, which is used to transmit the status signal when the valve is fully open. The valve is mainly used to connect and cut off the medium in the pipeline. The valve stem rotates, and its transmission thread is inside the body cavity, which can save installation space. The entire gate is coated with rubber. The elastic deformation of the rubber enables the valve to fit tightly when closed, achieving excellent sealing effects and thus zero leakage. There are no gate grooves in the valve cavity, so no debris will be retained, resulting in extremely low fluid resistance and lighter switching operations.

Customer challenge

The opening and closing torque of the gate valve is large.

Bolts are prone to rusting.

The upper seal and middle flange of the gate valve are prone to external leakage.

The gate of the gate valve is prone to internal leakage.

Product function

Low operating torque function

Rust-proof function

Anti-external leakage function

Anti-interna

The valve can be easily closed with a torque of 80% of the nominal diameter (DN), achieving zero leakage under nominal pressure.

The bonnet and gland adopt countersunk wax-sealing design, with no exposed bolts, completely solving the problem of bolt rusting.

The upper seal features a 3-O-ring design to ensure no dripping during the dynamic movement of the valve stem; the middle flange adopts a self-sealing design, with the gasket utilizing the O-ring principle. The greater the pressure in the valve cavity, the tighter the rubber is compressed, resulting in more reliable sealing.

The gate plate is manufactured using advanced dual-mode glue injection molding and high-temperature vulcanization processes. The rubber surface of the gate plate has no exposed positioning points, achieving 100% full coverage. The rubber is evenly distributed with stable dimensions, ensuring excellent sealing performance.

Value advantage

Energy conservation and environmental protection

The surface treatment adopts non-toxic epoxy resin powder, which is sprayed by an automatic plastic spraying line to ensure the thickness, continuity and uniformity of the plastic layer.
Excellent material quality

All ductile iron castings are self-cast, adopting domestically leading wire-feeding nodulizing technology. The nodulization rate is over 90%, and the quality requirements are higher than the national standards.
Low flow loss

Full-channel design ensures low flow loss, contributing to energy conservation and consumption reduction.
Low torque

Under the rated working pressure, the opening and closing torque is not higher than 80% of the requirements specified in the national standards.
Reliable sealing

The gate is produced using advanced glue injection vulcanization technology, featuring uniform rubber thickness without exposure, 100% full coverage, and stable dimensions; the upper seal adopts a design of 3 O-rings plus 1 dust-proof ring, ensuring reliable sealing performance.

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