China BS 5163 Flanged Resilient NRS Gate Valve Manufacturer, Supplier, Factory

Ductile iron pipes widely use flexible joints for connections. These joints allow the pipe to deflect and expand/contract within a certain range to accommodate ground settlement or temperature changes.

The following points need to be considered when selecting a water meter: Measurement requirements: Select the appropriate water meter type according to the flow rate and accuracy requirements to be measured. Installation environment: Consider the environment in which the water meter is installed, such as whether special

Ductile iron pipe, with its high strength, high toughness, excellent pressure and impact resistance, good corrosion resistance (combined with standard protective coatings), reliable sealing, long service life, and outstanding seismic performance, has become an indispensable "artery" in modern urban and industrial infrastructure. It primarily serves critical areas such as water supply, drainage, fire protection, industrial fluid conveyance, and hydraulic engineering. It is a fundamental material ensuring public safety, effective water resource utilization, and the normal functioning of cities.

The selection of urban water supply pipelines usually depends on the following factors: Material: Commonly used water supply pipeline materials include steel pipes, cast iron pipes, plastic pipes (such as PVC, PE, PPR), etc. Different materials have different characteristics, such as durability, corrosion resistance, and scope of application.

In industrial production and infrastructure construction, carbon steel pipes have become the core carrier for the transportation of liquids, gases and other media with their high strength and wide adaptability. Their performance stability and cost advantages make them occupy an irreplaceable position in many fields and are important basic materials to support industrial operations and engineering construction. ​

The Flanged Resilient Non-Rising Stem (NRS) Gate Valve is a shut-off valve with flanged connections and a non-ascending stem. Its core design features a rubber-coated wedge gate (Resilient Seat) and a non-rising stem mechanism. Rotating the handwheel drives the stem nut to move the gate vertically, sealing or opening the pipeline. Compliant with BS 5163/EN 1074 standards (pressure ratings PN10/16), the valve combines the strength of a metal body with zero-leakage elastic sealing.