Product:Flanged Resilient NRS Gate Valve
Code:Z45
Size: 2"-12"(DN50-DN300)
Material: Ductile iron ASTM A536, 65-45-12/Cast Iron ASTM A126 Class B/EN-GJS-450-10/ ENJS1040
Dimension: AWWA C515,ASME B16.10,BS5163,AWWA C503, BS & DIN Standard, BS750,EN1074,BS EN14339, BS 5041, BS 5154
Connection: AWWA C606, ASME B16.1 CL 125, ISO 5211,ASTM A888, ISO 6182, BS EN 1092-2
Pressure Rating: 200PSI
Temperature: -10-120 ºC
Surface Treatment: ANSI/AWWA C550,Epoxy coated interior and exterior by Electrostatic
Certificate: UL Listed/FM Approved /NSF/ANSI61&NSF/ANSI 372
Medium: Water, gas etc.
The Flanged Resilient NRS Gate Valve is a commonly used valve in water supply and fire protection systems. It is designed to control the flow of liquids by raising or lowering a gate inside the valve body. The "flanged" ends refer to its connection type-flanges allow for secure, bolted connections to pipelines, which makes installation and maintenance easier and more reliable. This is especially important in high-pressure applications or systems that require a strong, leak-proof joint.
The term "resilient" refers to the soft, flexible material-typically EPDM or NBR rubber-that is bonded to the wedge or gate of the valve. This resilient seat ensures a tight seal even in the presence of small debris or slight pipe misalignment. It helps provide a bubble-tight shutoff, enhancing the valve's reliability and performance over time.
NRS, or Non-Rising Stem, means that the stem of the valve does not move up or down as the valve is opened or closed. Instead, it rotates in place. This design is particularly useful in installations where vertical space is limited, such as underground pipelines or confined mechanical rooms. The stem remains inside the valve body, reducing the risk of damage and making the valve more compact.
Overall, flanged resilient NRS gate valves are valued for their durability, easy maintenance, and excellent sealing capabilities. They are widely used in potable water systems, industrial pipelines, wastewater networks, and fire sprinkler systems due to their strong structure, corrosion-resistant coating (usually fusion-bonded epoxy), and reliable shutoff performance.
It's important to note that valve specifics, such as size, materials, and compliance with industry standards, may vary depending on the manufacturer. If you require detailed information on a specific Z45 valve, it is recommended to refer to the product documentation provided by the manufacturer or contact them directly for accurate specifications.
Audited Supplier 
){kind=link}