Standard: AWWA C515, EN 1171, DIN 3352
Type: Non-Rising Stem (NRS)
Connection: Double Grooved Ends (AWWA C606)
Body Material: Ductile Iron ASTM A536
Wedge Material: Ductile Iron + EPDM Fully Encapsulated
Pressure Class: 200PSI / 250PSI / 300PSI / PN16
Coating: Fusion Bonded Epoxy (FBE) Min. 250μm
Size Range: DN50 – DN300 (2″ – 12″)
Resilient NRS gate valve grooved x flange has a groove connection on one end and a flange connection on the other end. It is designed for efficient fluid control and is suitable for fire protection, water supply and industrial piping systems.
This Resilient NRS (Non-Rising Stem) Gate Valve is designed with double grooved ends for rapid, secure installation in modern piping systems. The non-rising stem structure is particularly advantageous in installations with limited vertical space, as the overall height of the valve remains constant during operation. Constructed with a high-strength ductile iron body and an EPDM-encapsulated wedge, it ensures a 100% drip-tight seal. The internal and external surfaces are coated with fusion-bonded epoxy for superior corrosion resistance, making it an ideal choice for fire protection, HVAC, and industrial water networks.
| Size | Pressure（psi） | ||
| Inch | DN | OD (mm) | |
| 2” | 50 | 60.3 | 300 |
| 2-1/2” | 65 | 73.0/76.1 | 300 |
| 3” | 80 | 88.9 | 300 |
| 4” | 100 | 114.3 | 300 |
| 5” | 125 | 139.7/141.3 | 300 |
| 6” | 150 | 165.1/168.3 | 300 |
| 8” | 200 | 219.1 | 300 |
| 10” | 250 | 273 | 300 |
| 12” | 300 | 323.8 | 300 |
Fire protection sprinkler and hydrant pipelines
Commercial and residential HVAC water circulation
High-rise building water supply and drainage
Industrial cooling water and process fluid distribution
Municipal waterworks and infrastructure projects
Ensure the pipe grooved ends meet standard specifications before assembly.
Clean the grooved ends and verify the gasket is in good condition.
Align the valve and pipes correctly to ensure even pressure on the couplings.
Periodically cycle the valve to maintain internal cleanliness and smooth operation.
Inspect the stem seal and exterior coating annually for maintenance.
Resilient OS&Y Gate Valve Grooved End
Grooved End Butterfly Valve with Signal Switch
Grooved End Swing Check Valve
Rigid and Flexible Grooved Couplings
Ductile Iron Grooved Flange Adaptors
OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.
The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.
After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.
All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.
Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.
Sales Inquiry:
Provide contact information for sales inquiries.
Email: [email protected]
Phone: +86 13012223295
If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:
Email: [email protected]
