The ZRIN-A1 Resilient Seated Flanged Gate Valve is a high-performance isolation solution engineered for superior sealing efficiency. By integrating a resilient non-metallic elastic material on one side of the seal and a robust metal material on the other, this valve ensures a bubble-tight shut-off, minimizing leakage in critical industrial piping systems.
Specifically designed for applications where medium cleanliness is paramount, the ZRIN-A1 series offers an optimized balance of operational ease and sealing reliability. It is an ideal choice for industries requiring a dependable isolation valve that eliminates the need for frequent maintenance associated with traditional metal-seated designs.
| Body Material | CI / DI / WCB / Stainless Steel | Seat Material | EPDM / NBR (Resilient) |
|---|---|---|---|
| Pressure Ratings | Class 125/150, PN10/16, 5K/10K/16K | Connection Type | Flanged End |
| Size Range | 2" to 16" (DN50 to DN400) | Sealing Type | Resilient Seated (Soft Seal) |
| Operation | Manual Handwheel / Lifting Gate | Medium Requirement | High Cleanliness / Flushed Pipeline |
| Standard | International Industrial Valve Standards | Application | Isolation and Shut-off |
The elastic non-metallic seat provides a tighter seal compared to metal-to-metal contact, ensuring zero leakage.
Designed for smooth opening and closing, reducing the torque required for full isolation.
Available in Cast Iron, Ductile Iron, and Stainless Steel to suit various corrosive environments.
When fully open, the gate provides a clear path, offering virtually no resistance to the fluid flow.
Standard flanged ends ensure quick and secure installation into existing industrial pipelines.
Combines long-term sealing reliability with a competitive initial investment cost.
Real-time monitoring of valve stock across all size specifications (2"-16").
Strict adherence to pressure testing standards (PN10/16, Class 150).
Automated notifications from production to shipment for rapid delivery.
Direct access to engineering expertise for custom material selection.
Streamlined global shipping for heavy industrial flanged valve components.
Scheduled maintenance guides to maximize the life of the resilient seat.
| Feature | Resilient Seated | Metal Seated |
|---|---|---|
| Sealing Performance | Excellent (Bubble-tight) | Moderate (Potential Leakage) |
| Temperature Range | Limited (Soft Seal) | Very High |
| Maintenance Frequency | Low (Self-sealing) | High (Requires Lapping) |
| Pressure Suitability | Standard Low/Med | High Pressure Optimized |
| Initial Setup Cost | Competitive | Higher Premium |
The primary difference is the operation. A gate valve isolates flow by lifting a rectangular or round gate vertically out of the path, whereas a ball valve uses a rotating ball with a hole to stop or start the flow.
Yes, gate valves are widely used for isolation because they provide a straight-through flow with minimal resistance when fully open, making them ideal for on/off service.
Choose a resilient seated valve when you require a superior seal (bubble-tight) and are working with media that does not exceed the temperature limits of EPDM or NBR seals.
Common body materials include Cast Iron (CI), Ductile Iron (DI), Carbon Steel (WCB), and Stainless Steel (SS), depending on the pressure and corrosiveness of the medium.
To maximize lifespan, ensure the pipeline is strictly flushed before operation to remove debris that could damage the soft seal, and operate within the rated temperature range.
They are typically available in several standards including Class 125/150, PN10/16, and JIS 5K/10K/16K to meet global piping specifications.
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