Deskripsi
Gate Valve
Model : Z41Y-25 DN100
Brand : Northern Valve Industry Co., Ltd.
Here’s a full technical and procurement-ready overview of the Northern Valve Industry Gate Valve, model Z41Y-25, size DN100, designed for high-pressure steam and industrial pipeline applications:
Product Overview
The Z41Y-25 DN100 is a high-pressure cast steel gate valve manufactured by Northern Valve Industry Co., Ltd. (HNVC). It features a rising stem, flanged ends, and a wedge-type gate, making it ideal for tight shut-off in steam, water, and oil pipelines. The valve is built to withstand elevated temperatures and pressures, commonly used in thermal power plants, chemical processing, and industrial steam systems.
Detailed Specifications
| Parameter | Value / Description |
|---|---|
| Model | Z41Y-25 |
| Nominal Diameter | DN100 (4″) |
| Nominal Pressure | PN25 (2.5 MPa) |
| Connection Type | Flanged (per GB/T 9113 or ASME B16.5) |
| Design Standard | GB/T 12234, API 600 |
| Face-to-Face Length | ~350 mm (standard) |
| Operation | Manual handwheel (electric actuator optional) |
| Flow Direction | Bidirectional |
| Leakage Class | Class VI (zero leakage) |
| Temperature Range | −29°C to +425°C (depending on material) |
Material Composition
| Component | Material Options (Typical) |
|---|---|
| Body & Bonnet | WCB (carbon steel) or WC6/WC9 (chrome-moly alloy) |
| Gate Disc | Forged steel with hard alloy sealing surface |
| Stem | 2Cr13 or SS304 stainless steel |
| Seat Ring | Stellite overlay or stainless steel |
| Packing | Flexible graphite or PTFE |
| Gasket | Spiral wound SS + graphite |
| Handwheel | Cast iron or steel |
All materials conform to Chinese GB standards and optional API/CE/ISO certifications.
Dimensions (Typical for DN100)
| Dimension | Value (mm) |
|---|---|
| Face-to-Face Length | ~350 mm |
| Height (Handwheel Top) | ~600–650 mm |
| Flange OD | ~220 mm |
| Bolt Hole Circle | ~180 mm |
| Handwheel Diameter | ~250 mm |
Application Scope
- Steam and Water Pipelines
- Thermal Power Plants
- Petrochemical Facilities
- Industrial Boilers
- Oil and Gas Transmission
Ideal for systems requiring full bore flow, tight shut-off, and high thermal resistance.
Estimated Weight
- Valve Unit (DN100): ~35–45 kg
- With Actuator (if equipped): ~50–60 kg
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