Industrial Gate Valve
Rising Stem · Wedge Disc · DN50–DN1200 · PN10/16/25/40
Reguvale's industrial gate valves are designed for reliable isolation in demanding water, oil, gas and power applications. The rising stem design gives a clear visual indication of open/closed position, while the wedge disc provides tight sealing with low operating torque.
Body materials include carbon steel WCB, stainless steel SS304/SS316 and ductile iron, with flanged ends to ISO 7005-2 / EN 1092-2 / ASME B16.5. Seat and disc facing options include brass, stainless steel, stellite and resilient rubber for bubble-tight shut-off. The valves can be supplied with handwheel, chainwheel, gearbox, electric actuator or pneumatic actuator depending on your automation needs.
Every valve is hydrostatically tested at the factory for shell and seat leakage, and can be supplied with material test certificates (MTC) and third-party inspection reports.
Key Features
Full Bore, Low Pressure Drop
The straight-through passage minimises flow resistance when fully open, making gate valves ideal for pipelines and pumping stations.
Rising Stem Visual Indicator
The stem rises as the valve opens, giving operators a clear visual confirmation of open/closed position.
Wedge Disc Sealing
Solid, flexible or split wedge designs adapt to seat misalignment and provide tight shut-off in high-pressure service.
Flexible Operation
Options include handwheel, chainwheel, bevel gearbox, multi-turn electric actuator and scotch-yoke pneumatic actuator.
Resilient Seat Option
Rubber-lined resilient seated gate valves deliver bubble-tight isolation for clean water and wastewater applications.
Factory Pressure Tested
Shell and seat hydrostatic tests performed at our Tianjin factory; MTC and third-party inspection available.
Technical Specifications
| Parameter | Specification |
|---|---|
| Body Material | WCB Carbon Steel / SS304 / SS316 / Ductile Iron GGG50 |
| Disc Material | WCB + Brass / SS304 / SS316 / Stellite Faced |
| Stem Material | 2Cr13 / SS304 / SS316 |
| Seat Material | Brass / Stainless Steel / EPDM / NBR / PTFE |
| Design Type | Rising Stem Wedge Gate Valve |
| Size Range | DN50 – DN1200 (2" – 80") |
| Pressure Rating | PN10 / PN16 / PN25 / PN40 (ANSI 150 lb / 300 lb on request) |
| End Connection | Flanged (ISO 7005-2 / EN 1092-2 / ASME B16.5) |
| Face-to-Face | ISO 5752 / EN 558 / ASME B16.10 |
| Operation | Handwheel / Chainwheel / Gearbox / Electric / Pneumatic Actuator |
| Actuator Supply | Electric: 24V DC / 220V AC / 380V AC; Pneumatic: 3–7 bar |
| Temperature | EPDM: −20→+120°C | NBR: −20→+82°C | Metal seated: −29→+425°C |
| Leakage Class | Metal seated: MSS SP-61 / API 598; Resilient seated: Bubble-tight |
| Standards | Design reference: API 600 / DIN 3352 / EN 1171 / GB/T 12232 — no API monogram held (BS 5163 is withdrawn) |
| Certification | ISO 9001:2015 · SGS-CSTC factory audit report (on request) · EN 10204 3.1 mill certificate per batch |
Rising Stem or Non-Rising? Wedge or Parallel?
Gate valves are specified by three choices that are usually made for you if you do not make them yourself: the stem type, the wedge type and the seat type. Each one follows from how the valve is used.
| Choice | Option | Where it is the right answer |
|---|---|---|
| Stem | OS&Y (outside screw & yoke, rising stem) | The stem rises as the valve opens, so the position is visible from across the plant and the stem thread stays outside the medium. Standard for waterworks, fire-service and process isolation, and the type most specifications name. |
| NRS (non-rising stem) | The stem turns without rising, so the overall height stays fixed. Chosen where there is no room above the valve — buried service, pits and confined plant rooms. Position is read from an indicator, not from the stem. | |
| Gate | Solid wedge | The usual choice for clean water and steam. Simple and rigid, but it can bind if the body distorts or if the valve is left partly open and the seat erodes. |
| Flexible / split wedge | Allows a small amount of body distortion and temperature change without binding — preferred where the line sees thermal cycling. | |
| Parallel slide | Two discs and a spreading mechanism; both faces slide on the seats. Used for steam and higher-temperature service where a wedge would jam on cooling. | |
| Seat | Resilient seated (rubber-lined) | Bubble-tight on clean water at low to medium pressure — water distribution, HVAC and irrigation. Not for steam, solvents or abrasive media. |
| Metal seated | Higher temperature and pressure, and where the medium would attack rubber. Metal seats are not drop-tight, so if the specification demands zero leakage, say so at enquiry stage. |
A gate valve is an isolation valve, not a control valve: it is designed to sit fully open or fully closed. Throttling a gate valve wears the seat and produces vibration, which is why throttling duties belong to control valves or, at large sizes, to butterfly valves. For abrasive slurries the right answer is usually a knife gate valve rather than a wedge gate.
Tell us the medium, the temperature and whether the valve is indoors, buried or in a pit, and we will confirm the stem, wedge and seat combination before quoting.
Frequently Asked Questions
What types of gate valves does Reguvale supply?
We supply rising stem gate valves, non-rising stem gate valves, wedge gate valves, resilient seated gate valves, knife gate valves and flanged gate valves in carbon steel WCB, stainless steel SS304/SS316 and ductile iron.
Common questions about industrial gate valves answered by our engineering team.
What sizes and pressure ratings are available?
Our gate valves cover DN50 to DN1200 with pressure ratings PN10, PN16, PN25 and PN40. ANSI 150 lb and 300 lb flange drilling are available on request.
Can gate valves be operated by electric or pneumatic actuators?
Yes. We can fit multi-turn electric actuators or scotch-yoke pneumatic actuators to rising stem and non-rising stem gate valves for remote operation. Manual handwheel, chainwheel and gearbox options are also available.
What industries use Reguvale gate valves?
Gate valves are widely used in water treatment and distribution, oil and gas pipelines, power plants, chemical processing, HVAC systems, marine and industrial process lines where full-bore, low-pressure-drop isolation is required.
Applications & Use Cases
Water Treatment & Distribution
Isolation valves in treatment plants, pumping stations, reservoirs and transmission mains.
Oil & Gas Pipelines
Full-bore isolation for crude oil, refined products and natural gas transmission lines.
Power Plants
Steam, condensate, cooling water and feedwater isolation in thermal and combined-cycle plants.
Industrial Process Lines
Chemical, petrochemical, steel and paper plants requiring reliable on/off isolation. For the material, standard and documentation requirements behind these duties, see our valves for oil and gas page.
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Related Articles
Helpful guides to help you specify and maintain gate valves.