Aira 4matic Global Valve Automation Private Limited

Knife gate valves are designed mainly for on-off and isolation services in systems with high content of suspended solids. Knife gate valves are especially beneficial for handling slurry in addition to viscous, corrosive and abrasive media.

Cast Steel gate valves are used as efficient shut-off valves with flow in either direction for water, saturated steam, air, gas and oil.

4Matic Marine Gate Valve

• Gate valves particularly suited for marine applications such as ballast systems, oil cargo pumping systems and shipside duties. Some have type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification is available.
• Type :Wedge
• Inside Screw & Non-Rising Stem                
• Size & Connections           :DN40 to DN300
• 25-150mm – PN16
• 175-300mm – PN10 Flange (others on request)

Duty:                                      

• Air
• Inert Gas
• Oil
• Seawater
• Water

Materials:

• Ductile Iron Body
• Special Brass or Stainless Steel Stem
• Bronze Disc
• Pressure Rating :40-150mm: PN16 Rated
• 175-300mm: PN10 Rated
• Temperature:-10 to 120°C
• Compliance & Approvals :DIN 3352 T2

A blend of young energy and hands-on experience has helped 4Matic Valves in creating products of superior quality and value. 4Matic aims to provide personalized customer service and on-time delivery. Our objective is to offer engineered products which will provide our clients with the optimum solutions, whilst minimizing life cycle costs and better value. This is achieved by ensuring a thorough understanding of the Client's requirements and utilizing our vast experience of past supply and installations.

the latest technology available and here we take the opportunity to make your company aware about the electrical actuators and motorized valves.

 

Gate valve Design Features:

Designed for high pressure and high temperature applications, for a wide range of fluids except slurries and viscous fluids. These valves are generally used in the wide open or closed position, are not recommended for throttling service because throttling causes disc chattering and vibration which is likely to erode the seating surface and cause leakage.
Applications:Petroleum, Power Generation, Chemicals, Fertilizer, Steel industry, Isolation Drain, Shut-Off Valves, Feed Water and Steam
Operators:Handwheel, Chainwheel, Gear Electrical Actuator, Pneumatic/Hydraulic, Actuator Operated.
Special Features:Pressure Sealed joints/ Nace Specifications (MR-01-75), Position Indicator, Drainplug & Bypass Arrangement.
 

RESILIENT SEATED GATE VALVEResilient Seated Gate Valves are designed to last long years of operation in many conditions. With its bolted bonnet structure, EPDM covered wedge and hygienic coating, ready to meet the demand for potable water & sewage applications.
Technical DataSize range DN40 - DN600Pressure range PN10 - 16 - 25Temperature EPDM : -10°C to +130 °C NBR :- 10°C to + 100 °CDesign EN 1171
Face to face EN 558 Series 15 / DIN 3202 F5Flange drilling EN 1092-2 / ISO 7005-2Coating Thermoplastic Powder EpoxyTesting EN 12266-1Marking EN 19Operation Handwheel Operation Cap Manual gearbox with handwheel Electrical Actuators
Application Range Potable water applications
Waste waterWater treatment and distribution systemsMining industryShipbuilding and drilling facilitiesChemical and petrochemical plants
Food and chemical enterprisesOil and gas processesHeating, ventilation and air conditioning systems

Product Features • GGG40/50 Ductile Iron Body & Disc allows high impact and streching resistance • With Full Bore design, ensures minimized pressure loss and increased energy e ciency • Maintenance free valve design • Fully EPDM vulcanised wedge maintains full stop of ow and can absorb smaller particules in the ow. (NBR coated wedge is optional) • Stainless steel stem with threads for high strength • Maintenance-free and corrosion-resistant multi stem O-rings ensures higher durability • Brass wedge nut provides xation of the stem and low torques. • With isolated bonnet nuts, no risk of corrosion • Bidirectional use. Possible to install on horizontal and vertical pipelines with varied ow directions • Fixed wedge structures prevents vibration • With precise machined stem, ensures low torque requirements during operation • Full coating on the body and disc internally & externally with an average of 250 microns. Higher coating thicknesses are available when required. • WRAS approved coating available upon request which meets hygienic requirements for potable water applications • For big size valves, balanced positioned lifting holes on the body ease transportation and installation • Suitable for vacuum conditions • Suitable for shut-o and isolation purposes. Not suitable for regulation purposes • Electrical actuator connection is done with an intermediate top ange arrangement • Suitable to use with above-underground applications. Can be operated with handwheel, gearbox, actuator and extension spindle.
NO Part Material 1 Body GGG50 Ductile Iron 2 Wedge EPDM/NBR Coated GGG50 Ductile Iron 3 Wedge Nut MS 58 Brass 4 Bonnet Sealing EPDM 5 Bonnet GGG50 Ductile Iron 6 Bonnet Bolt 8.8 Galvanized Steel / A2/A4 Stainless Steel 7 Lifting Lug 8.8 Galvanized Steel / A2/A4 Stainless Steel 8 Stem AISI 420/304/316/316L Stainless Steel 9 Nut AISI 420/304/316/316L Stainless Steel 10 O-Ring EPDM/NBR 11 Stem Nut MS 58 Brass 12 Handwheel GGG50 Ductile Iron 13 Washer 8.8 Galvanized Steel / A2/A4 14 Bolt 8.8 Galvanized Steel / A2/A4

A limit switch gate valve, often referred to as a gate valve with a limit switch, is a crucial component in industrial applications that require precise control over the flow of liquids or gases. This type of valve combines the functionality of a gate valve with the added benefit of a limit switch, enhancing automation and safety in various processes.
Gate valves are used to regulate the flow of fluids by utilizing a gate-like obstruction that can be raised or lowered within the valve body. This design enables them to provide a full, unobstructed flow path when fully open and a complete shut-off when fully closed. However, manually operating gate valves can be labor-intensive and time-consuming, especially in scenarios where frequent adjustments are required.
The integration of a limit switch with a gate valve addresses this limitation. A limit switch is an electromechanical device that detects the physical position of an object and relays this information to a control system. In the case of a gate valve, the limit switch is strategically positioned to monitor the position of the gate. This arrangement allows for real-time feedback on whether the valve is open, closed, or in an intermediate position.
The advantages of a gate valve with a limit switch include:
Automation: The limit switch enables the valve to be controlled remotely or through a programmed system. This automation reduces the need for manual intervention, making processes more efficient and less labor-intensive.
Safety: With the real-time position feedback provided by the limit switch, operators can ensure that the valve is in the intended position, reducing the risk of unintended flow changes and potential hazards.
Process Optimization: The ability to precisely control the valve's position allows for fine-tuning of flow rates, pressure levels, and other process parameters, leading to optimized operations and resource utilization.
Remote Monitoring: Gate valves equipped with limit switches can be integrated into larger monitoring and control systems, enabling remote tracking of valve status and performance.
Emergency Shutdown: In emergency situations, the limit switch can be programmed to trigger an automatic shutdown if certain conditions are met, enhancing safety protocols.
In summary, a gate valve with a limit switch combines the benefits of traditional gate valves with automated control and real-time monitoring capabilities. This integration improves operational efficiency, enhances safety, and facilitates integration into larger industrial systems. Whether in chemical plants, water treatment facilities, oil refineries, or other industrial settings, these valves play a crucial role in maintaining reliable and controlled fluid flow. #GateValveWithLimitSwitch