Gate Valve Dealer & Supplier
Best Butt Weld Fittings Manufacturer in India since 1971.
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Teshi Group : Leading Manufacturer, Stockist, Supplier, and Exporter of Gate Valve in India.
Teshi Group is a leading manufacturer, stockist, supplier, and exporter of high-quality Gate Valves in India, delivering reliable and efficient flow control solutions for diverse industries worldwide. Known for their durability and effective sealing, Teshi Group’s Gate Valves are designed to provide unobstructed, full-bore flow, making them ideal for on-off control applications in pipelines. Commonly used in sectors such as oil & gas, water treatment, chemical processing, and power generation, these valves excel in managing the flow of liquids and gases, offering minimal pressure drop when fully open. Engineered for high performance under extreme temperatures and pressures, Teshi Group’s Gate Valves are crafted with top-grade materials and manufactured to meet stringent international quality standards, ensuring robust construction, resistance to corrosion, and long-lasting service life. With a strong focus on quality and innovation, Teshi Group provides both standard and custom-designed gate valve solutions to accommodate specific application needs. Their commitment to precision, reliability, and customer satisfaction has earned Teshi Group a solid reputation as a trusted partner, delivering dependable gate valves that enhance operational efficiency and safety in even the most challenging industrial environments.
About Gate Valve :-
A Gate Valve is a type of valve commonly used in pipeline systems to control the flow of fluids or gases. It operates by lifting a gate (or wedge) out of the path of the fluid to allow flow, or lowering it into the pipeline to block the flow completely. The gate moves up and down within the valve body, and when the valve is fully open, the gate is entirely out of the flow path, minimizing resistance and pressure drop. When closed, the gate forms a tight seal to prevent leakage.
Gate valves are typically used for on/off control, meaning they are ideal for applications where the flow needs to be either fully open or fully closed. They are not designed for throttling or flow regulation, as partial opening can cause erosion and damage to the valve over time. These valves are commonly employed in industries such as oil and gas, water treatment, power generation, chemical processing, and HVAC, where their simple design and ability to provide a full, unobstructed flow path are highly beneficial.
Made from materials such as stainless steel, cast iron, carbon steel, and various alloys, gate valves are capable of withstanding high pressures, temperatures, and harsh environments. They are available in various sizes and configurations, including rising stem and non-rising stem models, to suit different piping systems. Gate valves offer the advantage of low friction, minimal maintenance, and a long service life due to their robust construction and reliable sealing properties. Additionally, they provide a tight seal when closed, ensuring minimal leakage and system integrity. Overall, gate valves are valued for their durability, reliability, and ability to isolate or control flow in large, high-pressure piping systems.
Teshi Group is an ISO certified Gate Valve manufacturer & distributor in India.
Gate Valve Specification, Grades & Material
Fittings |
Specification |
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Valve Types
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The Pinch Valve, Pressure Relief Valve, Plug Valve, Needle Valve, Gate Valve, Butterfly Valve, Check Valve, Ball Valve, Globe valve
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Schedule
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SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS
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Standard
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ASME/ANSI B16.11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799
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Size
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1/8″NB to 24″NB & 1/4″OD TO 24″OD AND 6.35mm to 254mm OD Thickness: 0.6mm to 20mm
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Type
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Welded, threaded, BW, SW.
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Fittings |
Grade |
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Stainless Steel
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ASTM /ASME A/SA 213 / 249 / 269 / 312 / 358 CL. I to V – 304 , 304L , 304H, 309S ,309H , 310S, 310H , 316 , 316TI , 316H , 316 LN , 317 , 317L , 321 , 321H , 347 , 347 H , 904L .
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Duplex Steel
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ASTM/ASME A/SA 789, 790 – UNS NO S 31803, S 32205, S 32550, S 32750, S 32760.
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Carbon Steel
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ASTM A106 Gr. A, B & C API 5L Gr. A / B, X42 ,X52 ,X60 ASTM A 53 Gr. A/B
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Alloys Steel
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ASTM /ASME A/SA 213 / 335 / 691 – P5,P9,P11,P12,P22,P91
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Nickel Alloys
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Nickel Alloys 200, Nickel Alloys 201
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Hastelloy
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Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
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Inconel
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Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L
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Teshi Group Is A Leading Suppliers of Gate Valve
We supply Gate Valve to Agra, Ahmedabad, Ajmer, Aligarh, Allahabad, Ambattur, Amravati, Amritsar, Asansol, Aurangabad, Bangalore, Bareilly, Belgaum, Bhavnagar, Bhilai Nagar, Bhiwandi, Bhopal, Bhubaneswar, Bikaner, Chandigarh, Chennai, Coimbatore, Cuttack, Dehradun, Delhi, Dhanbad, Durgapur, Faridabad, Firozabad, Gaya, Ghaziabad, Gorakhpur, Gulbarga, Guntur, Gurgaon, Guwahati, Gwalior, Haora, Hubli and Dharwad, Hyderabad, Indore, Jabalpur, Jaipur, Jalandhar, Jalgaon, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Kalyan & Dombivali, Kanpur, Karnataka, Kochi, Kolapur, Kolkata, Kota, Loni, Lucknow, Ludhiana, Madurai, Maheshtala, Malegoan, Mangalore, Meerut, Mira, Bhayander, Moradabad, Mumbai, Nagpur,Nanded Waghala, Nashik, Navi Mumbai, Nellore, Noida, Patna, Pimpri & Chinchwad, Pune, Raipur, Rajkot, Ranchi, Saharanpur, Salem, Sangli Miraj Kupwad, Siliguri, Solapur, Srinagar, Surat, Thane, Thiruvananthapuram, Tiruchirappalli, Tirunelveli, Udaipur, Ujjain, Ulhasnagar, Vadodara, Varanasi, Vasai Virar, Vijayawada, Visakhapatnam, Warangal.
Gate Valve Exporter To All Major Cities In The World
We export Gate Valve to Seoul, Hanoi, Los Angeles, Rio de, Houston, York, Dammam, Al-Khobar, Bogota, Al-Jubail, Chiyoda, Abu Dhabi, Kuwait Santiago, Perth, Busan, London, Jakarta, Surat, Courbevoie, Dallas, Calgary, Mexico Muscat, Aberdeen, City, Edmonton, Riyadh, Caracas, Ahvaz, Brisbane, Moscow, Milan, Manama, Ulsan, Jaya, Granada, Vung Petaling, Melbourne, Montreal, Port-of-Spain, La Victoria, Istanbul, Janeiro, Karachi, New Singapore, Madrid, Lagos, Atyrau, Sydney, Kuala Dubai, City, Bangkok, Toronto, Gimhae-si, Lumpur, Jeddah, Pimpri-Chinchwad, Tehran, Doha, Ho-Chi-Minh-City, Algiers, Tau, Colombo, Ernakulam, Geoje-si, Cairo, Sharjah, Lahore.
Teshi exports Gate Valve in more than 50 countries. We have shipments going out monthly to different countries for our newly acquired customers. Our ready stock of Flanges helps us ship the Flange and meet the requirement and demands of our customers as fast as possible.
We Export Gate Valve to United States (USA), Canada, Germany, Japan, France, Middle-East, Bangladesh, Nepal etc.
Product
Export
Frequently Asked Questions
Most frequent questions and answers
What is a gate valve?
A gate valve is a type of valve used to control the flow of liquid by raising or lowering a gate or wedge to start or stop the flow within a pipeline. It provides a straightforward on/off control without regulating flow.
How does a gate valve work?
A gate valve operates by lifting a gate or wedge out of the fluid path, allowing free flow, or lowering it to block flow completely. The gate moves perpendicular to the flow, ensuring minimal resistance when fully open.
What are the main applications of gate valves?
Gate valves are used in applications requiring full, unobstructed flow, such as in water supply systems, oil and gas pipelines, chemical plants, and power plants. They’re ideal where the valve is primarily left fully open or closed.
What industries commonly use gate valves?
Industries that rely on gate valves include oil and gas, water treatment, chemical processing, power generation, and manufacturing, as they provide reliable shutoff capabilities for different types of media.
What are gate valves made of?
Gate valves are often made from materials like stainless steel, carbon steel, cast iron, brass, and bronze. The choice of material depends on factors like pressure, temperature, and fluid type to ensure durability and compatibility.
What is the difference between a gate valve and a globe valve?
While a gate valve provides simple on/off control, a globe valve is designed for throttling and regulating flow. Gate valves are ideal for isolation, while globe valves are preferred for flow control applications.
Can gate valves handle high-pressure applications?
Yes, gate valves are commonly used in high-pressure applications, especially when made from materials like carbon steel or stainless steel. Their robust construction supports safe operation under elevated pressures.
Are gate valves suitable for throttling?
No, gate valves are generally not suitable for throttling because partially open gate valves can cause turbulence and damage to the gate, which reduces the valve’s lifespan. They’re best for fully open or closed positions.
How do rising stem and non-rising stem gate valves differ?
A rising stem gate valve shows the position of the gate through the visible movement of the stem, while a non-rising stem gate valve has a stem that stays in place, ideal for areas with limited vertical space.
Are gate valves suitable for slurries or viscous fluids?
Gate valves are not ideal for slurries or highly viscous fluids because these materials can settle in the valve body, potentially causing blockages or wear. Alternative valves, like pinch or diaphragm valves, may be better.
How do you maintain a gate valve?
Gate valves require periodic inspection to check for wear on the seating surfaces and stem. Lubrication of the stem may be necessary in high-cycle applications, and cleaning is essential in cases with sediment-prone fluids.
What is the temperature range for gate valves?
The temperature range varies by material but typically ranges from -20°F to 1000°F for materials like stainless steel or high-temperature alloys. Always consult specifications to match the temperature requirements.
Are gate valves suitable for cryogenic applications?
Yes, certain gate valves are designed for cryogenic applications and are made from materials like stainless steel with special seals to handle extremely low temperatures safely.
What is a knife gate valve?
A knife gate valve is a type of gate valve with a thin, sharp-edged gate, designed to cut through thick, viscous media or slurries. It’s ideal for industries like pulp and paper, wastewater, and mining.
How can gate valves contribute to system efficiency?
Gate valves improve efficiency by offering unobstructed flow when fully open, reducing energy loss and allowing systems to operate with minimal pressure drop.
What is the maximum pressure a gate valve can handle?
The pressure rating varies by material and design, with some gate valves rated for pressures up to 10,000 PSI or higher. Always verify ratings with the manufacturer for specific applications.
What is the difference between a solid wedge and flexible wedge gate valve?
A solid wedge gate valve provides robust shutoff for various applications, while a flexible wedge can handle temperature fluctuations and better seal in applications prone to thermal expansion.
Are gate valves bi-directional?
Yes, gate valves are generally bi-directional and can control flow in either direction, making them versatile for systems where flow direction may change.
Can gate valves be automated?
Yes, gate valves can be automated using electric, pneumatic, or hydraulic actuators, allowing for remote control and improved operational efficiency in larger systems.
What is a parallel gate valve?
A parallel gate valve uses a flat gate that sits between two parallel seats. It is ideal for applications requiring frequent open/close cycles with minimal pressure drop, such as in steam or gas systems.
How are gate valves tested?
Gate valves undergo tests such as hydrostatic pressure testing to check for leakage and ensure strength. Seat leakage and shell pressure tests are also standard, ensuring reliability under operating conditions.
Can gate valves be used in vacuum applications?
Yes, gate valves can be used in vacuum applications, especially when constructed with materials that ensure tight sealing in low-pressure environments.
How do you prevent leaks in gate valves?
To prevent leaks, ensure proper installation, use quality seals and gaskets, and perform regular maintenance. Avoid using gate valves in partially open positions, as this can cause seat damage.
What is a bonnet in a gate valve?
The bonnet is the valve part that covers and encloses the internal mechanism. It connects the stem and handwheel, and provides access for maintenance and repairs.
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