Pressure Relief Valve Dealer & Supplier
Best Butt Weld Fittings Manufacturer in India since 1971.
Table of Contents
Teshi Group : Leading Manufacturer, Stockist, Supplier, and Exporter of Pressure Relief Valve in India.
Teshi Group is a leading manufacturer, stockist, supplier, and exporter of high-quality Pressure Relief Valves in India, renowned for providing dependable and efficient solutions to meet the critical needs of industries worldwide. These valves are meticulously engineered to protect equipment and systems from overpressure conditions by automatically releasing excess pressure to maintain safe operational limits. Teshi Group’s Pressure Relief Valves are designed for precision and reliability, offering exceptional performance in a wide range of applications, including chemical processing, oil & gas, power generation, and water treatment. Manufactured using advanced technologies and adhering to stringent quality standards, these valves ensure durability, safety, and long-lasting service. Teshi Group’s commitment to innovation and excellence ensures that their Pressure Relief Valves meet global industry certifications and regulations, providing customized solutions for specific operational requirements. With a focus on continuous improvement and customer satisfaction, Teshi Group has earned a reputation as a trusted partner for industries seeking high-performance and safety-critical components. Their global presence further highlights their ability to deliver tailored solutions with precision and reliability.
About Pressure Relief Valve :-
A pressure relief valve (PRV) is a crucial safety device used in various industrial systems to protect equipment and prevent potential hazards caused by excessive pressure buildup. It is designed to automatically release pressure when it exceeds a preset limit, thereby safeguarding pipelines, vessels, and tanks from overpressure situations that could lead to catastrophic failure. The PRV operates by sensing the pressure within a system, and once the pressure surpasses a specific threshold, the valve opens to divert excess fluid or gas, thereby maintaining a safe operational environment. This function is vital in industries such as oil and gas, chemical processing, power generation, and water treatment, where maintaining optimal pressure levels is essential for both safety and efficiency. The valve’s spring-loaded mechanism, or other actuation methods, ensures a quick and reliable response, returning to its closed position once the pressure normalizes. Pressure relief valves are engineered for durability, with materials and designs that are resistant to corrosion, wear, and high temperatures, making them highly reliable in critical applications. In addition to protecting against overpressure, PRVs help optimize system performance by preventing downtime, equipment damage, and the risk of leaks, ensuring smooth, uninterrupted operations. Regular maintenance and calibration are essential to ensure the valve functions correctly, thereby extending the lifespan of the equipment it protects and reducing the risk of system failure.
Teshi Group is an ISO certified Pressure Relief Valve manufacturer & distributor in India.
Pressure Relief Valve Specification, Grades & Material
Fittings |
Specification |
|---|---|
|
Valve Types
|
The Pinch Valve, Pressure Relief Valve, Plug Valve, Needle Valve, Gate Valve, Butterfly Valve, Check Valve, Ball Valve, Globe valve
|
|
Schedule
|
SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS
|
|
Standard
|
ASME/ANSI B16.11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799
|
|
Size
|
1/8″NB to 24″NB & 1/4″OD TO 24″OD AND 6.35mm to 254mm OD Thickness: 0.6mm to 20mm
|
|
Type
|
Welded, threaded, BW, SW.
|
Fittings |
Grade |
|---|---|
|
Stainless Steel
|
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 .
|
|
Duplex Steel
|
ASTM/ASME A/SA 789, 790 – UNS NO S 31803, S 32205, S 32550, S 32750, S 32760.
|
|
Carbon Steel
|
ASTM A106 Gr. A, B & C API 5L Gr. A / B, X42 ,X52 ,X60 ASTM A 53 Gr. A/B
|
|
Alloys Steel
|
ASTM /ASME A/SA 213 / 335 / 691 – P5,P9,P11,P12,P22,P91
|
|
Nickel Alloys
|
Nickel Alloys 200, Nickel Alloys 201
|
|
Hastelloy
|
Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
|
|
Inconel
|
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
|
Teshi Group Is A Leading Suppliers of Pressure Relief Valve
We supply Pressure Relief 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.
Pressure Relief Valve Exporter To All Major Cities In The World
We export Pressure Relief 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 Pressure Relief 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 Pressure Relief 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 pressure relief valve and how does it work?
A pressure relief valve (PRV) is a safety device designed to release excess pressure from a system when it reaches a preset limit. When system pressure exceeds this limit, the valve opens, releasing fluid or gas to prevent damage. It automatically resets and closes when pressure returns to safe levels.
Why are pressure relief valves important in industrial applications?
Pressure relief valves are essential for safety and equipment protection in industrial applications. They prevent system failures, leaks, and potential explosions by relieving excessive pressure, ensuring safe operation and protecting both personnel and equipment.
What industries use pressure relief valves?
Pressure relief valves are used across various industries, including oil and gas, chemical processing, power generation, water treatment, pharmaceuticals, and food and beverage. They are crucial wherever pressure management is needed to ensure safe and efficient operations.
How do pressure relief valves differ from pressure safety valves?
Although both valves protect against overpressure, pressure relief valves are generally used for gradual pressure relief in liquid systems, while pressure safety valves (PSVs) are used in gas or vapor systems to rapidly release pressure. PSVs are designed for quicker, immediate action in emergency conditions.
How do spring-loaded pressure relief valves work?
Spring-loaded pressure relief valves use a calibrated spring to hold a valve shut. When system pressure exceeds the preset limit, it overcomes the spring force, opening the valve to release pressure. As pressure drops, the spring closes the valve again.
What are pilot-operated pressure relief valves?
Pilot-operated relief valves use a secondary pilot valve to control the main valve. They are ideal for high-pressure applications where greater accuracy and responsiveness are needed and where it’s essential to maintain tight system control under varying pressure conditions.
What is the difference between set pressure and blowdown in pressure relief valves?
Set pressure is the point at which the valve begins to open and relieve excess pressure. Blowdown is the difference between the set pressure and the pressure at which the valve fully reseats, which helps avoid frequent cycling of the valve.
Are pressure relief valves required by industry standards?
Yes, pressure relief valves are often required by industry standards and regulations, such as ASME (American Society of Mechanical Engineers) codes for boilers and pressure vessels. Compliance ensures safety and operational reliability across many sectors.
Can pressure relief valves handle corrosive fluids?
Yes, corrosion-resistant materials like stainless steel, Hastelloy, and other alloys are available for pressure relief valves to handle corrosive fluids. Selecting the right material based on the fluid’s chemical properties ensures durability and safety.
What maintenance do pressure relief valves require?
Routine maintenance is essential for pressure relief valves. This includes regular inspections, testing for proper operation, cleaning of internal components, and recalibration as needed. Proper maintenance helps prevent valve failure and extends its lifespan.
How often should pressure relief valves be tested?
Testing intervals vary based on industry standards and application requirements, but most pressure relief valves are tested annually or as recommended by manufacturers to ensure they function properly and are set to the correct pressure.
What is backpressure, and how does it affect pressure relief valves?
Backpressure is the pressure on the outlet side of the valve, which can affect its performance. High backpressure can reduce the valve’s effectiveness and lead to improper reseating. Specialized valves, like balanced bellows relief valves, are designed to handle backpressure effectively.
Are pressure relief valves adjustable?
Some pressure relief valves are adjustable within a specific range. The set pressure can be adjusted to meet system needs. However, adjustments should be made by qualified technicians to ensure compliance with safety requirements.
What is a thermal relief valve?
A thermal relief valve is a type of pressure relief valve that protects systems from overpressure due to thermal expansion. These valves are often used in closed-loop systems where temperature changes can cause a rise in pressure.
Can pressure relief valves be used for both gases and liquids?
Yes, pressure relief valves can be designed for gases, vapors, or liquids. However, it’s crucial to choose a valve specifically suited to the fluid type to ensure accurate operation and safety under the required conditions.
What happens if a pressure relief valve fails?
If a pressure relief valve fails, it can lead to overpressure, causing equipment damage, leaks, or even explosions in extreme cases. Regular maintenance, testing, and appropriate selection reduce the risk of failure.
How are pressure relief valves calibrated?
Pressure relief valves are calibrated by adjusting the set pressure to match system requirements. Calibration is performed by professionals using specialized equipment to ensure the valve opens and closes accurately at designated pressure levels.
What is the purpose of a rupture disc in combination with a pressure relief valve?
A rupture disc is often used in conjunction with a pressure relief valve to provide an additional layer of protection. The rupture disc bursts at a specific pressure to relieve excess pressure, protecting the valve from corrosive fluids and ensuring safety in high-pressure situations.
Can pressure relief valves be remotely operated?
While most pressure relief valves operate automatically, some advanced pilot-operated valves can be integrated into remote monitoring and control systems for automated pressure management in complex or critical systems.
How do pressure relief valves contribute to environmental protection?
Pressure relief valves help prevent hazardous leaks and emissions by controlling system pressure. This containment of potentially dangerous substances contributes to a safer environment and supports compliance with environmental regulations.
