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Relief valves

Safety valves are essential components in industrial systems, protecting equipment and personnel from potentially hazardous overpressure. These valves, also known as pressure relief valves, relief valves, or pressure safety valves, are designed to automatically open at a predetermined pressure to release excess pressure and prevent system failure or explosions. Safety valves are widely used in the process industry, where they play a crucial role in maintaining safe operations. They are particularly suitable for: Chemical and petrochemical industries, Food and pharmaceutical industries, Energy sector, including power plants and oil refineries, Pulp and paper industries, Water treatment facilities. These reliable safety valves for the process industry are indispensable for protecting pressure vessels, pipelines, and other process equipment from overload. When selecting a safety valve, it is important to consider: Operating pressure and temperature, Type of medium (liquid, gas, steam), The amount of discharge required during overpressure. We collaborate with the following reputable suppliers to offer a wide range of safety valves: Nuova General Instruments, Seetru, Hy-Lok, and HiP. These certified pressure relief valves ensure reliable operation and comply with strict industry standards.

Hy-Lok

RV Series Relief Valves

Engineered for Overpressure Protection in Industrial Systems

Hy-Lok RV Series Relief Valves are designed to provide reliable overpressure protection for regulators and pumps across various industrial applications. These compact, high-performance valves offer efficient pressure relief for both low and high-pressure systems.

Technical Specifications

  • Pressure: Up to 414 bar (6000 psig)
  • Temperature Range: -23°C to 204°C
  • Orifice Size: 4.8 mm
  • Materials: Stainless Steel 316 (body), PTFE (seat), SS631 (spring)

Features and Benefits:

  • Adjustable Cracking Pressure: External adjustment mechanism allows for precise control of relief settings, enhancing system flexibility and safety
  • Compact Angle Pattern Design: The small footprint enables easy installation in confined spaces, making it versatile for various industrial applications.
  • Dual Series Options: Available in low-pressure (RV1) and high-pressure (RV2) series, covering a wide range of pressures from 0.69 bar to 414 bar (10 to 6000 psig), suitable for diverse operational requirements

For detailed specifications and more information, view the PDF. Please contact us, and we will help you find the most optimal product for your application.

 

 

Nuova General Instrument

Relief Valves

Nuova General Instruments S.r.l. is part of the Gianesi group and has over 35 years of experience in manufacturing safety valves.

Their product range includes safety valves in brass, stainless steel, and PVC with settings up to 600 bar, certified according to PED, ASME, SELO, UKCA, ATEX, UKEX, CRN, and EAC CU TR032/010/012.

Their range includes:

  • Safety valves with free or piped discharge
  • High-pressure safety valves
  • Safety valves with flange connections according to UNI / ANSI / API526
  • Safety valves in S316 / Brass / PVC

Nuova General Instruments’ products are designed to meet most industrial needs, including oil and gas, pharmaceutical and chemical industries, the food industry, and many other sectors that require reliable solutions for overpressure protection.

Their safety valves are known for high reliability, excellent performance, and full compliance with international standards, making them an ideal choice for companies that prioritize quality and safety in their processes.

 

Seetru

Reliable, High-Quality Safety Valves

At PG Flowteknik, we are proud suppliers of safety valves from Seetru, a renowned manufacturer with over 70 years of experience in delivering innovative pressure relief solutions.

Seetru is recognized for their reliable and compact valves that meet the highest standards of safety, precision, and durability.

With a focus on both quality and ease of use, Seetru’s products are suitable for a wide range of industrial applications. Whether you need safety valves for steam, gas, or liquids, we can help you find the right solution.

Contact us to learn more about how Seetru can enhance safety in your flow systems.

 

Bis Valves

Relief Valves

We offer a comprehensive range of safety and relief valves from BIS Valves, tailored for a wide variety of media.

Whether you need a low-pressure valve that vents to the atmosphere or a high-pressure model (up to 1379 bar / 20,000 psi) with a return line, you’ll find the right solution here. Typically, low-pressure valves feature a “pop-open” function, while high-pressure valves are available in proportional or regulating versions.

BIS Valves relief valves are CE-marked as Category IV safety accessories in accordance with Directive 2014/68/EU on pressure equipment.

There are numerous configuration options, including cartridge- and manifold-mounted versions. Furthermore, several valves can be supplied in exotic materials such as monel, inconel, hastelloy, and titanium—depending on your needs.

HiP

High-Quality Relief Valves

HiP (High Pressure Equipment) offers a range of high-quality relief valves designed for pressures up to 60,000 psi. These valves are crucial for protecting systems from over-pressure damage and failure. HiP relief valves are available in three main types:

  • Metal Seat Relief Valves: Suitable for pressures from 1,500 to 60,000 psi, these valves feature 316 stainless steel bodies and removable seat glands with 17-4PH stainless steel removable stems and stem seats.
  • Soft Seat Relief Valves: Designed for pressures from 1,500 to 25,000 psi, these valves use PEEK material for the seat, offering excellent sealing properties.
  • Field Adjustable Relief Valves: Available for pressures from 1,000 to 20,000 psi, these valves can be easily adjusted on-site.

HiP relief valves are now available with CE marking, complying with the Pressure Equipment Directive (PED), making them suitable for use in various industries and applications worldwide. Please contact us for more information or assistance regarding Relief Valves - We can help you find the valve you need!

Relief Valves /  Safety Valves

Materials and Construction

PG Flowteknik offers safety valves with and without PED approval, manufactured from various materials to meet diverse industrial requirements:

  • Stainless Steel: Corrosion-resistant and suitable for aggressive media
  • Brass: Good for moderate temperatures and pressures
  • Special Alloys: For extreme conditions or specific chemical environments

Safety valves that are:

  • Designed to withstand demanding industrial environments / Quick response to pressure changes for optimal safety
  • Engineered for long-lasting, reliable performance, tailored to various applications and industries
  • CE (PED) approved. ASME, UKCA, CRN, ATEX, etc., are also possible.

PG Flowteknik provides expert advice to ensure you select the optimal valve solution for effective pressure regulation in your specific application, as safety valves are a critical component in many industrial processes. Choosing the right valve can be crucial for safety and efficiency. Explore our wide range of durable safety valves for industrial applications.Contact us today!

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