Safety Relief Valve — What It Does

Safety Relief Valve — What It Does

A Safety Relief Valve operates automatically using the energy of the fluid within the system itself. It doesn’t need any external power source. It releases the amount of fluid necessary to prevent system pressure from exceeding its predetermined safe limit. Once the system pressure returns to normal operating conditions, the valve automatically re-closes and stops any further flow of fluid.

1. Prevents Overpressure Accidents

2. Ensures Safety of Personnel

3. Protects Equipment & Assets

4. Automatic Operation

5. Compliance with Safety Standards

6. Reliable and Fail-Safe

7. Cost-Effective Protection

9. Maintains System Stability

8. Wide Range of Applications

10. Easy Maintenance & Testing

Pressure Safety Valve for Overpressure Protection

Flammer Technologies provides good-quality Pressure Safety Valve solutions that protect industrial equipment, pipelines, pressure vessels and process systems from overpressure. A pressure safety valve is an important safety device. It opens automatically when pressure goes above a set limit, so it helps stop equipment damage, production losses and safety risks.

As one of the leading pressure safety valve manufacturers in India, we use good quality raw materials and put each valve through proper testing before delivery. Our valves have been installed and running in chemical plants, pharma units, oil and gas setups, food processing lines, power plants, and factories across India. These are not easy environments — high temperatures, corrosive media, constant pressure cycles — and our valves are built keeping exactly that in mind.

Industries that deal with pressure-sensitive processes need valves they can trust, and that is what we aim to give them — accurate pressure relief, a long working life, and low maintenance needs.

Pressure Safety Valve Engineered for Industrial Safety and Performance

There is no room for error when it comes to safety valves. If a valve does not open when it should, or does not reseat properly after releasing pressure, the whole purpose is lost. At Flammer Technologies, this is something we keep in mind at every stage of design and manufacturing.

Our valves are built strong, set carefully, and work reliably. So they suit many pressure-control jobs. Whether you install them on boilers, reactors, storage tanks, compressors or process lines, they give good pressure relief and steady performance, even in rough operating conditions.

We work with businesses that cannot afford unplanned downtime or equipment damage. As one of the established Pressure Safety Valve suppliers in India, we help you choose the right valve for your specific application or pressure rating.

Various Models

Pressure Safety Valves Models

Flammer 9 Series

The Flammer 9 Series is a range of spring-loaded pressure relief valves that gives you reliable overpressure protection across a range of industrial applications. Whether you are working with vapor, gas, liquid, or steam, this series is built to handle it — available in both conventional and balanced bellows designs to suit different process environments.

Key Features

1. Compact Design

Suitable to install in tight spaces. Comes with flexible connection types to meet various installation requirements.

2. Flanged & Threaded Options

Available in flanged or threaded connections, and in a wide range of materials, sizes, and end connection styles.

3. High-Pressure Capability

Set pressures go up to 1000 bar (14,504 psig). Gives protection in high-pressure systems.

5. Precision & Repeatability

An integral one-piece nozzle, a self-aligning top-guided disc, and a single adjusting ring — together, these elements make sure blowdown settings.

4. Rotatable Inlet Flange

Alignment becomes fast, ducting is easier to manage, and the overall setup time is reduced.

6. Versatile Service

Alignment becomes fast, ducting is easier to manage, and the overall setup time is reduced.

Application Areas

Pharmaceutical Processing
Chemical & Petrochemical
Utility (Air, Gas, Steam)
Cryogenic & Industrial Gas
Power Generation (Thermal & Nuclear)
Glasslined Reactors

Flammer 66 Series

The Flammer 66 Series has been developed keeping the real-world demands of oil and gas operations in mind. Safety, performance, and ease of maintenance are at the core of its design. Like the 9 Series, it is available in both conventional and balanced bellows configurations and covers vapors, gases, liquids, and steam — but it steps things up for environments where the stakes are higher and conditions are tougher.

Key Features & Benefits

1. Extensive Material Options

The 66 Series comes with one of the widest material selections available — both body and trim can be specified to match your exact process conditions

2. Modular Design

Maintenance on the 66 Series is straightforward by design. The trim can be converted or serviced using very few components, which means less downtime and lower long-term maintenance costs.

3. Resilient Seat Design

The seat is engineered to hold a tight, reliable seal under operating conditions. This directly reduces fugitive emissions — an important factor for facilities with strict environmental compliance requirements.

5. Block Forged Body

The body is forged from solid block — not fabricated, not assembled from parts. This construction method gives the valve the structural strength needed for high-pressure and severe service conditions over a long operational life.

4. API 526 Compliant

All sizes up to 8 inches are fully compliant with API Standard 526. This makes the 66 Series a straightforward drop-in choice for systems built around industry-standard specifications.

6. NACE / Cryogenic Certified

The 66 Series meets NACE MR-01-75 / ISO 15156 requirements for sour gas service and carries certification for cryogenic applications — covering two of the most challenging service environments in the industry.

Application Areas

LNG & FLNG Operations
Midstream & Downstream
Chemical & Pharma
Upstream Oil & Gas
Pipeline & Compression
Nuclear Power Facilities

Design Specifications

1. Pressure Ratings

Conforms to ASME and API Classes 150 to 2500

3. ASME Compliance

ASME Section I 'V' and ASME Section VIII 'UV'

5. Certification

PED 97/23/EC Module B+D Category IV

2. API Compliance

API STD 526 (sizes up to 8"), API STD 527, API STD 520, API STD 2000

4. Sour Service

NACE MR-01-75 / ISO 15156 compliant

6. Lining Options

PTFE/PFA Lined Nozzle versions available for corrosive applications

Quality & Testing

Every material batch is traceable from mill certificate to finished valve. Full documentation package available.

All pressure-containing items hydrostatically tested to verify structural integrity before release.

All valves individually tested per API STD 527. Zero leakage guaranteed for soft-seated valves.

Flammer Technologies provides a full lineup of safety hardware, including chemical explosion suppression systems, explosive venting panels, flameless vents, chemical isolation barriers, and mechanical isolation valves. We custom-size every single one of these systems to match the exact Kst and Pmax ratings of your specific dust.

Radiography, ultrasonic, magnetic particle, and liquid penetrant examination at our facility.

A site consultation typically lasts 1-2 days, laboratory testing 7-14 working days, and report preparation 3-5 days. Flammer Technologies can provide a complete project timeframe at the initial meeting.