In every process industry, maintaining optimal pressure and ensuring equipment safety is critical. Whether handling corrosive chemicals, combustible gases, or high-pressure steam, reliable control is essential to protect pipelines, storage tanks, and processing systems. DJK Valves & Pumps offers a wide range of solutions including pressure relief valves, pressure safety valves, PFA lined pressure relief valve, upstream pressure regulators, downstream pressure regulator, slam shut off valves, tank protection devices, breather valves, flame arrestors, and ASME UV approved relief valves.
Our pressure control and safety valve products are engineered to provide consistent performance under demanding conditions, offering plant operators peace of mind and regulatory compliance.
PFA Lined Pressure Relief Valve – For Corrosive Fluid Protection
The PFA lined pressure relief valve is specifically designed for applications involving aggressive, corrosive media. Lined with PFA (perfluoroalkoxy), these valves are chemically resistant, making them ideal for acidic or solvent-heavy environments.
Key Features of PFA lined pressure relief valve:
- Full PFA lining for corrosion resistance
- Spring-loaded, self-actuating design
- Suitable for sulfuric acid, hydrochloric acid, and more
- Maintenance-free operation
Industries that rely on PFA lined pressure relief valves include chemical manufacturing, pharmaceutical processing, and semiconductor fabrication anywhere that chemical compatibility is essential.
Pressure Relief Valves – Reliable Overpressure Protection
A pressure relief valve is a vital component that protects pressurized systems from failure due to overpressure. When internal pressure exceeds the set threshold, the pressure relief valve opens to vent excess fluid or gas, then reseals once pressure stabilizes.
Applications of pressure relief valves:
- Boilers and pressure vessels
- Heat exchangers and chemical reactors
- Compressed air and gas systems
Benefits:
- Automatic response to system pressure changes
- Customizable pressure set points
- Available in metal and lined versions
DJK Valves & Pumps manufactures standard and custom pressure relief valves in various sizes and materials to suit industrial demands.
Pressure Safety Valves – Critical Protection in High-Risk Operations
Pressure safety valves are a type of relief valve designed specifically for gas or steam service, with a rapid-opening, pop-action mechanism. These valves are often mandated by safety codes and are a last line of defense against catastrophic failure.
Use Cases for pressure safety valves:
- Steam generators and thermal oil heaters
- Cryogenic storage and vaporization systems
- Natural gas transmission pipelines
Why choose DJK pressure safety valves?
- Fast-acting response to sudden spikes
- High flow capacity
- API, ASME, and PED compliant
- Trusted in high-pressure, high-temperature zones
DJK’s pressure safety valves offer robust protection, ensuring uninterrupted operation and operator safety.
Upstream Pressure Regulators – Inlet Side Flow Control
Upstream pressure regulators are installed before the control system to manage supply pressure entering a process or equipment. These regulators maintain consistent inlet pressure despite fluctuations in the upstream supply.
Ideal Applications:
- Gas manifolds and mixing lines
- Chemical dosing and injection skids
- Pilot plants and labs
Advantages:
- Minimizes system stress
- Protects downstream equipment
- Maintains pressure uniformity
Upstream pressure regulators from DJK Valves & Pumps are precision-machined and calibrated for long-term reliability and accuracy.
Downstream Pressure Regulator – Outlet Pressure Management
Whereas upstream regulators control input, the downstream pressure regulator ensures the pressure at the outlet remains within a desired range. This is critical in applications where process consistency is key.
Common Uses of downstream pressure regulator:
- Gas distribution systems
- Fuel control panels
- Water and chemical dosing systems
Key Benefits:
- Steady downstream pressure
- Helps prevent pressure spikes
- Available with diaphragm or piston sensing mechanisms
DJK’s downstream pressure regulator line is engineered for smooth control and fast response, even in dynamic flow conditions.
Slam Shut Off Valves – Emergency Flow Isolation
Slam shut off valves are automatic valves that shut flow instantly in emergency conditions. These are not modulating valves they are designed for sudden, complete closure upon abnormal system behavior.
Where slam shut off valves are used:
- Natural gas and LPG stations
- Fuel oil burner systems
- Gas train safety lines
Why does DJK slam shut off valves?
- Triggered by high/low pressure or temperature
- Fast-closing with mechanical latch
- Reset manually for added safety
Slam shut off valves from DJK Valves & Pumps add a vital layer of protection in high-risk installations.
Tank Protection Devices – Safeguarding Storage Systems
Storage tanks holding volatile or pressurized substances require specialized tank protection devices to manage pressure, prevent contamination, and maintain structural integrity.
Tank protection devices by DJK include:
- Pressure/vacuum relief valves
- Emergency vents
- Combination valves
- Conservation vents
These devices work in tandem with pressure relief valves and breather valves to keep tanks within safe operating limits. They’re especially critical for above-ground tanks storing flammable liquids or corrosive chemicals.
Breather Valves – Controlled Tank Venting
Breather valves, also known as pressure/vacuum relief valves, allow tanks to breathe—releasing air when internal pressure exceeds a set limit and admitting air when vacuum forms during discharge.
Applications of breather valves:
- Storage tanks for solvents, fuels, and chemicals
- Tank farms and container terminals
- Reactors and fermentation vessels
Benefits of DJK breather valves:
- Prevent tank rupture or implosion
- Reduce emissions and vapor losses
- Improve tank longevity
Breather valves are often used in conjunction with tank protection devices and flame arrestors for total safety.
Flame Arrestors – Explosion Prevention in Vent Lines
Flame arrestors are safety devices that stop flame propagation in gas systems. Installed in vent lines, storage tanks, or flare headers, they allow gas flow while blocking flames from entering hazardous zones.
Typical locations for flame arrestors:
- Tank vents and breather lines
- Biogas plants and waste treatment facilities
- Vapor recovery systems
Key Features:
- Detonation- and deflagration-proof
- Suitable for flammable gas groups IIA, IIB, IIC
- Inline and end-of-line designs available
Flame arrestors from DJK Valves & Pumps meet international safety codes and are tested under real fire conditions.
ASME UV Approved Relief Valves – Certified Safety Compliance
DJK Valves & Pumps offers ASME UV approved relief valves, which are pressure relief devices certified under the American Society of Mechanical Engineers’ (ASME) Boiler and Pressure Vessel Code. These valves are required for pressure vessels and piping systems in regulated environments.
Industries requiring ASME UV approved relief valves:
- Power generation
- Petrochemicals and refineries
- High-pressure equipment manufacturing
Why DJK’s ASME UV approved relief valves?
- Precision-engineered for code compliance
- Each valve tested and stamped
- Full traceability and documentation
These relief valves ensure legal compliance and unmatched reliability in critical operations.
Why Choose DJK Valves & Pumps?
At DJK Valves & Pumps, we specialize in designing and manufacturing high-performance pressure control and safety devices for aggressive, high-pressure, and sensitive process systems. Our extensive product lineup includes:
- PFA lined pressure relief valve
- Pressure relief valves
- Pressure safety valves
- Upstream pressure regulators
- Downstream pressure regulator
- Slam shut off valves
- Tank protection devices
- Breather valves
- Flame arrestors
- ASME UV approved relief valves
Each product is engineered with precision and tested under stringent quality standards. Whether you’re building a new plant or upgrading an aging system, DJK offers dependable solutions tailored to your operational needs.
Conclusion: Engineered Safety Under Pressure
Maintaining pressure stability and process safety is not just a technical requirement it’s a mission-critical priority. With DJK Valves & Pumps’ portfolio of pressure relief valves, PFA lined pressure relief valve, pressure safety valves, upstream pressure regulators, downstream pressure regulator, slam shut off valves, tank protection devices, breather valves, flame arrestors, and ASME UV approved relief valves, your plant can operate with confidence, precision, and compliance.
Trust DJK Valves & Pumps for all your pressure control needs crafted with safety in mind, and engineered for excellence.
