Stainless Steel Full-Lift Safety Valve DIN Threaded
TECHNICAL DESCRIPTION
Automatic full-lift safety valve, preventing critical pressure build-up in the system. Maximum unloading when reaching the set operating pressure. Full opening, at 5% overpressure from the valve setting.
When ordering a valve, please inform us of your requirements regarding valve capacity, fluid type, operating temperature, inlet size and the type of system in which it will be used.
ANNEX
• Saturated steam boilers, steam superheaters and steam preheaters, compressed air processing and storage installations.
• Thermal oil boilers, installations operating at high flow rates and chemical reactions involving exothermic processes.
• LPG gas storage installations
WORKING FLUID / MEDIUM
• Steam, water and technical gases.
• Thermal oil, fuels, lubricating oils and flammable hydraulic oils, petroleum, air, gas, non-flammable hydraulic fluids, boiler feed water, condensate.
• Propane butane LPG gas.
• Corrosive fluids and gases.
OPTIONS
• Open lid with a forced opening handle.
Dimensions: DN 20 – 25
The STAINLESS STEEL FULL-LIFT SAFETY VALVE DIN THREADED is engineered for superior performance in high-pressure industrial applications. Constructed from durable 316 stainless steel, this valve ensures excellent corrosion resistance and longevity, making it ideal for use in chemical processing, oil and gas, and power generation industries. Its full-lift design provides maximum discharge capacity, ensuring rapid pressure relief to protect systems from overpressure conditions.This safety valve complies with DIN standards and features a threaded connection for easy installation and maintenance. The precision-engineered mechanism offers reliable operation with minimal blowdown, enhancing system safety and efficiency. Key features include:Full-lift disc for high capacity flowDIN threaded ends for secure fittingStainless steel construction for corrosion resistanceTemperature range up to 400°CSet pressure options tailored to application needsDesigned for versatility, this valve is suitable for steam, gas, and liquid services. Its robust build and adherence to international standards ensure compliance with safety regulations, providing peace of mind in critical operations. Regular maintenance is straightforward, thanks to its accessible design and replaceable parts, reducing downtime and operational costs.

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | stainless steel 1.4408 (AISI 316) |
| 2 | Spring cover | stainless steel 1.4408 (AISI 316) |
| 3 | Lifter | stainless steel 1.4408 (AISI 316) |
| 4 | Driver | stainless steel 1.4401 (AISI 316) |
| 5 | Cap | stainless steel 1.4408 (AISI 316) |
| 6 | Valve | stainless steel 1.4542 (AISI 630) |
| 7 | Separator | stainless steel 1.4401 (AISI 316) |
| 8 | Saddle | stainless steel 1.4542 (AISI 630) |
| 8 | Saddle | stainless steel 1.4028 (AISI 420) |
Features
| SPECIFICATION | |
|---|---|
| Attaching the lid | threaded |
| Execution | angular |
| Joining | threaded |
| Management | automatically |
| DN | PN | G1 x G2 (BSP) | L1 | L2 | H | H1 | Weight (kg) |
|---|---|---|---|---|---|---|---|
| DN 20 x 32 | Ru 16 | 3/4" x 1 1/4" | 80 | 65 | 320 | 112 | 4.8 |
| DN 25 x 40 | Ru 16 | 1" x 1 1/2" | 85 | 80 | 370 | 129 | 6.1 |









