Safety Valve Steel Full-Lift Flanged DIN
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.
OPTIONS
• Open lid with a forced opening handle.
Dimensions:DN 20 – 200
The Full-Lift Safety Valve in steel with flanged connection conforms to DIN standards, designed for high-capacity pressure relief in industrial applications. Engineered for optimal performance, this valve ensures operational safety by preventing overpressure conditions in pipelines, vessels, and pressurized systems. Its robust construction from high-grade steel guarantees durability and resistance to corrosion, making it suitable for harsh environments including chemical, petrochemical, and power generation industries.Key features include:Full-lift design for maximum discharge capacityFlanged ends compliant with DIN standards for easy installationConstructed from certified steel for high pressure and temperature resistancePrecise blow-off pressure settings to meet specific system requirementsReliable reseating after activation to maintain system integrityThis safety valve is essential for protecting equipment and ensuring compliance with international safety regulations. It is tested and certified to perform under extreme conditions, providing peace of mind for engineers and facility managers. Ideal for use in boilers, pressure vessels, and industrial piping systems where safety cannot be compromised.
Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | steel EN 1.0619 |
| 2 | Spring cover | steel EN 1.0619 |
| 3.1 | Lifter DN25x40 to 200x300 | steel EN 1.0619 |
| 3.2 | Lifter DN 20x32 | stainless steel 1.4408 (AISI316) |
| 4 | Driver | stainless steel 1.4028 (AISI420) |
| 5 | Cap | steel EN 1.0619 |
| 6 | Valve | stainless steel 1.4028 (AISI420) |
| 7 | Separator | stainless steel 1.4028 (AISI420) |
| 8 | Saddle | stainless steel 1.4028 (AISI420) |
Features
| SPECIFICATION | |
|---|---|
| Standard | DIN |
| Joining | flanged EN 1092-2 |
| Lid connection | bolted |
| Execution | angular |
| DN / input | DN / outlet | G | D1 | D2 | L1 | L2 | H | H1 | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| DN 20 / Rn 40 | DN 32 / Rn 40 | 1/4" | 105 | 140 | 85 | 95 | 350 | 112 | 8.1 |
| DN 25 / Rn 40 | DN 40 / Rn 40 | 1/4" | 115 | 150 | 95 | 105 | 395 | 129 | 10 |
| DN 32 / Rn 40 | DN 50 / Rn 40 | 1/4" | 140 | 165 | 100 | 110 | 415 | 129 | 14 |
| DN 40 / Rn 40 | DN 65 / Rn 40 | 1/4" | 150 | 185 | 115 | 130 | 500 | 148 | 20 |
| DN 50 / Rn 40 | DN 80 / Rn 40 | 1/4" | 165 | 200 | 125 | 145 | 555 | 148 | 27 |
| DN 65 / Rn 40 | DN 100 / Rn 16 | 3/8" | 185 | 220 | 140 | 150 | 660 | 191 | 39 |
| DN 80 / Rn 40 | DN 125 / Rn 16 | 3/8" | 200 | 250 | 155 | 170 | 710 | 191 | 56 |
| DN 100 / Rn 16 | DN 150 / Rn 16 | 3/8" | 235 | 285 | 175 | 180 | 810 | 191 | 83 |
| DN 125 / Rn 16 | DN 200 / Rn 16 | 1/2" | 270 | 340 | 215 | 220 | 858 | 191 | 103 |
| DN 150 / Rn 16 | DN 250 / Rn 10 | 1/2" | 300 | 395 | 225 | 245 | 1029 | 247 | 149 |
| DN 200 / Rn 16 | DN 300 / Rn 10 | 1/2" | 360 | 445 | 265 | 290 | 1252 | 331 | 244 |