CAST IRON FULL-LIFT SAFETY VALVE 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
• Water and steam treatment plants.
• Compressed air, technical and cryogenic gas treatment and storage plants.
• Thermal oil boilers, plants operating at high flow rates and chemical reactions involving exothermic processes.
WORKING FLUID / MEDIUM
• Water and steam.
• Thermal oil, fuels, lubricating oils and flammable hydraulic oils, petroleum, air, gas, non-flammable hydraulic fluids, boiler feed water, condensate.
OPTIONS
• Open lid with a forced opening handle.
Dimensions:DN 20 – 200
Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | grey cast iron EN-JL1040 |
| 2 | Spring cover | grey cast iron EN-JL1040 |
| 3.1 | Lifter from DN25x40 to 200x300 | malleable cast iron EN-JS1030 (GGG40) |
| 3.2 | Lifter DN 20x32 | stainless steel 1.4408 (AISI316) |
| 4 | Driver | stainless steel 1.4028 (AISI420) |
| 5 | Cap | grey cast iron EN-JL1040 |
| 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 16 | DN 32 / Rn 16 | 1/4" | 105 | 140 | 85 | 95 | 350 | 112 | 8.1 |
| DN 25 / Rn 16 | DN 40 / Rn 16 | 1/4" | 115 | 150 | 95 | 105 | 395 | 129 | 10 |
| DN 32 / Rn 16 | DN 50 / Rn 16 | 1/4" | 140 | 165 | 100 | 110 | 415 | 129 | 14 |
| DN 40 / Rn 16 | DN 65 / Rn 16 | 1/4" | 150 | 185 | 115 | 130 | 500 | 148 | 20 |
| DN 50 / Rn 16 | DN 80 / Rn 16 | 1/4" | 165 | 200 | 125 | 145 | 555 | 148 | 27 |
| DN 65 / Rn 16 | DN 100 / Rn 16 | 3/8" | 185 | 220 | 140 | 150 | 660 | 191 | 39 |
| DN 80 / Rn 16 | 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 |
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