SAFETY VALVE CAST IRON THREADED FULL-LIFT DIN
Material:
cast iron EN-JL1040; DIN GG25Dimensions:
DN 20 - 25APPLICATIONS
Steam and gases; saturated steam boilers, over heaters and reheaters, gas storage tanks, compressed air treatment and storage installations. Liquids; thermal fluid boilers, installations with large mass flows and chemical reactions with exothermal processes.
OPERATION
Automatic pressure releasing valve which opens instantly and totally to sudden overpressure. Maximum discharge immediately at defined set pressure. Fully open at set pressure +5%.
When ordering a safety valve please let us know your requirements regarding capacity, media, temperature, inlet dimension and type of system."
MEDIA
Steam. Thermal oil. Fuel oil, lubricating oil and flammable hydraulic oil. Cargo oil. Air. Gas. Non-flammable hydraulic fluid. Boiler feedwater, condensate. Seawater and freshwater.
OPTIONS
Open cap with lever
Materials
| No. | Part | Material |
|---|---|---|
| 1 | Body | Cast Iron EN-JL1040 |
| 2 | Closed bell | Ductile iron EN-JS1030 (GGG40) |
| 3.1 | Elevator DN25x40 to 200x300 | Ductile iron EN-JS1030 (GGG40) |
| 3.2 | Elevator DN 20x32 | Stainless steel 1.4408 (AISI316) |
| 4 | Lead | Stainless steel 1.4028 (AISI420) |
| 5 | Hood | Ductile iron EN-JS1030 (GGG40) |
| 6 | Plug | Stainless steel 1.4028 (AISI420) |
| 7 | Separator | Stainless steel 1.4028 (AISI420) |
| 8 | Seat | Stainless steel 1.4028 (AISI420) |
Characteristics
Dimensions
| DN | Pressure Rating | G1xG2 (BSP) | L1 | L2 | H | H1 | Weight (kg) |
|---|---|---|---|---|---|---|---|
| DN 20 x 32 | PN 16 | 3/4" x 1 1/4" | 80 | 65 | 320 | 112 | 4.8 |
| DN 25 x 40 | PN 16 | 1" х 1 1/2" | 85 | 80 | 370 | 129 | 6.1 |