111-250/400-0b

General information
Equipment type: Main safety-valves - 250/400 type
Subtype: High parameters valves
Working medium: steam
Body material: 20ГСЛ
Temperature: 450 °C
111-250/400-0b

111-250/400-0b

Description for 111-250/400-0b
Safety-valves are designed to prevent equipment damage under extreme pressure level by means of automatic vent of liquid, gaseous, vaporized medium excesses from vessels and systems with overpressure.
Characteristics
Diameter, DN: 250 mm
Temperature: 450 °C
Working stroke: 40 mm
Discharge ratio: 0.65
Dimensions
Height (H): 860 mm
Length (L): 760 mm
A: 240 mm
Weight: 756 kg
DH2: 440 mm
DP2: 401 mm
DH1: 285 mm
Min passage area: 193 cm2
DP1: 254 mm
Working stroke: 40 mm
Drive
Pressure, PN: 0 MPa
Overall drawing 111-250/400-0b *
111-250/400-0b
* Dimensions may vary depending on the electric motor model, customer requirements and design constraints.