General information
Type | Main safety-valves - 250/400 type |
Subtype: | High parameters valves |
Operating medium: | steam |
Body material: | 20ГСЛ |
Description
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.
We provide a full range of customer service including full warranty, 24/7 consultation and support, valuable insights into the ideal technical solutions in accordance with your requirements and expectations. At your desire we will be glad to supervise or execute the installation and commissioning process. Thanks to strict control over manufacturing process each equipment unit is inspected and recorded so the aftermarket support and spare parts delivery are notable for promptness and full interchangeability. To prolong the life-time of your equipment we are always ready to render on-site services from scheduled maintenance to troubleshooting, equipment inspection and emergency & repair works. All-time we keep our customers informed concerning possible improvements, up-to-date solutions and technical developments which can help to upgrade your equipment and enhance efficiency.
Technical data
Diameter, DN: | 250/400 | mm |
Pressure, PN: | 1 | MPa |
Maximum steam rate: | 87-280 | t/h |
Temperature: | 450 | C˚ |
Minimum passage area: | 193 | cm2 |
Flow coefficient: | 0.65 | |
Operating stroke: | 40 | mm |
Dimensions
L: | 760 | mm |
H: | 1200 | mm |
A: | 240 | mm |
DP1: | 254 | mm |
DH1: | 285 | mm |
DP2: | 401 | mm |
DH2: | 440 | mm |
Weight: | 767 | kg |
Drawing
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