22:09
12с-1
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Pipeline connection: welded connection.
The maximum pressure differential on the valve is limited.
Installation position: on horizontal and vertical pipeline sections.
Climatic version: У, УХЛ, ХЛ, Т according to GOST 15150-69.
Placement category: 2, 3 according to GOST 15150-69.
The valves are controlled through a quarter-turn actuator with a current position sensor of single-turn electric actuator (МЭО) and single-turn electric flanged actuator (МЭОФ) types (ABS ZEIM Automation, OJSC, Cheboksary) etc.
| D, mm: | 380 |
| D1, mm: | 401 |
| D2, mm: | 426 |
| H, mm: | 880 |
| L, mm: | 400 |
| DN, mm | PN, MPa | Tmax of the Medium, ºC | Body Material, Steel | Working Medium | Max. Pressure Differential, MPa | F, cm² | TQ, N•m, maximum torque at spindle plug | Full Stroke Rotation Number | Designation of the electric drive | N, kW | t хода, с. | Weight without Electric Actuator, kg | Full Weight, kg |
| 400 | 6,3 | 425 | 20 | Steam | 0,25 | 965 | 8750 | 0,25 | МЭО-630/25-0,25У-92К | 0,2 | 25 | 135 | 209 |
| DN - Nominal Diameter PN - Nominal Pressure P - Pressure |
Tmax - Maximum Design Temperature Mкр - Spindle Torque t - Response time μ - Fluid Flow Coefficient |
h - Valve Stroke Kv - Throughput Capability F - Seat Area ζ - Resistance Coefficient |
The control valves with butterfly dampers of type 12с are intended for the flow control of water steam, gas and air.
The control is carried out by means of changing the area of passage section between the body and the butterfly damper when turning it.
The full opening of the valve corresponds to the lever turning by an angle of 75 from the closed position.