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12с-8-9Э
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Production according to TR 3740-002-15365247-2004
Pipeline connection: flanged connection.
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.
Specifications
| L, mm: | 220 |
| H, mm: | 1585 |
| h, mm: | 22 |
| D, mm: | 810 |
| D1, mm: | 900 |
| d, mm: | 40 |
| D2, mm: | 950 |
| 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. | n | Weight without Electric Actuator, kg | Full Weight, kg |
| 800 | 0,1 | 400 | 09Г2С | Air, gases | 40000 | 4780 | 630 | 0,25 | МЭОФ-630/15-0,25У-97К | 0,2 | 15 | 18 | 245 | 312 |
| 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 rotary disc valves of type 12с are intended for the flow control of air and compatible stripped gases in the gas and air lines of the boiler unit.
The control is carried out through changing the area of passage section when turning the disc with the help of:
- an actuator of single-turn electric flanged actuator (МЭОФ) type
installed on the top trunnion; - an actuator of single-turn electric actuator (МЭО) type through the lever.
The full opening of the valve corresponds to the disc turning by an angle of 90 from the closed position.