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Help CenterElectric Actuated Balanced Labyrinth Flow Control Valve (T968Y)
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Electric Actuated Balanced labyrinth flow control valve( T968Y)
Brief Introduction
Electric Actuated Balanced labyrinth flow control valve( T968Y) adopt top guided structure. It has following advantages: Precise valve body , S-Pattern Flow Port, Small Pressure Drop, Big Adjusting Range and High Precision of Flow Cv Value. The Dis-guiding area is big. It also has strong aseismic performance. The sealing performance is conformed to Standard GB/T4213-92.
Such control valve uses small, strong and high precision electric actuator with On-Off Function or with 4-20mA DC or 1-5V direct current signal to realize valve's proportional action, which is more suitable for the working condition required reliable and high sealing performance, High Temperature or Low temperature or High Pressure.
Such Angle Control Valve is mostly applied to control the flow capacity of High viscosity medium and the slurry or fluid with Particles, etc. PN220/PN320 Angle Type High Pressure Control Valve is a special valve mainly designed for the high pressure system in which Cavitation errossion occured easily.
Specifications of Electric Actuated Balanced labyrinth flow control valve( T968Y)
Trim Features: Sleeve guided balanced trim structure, labyrinth disc cage combination
Body Type: Straight Through Type, Angle Type,
Bonnet Type: Standard Type, heat dissipation type, cryogenic
Flow Characteristic: Equal Percentage, Linear, Quick Open
Shut-Off Class: ASME B16.104 V (Standard Metal Seat),
ASME B16.104 VI( Shut-off Soft Seat)
Pipe Connection Type: Flange Type, Butt welding Type
Applicable Temperature Range: -196°C - 570 °C ( Double-Seat Structure),
Actuator Type: Pneumatic Diaphragm Actuator,
Pneumatic Piston Actuator,
Electric Actuator..
Standard technical specification of Electric Actuated Balanced labyrinth flow control valve( T968Y)
Valve Body
Type: Straight Through Single Seat Cast Steel Globe Valve
Size: DN20-300
Pressure: PN16~PN100, Class 150LB ~ Class 600LB
Connection: RF(Standard), Threaded, Welded
Flange Facing: Raised Face
Face to Face dimension: GB12221-89
Material: WCB, 304,316
Bonnet Type: Gland
Packing: V tupe PTFE, Flexible Graphite
Gasket: Plain Type, PTFE, SS+Graphite
Valve Trim
Disc: Single Seat Plug Type
Sleeve: Metal Sealing(Equal Percentage, Linear)
RPTFE (Equal Percentage, Linear)
Performance of Electric Actuated Balanced labyrinth flow control valve( T968Y)
Raded KV Value: Refer to Table 1
Flowing Features: Linear, Equal Percentage
Adjusting Range: 50:1
Leakage Rate: Metal Sealing should be below 0.01% ANSI B16.104-1976 Class IV
Soft Sealing should be below 0.00001% ANSIB16.104-1976 Class VI
Allowable Deviation: 1%
Table 1: Kv Value & Action Time:
| DN | Seat Dia | KV | Motor Model | Output Thrust | Rated Stroke | Action Time | |
| mm | mm | Linear | Equal % | N | mm | s | |
| 20 | 20 | 6.9 | 6.3 | 381LSA-08/20 | 800/2000 | 16 | 3.8/7.6 |
| 25 | 25 | 11 | 10 | ||||
| 32 | 32 | 17 | 16 | 381LSB-30/50 | 3000/5000 | 25 | 7.2/14.7 |
| 40 | 40 | 27 | 25 | ||||
| 50 | 50 | 44 | 40 | ||||
| 65 | 65 | 69 | 63 | 381LSB-50/SC-65 | 5000/6500 | 40 | 2.5/14.3 |
| 80 | 80 | 110 | 100 | ||||
| 100 | 100 | 176 | 160 | ||||
| 125 | 125 | 275 | 250 | 381LSC-99/160 | 10000/16000 | 60 | 30/60 |
| 150 | 150 | 440 | 400 | ||||
| 200 | 200 | 690 | 630 | ||||
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