Plug valve is Quarter-turn rotary motion Valve that uses a tapered or cylindrical plug to stop or start the flow. The disk is in plug shape, which has a passage to pass the flow. In open position, this bored passage is in line with the flow. When the plug is turned 90 from the open position, the solid part of the plug blocks the flow.
Plug valve is used in place of gate valve where a quick operation is required. It can be used in high-pressure temperature services. On the other hand are the non-lubricated plugs which are generally used in places which requires zero maintenance. Apart from this, the threaded plug valves are used for flow control and prevention of contamination.
Plug valves generally have cylindrical and conical tapered installed. These tapered plugs rotate within the valve which controls the flow inside the valve. It also has of hollow passageways which permit the water to flow when the valve is open.
Motors used as a part in the equipment, electrical, machine yy and yjf series of micro-motors which are applied to household appliances such as refrigerator freezer, microwave oven, warm-air blower, ventilation fan, oven, fresh air machine.
The motor has the advantages of high-efficiency, good mechanical-properties, low-noise, etc. Control circuit put inside has flexibly control methods, wide timing range(10%-100%), and many trouble protection functions. When matched with 37JB reducer, it can attain low-speed, large-torque output.
The VID29 series stepper motor is a patented stepping motor design. The product is mainly used in dashboard instrumentation and digital indicator equipment to transfer a digital signal into an accurate angle display. The VID29 series has a 4 gears design construction in order to guarantee high efficiency, high position accuracy and a robust gear system. The unique gear shape design reduces friction and noise. A special material is used for each component to increase liability & safety .
Main Features
High speed rotation: 600p/sec.
High »-step resolution: 1/12p.
Wide working voltage: 3.5~10V.
Wide working temperature: -40 ~ 105.
Low current consumption.
Extremely robust construction: ¦30mm X 7.6mm.
Applications
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Automotive cluster , Motorbike cluster , Digital instrumentation system .
AC motor
1.Haitec power transmission co. Ltd is the joint venture company between singapore and hk investers. High grade management and quality control system.
2.Housing material is high density aluminium alloy adc-12.
3.Gear profile type zk which efficiency up to 0.9. Other china made gear profile type is in za which efficiency up to 0.7 only. Hobbing tools for zk profile are much expensive more than 10 times than za.
4.Material of worm shaft is 40cr (astm 5140). Others makers are using 45# steel which quality is poor while using it as worm shaft.
5.Material of brass on worm wheel is zqsnd10-1 (din gb-cusn10/2.1051)(bs pb1) which other china makers are using zqsnd9-4 only.
6.Bearings from fag bearings china oem makers.
7.Synthetic lubrication oil of taxas brand.
8.100% running test before ex-factory.
Thus, haitec worm gears have much high quality than other china mainland makers and the prices must higher than them. However, it is still much cheaper than european products.
Model: YHD-380
No load current: 0.48A Max
No load speed (rpm):12700RPM±10%
Rated load current (A):2.95A Max
Rated load speed (rpm):10908 RPM±10%
Rated torque:110 g-cm
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