Для паровых турбин DTC/STC/HTC 4BA-KB4-N4-B1A, переключатель низкого давления

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For DTC/STC/HTC steam turbine Units 4BA-KB4-N4-B1A Low pressure switch

Product Description

1. Description: We provide 4BA-KB4-N4-B1A according to the model and drawing number of DEC,HEC,SEC,etc, the drawings or the samples you supply. Produced by advanced technology, have excellent  performance, and is widely used in TSI system. pressure switch is a form of switch that closes an electrical contact when a certain set pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall.The pressure switch may be adjustable, by moving the contacts or adjusting tension in a counterbalance  spring. Industrial pressure switches may have a 

calibrated scale and pointer to show the set point of the switch. A pressure switch will have a differential range around its setpoint in which small changes of pressure do not change the state of the contacts. Some types allow adjustment of the differential.

2. Features: high precision, high speed, long life, high reliability.
3. Application: Power plants&power station ,steel mill,steel Industry,steam turbine, steam generator, hydraulic generator, hydro turbine compressor, sintering machine, coal grinding machine AC motor and other heavy machinery.
4. Quality guarantee: We offer original and authentic DEC products. Certificate of Origin, Certificate of Manufacturer, certificate of conformity by DEC/DEA/DTC/DBC are available with the product.


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We also provide related models of the above product. Check more on our official website: www.yoyik.tech.


Packaging & Shipping

Packing Details: cartons or wooden box.



Delivery Details: 3-30 days after order if the goods are in stock, or according to the lead time of contract.

Delivery method: air freight, ocean freight, express, etc.




Our Services

We are specialized in manufacturing spare parts for steam turbines, hydraulic turbines, turbine generators, hydraulic generators, boilers, Babbitt bearings, Fluorine plastic bearings, sealing material, insulation materials, wear-resistance material, pneumatic and hydraulic components including filters, pumps and valves, Hydrogen gas, Sealing oil, Stator cooling water system, Excitation system, electric motor repairing as well as all kinds of mechanical processing.

 our service

Our Advantages
We've been producing and selling power plant spare parts for almost two decades, having abundant experience in providing professional service to clients over the globe.
Our Promise
We have professional technicians and service people who are committed to help our customers. To offer satisfied products and service is our goal.
Our Quality
Excellent quality control is one of our main principles. The goods are manufactured strictly according to production standard.



Company Information

Dongfang YOYIK Engineering  Co.,Ltd, (YOYIK) was established in 2000 and specialized in manufacturing spare parts for steam turbines, hydraulic turbines, turbine generators, hydraulic generators, boilers. We are the agent for Nugent, Hilco Hilliard, Sauer Danfoss, Titeseal, Eaton, 707. Business scope is not limited to Dongfang units, including many products for Harbin steam turbine (HTC), Harbin electric machine factory Co., Ltd (HEC), STC, SEC, Chengdu Power Machinery Works (CPMW), Shanghai Power Equipment Manufacture Co.,Ltd (SPEM), Shenyang Stock etc.

YOYIK is also  the qualified supplier of Dongfang Steam Turbine works (DFSTW), Dongfang Electrical Machinery Co.,Ltd (DFEM), Areva Dongfang Reactor Coolant Pumps Co.,Ltd, China National Erzhong Group (CNEG). At same time YOYIK has provided a great deal of spare parts for Coal-fired plants, Hydraulic power stations, Nuclear power plants, Gas turbine power plants, Steel mills, Cement plants.

DTC TSI system DET200A LVDT displacement sensor

Passed the ISO9001:2008 quality system authentication and ROHS authentication.


What price terms do you accept?

Our company can accept all trading manners,eg. EXW, FOB, CIF etc

What payment terms do you accept?

Our company can accept T/T.

How do you ship your products?

The product will be carefully packed in fine cartons or wooden box, or as the customers' requirement. We work with DHL, FedEx, ocean freight, air freight to world wide.

How long is your delivery time?

Generally 3-30 days if the goods are in stock, or according to the contract if the goods are not in stock.

Do you offer free samples?

Sorry, samples are not avaible.

If you have another question, pls feel free to contact us as below:

0.0253 s.