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Set up in 1995, China Deland Valves Manufactring Co.,Ltd. is one of the leading expansion valve manufacturer, supplier and distributor in Yongjia County of Zhejiang Province. We manufacture all expansion valves strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our expansion valves are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields. We can supply custom, used, discount, cheap expansion valve and accessory to USA, UK, Canda, Amercia, Europe, Germany, France, Japan, India, Iran, Russia, Poland and more than 30 countries in the world. |
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Our QRFWH expansion valve does not only follows the American, Japanese and international car standards, but also has two kinds of inner encapsulation structures: One is of international O-ring encapsulation structure, while the other one is of Teflon encapsulation structure, originally invented by our company, with the patent no. of ZL01260199.3 and ZL 01226951.4.
Features:
1) High sensibility of regulation
2) Stable regulation
3) Small internal leakage
4) Reliable temperature sensing, without deviation
5) Without block or jump
6) Long usage life
7) Customers can choose from the above mentioned two structures
This technology ensures the utilizing ratio of thermal conduction area erof the evaporator not be reduced and temperature of environment where the valve body and sensitive bubble not be restricted.
Both the internal equalizer and external equalizer systems are furnished, especially, the former of which efficiently eliminated the influence resulted from the loss of evaporator pressure. |
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SEV Electric Expansion Valve is mainly used in refegaranting and air conditioning
for precise control of refrigerant flow.
Characteristic:
Total-enclosed
Step-motor drive
Complete close can omit magnetic valve
Linear flow change
Wide range of cooling capacity
High- resolution, 0.0000393 foot (0.001mm)/step, Max. action parameter 12500 steps
Wide application (Can be compatible with most CRCs,HCFCs and HFCs)
Original valve body transmit with separable extend drivers through magnetic induction Low power consumption 7.2W(3.6W/phase)
Scaled with permanent rigid lubricating material
Supported by MVC Electric Expansion Valve Controller, make SEV Electric Expansion Valve convenient like traditional thermostat expansion valve
Two main parts of SEV Electric Expansion Valve, Valve body and throttle step motor.
The step motor is on the top of valve extend step motor can be separated by valve body, it motivate the core of valve to up and down by magnetic induction so as to precise control refrigerant flow |
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