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Electric Expansion Vavle Series

【Usage】
Household air-conditioning electronic expansion valve is mainly applied in frequency conversion air-conditioning system, to realize the automatic control of refrigerant flow rate, thus to make airconditioning system to work in the best situation and to realize fast freezing ,temperature precision controlling and electric saving.
【Explanation】
Before brazing the valve body ,to get rid of the coil ,and protect valve body with wet cloth ,and the body temperature should be below 120. c;
Orientation of installation: coil up-side ,valve body 90 degree.
【Working condition】
Coil power supply:DC12V±10%
Insulation resistance:100MΩ(Minimum)
Electric current per phase:0.25A
Way of excitation:1-2 phase excitation (30-90 phase), single-pole drive
Coil insulation class:E
Medium of application:R22,R407C etc
Environmental temperature:-30~+60℃
Medium temperature:-30~+70℃
environmental humididity:95%(Maximum)
Using pressure range:0~2.26MPa
Full stoke pulse:500
On-valve converse pressure:1.47MPa(minimum)
On-valve pulse: 32±20
Life:100000 times
Temperature rise:less than 55℃
【Specifications】

Product No.

USRT Capacity

Valve size (mm)

Flow rate NL/min

250Pulse

250Pulse

LDPF1.6
LDPF1.8
LDPF2.2
LDPF2.4

1.5
2
3
4

1.6
1.8
2.2
2.4

19.3±3.9
25±5
37±7.4
51.7±10.5

≥27
≥35
≥52
≥70



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