Et-F Series Compound Two-Stage Freezing Screw Compressor

Product Description

Product Parameters

Technology Parameters Table
Compressor	Type	ET-218	ET-228	ET-335	ET-345	ET-450	ET-455	ET-565	ET-575
	Low pressure volume flow(m³/h)	230	320	450	550	650	844	1030	1280
	High pressure volume flow(m³/h)	100	140	208	260	315	405	500	620
	50Hz Rotation speed	2950
	Capacity control	25%, 50%, 100%		10%, 50%, 100%		10%, 50%, 75%, 100%
Motor specification	Power supply	3-380V-50Hz
	Starting method	Y-D
	Insulation grade	F
	Protection equipment	Phase sequence+PTC+PT100
Size of connecting pipe	Inlet port	3''(φ89)		4''(φ108)		5''(φ133)		6''(φ159)
	Outlet port	2''(φ57)		2.5''(φ76)		2.5''(φ76)		4''(φ108)
	Replenishment port	1.5''(φ45)		2''(φ57)		2''(φ57)		3''(φ89)
	Oil supply method	Differential pressure oil supply
Pneumatic&Strength test bar(G)		44
Weight(kg)		740/740	760/760	1125/1160	1216/1260	1475/1490	1495/1550	2050/2100	2130/2183

Our Advantages
(1) Adopting the new generation SDC high efficiency screw profile, the free-form surface is sealed to reduce the length of the contact line while minimizing the leakage triangle area.
(2) Adopting two-stage comoression technology, without pre-cooling, the evaporature temperature can be directly reduced from cold storage temperature to -65ºC.
(3) The motor is arranged between the low-pressure and the high-pressure stage, to prevent condensation or frost in the motor shell and the terminal box to ensure electrical safety. At the same time, the internal flow path is optimized to reduce pressure loss.
(4) Both the suction side and the replenishing side are large-area filters, which protect the compressor while reducing the pressure loss.

Operating Range
Company Profile
Busniness Type: Factory
Main Product: Refrigeration Screw Compressor, heat pump
Main Marketing: Mid East
Corporate Vision: To be the Green environmental technology leader
Adress: No.39 jiaqi Road, Xianlin Street, Yuhang District, Hangzhou, Zhejiang, China

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