Cooling capacity 20kW-50kW
Characteristics:
1. Structure: Panels and base frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents.
2. Compressor: Hermetic scroll type compressor, equipped with the crankcase heater and thermal protection with thermal overload cut-out and crankcase heater mounted on rubber vibration isolators.
3. Axial fan: External rotor type axial fans, equipped with single phase direct drive motors, low noise 6 poles, protection level IP54, provided with a protective outlet grille.
4. Evaporator: High efficiency and low pressure drop stainless steel (AISI 316) water exchangers, with anti-freeze heating element (option) and differential pressure switch, factory insulated with flexible close cell material
5. Condenser Coils are consisting of seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins, 100% fully quality tested; sub cooling circuit to prevent freezing at the base (optional); protected with metal grill.
6. Desuperheater: High efficiency stainless steel brazed plate heat exchanger, factory insulated with flexible close cell material(optional).
7. Refrigerant circuit: Copper tube connection with charge valve, filter, sight glass, gas-liquid separator, thermostatic expansion valve, low pressure switch with automatic reset, high pressure switch with manual reset. The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve.
8. Water circuit: Built with air vent valve, water drain connection, and female-threaded hydraulic connectors. Water pump (8kW-30kW), differential pressure switch. Expansion tank (8kW-30kW)
9. Electric panel: Compressor contactor, Compressor protection breaker, Fan motor protection breaker, Control circuit protection breaker, Phase sequence relay (only for 3-phase), Programmable microprocessor controller
10. Optional: Additional electric heater embedded in the coils for defrosting in low temperature ambient. It must be factory installed; Stainless steel covering; Remote condenser; Tube in tube heat exchanger; Water circuit electric heater.
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KW series adopts double toggle mould clamp structure which greatly increase clamp unit rigidity and precision. Injection structure applies double pillar guiding type and equipped with dual cylinder to perform injection stability. KW series are standard universal types that widely used in applications including electrical& electronics, communication, household, package, construction, automotive etc.
FeaturesÂ
User friendly: Easy nozzle alignment after injection carriage improved. Easy care       and maintenance.
 Precision: high optimistic mechanical structure with high-tech controller, greatly  increase machine service life and precise.
 Speedy: High injection speed reducing cycle time.
 Durable: Thicker platens to add strength, free from deforming molds.
 Stable: dual cylinder injection, perform stability and reliability.
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Ningbo Kingway Machinery Co., Ltd Technical parameter
Item
 Unit     Model
KW338
Injection unit
Screw type
/
A
B
C
Screw diameter
mm
65
70
75
Shot volume(theoritical)
cm 3
1161
1347
1546
Injection weight (PS)
g
1045
1210
1391
Injection rate
g/s
325
368
390
Injection pressure
Mpa
182
157
137
Screw rotation speedÂ
r.p.m
180
Clamping unit
Clamping force
KN
3380
Open stroke
mm
660
Space between tie bars(W*H)
mm
660*660
Max. mould height
mm
680
Min. mould height
mm
250
Ejector stroke
mm
160
Ejector force
KN
62
Others
Max. Pump pressure
Mpa
14
Pump motor power
KW
37
Heating power
KW
20.4
Machine dimension(L*W*H)
m
7.2*1.85*2.3
Machine weightÂ
t
12.5
