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70 HP Refrigeration Chiller D8SK1-7000-BXW-BM844 Semi Hermetic Compressor
Speciafication:
Compressors in the higher capacity range need some form of capacity control to accommodate varying
refrigeration load. The capacity control kit supplied by DWM Copeland will reduce the refrigeration capacity along
with a similar proportional reduction in Power Input. This ensures optimum performance even in part load.
Capacity control is also required when the condensing pressure falls with a drop in ambient air temperature.
The compressor suction condition, refrigerant volume and mass flow rate will remain unchanged.
Methods of Capacity Control
There are many methods of capacity control for Semi-Hermetic compressors but DWM Copeland use the “Blocked
Suction method” and for the D3D Over Re-expansion method known as Moduload.
Note: Oil circulation in systems with capacity control is more critical.
The 4S, 6S & 8S compressors have an internal capacity control, they work on the principle of blocking the suction
gas passage to two or more cylinders. They require the use of a special cylinder head and a control valve with
solenoid coil. These items may be ordered installed at the factory or in a kit form for later installation.
The suction port of the valve plate will be closed by a control piston (blocked suction). To prevent transport damage
the solenoid valve is supplied loose and the cylinder head is fitted with a shipping plate, therefore the shipping plate
with gasket must be removed and the solenoid valve with new gasket mounted. Do not put the compressor into
operation with the shipping plate this could result in erratic operation of the control piston and inadequate cooling
capacity.
Compressor model
D8DH-5000-AWM/D
Application
HVAC
Horse Power
70HP
Net weight
376kg
Gross weight
430kg
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2006
Total Annual:
44000000-60000000
Employee Number:
110~115
Ecer Certification：
Verified Supplier
Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb... Shenzhen Ruifujie Technology Co., Ltd is a leading supplier of high-quality compressors for a wide range of industries and applications. With over 14 years of experience in the industry, we have built a reputation for
providing exceptional products and services to our customers.
&nb...
