SINGLE SCREW CHILLERS IMM
16 Engineered for Flexibility and Performance
Fig.4-3
Note: Before connect the pipe, Need to remove the plastic plug in the valve (if any), According to
the local regulations.
When the emptying pipe is installed to the relief valve, the dimension of emptying pipe is based on
the size of one relief valve. Then it is connected to two valves.
The connected type of relief valve is FPT1 (internal thread NPT1). There are two relief valves
installed on the oil separator, If one is damaged, adjust the cut off valve to isolate it, and the other
relief valve can protect the system, at the same time, the damaged valve could be changed.
To set the pressure of relief valve, please refer to the Engineering Data, EDUA14-04-2.
Note: 1 inch pipe is too smaller for the valve; the reducing tube must be connected on the valve
outlet.
The equivalent lengths of reducing connectors are shown below:
When from more than one line into the public joint, the public joint's area cannot be less than the
total area, the following equations can be calculated:
D1, D2, Dn: the area of each branch line.
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