PRODUCTS

DIFFERENTIAL PRESSURE CONTROL TYPE MP

FUNCTION

Type MP 55 is a differential pressure control, used as a safety device on pressure lubricated refrigeration compressors, where under any operating conditions the lubricating oil pressure has to be kept at a higher pressure than the suction pressure or crankcase pressure.

The device is enclosed in a mild steel housing. All parts are rust proofed to ensure long life. The device includes an inbuilt time delay relay and has to be manually reset once the circuit is broken. The device has clearly read setting scale.

MP-55 differential Pressure Switches find applications in :

>>     Refrigeration Compressors



SPECIFICATIONS

Enclosure
:
 Mild Steel ( Zinc plated Chrome passivated )
Enclosure Protection
:
 IP:33, Dust proof
Sensing Element
:
 SS Bellows
Cable Entry
:
 Rubber Plug suitable for cables from 6 to 14 mm dia
Mounting
:
 Surface/Panel
Max Process Temp.
:
 100°C
Max Ambient Temp.
:
 -40 to 70°C
Switch Type
:
 1 SPDT
Switch Rating
:
 2 A 250 VAC, 0.2 A inductive 250 VDC
Time Delay Relay
:
 220 V AC/DC in case of MP-55/MP-55A, 110 V AC/DC in case of MP-55X
     
ORDERING TABLE  


TYPE
MODEL
RESET
REFRIGERANT
p RANGE (atmg)
SWITCH
DIFFERENTIAL
(atm)
MAX
PRESSURE
(atmg)
TIME
DELAY
CONNECTION SIZE
 DIFFERENTIAL  PRESSURE  CONTROL
 MP-55
Manual
CFC, HCFC, HFC
0.3 - 4.5
0.2 fixed
22
60 Sec.
¼" flare
 MP-55X
Manual
CFC, HCFC, HFC
 MP-55A
Manual
R717 (NH3)
3/8" BSP(M)
with weld nipple of 10mm dia

 
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