PRODUCTS

PRESSURE CONTROL TYPE MP

FUNCTION

Type MP is a Single Pole double throw (SPDT) pressure control for stopping and starting small refrigeration compressors using CFC, HCFC, HFC, and R717 refrigerants. These switches are available in Low pressure, High pressure and Combined High/Low pressure versions.

The construction is simple and sturdy. The device is enclosed in a dust proofed mild steel casing and all parts are rust proofed for long life. Starting and stopping pressures can be set independently and the device has clearly read setting scale for reference.

MP series Pressure Switches find applications in

>>    Refrigeration Compressors
>>    Air Conditioning Compressors



SPECIFICATIONS

Enclosure
:
 Mild Steel (Zinc plated Chrome passivated.)
Enclosure Protection
:
 IP 33, Dust Proof
Sensing Element
:
 Phosphor Bronze bellows (Stainless Steel bellows for ammonia)
Max Process Temp.
:
 90°C
Max Ambient Temp.
:
 -40 to 70°C
Switch Type
:
 1 SPDT
Switch Rating
:
 10 A resistive 6 A inductive 380 VAC, 0.2 A inductive 250 VDC
     
ORDERING TABLE   


      TYPE      
 MODEL   
  RESET
 REFRIGERANT
PRESSURE RANGE
DIFFERENTIAL
MAX
PRESSURE
(atmg)
FUNCTION
ON
PRESSURE
INCREASE
CONNECTION
SIZE
LOW STARTING
HIGH STOPPING
(atmg)
LOW PRESSURE
(atm)
HIGH
PRESSURE
(atm)
  LOW
  PRESSURE
  CONTROL
 MP-1
Auto
CFC, HCFC, HFC
30 cm Hg
to 7 atmg
-
0.6 to 6
-
16
Starts
1/4" flare
 MP-1R
Manual
CFC, HCFC, HFC
30 cm Hg
to 7 atmg
-
0.6 (Fixed)
-
16
Starts
1/4" flare
 MP-1A
Auto
R717 (NH3)
30 cm Hg
to 7 atmg
-
0.6 to 6
-
16
Starts
Steel
Capillary tube
 MP-1AR
Manual
R 717 (NH3)
30 cm Hg
to 7 atmg
-
0.6 (Fixed)
-
16
Starts
Steel
Capillary tube
  HIGH
  PRESSURE
  CONTROL
 MP-5
Auto
CFC, HCFC, HFC
-
6 to 30
-
3 to 8
32
Stops
1/4" flare
 MP-5A
Auto
R 717 (NH3)
-
6 to 22
-
2 to 8
32
Stops
Steel
Capillary tube
 MP-5R
Manual
CFC, HCFC, HFC
-
6 to 30
-
3 (Fixed)
32
Stops
1/4" flare
 MP-5AR
Manual
R 717 (NH3)
-
6 to 22
-
2 (Fixed)
32
Stops
Steel
Capillary tube
  COMBINED   HIGH AND
  LOW
  PRESSURE
  CONTROL
 MP-15
Auto
CFC, HCFC, HFC
30 cm Hg
to 7 atmg
8 to 30
0.6 to 6
4 (Fixed)
16 for
low
pressure
side

32 for
high
pressure
side
Low
Pressure
starts

High
Pressure
stops
1/4" flare
 MP-15A
Auto
R 717 (NH3)
30 cm Hg
to 7 atmg
8 to 22
0.6 to 6
3 (Fixed)
Steel
Capillary tube
 MP-15R
Manual
CFC, HCFC, HFC
30 cm Hg
to 7 atmg
8 to 30
0.6 to 6
4 (Fixed)
1/4" flare
 MP-5AR
Manual
R 717 (NH3)
30 cm Hg
to 7 atmg
8 to 22
0.6 to 6
3 (Fixed)
Steel
Capillary tube


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