malema.com
Specifications
04
Construction Materials
Reed Switch Replacement
For reed Switch replacement
1. Loosen allen set screws (4-40) on face of body.
2. Remove and replace reed switch if needed.
3.
Normally Open
Move switch downward until switch closes then move upward until switch opens. Very gently retighten allen screws.
Normally Closed
Move switch downward until it closes then move upward very slightly maintaining a closed contact. Very gently retighten
allen screws.
4. If possible cycle unit on and off to test. if unit is not installed, turning upside down will simulate the flow.
Housing
Acrylic
Aluminium
Brass
316SS
PTFE
Piston
316SS
PTFE
Orifice Plate or disc
316SS
PTFE
Spring
316SS
N/A
Retaining Ring
Stainless Steel (PH 15-7 MO, AMS 5520, AISI-632)
(Passivated)
PTFE
Pressure and Temperature
Specifications
Maximum Operating (psig)
Burst (psig)
Maximum Operating Temperature
200
400
77°C (170°F)
1,000
3,000
149°C (300°F)
1,500
3,000
149 C (300
o
F)
3,000
5,000
149 C
(300
o
F)
80
160
104 C (220
o
F)
Flow calibration
Set point Accuracy
Set point Differential( Deadband )
Repeatability
( Higher accuracy units available )
10% maximum
15%
± 2 maximum
Reed Switch Data
(Electrical Ratings)
Reed Switch
Switching Voltage
Breakdown Voltage
DC Resistive
AC Resistive
Switching Current
10 Watts SPST or 3 Watts SPDT (Hermetically Sealed)
UL Recognized. File E47258
Operating temperature -40°C to 125°C
200 VDC ( 170 VDC for SPDT )
250 VDC ( 200 VDC for SPDT )
10 VA (3 VA for SPDT )
10 Watts (3 Watts for SPDT )
0.5 A ( 0.25 A for SPDT )
1.2 A ( 0.5 A for SPDT )
Lead Wires
No 24 to 18 AWG. 18” length, Polymeric UL Recognized
( Belden cable or special shielded cable is available )
Lead Wires Color
SPST: 2 blue wires
SPDT: Green - Common, Yellow - Normally Closed,
Orange - Normally Open