0800 731 3187 www.oem.co.uk
18
pressure and
vacuum switches
•Range from 0.5 - 5 Bar to 50 - 200 Bar
•Up to 600 Bar overpressure
•SPDT changeover contact
•Full stainless steel (1.4305) body
•Nitrile, EPDM, Viton seals
STAINLESS STEEL PRESSURE SWITCH WITH 4A RATED
CHANGEOVER CONTACTS AND BUILT IN CONNECTOR
Type
0184 -diaphragm
0185 -piston
ORDERING INFORMATION
Contact rating 4A
Maximum operation 200/min
Temperature NBR -30 to +100ºC
range EPDM -30 to +100ºC
FKM -5 to +120ºC
Maximum voltage 250VAC
Hysteresis adj. 10 to 30% (adjusted at factory)
Mechanical life:
Diaphragm type 106operations at pressure up to 50 Bar
Piston type 106operations
Body material Stainless steel (1.4305)
Protection IP65
SUCO Seal type Material Suitable for
1Nitrile (NBR) Hydraulic oil, engine oil, heating oil, turpentine, air
2EPDM Water, Hydrogen, Seawater, Acetylene, Ozone, Oxygen, Brake Fluid
3Viton (FKM) Hydraulic fluid (i.e. HFA, HFB, HFC, HFD), Gasoline
Type 0184 with diaphragm
45703 SS
45803 SS
45903 SS
46103 SS
1/4" BSP
1/4" BSP
1/4" BSP
1/4" BSP
0.5 - 5
1 - 10
10 - 50
10 - 100
±0.2
±0.5
±3.0
±3.0 - 5.0
300
Thread
type Adjustment range
(Bar) Tolerance at room temp
(Bar) Static
Overpressure (Bar)
Type 0185 with piston
46003 SS 1/4" BSP 50 - 200 ± 5.0 600
Normally 2
closed 4Normally
open
1
Common
CHANGEOVER
CONTACT DETAILS TECHNICAL SPECIFICATION
83 Pg 9
Ø34
40
50
AF 27
9Ø26
N.B Piston pressure switches are not suited for gaseous media, especially not for the use of oxygen.
▲
50 - 200 Bar range, being used with an EPDM piston seal would be as below.
TYPE SWITCH FUNCTION & THREAD SEAL INTERNAL USE ONLY
SETTING RANGE
Please note that all switches can be set & adjusted via the central turning screw. N.B. When using oxygen, the relating accident prevention regulations are to be
observed. Above that we recommend not to exceed a maximum operational pressure of 10 Bar.
SS2300645810
ORDER EXAMPLE
