Control and measuring devices >> flow switch

RPI-40 Flow Switch RTR-40.


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Flow Switch RPI-40 (RPI40, RPI 40)
Flow Switch RPI-40 are designed to reduce the amount of signaling and control of the presence of visual flow of the fluid, non-aggressive to steel 08H17T, alloy painted with AK74, alloy 36NHTYU.
The relay is designed for operation in hazardous locations.
There are performance 0, I, II, III, IV.
Technical characteristics of the instrument flow switch RPI-40.
Orifice diameter - 40mm;
Temperature controlled liquid - from 0 º C to +100 ° C;
The viscosity-controlled flow switch device RPI-40 liquid - no more than 8 ∙ 10 -5 m 2 / s;
Pressure controlled liquid - no more 10kgs/sm 2;
Contact load flow switch device RPI-40:
- Voltage - no more than 250;
- Power - less than 30 V ∙ A;
- DC - 1 ∙ 10 -6 A to 1A;
- Alternating current - 0.15 A;
Setting range of settings, the performance of the instrument and a flow switch flow of RPI-40 are listed in Table 1;
Table 1 The range of settings, the performance of the instrument and the flow rate
The gain on the throttle
The set value
Flow rate, no more
0.05 H (5gs)
10.6 mm
diameter of 27mm
18.0 l / min
0.1 N (10gs)
diameter of 27mm
25.5 l / min
0.6 N (60gs)
diameter of 27mm
55.4 l / min
0.1 N (10gs)
diameter of 18mm
63.0 l / min
0.6 N (60gs)
diameter of 18mm
125.0 l / min
Ambient temperature - from -40 º C to +60 º C;
Relative humidity - no more than 80%;
The mass flow switch device RPI-40 - no more than 1.5 kg.

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