The unique electric switch design in the Series 1640 Floating Contact Null Switch for High and Low Actuation is another Dwyer Instruments, LLC innovation. The Dwyer® Model 1640 Differential Pressure Switch resembles the high precision large diaphragm Series 1630 switches. However, the Model 1640 is equipped with a single pole, double throw floating contact switch (not snap acting) so it functions as a null switch.
As the diaphragm moves in response to pressure changes, it moves the floating contact to cause switching action at two preset points with no switching action between these points. The “high” circuit will be closed when rising pressure differential reaches the preset level. The “low” circuit will be closed when falling pressure differential reaches the preset level.
Made in USA. brand DWYER, model 1640
International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.
Retail price from $910
Available
Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.
Only the best I&C brands
Our company is a UAE supplier of control and measuring instruments from well-known world brands
Discounts for organisations
We sell high-tech equipment at best prices. We provide really advantageous conditions for partners
Fast delivery across the Middle East
Supply to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Bahrain, Oman and other countries
Professional advice on device selection
Our specialists are ready to advise you on any technical question. We can find an analogue of any device
CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.
PRODUCT APPLICATIONS
FEATURES
OPTIONS
| Model | Description | Availability | Price | Qty | Buy |
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| 1640-0 | Floating contact null switch, range .01-0.2" w.c., adj. null span, .01 min. set, .03 max. Set. | Delivery time from 12 weeks | from 910$ |
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| 1640-1 | Floating contact null switch, range 0.2-1.0" w.c., adj. null span, .02 min. set, .06 max. Set. | Delivery time from 12 weeks | from 910$ |
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| 1640-10 | Floating contact null switch, range 3.0-12.0" w.c., adj. null span, .04 min. set, .20 max. Set. | Delivery time from 12 weeks | from 910$ |
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| 1640-2 | Floating contact null switch, range 1.0-4.0" w.c., adj. null span, .03 min. set, .12 max. Set. | Delivery time from 12 weeks | from 910$ |
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| 1640-5 | Floating contact null switch, range 2.0-6.0" w.c., adj. null span, .03 min. set, .18 max. Set. | Delivery time from 12 weeks | from 910$ |
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You can request the necessary certificates, documentation, instructions and user guide for DWYER 1640 using the special form.
You can buy DWYER 1640 in UAE at a price starting from 910 $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email rop@texairmeasure.ae. DWYER 1640 price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.
See also: Pressure Switches
