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- Contact Person : Mr. Zhang Alvin
- Company Name : ACOL (Shanghai) Online Controls Co., Ltd.
- Tel : 86-21-51695568,13918438468
- Fax : 86-21-51695578
- Address : Shanghai,Shanghai,No. 405, Lane128, Fengxiang Road,Baoshan Area, Shanghai, China
- Country/Region : China
- Zip : 200444
Differential Pressure Flow Switch
Related Product Searches:Differential Pressure Flow Switch,High Quality,Differential Pressure Flow Switch, differential pressure switch,WFS11
The set point could be calibrated directly by professionals according to customer's requirement, and printed on the la-
bel, user no need to adjust again in the field. OEM customers could calibrate by specialized instrument according to re-
quirement, and ACOL provides relevant service.
It depends upon two opposing diaphragms to sense pressure on the “High” and “Low” pressure outputs of a system.
The resulting pressure differential is transmitted through a linkage to a snapaction electrical switch, providing an outp-ut when a pre-set difference is exceeded.
Specification:
| Storage temperature: | -29°C~82°C |
| Ambient temperature: | -20°C~71°C |
| Media temperature range: | -20°C~93°C |
| Pressure connection: | 1/4" SAE(7/16" –20UNF)G , G1/4(1/4"NPT )etc for optional |
| Max. static pressure: | 10/16/20 bar |
| Max. pressure difference: | 10bar |
| Set point repeatability: | ±1% |
| Output mode: | one SPDT dry contact output, terminal block wiring |
| Switch: | 3A (max) 125/250VAC |
Nomenclature:
| WFS1 | 1 | 030 | A | A | 3A | B | O | N | Specification |
| WFS1 | WFS 11 Differential pressure switch with one adjustable setpoint | ||||||||
| 1 | one set point | ||||||||
| 030 | Differential pressure: Max.setting range:Unit:kPa | ||||||||
| ... | ... | ||||||||
| A | High pressure:7/16'' UNF male thread(1/4'' SAE) | ||||||||
| B | High pressure:1/4'' UPT male thread(1/4'' SAE) | ||||||||
| A | Low pressure:7/16'' UNF male thread(1/4'' SAE) | ||||||||
| B | Low pressure:1/4'' UPT male thread(1/4'' SAE) | ||||||||
| 3A | terminal block connection,the letter indicates power supply of indicator light A: no indicator lamp B.outside lead-in | ||||||||
| B | Black( factory recommend) | ||||||||
| L | blue( need large Qty) | ||||||||
| K | custom-made | ||||||||
| O | cavity material:H59brass | ||||||||
| 2 | cavity material:stainless steel | ||||||||
| N | diagram material, NBR, apply to water,air,oil |
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