Water Heater, Funace Low Pressure Switch

  • Model NO.: PS-LA2
  • Number of Switch: Double Control Switch
  • Usage: Control Switch
  • Explosion-proof Type: Flameproof
  • Contact Type: Type c Contact
  • Medium: Air , Products of Combustion, or Natural Gas
  • Max. Operating Pressure: 10mbar Pmax=50mbar.
  • Trademark: BINGO
  • Origin: Zhejiang, China
  • Type: Electronic
  • Structure: Power Built-in Type
  • Application: Home, Commercial, Industrial, Vehicles
  • Contact: Normally Open
  • Brand: Bingo
  • Field Adjustable Range: 0.4mbar ~ 8.0mbar (Positive /Negative Pressure Ran
  • Operating Temperature Range: Less Than105 Centigrade Degree
  • Transport Package: Neutral Export Carton
  • HS Code: 8536500000
1. Introduction:

PS-LA2  adopts a differential pressure to actuate a precision snap switch at chosen pressure setting. This may be the difference between atmospheric and a negative or positive pressure or between any two given pressures. When a change of pressure occurs between the negative pressure chamber and the positive pressure chamber the main diaphragm activates the snap switch at a pre-determined value.
It is manufactured from selected compound derivatives of polycarbonate & PBT offering exceptional thermal and dimensional stability at elevated temperatures up to 105°C when used in contaminated atmospheres of air, products of combustion, L.P. or natural gas. It has been designed to meet the low pressure, high temperature specifications of future generations of fanned gas and similar appliances where differential pressures form part of an integral control systems.

2. Technical Parameter: 
 
Media Air , products of combustion, L.P. or natural gas
Mounting /Fixing 4 screws with maximum penetration depth of 6.3mm into appropriate mounting holes, or fixed with optional bracket.
Mounting Position The LFAS is position sensitive. It may be mounted in most positions provided it has been calibrated.
Field Adjustable Range 0.4mbar to 8.0mbar make on positive or negative pressure rise. Minimum upper switching pressure 0.4mbar. Minimum lower switching pressure 0.2mbar.
Switch Differential Not less than 0.1mb and not greater than 0.3mb depending on pressure settings.
Maximum Operating Pressure 10mbar   Pmax=50mbar. 
Operating Temperature Range 105°C  Maximum
Electric Rating 125V,250V, 5A single pole on-off or single pole change over. Other ratings are available on request.
Contact Arrangement SPDT or SPST
Terminals 6.3 or 4.88 mm male Q.C. Optional insulation cover available as necessary.
Calibration
LFAS switches are normally calibrated at their lower switching pressure in accordance with customer requirements.
Ramp rate at switch point=0.03mb/second

Calibration Tolerance		 Standard production tolerance at ambient temperature is ± 0.10mb or ± 5% of set point, whichever is the greater.
Pressure Connections 6mm O.D. push on or "Permifix" tubing. The lower (negative) connector may be supplied in any one of four positions for ease of installation.

3.  Our service:
1). Delivery in time,delivery time is 7 days for sample and 15 working days for bulk order;
2). Strong production capacity and strict quality control system;
3). Your inquiry and problems related to our products or prices will be replied in 24 hours;
4). Well-trained and experienced staffs to answer all your inquires;
5). After-sale tracking service for all of our clients;
6). OEM is available; small quantities, mixed bulk orders are also welcome;
7). Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8). Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST.

4. Guarantee:

1).12 months warranty for most of our products;
2). We will arrange delivery of the goods on time;
3). Within the warranty period, we will bear all the quality problem of our products;
4). Beyond the warranty period, we will despatch the replacement parts to help fix the products, but the parts will be charged;
5). Without any problem, we will gain the feedbacks of our products to help improve better products.




If you need more information, please feel free to contact us: www.bingo-sensor.com
 

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