CE Heating IP54 Liquid Flow Switches Single Stage
Description
LQY Series Liquid Flow Switch.
OEM IP65 Brass 250V 8A Liquid Flow Switches For Heating, Air Conditioning.
LQY series liquid flow paddle switch, suited for pipes of industrial plants: heating and air conditioning, refrigeration systems and heat pumps. Flow control of water and normal media.
Feature
- LQY series liquid flow switch is used to monitor the flow change
- Renovated SPDT micro-switch ensure the reliable switch function
- Max temperature of medium 120℃
- Liquid pressure up to 1Mpa
- 3 stainless steel blades for diameter of 25-75mm pipeline
- 6 additional blades for 100-150mm pipe
- Protection type IP54
- Various connections are available on request
- Max working pressure 13.5Bar
- Electrical loading AC250V 10A
- CE approval
Technical Data
| Type of operation | On/Off,single-stage,micro switch |
| Output | SPDT 15(8A) 24/250VAC |
| Flow rates | See flow rate table |
| Flow rate setting adjustment | Internal screw |
| Sensing element | Paddle |
| Liquid applications | Hot, chilled, well, pool and sea water,Brine or ethylene glycol |
| Parts material in contact with fluid | Brass |
| Paddle material | Stainless steel |
| Liquid temperature | -10℃~120℃ |
| Permissible ambient temperature | -20℃~85℃ |
| Permissible ambient humidity | 10…90% RH, non-condensing |
| Cable entry | M18 Fitting |
| Housing | Fire Resistance ABS or PC |
| Protection | IP54 |
| Color | White |
| Weight | 1.0Kg |
Dimensions (mm)
Structure
Liquid Flow Rate Table
| Line Pipe Size(in.) | 1 | 1-¼ | 1-½ | 2 | 2-½ | 3 | 4 | 5 | 6 | 8 |
| Min.flow | Flow Increase R to Y | 1.0 | 1.3 | 1.7 | 3.1 | 4.1 | 6.2 | 8.4 | 12.9 | 16.8 | 46.6 |
| Flow Decrease R to B closes | 0.6 | 01 | 1.1 | 2.2 | 2.8 | 4.3 | 6.1 | 9.3 | 12.3 | 38.6 |
| Max.flow | Flow increase R to Y closes | 2.0 | 3.0 | 4.4 | 6.6 | 7.8 | 12.0 | 18.4 | 26.8 | 32.7 | 94.2 |
| Flow decrease R to B closes | 1.9 | 2.8 | 4.1 | 6.1 | 7.3 | 11.4 | 17.3 | 25.2 | 30.7 | 90.8 |
Installation
Direction of the arrow on the cylinder should be in line with the pipe flow;
Water flow switch should be installed in a horizonal pipeline,it must be installed in a vertical direction;
Flow switch in use is absolutely not permit to flow back to avoid the blade back into the fracture.
Contact Function
Trimming of the Paddle
Notice
With (* ) leaves for the factory is installed;
With ( △) for additional blades (not installed);
After the leaves trimmed to install. its top of the wall shall not have any triction with the wall and the bottom 5-10 mm gap.
Model Specification
| Model | Connection | Notes |
| LQY50P | 1’’-11 1/2NPT | Plastic Case |
| LQY50P-1 | 1’’-11 1/2NPT |
| LQY50P-2 | 1/2’’-14 NPT |
| LQY50P-3 | 3/4’’-14NPT |
FAQ
1 Q: What's the delivery time?
A: According to the specification and quantity of your order, generally 4
days for normal standard products within 10pcs.
2 Q:Are you manufacturer or trading company?
A: We are manufacturer with many years of experience.We have our
own factory.Welcome to visit our factory.
3 Q: Can we use our logo on the products?
A: Yes.We can provide OEM service.
4 Q: Do you have products with ex-proof certificate?
A: Yes,we can offer intrinsic-safety and flame proof certificates.
5 Q: What is the warranty of your products?
A: Normal is 12 months.
6 Q: What's the means of transport?
A: Express such as TNT,Fedex,DHL,UPS, or logistics by indicator.
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