LQY Series IP54 Liquid Flow Switch with 120℃ Temperature Rating and 1MPa Pressure for HVAC Systems
Price:
Negotiable
MOQ:
10
Delivery Time:
7days
Brand:
Keramcontrols
Product Description
LQY Series Liquid Flow Switch Overview
LQY series liquid flow switches are designed for monitoring flow changes in industrial piping systems including heating, air conditioning, refrigeration systems, and heat pumps.
Key Features
- Renovated SPDT micro-switch ensures reliable switching function
- Maximum medium temperature: 120℃
- Liquid pressure up to 1MPa (13.5 Bar)
- 3 stainless steel blades for 25-75mm pipelines
- 6 additional blades for 100-150mm pipes
- IP54 protection rating
- Electrical loading: AC250V 10A
- CE approved
- Various connection types available on request
Technical Specifications
| Parameter | Specification |
|---|---|
| Type of Operation | On/Off, single-stage, micro switch |
| Output | SPDT 15(8A) 24/250VAC |
| 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 Range | -10℃ to 120℃ |
| Ambient Temperature Range | -20℃ to 85℃ |
| Ambient Humidity | 10-90% RH, non-condensing |
| Cable Entry | M18 Fitting |
| Housing Material | Fire Resistance ABS or PC |
| Protection Rating | IP54 |
| Color | White |
| Weight | 1.0Kg |
Product Dimensions
Internal Structure
Liquid Flow Rate Table
| Line Pipe Size (in.) | 1 | 1-¼ | 1-½ | 2 | 2-½ | 3 | 4 | 5 | 6 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|
| Min. 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 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 Guidelines
- Direction of the arrow on the cylinder should align with pipe flow direction
- Install in horizontal pipeline with vertical orientation
- Absolutely prevent backflow to avoid blade fracture
Contact Function Diagram
Paddle Trimming Instructions
Important Notice
- Factory-installed blades marked with (*)
- Additional blades (not installed) marked with (△)
- After trimming, ensure top of blade has no friction with wall and bottom maintains 5-10mm gap
Model Specifications
| 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 |
Frequently Asked Questions
What's the delivery time?
According to the specification and quantity of your order, generally 4 days for normal standard products within 10pcs.
Are you manufacturer or trading company?
We are manufacturer with many years of experience. We have our own factory. Welcome to visit our factory.
Can we use our logo on the products?
Yes. We can provide OEM service.
Do you have products with ex-proof certificate?
Yes, we can offer intrinsic-safety and flame proof certificates.
What is the warranty of your products?
Normal is 12 months.
What's the means of transport?
Express such as TNT, Fedex, DHL, UPS, or logistics by indicator.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Location
Room 402, Block A, Building 12#, LianDong U Valley, No. 1 Qingnian Road, Yuhuatai District, Nanjing City, Jiangsu Province, China, 210039
Contact Person
James