Parameter description: 85mm length PTFE liquid level switch with dual floating balls and dual liquid levels. Three wires, black, red, yellow, and a common black wire, for low and high liquid levels.
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The parameters of PTFE level switches may vary depending on different models, manufacturers, and application scenarios. Here are some common parameters:
 
1. Measurement range: The liquid level switch can effectively detect the upper and lower limits of the liquid level, ranging from a few millimeters to a few meters.
2. Working voltage: refers to the power supply voltage required for the normal operation of the liquid level switch, commonly including DC 12V, 24V, AC 220V, etc.
3. Switch types: There are usually two types: normally open (NO) and normally closed (NC). The normally open type opens the contact when the liquid level does not reach the set value, and closes when it reaches the set value; The normally closed type is the opposite.
4. Switch capacity: Refers to the maximum current and power that the liquid level switch can control, such as 5A, 10A, and corresponding power, such as 50W, 100W, etc.
5. Response time: Refers to the time required for the liquid level switch to respond and switch contact states when the liquid level changes. Generally measured in milliseconds (ms), the shorter the response time, the more sensitive the detection of liquid level changes.
6. Accuracy error: The allowable error range between the actual measured value of the liquid level switch and the true liquid level, usually expressed in units such as percentages or millimeters, such as ± 2mm, ± 5%, etc.
7. Repeatability: Under the same conditions, the consistency of the measurement results when the liquid level switch measures the same liquid level multiple times is generally expressed in percentages or millimeters.
8. Working temperature: The temperature range in which the liquid level switch can operate normally, such as -20 ℃ to+80 ℃.
9. Working pressure: The liquid pressure that the level switch can withstand, usually measured in kilograms of force per square centimeter (kg/cm ²) or pascals (Pa), such as withstand pressures of 5kg/cm ² and 20kg/cm ².
10. Material: In addition to Teflon (polytetrafluoroethylene) used for parts in contact with liquids, it also includes materials such as stainless steel, plastic, etc. for the shell, connecting components, etc., to adapt to different working environments and medium characteristics.
11. Protection level: It indicates the dustproof and waterproof capabilities of the liquid level switch. Common protection levels include IP65, IP67, etc. The higher the number, the better the protection performance.
12. Probe length: For immersion level switches, the length of the probe inserted into the liquid needs to be selected according to the specific installation position and liquid level measurement requirements.
13. Connection methods: such as threaded connection (common specifications include M10, M16, NPT, etc.), flange connection, welding, etc., to ensure reliable connection between the liquid level switch and the container or pipeline.
14. Output signal: Some level switches may output analog signals (such as 4-20mA) or digital signals (such as relay outputs, communication protocol outputs, etc.) for integration and communication with other control systems or devices.

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Continuously improving the quality of services and keeping improving, "sincere service" is the eternal theme of KUNAG. Kunag strictly complies with the requirements of ISO9001-2000 quality system certification, strictly controls the quality and responsibilities to the people to ensure the healthy operation of production, sales and service. To strengthen communication with customers and to provide our customers with quality products and perfect service, we hereby make the following commitments:
Product Standards
Products are designed, manufactured, and inspected strictly in accordance with China\'s GB, HG standards, and US API standards. The hardness of the sealing surface meets the national requirements and the width exceeds the national standard.
pre-sale service
Product introduction, technical communication, non-standard product design, troubleshooting.
Sale service
Trustworthy contracts, guarantee timely delivery, and keep in touch with customers at any time.
For special or complex products, our factory arranges technicians to train and guide users on product use, troubleshooting, tuning and maintenance.
After sales service
The warranty period of Weitong products is 12 months from the factory, and the "three guarantees" service (return, replacement, repair) is implemented.
During the use of our products, our factory regularly organizes technical and inspection personnel to visit and solicit user feedback on product quality, use conditions, and improvement opinions in order to further improve product quality.
Quickly respond to customer complaints about product quality problems, and after-sales service personnel rushed to the scene within 24-36 hours (48 hours outside the province).
For after-sales service, users are required to fill in the quality feedback form after the service and make appraisal opinions, while improving Guardian\'s service quality.

Order process
Landline: 021-59718851 (AM-8: 30 to PM-17: 30)
Mobile phone: 18918462396 (WeChat same number 24-hour service)

QQ: 2030185432

Email: kunage@126.com
Receive customer purchase list, provide customers with valve model selection and quotation (price list).
Specific agreement: delivery time, special requirements, etc.
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Customers have special requirements for products, and must provide the following instructions in the order contract:
(1) Structure length;
(2) Connection form;
(3) Nominal diameter, full diameter, reduced diameter, pipe size;
(4) Operating medium, temperature and pressure range;
(5) Experiment, inspection standards and other requirements;
(6) Various driving devices can be configured in this field according to the special requirements of customers;
If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract under the conditions that the supply and demand sides understand and agree.

Contact: Peng gong
Q Q: 2030185432
Mobile: 18918462396(WeChat same number - 24 hours service)
Landline: 021-59718851
E-mail :kunage@126.com