Piston Mechanical Pressure Switch NT20 series
- Brand：NOIKE-AH
- Model：NT20
Specification
Mechanical Pressure Switch NT20
Product Overview
The Mechanical Pressure Switch NT20 is designed for accurate and reliable pressure monitoring in industrial systems. Featuring a compact piston-and-spring structure, the switch provides dependable pressure control across a wide pressure range of 0 to 400 bar.
The built-in precision mechanical mechanism delivers excellent repeatability, high overload capacity, and long service life. Equipped with gold-plated electrical contacts and a DIN standard electrical connector, the switch offers stable electrical performance and convenient installation.
Suitable for pressure monitoring of water, oil, and gas, this pressure switch is widely used in hydraulic systems, pneumatic equipment, industrial automation, pumps, compressors, and OEM machinery.
Operating Principle
The Mechanical Pressure Switch NT20 incorporates a built-in piston connected to a precision spring.
As system pressure changes, the piston moves accordingly, causing the spring to compress or expand. When the pressure reaches the preset switching point, the internal mechanical mechanism is actuated, generating a switching signal to open or close the electrical circuit.
This purely mechanical operating principle ensures reliable switching performance without requiring electronic sensing components.
Product Features
- Compact mechanical structure
- Precision piston and spring mechanism
- Wide pressure measurement range: 0–400 bar
- High overload capability up to 1230 bar
- Excellent switching repeatability
- Gold-plated electrical contacts
- Available with Normally Open (NO) or Normally Closed (NC) contacts
- Large contact capacity
- DIN standard electrical plug for easy wiring
- High reliability for industrial applications
- Suitable for water, oil, and gas pressure monitoring
- IP65 protection rating
Applicable Media
The Mechanical Pressure Switch NT20 is suitable for measuring the pressure of:
- Water
- Oil
- Gas
Product Applications
The Mechanical Pressure Switch NT20 is widely used in:
- Hydraulic systems
- Pneumatic systems
- Water treatment equipment
- Industrial automation
- Air compressors
- Pumps
- Process control
- Manufacturing machinery
- OEM equipment
- General industrial pressure monitoring
Technical Specifications
Measurement Performance
| Parameter | Specification |
|---|---|
| Measurement Range | Refer to the selection table (Up to 0–400 bar) |
| Switching Accuracy | ±3% of Set Value |
| Switching Differential (Hysteresis) | 10–20% of Set Value (Optional: 25–35% or 1–5%) |
Electrical Output
| Parameter | Specification |
|---|---|
| Contact Type | Gold-Plated Normally Open (NO) / Normally Closed (NC) Contacts |
Contact Ratings
| Voltage | Maximum Current |
|---|---|
| ≤ DC 42 V | 1 A |
| ≤ DC 115 V | 0.15 A |
| ≤ AC 42 V | 3 A |
| ≤ AC 125 V | 3 A |
| ≤ AC 250 V | 0.5 A |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Standard Medium Temperature | -20°C to 85°C |
| Optional Medium Temperature | -40°C to 160°C |
| Protection Rating | IP65 |
Electrical Connection
| Parameter | Specification |
|---|---|
| Wiring Method | Terminal Wiring |
| Connector Type | DIN Standard Plug |
Materials
| Component | Material |
|---|---|
| Diaphragm (≤12 bar Models) | NBR |
| Piston (>12 bar Models) | Steel Piston with NBR Seal |
| Process Connection | Galvanized Steel |
| Housing | Engineering Plastic |
Wiring Diagram
Size chart
Product Advantages
The Mechanical Pressure Switch NT20 combines a precision piston mechanism, high overload resistance, and gold-plated switching contacts to provide dependable pressure control in demanding industrial environments. Its compact design, wide pressure range, convenient DIN connector, and robust construction make it an excellent choice for hydraulic, pneumatic, water, oil, and gas applications.
Typical Applications
The Mechanical Pressure Switch NT20 is commonly installed in:
- Hydraulic power units
- Pneumatic equipment
- Water supply systems
- Oil pressure monitoring systems
- Gas pressure control systems
- Industrial pumps
- Air compressors
- Manufacturing equipment
- Process automation systems
- OEM machinery
Frequently Asked Questions (FAQ)
How does the Mechanical Pressure Switch NT20 work?
The switch uses a precision piston and spring mechanism. As pressure changes, the piston moves and compresses or releases the spring. Once the preset pressure is reached, the internal mechanism actuates the electrical contacts to generate a switching signal.
What is the maximum pressure range?
The Mechanical Pressure Switch supports measurement ranges up to 400 bar. Please refer to the product selection table for available pressure ranges.
What media can the switch monitor?
The switch is designed for:
- Water
- Oil
- Gas
What electrical contact options are available?
The switch provides gold-plated Normally Open (NO) and Normally Closed (NC) contact configurations, depending on application requirements.
What protection level does the switch provide?
The Mechanical Pressure Switch NT20 is rated IP65, making it suitable for use in demanding industrial environments.
Why Choose the Mechanical Pressure Switch?
The Mechanical Pressure Switch NT20 is engineered for reliable pressure monitoring and control across a wide range of industrial applications. With its precision piston-and-spring mechanism, pressure capability up to 400 bar, high overload resistance, gold-plated electrical contacts, DIN standard connection, and IP65 protection, it provides dependable performance for hydraulic systems, pneumatic equipment, pumps, compressors, and general industrial pressure control.
Table of Contents
Talk With Us
- [email protected]
- +86 180 5512 0225
- +86(0551)-65501008
- Address: 206, Block B, No. 2 Tianda Road, High-tech Zone, Hefei City, Anhui Province, China
- We will respond to you within five minutes.
