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Top worx TXP-P21GNPM161 - 21mm PNP Inductive Sensor - Industrial Stainless Steel IP67 - Proximity Switch
| MOQ: | 1 |
| Price: | USD 100-10000/Piece |
| Standard Packaging: | 50*50*50mm |
| Delivery Period: | 3-7 |
| Payment Method: | T/T |
| Supply Capacity: | 1/piece in stock |
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| Attribute | Value |
|---|---|
| Power Source | Battery |
| Max Torque | 200 ft-lbs |
| Battery Capacity | 2.0 Ah |
| Battery Type | Lithium-ion |
| No Load Speed | 0-2,800 RPM |
| Weight | 2.5 lbs |
| Material | Aluminum |
| Battery Voltage | 18 volts |
The Topworx TXP-P21GNPM161 is a high-precision, non-contact valve position sensor engineered for industrial automation systems requiring reliable feedback in extreme operational environments. Constructed with a corrosion-resistant 316L stainless steel housing (IP68/IP69K-rated), this sensor excels in harsh conditions, including exposure to moisture, dust, high-pressure washdowns, and temperatures from -40°C to +100°C.
Leveraging advanced Hall Effect sensing technology, it detects valve positions (open/closed or intermediate states) without mechanical contact, ensuring long-term accuracy and zero maintenance. Compatible with ball, butterfly, and gate valves, the TXP-P21GNPM161 is tailored for oil and gas, chemical processing, water treatment, and power generation industries.
- Output Signal: Dual NPN/PNP proximity switches (sinking/sourcing, 300 mA)
- Supply Voltage: 12-36V DC (universal input)
- Enclosure Rating: IP68/IP69K, NEMA 6P
- Housing Material: 316L stainless steel with PEEK sensing face
- Operating Temperature: -40°C to +100°C
- Connection Type: M16x1.5 quick-disconnect connector with shielded cable
- Certifications: ATEX/IECEx (Zone 0/20), SIL 3 compliance
- Sensing Range: Adjustable via magnetic cam (up to 15 mm)
The TXP-P21GNPM161 is deployed in oil and gas pipelines to monitor valve positions in explosive atmospheres, ensuring leak-proof fluid control in offshore platforms and refineries. In chemical plants, it provides critical feedback for valves handling aggressive acids, alkalis, or high-purity gases.
Water treatment facilities use it to track large-diameter gate valves in high-humidity pumping stations, while nuclear power plants rely on it for safety-critical steam valve monitoring. Its ATEX/IECEx Zone 0/20 certification makes it ideal for submerged or dust-laden environments, such as mining conveyors and grain silos. Additionally, it supports pharmaceutical cleanrooms and food processing systems requiring hygienic, washdown-ready solutions.
- Non-Contact Sensing: Hall Effect technology eliminates mechanical wear, enabling maintenance-free operation
- Extreme Durability: 316L stainless steel and PEEK components resist corrosion, UV radiation, and chemical abrasion
- Flexible Integration: Dual NPN/PNP outputs and M16 connector simplify integration with PLCs, DCS, and IoT platforms
- Safety Compliance: ATEX/IECEx Zone 0/20 and SIL 3 certifications for ultra-hazardous environments
- Field Adjustability: Tool-free magnetic cam and multi-turn potentiometer enable rapid calibration for complex valve geometries
| Category | Specification |
|---|---|
| Product Type | Advanced Valve Position Transmitter with Digital Feedback |
| Model | TXP-P21GNPM161 |
| Voltage Supply | 12-30V DC (universal), 24V AC/DC (configurable) |
| Current Consumption | ≤ 0.8A (operational), ≤ 2.5A (inrush) |
| Output Signals | 4-20mA analog, HART 7/Foundation Fieldbus, Dual SPDT relays (10A @ 250V AC) |
| Enclosure Material | 316L Stainless Steel with PTFE coating (NEMA 6P / IP69K rated) |
| Operating Temperature | -50°C to +100°C (-58°F to +212°F) |
| Hazardous Area Cert. | ATEX, IECEx (Zone 0/1, 21/22), SIL 3 (IEC 61508) |
| Ingress Protection | IP69K (high-pressure steam/jet wash resistant) |
| Sensing Technology | Non-contact Hall Effect Sensors (wear-free, ±0.5° accuracy) |
| Adjustability | Programmable via HART/Fieldbus; mechanical cam adjustment for fail-safe positions |
| Mounting | Direct to valve stems (90°-180° rotation) or actuator shafts |
| Compatibility | Ball valves, butterfly valves, multi-turn actuators (ISO 5211 mounting) |
| Electrical Connections | M20 × 1.5 stainless steel glands; DIN 43650 Form C terminals |
| Communication Protocols | HART 7, Foundation Fieldbus, Modbus RTU (optional) |
| Certifications | ATEX, IECEx, SIL 3, CE, UL/cUL Class I Div 1, API 607, RoHS |
| Weight | ~1.5 kg (3.3 lbs) |
| Mechanical Lifespan | ≥ 5 million cycles (no load), ≥ 1 million cycles (rated load) |
| Warranty | 3-year standard warranty (extended options available) |
Xiamen ZhiCheng Automation Technology Co., Ltd is a leading global supplier of control system components. We specialize in control systems and drives.
More about us, you can view our official website: www.zcsensors.com
With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts which make sure that all jobs are perfectly.
We are major in PLC, Sensors, HIM, Transmitters.
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