I serve {Wholesale} and {Manufacturers} who demand dependable control, and this {Diff Pressure Switch} fits that brief. Built for harsh industrial environments, it features a precise differential range, robust wetted parts in stainless steel, and a weatherproof housing. Electrical rating is 250 VAC with versatile N.O./N.C. configurations, and an easy dial for setpoints. The 1/4" NPT ports make installation quick, while IP65 protection keeps mud and dust out. For bulk orders, I offer competitive {Wholesale} pricing, flexible lead times, and customization options to match your line’s exact setpoints and terminals. This switch helps prevent overpressure and reduce cycling wear in pumps, compressors, and hydraulic systems, so downtime drops for {Manufacturers}. I back every order with clear QC, dependable after-sales support, and straightforward replacements. Tell me your MOQ and destination, and I’ll arrange fast shipment so your production keeps moving.
By 2025, differential pressure switches have evolved from simple sensors into smart, service-ready devices. They combine precise pressure sensing with modular construction, remote configuration, and diagnostics that keep plants running. For global buyers, uptime and lifecycle support matter as much as accuracy: quick calibration, fast replacement parts, and scalable solutions across sites reduce total cost of ownership. Cloud-connected status and predictive maintenance features let teams anticipate issues before they disrupt production. Industries from HVAC and water treatment to oil, gas and power rely on switches that tolerate corrosive media, endure harsh environments, and comply with international standards. The latest models offer multiple diaphragm materials, broad media compatibility, and configurable setpoints with tight tolerances, including explosion-proof variants. When paired with robust after-sales service and certified manufacturing, these devices help procurement teams balance risk and innovation, ensuring consistent performance across global operations.
| Model | Diff Pressure Range (kPa) | Adjustable Setpoint Range (kPa) | Accuracy (% FS) | Response Time (ms) | Sensor Type | Wetted Materials | Electrical Output | Pressure Connection | Operating Temperature (°C) | Ingress Protection | Certifications | Service Innovation Focus | MTBF (hours) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DPX-1000 | 2 - 12 | 2 - 12 | ±1.2% | 4 | MEMS | 316SS, PTFE | SPDT Relay, 24 V DC | 1/4" NPT | -20 to 85 | IP65 | CE, RoHS | Modular sensor head and remote diagnostics | 150,000 |
| DPX-1010 | 0.5 - 5 | 0.5 - 5 | ±1.0% | 3 | MEMS | 316SS, FPM | SPDT Relay, 24 V DC | 1/8" NPT | -10 to 65 | IP65 | CE, RoHS, UL | Tool-less cover; field-replaceable cartridge | 140,000 |
| DPX-2000 | 5 - 20 | 5 - 20 | ±0.8% | 2 | MEMS | 316SS, Viton | SPDT Relay, 24 V | 1/2" NPT | -20 to 80 | IP67 | CE, RoHS, ATEX | Predictive maintenance alerts; modular housing | 180,000 |
| DPX-3000 | 20 - 40 | 20 - 40 | ±0.5% | 1.5 | MEMS/Capacitive | 316SS, PTFE | Dual SPDT Relays | 1/2" NPT | -30 to 85 | IP67 | CE, RoHS, UL | Self-diagnostic; remote calibration | 210,000 |
| DPX-4000 | 40 - 80 | 40 - 80 | ±0.4% | 1 | MEMS-Capacitive | 316L, PEEK | Dual Relays + 4-20 mA | 1/2" NPT | -25 to 90 | IP68 | CE, RoHS, ATEX, IECEx | Self-diagnostic with NFC service tag | 230,000 |
| DPX-5000 | 0.2 - 1 | 0.2 - 1 | ±1.1% | 5 | MEMS | 316L, FKM | SPDT Relay, 24 V | 1/8" NPT | -25 to 70 | IP65 | CE, RoHS | Remote calibration via NFC | 130,000 |