From our China-based factory, I’m delivering a dependable Differential Pressure Switch designed for pump protection, filtration, and HVAC systems. We are a Manufacturer dedicated to quality and steady supply for B2B buyers. You’ll appreciate the robust diaphragm design, adjustable setpoints, and rapid response under harsh conditions. This switch features precise differential range, bellows/diaphragm, electrical ratings suitable for 24V to 240V, IP65 sealed bodies, and easy mounting. We offer customization in pressure ranges, electrical terminations, and connector options to fit your line. As a China market Manufacturer, we ship quickly, support QA, and provide documentation like certificates and test reports. If you’re sourcing a reliable control device for safety interlocks or level controls, I think this Differential Pressure Switch will meet your needs. Contact me for samples, pricing, and lead times.
Global buyers seeking differential pressure switches expect precision engineering and scalable manufacturing. A leading supplier offers a wide product family—from low to high pressure ranges, multiple process connections, and diverse wetted materials—so installations across HVAC, filtration, and industrial processes can be standardized. Rigorous testing for pressure, leak, temperature, and vibration, along with traceable calibration data and compliance with CE, UL, and ATEX/IECEx, reduce risk and speed deployment. Beyond specs, reliable supply matters as much as price. Top manufacturers support global procurement with long-term spare parts, scalable output, and flexible lead times, plus customization for setpoints, hysteresis, electrical ratings, and diagnostics. They provide complete documentation and strong after‑sales support, ensuring steady performance and easy integration with control systems. In a competitive market, technical excellence paired with global logistics makes the switch to a trusted differential pressure solution compelling.
| Model | Description | Differential Range (kPa) | Setpoint Range (kPa) | Hysteresis (kPa) | Max Working Pressure (bar) | Electrical Rating (VAC) | Contact Configuration | Process Connection | Temperature Range (°C) | Wetted Materials | Certifications | Response Time (ms) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DPX-01A | Compact differential pressure switch for air and non-corrosive gases | 0.5–4 | 0.8–3.5 | 0.2 | 2 | 125 VAC, 3 A | SPDT | 1/4" NPT | -20 to 85 | Body: 304SS; Wetted: 316SS; Seals: Viton | CE, UL | 8 | 180 |
| DPX-01B | High-precision DP switch for tight control | 1–10 | 1–9 | 0.3 | 4 | 250 VAC, 5 A | SPDT | 1/4" NPT | -10 to 90 | Body: 304SS; Wetted: 316SS; Seals: Viton | CE, UL, RoHS | 6 | 210 |
| DPX-02A | General purpose DP switch for air and non-corrosive liquids | 2–20 | 3–18 | 0.5 | 6 | 250 VAC, 3 A | SPDT | 1/2" NPT | -20 to 100 | Body: 316SS; Wetted: 316SS; Seals: Viton | CE, UL, RoHS | 5 | 320 |
| DPX-03A | High-flow DP switch for process lines | 5–50 | 8–45 | 2 | 15 | 250 VAC, 6 A | SPDT | 1/2" NPT | -20 to 120 | Body: 304SS; Wetted: 316SS; Seals: Viton | CE, UL | 4 | 430 |
| DPX-04A | Industrial DP switch with wider port and rugged housing | 10–100 | 12–90 | 5–15 | 30 | 250 VAC, 6 A | SPDT | 1" NPT | -30 to 125 | Body: 316SS; Wetted: 316SS; Seals: Viton | CE, UL, RoHS | 3 | 620 |
| DPX-05A | Heavy-duty DP switch for high differential ranges | 20–200 | 25–180 | 8–20 | 60 | 250 VAC, 10 A | SPDT | 1" NPT | -40 to 125 | Body: 316SS; Wetted: 316SS; Seals: Kalrez | CE, UL, RoHS | 2 | 900 |