Ueda Seisakusho
Ueda Seisakusho DPU72W Series Differential Pressure Switch

Manufacturer: Ueda Seisakusho Co., Ltd.
Model : DPU72W series
Features
- The DPU72W series is a waterproof differential pressure switch for indoor and outdoor installation.
- The switch body is made of aluminum die-casting, making it lightweight and sturdy.
- The standard controlled fluids are air, water, and oil (fluid temperatures of -10 to 90°C), etc.
- Stainless steel bellows are also available as an option for corrosive fluids, hot water, etc.
- Depending on the type of fluid, careful consideration is required, so please consult our sales staff for details.
Product Information
Item | Specification |
---|---|
Product Name | Outdoor waterproof differential pressure switch |
Size | W.86 x D.60 x H.161.5 mm |
Protection Structure | IP65 (IEC529) equivalent |
Durability | Electrical & Mechanical Life: 300,000 times or more |
Weight | Approx. 0.87 kg |
Pressure Receiving Part | Bellows Type |
Material | Phosphor Bronze |
Insulation Resistance | 100 MΩ or more with DC 500 V megger |
Dielectric Strength | AC 2,000 V for 1 minute |
Option
- Pressure receiving part made of stainless steel (SUS316)
- Low voltage and low current compatible products
- Compatible with various connection sizes
Specifications
Model | Pressure Adjustment Range (Range) MPa | ON-OFF Pressure Differential Range (Diff.) MPa | Pressure Resistance (MPa) |
---|---|---|---|
DPU72W-03-RC2-M | 0.02 ~ 0.3 | 0.015 +0.00 / -0.01 | 1.5 |
DPU72W-06-RC2-M | 0.03 ~ 0.6 | 0.015 +0.00 / -0.01 | 1.5 |
Model Code Explanation
(A) | 06 = Maximum pressure adjustment range: 0.6 MPa |
---|---|
(B) | RC2 = Rc 1/4 (PT 1/4 thread) R3 = R 3/8 (PT 3/8 thread) Note 1 F6 = ø6 mm copper tube flare fitting Note 1 |
(C) | No code = Bellows and cap: Phosphor bronze (standard product) S = Bellows and cap: Stainless steel (SUS316) |
(D) | No code = No indicator lamp (standard product) L9 = With indicator lamp (AC100/200V neon lamp) L92 = With indicator lamp (DC24V LED) |
(E) | M = With microswitch DCM = For low-voltage DC current applications |
- Note 1: Wetted-part materials are only applicable to phosphor bronze models.
Electrical Rating Table
Rated Voltage | Resistive Load |
---|---|
AC 125 V | 10 A |
AC 250 V | 10 A |