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PBU SERIES

High Pressure
Diaphragm Solenoid Valve

A pilot operated diaphragm valve built for high-pressure air service — where the standard PCN/PBN platform tops out around 12 Bar, the PBU forged-brass body and PUR diaphragm hold a stable normally-closed shut-off up to 40 Bar.

½"–¾" Port1.5–40 BarForged Brass BodyPUR Diaphragm
UFlow PBU Series high pressure diaphragm solenoid valve
Port½", ¾" (BSP/NPT)
Pressure Range1.5–40 Bar
BodyForged Brass
Media Temp-10°C to 50°C
Model Information

Valve Specifications

Port
½", ¾" (BSP / NPT)
End Connection
Screwed
Body Material
Forged Brass
Diaphragm
Polyurethane (PUR)
Media Temp
-10°C to 50°C
Ambient Temp
-10°C to 70°C
Media
Air
Model Chart

Flow & Pressure

Model No.PortOrificeMax PressureQn (LPM)
PBU-2Y½"15 mm40 Bar3150
PBU-2ZY½"15 mm40 Bar3150
PBU-3Y¾"15 mm40 Bar3550
PBU-3ZY¾"15 mm40 Bar3550

Minimum operating pressure 1.5 Kg/cm² across the range.

Coil Information

Coil Specifications

Operating Voltage
12V DC, 24V DC, 230V AC
Power Consumption
12W across all voltages
Coil Housing
IP65 Epoxy Square Coil
Internal Parts
Superior corrosion-resistant steel, equivalent to SS316L
Use of a filter at the inlet port is recommended. Internal parts are corrosion-resistant, suitable for food, pharmaceutical, chemical and other highly corrosive-media applications.
Applications

Where It's Used

High-pressure air distribution, pneumatic test benches, industrial compressor circuits and any utility line where standard 10-12 Bar diaphragm valves aren't rated for the working pressure.

High Pressure Air DistributionCompressor CircuitsTest Benches
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Need shut-off above 12 Bar?

Tell us your working pressure and line size and we'll confirm the right PBU configuration.