VPPM-6F-L-1-F-0L6H-A4N Festo Proportional-pressure regulator

Technical Overview

The VPPM-6F-L-1-F-0L6H-A4N is a high-performance 3-way proportional pressure regulator designed for precision pneumatic control. It utilizes a piloted diaphragm regulator design with an integrated LED display and electric actuation. Capable of managing pressures from 0.06 bar to 6 bar, it offers a high nominal flow rate of 900 l/min and features robust electrical protections, including short circuit and reverse polarity protection. Its safety function ensures the output pressure is maintained unregulated if the power supply is interrupted, making it ideal for critical industrial automation processes.

Key Features

3-way proportional pressure regulator function
Piloted diaphragm regulator design
Integrated LED display for status monitoring
Short circuit current rating for all electrical connections
Safety position: output pressure maintained unregulated if power is interrupted
Reverse polarity protection
NPN switching output
IP65 degree of protection

Technical Specification Matrix

Parameter	Value
Nominal size, supply	6 mm
Nominal size, exhaust	4.5 mm
Type of actuation	Electric
Sealing principle	Soft
Mounting position	optional
Design	Piloted diaphragm regulator
Short circuit current rating	For all electrical connections
Safety instructions	Safety position VPPM: if the power supply cable is interrupted, output pressure is maintained unregulated.
Symbol	00995303
Reverse polarity protection	For all electrical connections
Type of reset	Mechanical spring
Type of piloting	Pilot actuated
Valve function	3-way proportional pressure regulator
Display type	LED
Pressure regulation range (MPa)	0.006 MPa ... 0.6 MPa
Pressure regulation range (bar)	0.06 bar ... 6 bar
Inlet pressure 1 (bar)	0 bar ... 8 bar
Inlet pressure 1 (MPa)	0 MPa ... 0.8 MPa
Max. pressure hysteresis	0.03 bar
Standard nominal flow rate	900 l/min
Operational voltage range	DC 21.6 V ... 26.4 V
Max. current consumption	300 mA
Duty cycle	100%
Max. electrical power consumption	7 W
Residual ripple	10 %
Switching output	NPN
Signal range analogue output	4 - 20 mA
Accuracy analogue output in ± %FS	2 %FS
Signal range analogue input	4 - 20 mA
Operating medium	Compressed air to ISO 8573-1:2010 [7:4:4] Inert gases
Note on operating and pilot medium	Lubricated operation not possible
Approval	RCM trademark c UL us listed (OL)
KC mark	KC-EMV
CE mark	To EU EMC Directive In accordance with EU RoHS Directive
UKCA marking	To UK RoHS instructions
Certificate issuing authority	UL E322346
Corrosion resistance class CRC	2 - Moderate corrosion stress
LABS (PWIS) conformity	VDMA24364-B1/B2-L
Media temperature	10 °C ... 50 °C
Degree of protection	IP65
Ambient temperature	0 °C ... 60 °C
Product weight	400 g
Linearity	1 %FS
Hysteresis	0.5 %FS
Reproducibility	0.5 %FS
Total accuracy	2.25%FS
Temperature coefficient	0.04 %/K
Repetition accuracy FS	0.5 %
Electrical connection	M12 Plugs
Type of mounting	With through-hole With accessories
Pneumatic connection, port 1	Sub-base
Pneumatic connection, port 2	Sub-base
Pneumatic connection, port 3	Sub-base
Note on materials	RoHS-compliant
Material housing	Wrought aluminium alloy Anodised

Industrial Applications

1. Precision Web Tension Control in Roll-to-Roll Printing

Regulating the air pressure to dancer roll pneumatic cylinders in a high-speed printing press. The PLC uses a 4-20mA analog signal to continuously adjust the pressure based on load cell feedback, ensuring smooth tension.

Problem Solved

Eliminates material tearing and wrinkling caused by inconsistent web tension during speed changes or roll diameter variations.

Proportional pressure regulation4-20 mA analogue input0.06 bar to 6 bar pressure range0.5% FS hysteresis900 l/min flow rate

2. Automated Pneumatic Leak Testing for Automotive Castings

Supplying highly precise, programmable air pressure into engine block castings to identify micro-leaks via pressure decay. The 4-20mA analog output provides real-time pressure monitoring to the test stand's data acquisition system.

Problem Solved

Prevents false pass or fail leak test results caused by unstable fill pressures, ensuring test chamber pressures are highly reproducible.

0.5% FS reproducibility4-20 mA analogue output3-way proportional pressure regulatorIP65 degree of protectionLinearity 1% FS

3. Dynamic Contact Force Control in Robotic Polishing Cells

Actuating a pneumatic end-effector on a 6-axis robot to apply consistent downward force during metal polishing. The VPPM dynamically adjusts the cylinder pressure between 0.06 and 6 bar to compensate for surface curvatures.

Problem Solved

Overcomes uneven surface finishing and abrasive wear by maintaining a constant contact force regardless of the robotic arm's position or surface irregularities.

Piloted diaphragm regulatorSub-base mounting0.03 bar max pressure hysteresisDC 21.6 V to 26.4 V operationNPN switching output