Name: MHA2-MS1H-3-2G-2-K Festo Solenoid Valve - INOSAKI
SKU: Festo-196121
Price: 96.50 USD
Availability: InStock

Technical Overview

The MHA2-MS1H-3/2G-2-K is a high-performance solenoid valve featuring a 3/2-way, closed, monostable function with a pressure-relieved poppet valve design. Directly piloted and electrically actuated, it operates within a pressure range of -0.9 to 8 bar. This 10mm wide valve is designed for sub-base mounting and delivers a standard nominal flow rate of 100 l/min, suitable for high-speed switching applications with frequencies up to 330 Hz.

Key Features

3/2-way, closed, monostable function
Pressure-relieved poppet valve design
Directly piloted actuation
Sub-base mounting orientation
High switching frequency up to 330 Hz
Protective circuit included
Reversible flow direction with restrictions
IP55 degree of protection
Cleanroom suitability Class 6 according to ISO 14644-1
RoHS-compliant materials

Technical Specification Matrix

Parameter	Value
Valve function	3/2-way, closed, monostable
Type of actuation	Electric
Construction width	10 mm
Standard nominal flow rate (standardised to DIN 1343)	100 l/min
pneumatic working port	Sub-base
Operating voltage	24V DC
Operating pressure (MPa)	-0.09 MPa ... 0.8 MPa
Operating pressure (bar)	-0.9 bar ... 8 bar
Operating pressure (psi)	-13.05 psi ... 116 psi
Design	Pressure-relieved poppet valve
Type of reset	Mechanical spring
Degree of protection	IP55
Approval	RCM trademark c UL us - Recognized (OL)
CE mark (see declaration of conformity)	To EU EMC Directive In accordance with EU RoHS Directive
UKCA marking (see declaration of conformity)	To UK RoHS instructions
Nominal size	2 mm
Grid dimension	14 mm
Note on grid dimension	Minimum distance between the valves is 4 mm
Exhaust-air function	With flow control option
Sealing principle	Soft
Mounting position	optional
Manual override	Non-detenting
Type of piloting	Direct
Flow direction	Reversible with restrictions
Symbol	00991308
lap	Underlap
Reverse polarity protection	Bipolar
Additional functions	Protective circuit
Operating pressure, reversible (MPa)	-0.09 MPa ... 0.1 MPa
Operating pressure, reversible (bar)	-0.9 bar ... 1 bar
Operating pressure, reversible (psi)	-13.05 psi ... 14.5 psi
Max. switching frequency	330 Hz
Switching time off	2 ms
Switching time on	1.7 ms
Tolerance switching time off	+10%/-30%
Tolerance switching time on	+10%/-30%
Switching time dispersion from 1 Hz	0.2 ms
Duty cycle	100%
Characteristic coil data	24 V DC: low-current phase 1.25 W, high-current phase 5.0 W
Permissible voltage fluctuations	+/- 10 %
Operating medium	Compressed air to ISO 8573-1:2010 [7:4:4]
Note on operating and pilot medium	Lubricated operation possible (in which case lubricated operation will always be required)
Vibration resistance	Transport application test with severity level 2 to FN 942017-4 and EN 60068-2-6
Restrictions for environmental and media temperature	As a function of switching frequency (see graph)
Shock resistance	Shock test with severity level 2 to FN 942017-5 and EN 60068-2-27
Corrosion resistance class CRC	2 - Moderate corrosion stress
LABS (PWIS) conformity	VDMA24364-B1/B2-L
Cleanroom suitability	Class 6 according to ISO 14644-1
Media temperature	-5 °C ... 40 °C
Ambient temperature	-5 °C ... 40 °C
Product weight	60 g
Electrical connection	Cable
Cable length	2.5 m
Type of mounting	On sub-base
Pneumatic connection, port 1	Sub-base
Pneumatic connection, port 2	Sub-base
Pneumatic connection, port 3	Sub-base
Material seals	HNBR NBR
Material housing	Die-cast zinc, coated
Material cable sheath	PUR
Material screws	Galvanised steel

Industrial Applications

1. High-Speed Optical Sorting of Granular Food Products

In automated optical sorting machines for rice, corn, and seeds, the valve actuates air ejectors to blow defective grains or impurities off the fast-moving conveyor belt. The valve's millisecond response time ensures only the specific defective particle is targeted without disturbing the surrounding accepted product.

Problem Solved

Eliminates the bottleneck of manual sorting by enabling real-time, high-volume separation of contaminants from food streams, ensuring food safety and purity standards are met at industrial throughput rates.

Max. switching frequency 330 HzSwitching time on 1.7 msSwitching time off 2 msStandard nominal flow rate 100 l/minValve function 3/2-way

2. Precision Adhesive Dispensing in Packaging Lines

The valve controls the pneumatic pressure applied to adhesive applicators for high-speed cartoning and packaging. By switching the air supply on and off rapidly, it generates precise glue dots or interrupted beads, reducing adhesive consumption and preventing stringing or mess on the packaging surface.

Problem Solved

Prevents adhesive waste and product contamination caused by dripping or trailing glue lines in high-speed packaging machinery, while ensuring consistent bond strength through accurate dosing.

Repetition accuracySwitching time dispersion 0.2 msOperating voltage 24V DCConstruction width 10 mmDuty cycle 100%

3. High-Frequency Vacuum Ejection for Electronics Pick-and-Place

Mounted directly on the moving head of a Surface Mount Technology (SMT) machine, this valve provides the 'blow-off' pulse to instantly release small electronic components (chips, resistors) from vacuum suction cups. Its compact size and low weight minimize inertia on the high-speed robotic arm.

Problem Solved

Reduces cycle times in electronics assembly by eliminating the latency in part release, allowing the placement head to move to the next pickup location faster and increasing overall machine parts-per-hour (PPH) output.

Product weight 60 gMounting position optionalDegree of protection IP55Design Pressure-relieved poppet valveCable length 2.5 m