2-Way, 3-Way & 4-Way Solenoid Operated Valves

Compact precision, high flow and long service life

Humphrey 2-Way, 3-Way & 4-Way Solenoid Operated Valves offer engineers a proven combination of compact design, high flow, low leakage and energy efficiency.
Thanks to the direct-acting poppet and balanced poppet construction, these valves operate reliably under a wide range of conditions, from vacuum to 8,6 bar (125 psi).

They are used worldwide in, among others:

Transport & mobile equipment: pneumatic control in vehicles, trains and lifting platforms

Food & cleaning: milking machines, cleaning systems, meat processing and packaging lines

Industrial automation: car washes, vacuum lifting and gripping systems

Medical & analytical: chromatography, diagnostic equipment, dental, autoclaves

Semicon & high vacuum: wafer processing tools and high-vacuum control

310/410 Series: compact and versatile

The Humphrey 310/410-serie is a family of 3-weg and 4-weg direct-acting solenoid valves with 1/8” ports. These compact and lightweight valves combine high reliability with low power consumption and are ideal for modern, energy-efficient designs.

Technical specifications:

Configurations: 2-, 3- or 4-weg (NC, NO, diverter, selector)

Port size: 1/8” NPSF

Pressure range: vacuum to 8,6 bar (125 psi)

Flow (Cv): 0,11 – 0,15

Power supply: 12 VDC, 24 VDC, or AC (24 – 240 V 50/60 Hz)

Power: approx. 4,5 W

Temperature range: 0 – 50 °C

Max leakage: 4 cc/min

Material: aluminium body, HNBR or FKM seals

Mounting: inline, stacking or subbase manifold

Options: DIN connector, manual override, fluorocarbon seals

Advantages:
✓ Simple, direct-acting construction
✓ High flow in a compact size
✓ Low energy consumption and no lubrication needed
✓ Extremely low leakage
✓ Long service life (millions of cycles)
✓ Suitable for combined manifold setups

320/420 Series: high flow, low leakage

The 320/420-serie is designed for applications that require maximum flow and reliable performance in a compact housing. Thanks to the balanced poppet construction, these valves operate stably at varying pressure levels, from vacuum to 8,6 bar.

Technical specifications

Type: 3-weg (320) or 4-weg (420)

Port size: 1/4” NPSF

Pressure range: vacuum to 125 psi (8,6 bar)

Flow (Cv): 1.0

Power: approx. 5 W (continuous use)

Coil: Class B insulation, 24” lead wires as standard

Temperature: 0 – 50 °C

Max leakage: 4 cc/min

Mounting: inline or manifold (M420-model)

Material: aluminium body, NBR or FKM seals

Advantages:
✓ High flow capacity (Cv = 1.0)
✓ Balanced design for stable operation
✓ Low leakage, also under vacuum
✓ Compact and low-maintenance
✓ Easy to install ("plug & play")
✓ Reliable performance over millions of cycles

Balanced Solenoid Valve Series: 15 mm, 19 mm and 25 mm

The latest generation of Balanced Solenoid Valves offers exceptional performance in three compact sizes. These valves combine high flow (up to 1.2 Cv), low leakage (< 4 cc/min @ 7 bar) and energy-efficient consumption (5 – 8 W), with optional IP67-bescherming for wet or dusty environments.

Technical specifications:

Features:

Inline or manifold mounting

Optional IP67-versie (dust- and watertight)

No lubrication needed, tolerant of impure media

Fluorocarbon seals optional for chemical resistance

DIN connector or plug-in lead wire (12” or 24”)

Advantages:
✓ Compact dimensions with high flow
✓ Very low leakage
✓ IP67-bescherming for hygienic or washable installations
✓ Multi-purpose design (air, gas, vacuum)
✓ Long service life and quiet operation
✓ Reliable at high cycle rates and variable pressure