Valves

NAMUR solenoid valves

NAMUR solenoid valves are used as pilot valves mounted directly onto process valve actuators (rotary actuators, diaphragm actuators) per the NAMUR standard. The DR NAMUR adapter plates provide 5/2-way throttling function (both sides) and 3/2-way versions with throttle on supply air (FO), exhaust air (FS) or both sides (FSFO) of the pressurised side. The 6 mm spacer plate (DR NAMUR DIS6) enables undercutting in confined installation situations on the process valve.

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Buying guide

How to choose NAMUR solenoid valves

What matters when choosing: properties, comparison and typical applications.

Technical features

⚙ NAMUR direct mounting - standardised flange per NAMUR standard for process valve actuators

✓ 5/2-way with dual-side throttle - DR NAMUR, simultaneous flow control of both working strokes

⚙ 3/2-way throttle versions - DR NAMUR FO (supply air), FS (exhaust air), FSFO (both sides)

🛡 6 mm spacer plate - DR NAMUR DIS6 for confined installation on the actuator

DR NAMUR type overview

Item	Switching function	Throttle function
DR NAMUR	5/2-way	Both sides
DR NAMUR FO	3/2-way	Supply air of pressurised side
DR NAMUR FS	3/2-way	Exhaust air of pressurised side
DR NAMUR FSFO	3/2-way	Supply and exhaust of pressurised side
DR NAMUR DIS6	Spacer plate	6 mm standoff

Typical applications

Typical applications: Pilot control of ball valve and butterfly valve actuators per NAMUR standard in process plants; control of pneumatic rotary actuators in the oil and gas industry; regulation of opening and closing speed of process valves via integrated throttles; installation in Ex zones via upstream NAMUR amplifier.