Festo MS6-LFR-1/4-D7-CRM-AS Filter Regulator

MS6-LFR-1/4-D7-CRM-AS: MS6 filter regulator with 5 µm filter

The Festo MS6-LFR-1/4-D7-CRM-AS (article 529204) combines a compressed-air filter and a pressure regulator with gauge in one MS series size-6 housing. Seven Star LLC supplies MS6-LFR-1/4-D7-CRM-AS in Oman and the GCC as an independent supplier in Muscat, not affiliated with the manufacturer. The sections below translate the datasheet into practical selection advice.

Datasheet details of this variant:

• MS6 (or MS6N) is the size-6 MS series filter regulator.
• LFR marks a filter regulator: filter and pressure regulator in one housing.
• Filter grade 5 µm, condensate drain: Manual, rotating.
• Port size G1/4 (both sides), flow 2200 l/min.
• Bowl guard: Plastic bowl guard; pressure gauge fitted.

MS6-LFR-1/4-D7-CRM-AS technical specifications

Values from the manufacturer data sheet for article 529204.

How the MS6-LFR-1/4-D7-CRM-AS filters and regulates compressed air

Air enters the filter section and is swirled so that water droplets and coarse particles are thrown out to the bowl, while the 5 µm element removes finer solids. Condensate collects in the bowl and leaves through the manual, rotating drain. The cleaned air then passes the regulator: a spring-loaded diaphragm holds the outlet at the set pressure within 0.5 to 12 bar, with secondary exhausting when the setting is reduced.

The listed flow of 2200 l/min is the normal nominal rate; with a bigger demand the outlet pressure droops. The maximum pressure hysteresis of 0.025 MPa / 0.25 bar / 3.625 psi describes how far the set value may differ on rising and falling adjustment. For stable machine supply, set the pressure by rising to the target value from below.

Output air quality is listed as Compressed air as per ISO 8573-1:2010 [6:4:4] and the operating medium as Compressed air as per ISO 8573-1:2010 [-:4:-], Inert gases. The housing is die-cast aluminum with a PC bowl, and the unit weighs 875 g, which matters for panel or bracket mounting.

Where MS6-LFR-1/4-D7-CRM-AS fits: compatible and related parts

The MS series is modular: the filter regulator can sit alone at a machine inlet or be joined with a shut-off valve, a lubricator, a soft-start valve and distribution blocks. Plug the unit in-line or use the front panel mounting option. Mounting options listed: (accessories required).

Related filter regulators we handle include MS6N-LFR-1/4-D7-CUM-AS, MS6N-LFR-1/4-D7-CRM-AS, MS6-LFR-1/2-D7-E-R-M, MS6-LFR-3/8-D7-EUV-AS, MS6-LFR-1/4-D6-ERV-AS. They differ in filter grade, drain, bowl, ports and pressure range, so the replacement must match your pipework.

Selection and ordering checklist for MS6-LFR-1/4-D7-CRM-AS

• Filter grade 5 µm: choose 5 µm for sensitive instrumentation and 40 µm for general pneumatics.
• Condensate drain: manual, rotating, matching your maintenance habits.
• Pressure range: 0.5 to 12 bar regulation, operating pressure 0.8 to 20 bar.
• Flow: 2200 l/min at normal conditions, check against peak demand.
• Thread: G1/4 on both ports, matching your pipework standard.
• Manual drain means a technician must open the drain on a schedule; in humid GCC sites decide whether that is realistic.

Installation, commissioning and maintenance of MS6-LFR-1/4-D7-CRM-AS

Install the unit vertically (Vertical ±5°) with the bowl downwards, in the flow direction marked on the body, upstream of the sensitive equipment and as close to the point of use as practical. Fit a drain line when the automatic drain is used.

At start-up open the supply slowly, set the output pressure by raising it from below to the target, then lock the rotary knob if the version allows it. Replace the filter element on a schedule or when differential pressure grows, and check the gauge for drift. Empty the manual drain daily on humid sites.

Typical applications of MS6-LFR-1/4-D7-CRM-AS in Oman and the GCC

Oman and the wider GCC put pneumatic equipment under demanding conditions: ambient heat in summer, fine desert dust, high humidity in coastal plants and compressed-air systems that are not always perfectly dried. A 5 µm filter regulator with a manual rotating condensate drain and a plastic bowl guard, suited to clean indoor control panels and machine supply where draining by hand is acceptable.

Compressed air in the region often carries more moisture and dust than a European plant, so the filter grade and the drain type of the MS6-LFR-1/4-D7-CRM-AS should be chosen with that in mind.

MS6-LFR-1/4-D7-CRM-AS compared with other MS6 filter regulators

Key differences from datasheets of related MS6 and MS6N filter regulators.

Information to send with your MS6-LFR-1/4-D7-CRM-AS RFQ

• Full part number MS6-LFR-1/4-D7-CRM-AS and quantity.
• Pipe thread standard (G or NPT) and size.
• Required output pressure range and flow.
• Filter grade and drain type confirmation.
• Gauge unit and any mounting accessories.
• Delivery location in Oman or the GCC.

Documents and quotation

The manufacturer data sheet for MS6-LFR-1/4-D7-CRM-AS is attached on this page for download.

Send the part number MS6-LFR-1/4-D7-CRM-AS with quantity and delivery location and we will confirm availability and a quotation. Seven Star LLC is an independent supplier and is not affiliated with the manufacturer.