MOOG A67999-065 Servo Valve Button Filter Disc

Technical Specifications

Model:A67999-065

Brand:MOOG

Product type:Servo Valve Button Micro Filter Disc

Structure:Multi-layer stainless steel mesh,pleated filter media,vacuum electron beam welded

Filtration precision:3~10μm

Max working pressure:350bar

Working medium:Mineral hydraulic oil,phosphate ester fire-resistant oil

Dimension:OD 15.88mm

Weight:0.005kg

Operating temperature:-20℃ ~ +130℃

Storage temperature:-40℃ ~ +130℃

Relative humidity:10~90% non-condensing

Certification:CE

System compatibility

A67999-065 is MOOG dedicated pilot filter disc.It fits most Moog two-stage servo valves,widely used in steam turbine DEH system,material fatigue test bench and precision hydraulic control system.It is consumable spare part for servo valve overhaul.

Function

A67999-065 is tiny button filter installed inside servo valve pilot stage.It intercepts fine solid particles in hydraulic oil,protects nozzle flapper assembly from contamination and blockage,stabilizes servo valve performance and extends valve service life.

Installation

Place filter disc into servo valve pilot cavity during valve overhaul.Assemble with corresponding sealing parts,avoid scratching filter mesh.Complete oil flushing after valve reassembly.Keep clean during handling,prevent secondary contamination.

Interface

‑Disc filter element,installed inside servo valve pilot stage

‑Filter identification marking

Feature

MOOG high precision metal mesh button filter.Typical faults:mesh clogged,mesh deformation,metal fiber shedding.Inspect filter condition during regular servo valve maintenance.

Diagnostic

Fault phenomenon:servo valve zero drift,slow response,nozzle blockage.Check filter contamination and replace filter disc in time.

Product Brief

A67999-065 is MOOG servo valve pilot stage button filter disc with multi-layer metal mesh,used to filter tiny impurities of pilot oil circuit.It is essential consumable part for servo valve maintenance and overhaul.Strict oil cleanliness control is required in service.