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Membrane Filter Plate |
Manufacturer

HUSTON membrane filter plates deliver secondary diaphragm squeezing after standard filtration — reducing cake moisture, shortening cycle time and increasing throughput for wastewater, mining, chemical and food processing applications.

membrane filter plate

A membrane filter plate (also called a diaphragm filter plate or diaphragm squeeze plate) is a filter press plate with a built-in flexible diaphragm. After standard pressure filtration forms a cake, compressed air or pressurized water inflates the membrane — applying uniform force across the entire cake surface to squeeze out residual moisture. The result is a drier, more homogeneous cake that is easier to discharge, wash and dispose of.

Lower cake moisture through secondary diaphragm squeezing Shorter filtration cycle — increases production throughput
Shorter filtration cycle — increases production throughput
Uniform cake compression for better washing and air blowdown
Replaceable membrane design reduces maintenance cost and downtime
Compatible with most global filter press brands as OEM replacement
Custom mold tooling available for non-standard and irregular plate profiles

How membrane squeezing works

A four-step cycle turns standard pressure filtration into a drier, more consistent separation process.

Filter

Pump drives slurry into the chamber. Liquid passes through the filter cloth; solids build into a cake at 6–16 bar.

Squeeze

Membrane inflates with air or water at 7–30 bar, compressing the cake evenly for additional moisture removal.

Wash / blow

Optional cake washing or air blowdown. Uniform cake thickness ensures even liquid distribution.

Discharge

Press opens; the drier, more homogeneous cake releases cleanly with less manual cleaning needed.

membrane plate types

fixed / Welded membrane plate

The membrane material is bonded or welded to the plate to form a whole. The membrane material will not detach under high pressure.

Replaceable membrane plate

Diaphragm swappable in the press without replacing the plate body — ideal for abrasive or corrosive slurries.

Mixed-pack design

Alternate membrane and chamber plates to reduce total plate-pack investment while retaining squeeze performance.

membrane plate sizes

250mm membrane plate

OEM replacement and custom tooling available.

630mm membrane plate

OEM replacement and custom tooling available.

800mm membrane plate

OEM replacement and custom tooling available.

1000mm membrane plate

OEM replacement and custom tooling available.

1250mm membrane plate

OEM replacement and custom tooling available.

1500mm membrane plate

OEM replacement and custom tooling available.

2000mm membrane plate

OEM replacement and custom tooling available.

2500mm membrane plate

OEM replacement and custom tooling available.

Technical specifications

Plate size	250 × 250 mm to 2000 × 2000 mm
Cake thickness	20 – 50 mm (customizable)
Feed type	Center / corner / side / top
Feed pressure	6 – 16 bar
Squeeze pressure	7 – 30 bar
Max temperature	PP ≤ 85 °C · PVDF ≤ 120 °C
Plate body	PP / GFPP / PVDF
Membrane / gasket	TPE / EPDM / NBR / FKM (Viton)
Squeeze duration	15 – 45 min (typical)

Custom membrane filter plates

Every application has different slurry chemistry, pressure conditions and equipment constraints. HUSTON’s in-house mold tooling and engineering team allows us to manufacture membrane filter plates from scratch rather than adapting standard stock — so your plates fit precisely and perform reliably from day one.

By drawing: Send 2D drawings or CAD files. We manufacture to exact dimensions and tolerances.
By sample: Send a worn or broken plate. We measure, replicate and improve where needed.
By press brand: Provide your filter press brand and model. We confirm compatibility before production.
By process conditions: Tell us your slurry, pressure and moisture target. We select plate type, membrane and gasket material accordingly.

From Raw Plate to Precision Filter Plate

Our filter plates are produced through an automated, high-precision machining process.

The molded plate is loaded and positioned on a stable working table.
The CNC gantry trims edges, mills the surface and processes sealing areas for accurate dimensions.
Drilling and port machining are completed for feed holes, filtrate channels and connection points.
Chips are removed and the plate surface is kept clean for consistent quality.
Each plate is inspected for flatness, hole accuracy, surface finish and appearance before delivery.

Get a Quote

Not sure which plate is right for you?

Share the details below and our engineers will recommend the optimal membrane plate configuration, diaphragm material and squeezing parameters — at no cost and with no obligation to buy.

Slurry information — material name, solid content (%), particle size, pH, temperature, viscosity, and whether the slurry contains oils, solvents or corrosive agents
Target cake moisture — desired moisture content (%) after filtration, and whether cake washing or air blowdown is required
Equipment dimensions — filter press brand and model, plate size, number of plates, chamber depth, feed type and whether a squeeze medium supply line already exists

Send your details via the inquiry form below or email us directly. We typically respond within 24 hours.

Service Inquiry