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Loway Equipment
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  • support@lowayequipment.com
  • 86 189 5282 5752
Loway filter equipment





Chamber Filter Press | Recessed Plate Dewatering | Loway Equipment



CHAMBER FILTER PRESS · RECESSED PLATE

Chamber Filter Press for Recessed Plate Dewatering

The workhorse of mechanical dewatering. PP recessed plates form sealed chambers; slurry is pumped in under pressure, solids build as cake, filtrate drains clear. Built for mining tailings, municipal sludge, chemical and food-industry slurries — sized from your bench test, not a guess.

Request a Chamber Press Quotation
Send Your Sludge Sample for a Bench Test

Loway recessed chamber filter press, complete unit with clothed plate pack, on the factory floor

420–1500mm
Plate sizes
2–560m²
Filtration area
25–30mm
Cake thickness
0.4–0.6MPa
Feed pressure
20–45min
Cycle time

Where a Chamber Press Fits in the Filter Press FamilyThree plate configurations, one engineering team

Loway builds recessed-chamber, membrane, and plate-and-frame presses in the same factory. Each suits a different cake-dryness target and budget. Use this map to confirm the chamber press is the right platform before requesting a quote.

REVIEWED HERE

Chamber Filter Press

Recessed PP or cast-iron plates. Simpler mechanism, lower capex. Typical cake moisture 30–60% (slurry-dependent). The standard choice when extreme dryness is not the #1 priority.

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DRIER CAKE · HIGHER INVESTMENT

Membrane Filter Press

Adds a flexible diaphragm behind the plate face. A secondary squeeze step at 1.0–1.6 MPa removes another 10–15% moisture. Longer cycle but drier cake, smaller disposal volume.

View Membrane Press →

LOW-CAPACITY / POLISHING

Plate & Frame Press

Flat plates and frames alternating, no recessed cavity. Best for very thin cakes, low solids, or clarification duty. Smaller batches, simpler maintenance.

View Plate & Frame →

Anatomy of a Recessed Chamber PlateWhat makes the chamber form and the seal hold

Every chamber in a filter press is the gap between two recessed plates. The recess is the cake cavity. The plate is the filter media support and the seal. The Loway standard plate stack ships in eight sizes — from 420 mm pilot frames to 1500 mm industrial lines.

3D rendering of a complete Loway chamber filter press: frame, hydraulic pack, plate stack and control cabinet
  1. Virgin PP bodyAcid- and alkali-resistant, cast in-house. No recycled resin in contact surfaces.
  2. Diamond + Strip pipsThe raised dot pattern supports the cloth and gives filtrate a clear drainage path. Strips guide the wash flow evenly across the cloth.
  3. Central feed holeSlurry enters through the bore in every plate. On 800+ sizes the bore is reamed to a precise tolerance so two-plate wash flow remains balanced.
  4. Sealing face flatness ≤ 0.1 mmCNC-milled sealing surface. Zero leakage up to rated feed pressure. Maintains a leak-tight cavity across thousands of cycles.
  5. Eight plate sizes stocked420 / 500 / 630 / 800 / 920 / 1000 / 1250 / 1500 mm. Larger or non-standard geometries cast on request with 4-week lead time.
  6. Cloth-on-plate designFilter cloth is matched to the plate geometry. We supply Loway cast plates and source cloths through qualified OEM mills.
Loway recessed chamber filter press plate pack with white filter cloths hung over the plate edges for pre-shipment alignment
Plate pack of a Loway chamber filter press: PP recessed plates, white filter cloths hung over the top edges for frame alignment and pre-shipment inspection.

How a Chamber Filter Press WorksA four-step cycle, repeated for every batch

One cycle fills the chambers, presses the cake, discharges the solids, and resets the press. Total cycle time depends on slurry solids, cake thickness, and feed pump capacity — typically 20–45 minutes for a standard chamber build.

  1. Close & seal the plate pack

    The hydraulic cylinder drives the moving head against the plate stack. Automatic pressure keeping holds the pack leak-tight throughout filtration.

    ~30 s

  2. Fill & filter

    The feed pump fills every chamber simultaneously through the central bore. Filtrate drains through the cloth and out the drain ports; solids build against the cloth face.

    10–30 min · feed 0.4–0.6 MPa

  3. Air blow (optional)

    Compressed air pushed through the cake displaces residual filtrate. Drops final moisture by a few points and shortens downstream drying.

    3–8 min · 0.6–0.8 MPa

  4. Open & discharge

    The plate pack opens automatically or manually. Cake falls by gravity onto the conveyor or pan below. A cloth-wash spray bar resets flux for the next cycle.

    2–5 min

Filter press filtration process diagram: sludge tank, feed pump, filter press, filter cake drop, filtrate tank

Standard filtration line: sludge tank → feed pump → filter press → filter cake discharge → filtrate to clear tank. Compressed-air secondary line optional.

Plate Sizes and Filtration AreasStandard 800, 1000, 1250, and 1500 mm plate series — full tables below

All figures are typical values for a standard recessed-chamber build with automatic plate shifter and hydraulic closing. Larger non-standard geometries and reinforced frames are available on request. Numbers below are based on our current production series; final sizing is confirmed by bench test on your slurry.

420
2–9 m²
25 mm
500
4–14 m²
25 mm
630
5–32 m²
25 mm
800
20–80 m²
30 mm
920
40–100 m²
30 mm
1000
32–120 m²
30 mm
1250
100–300 m²
30 mm
1500
200–560 m²
30 mm

XA MYZ20–80 / 800-U(BK) Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation length L (mm) Total length L1 (mm) Machine dimensions (mm) Weight (t, ref.)
Width Height
XA MYZ20 / 800-U(BK) 20 21 30 320 2135 2260 2755 1210 1270 ~3.2
XA MYZ30 / 800-U(BK) 30 31 480 2735 2875 ~4.4
XA MYZ40 / 800-U(BK) 40 41 640 3335 3100 ~5.4
XA MYZ50 / 800-U(BK) 50 51 800 3935 3450 ~6.4
XA MYZ60 / 800-U(BK) 60 61 960 4535 3700 ~7.4
XA MYZ70 / 800-U(BK) 70 71 1120 5135 4000 ~8.4
XA MYZ80 / 800-U(BK) 80 81 1280 5735 4300 ~9.4
Plate 800 × 800 × 60 mm · working stroke 380 mm · max stroke 410 mm · auto plate shifter foundation lengthens L1 by ~135 mm.

XA MYZ32–120 / 1000-U(BK) Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation length L (mm) Total length L1 (mm) Machine dimensions (mm) Weight (t, ref.)
Width Height
XA MYZ32 / 1000-U(BK) 32 21 30 480 2200 3910 3170 1380 1450 ~4.6
XA MYZ40 / 1000-U(BK) 40 25 600 2530 4260 ~5.6
XA MYZ50 / 1000-U(BK) 50 31 750 2950 4548 ~6.8
XA MYZ60 / 1000-U(BK) 60 37 900 3250 4880 ~7.8
XA MYZ70 / 1000-U(BK) 70 43 1050 3610 5146 ~8.9
XA MYZ80 / 1000-U(BK) 80 49 1200 3980 5436 ~10.0
XA MYZ90 / 1000-U(BK) 90 55 1350 4350 5734 ~11.0
XA MYZ100 / 1000-U(BK) 100 61 1500 4720 6024 ~12.0
XA MYZ110 / 1000-U(BK) 110 67 1650 5100 6318 ~13.1
XA MYZ120 / 1000-U(BK) 120 73 1800 5500 6612 ~14.2
Plate 1000 × 1000 × 60 mm · working stroke 480 mm · max stroke 510 mm · auto plate shifter foundation lengthens L1 by ~160 mm.

XA MYZ100–300 / 1250-U(BK) Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation length L (mm) Total length L1 (mm) Machine dimensions (mm) Weight (t, ref.)
Width Height
XA MYZ100 / 1250-U(BK) 100 39 30 1500 3910 7000 5080 1750 1600 ~13.5
XA MYZ110 / 1250-U(BK) 110 44 1650 4138 7350 ~14.6
XA MYZ125 / 1250-U(BK) 125 49 1875 4510 7750 ~16.1
XA MYZ140 / 1250-U(BK) 140 55 2100 4822 8150 ~17.6
XA MYZ160 / 1250-U(BK) 160 63 2400 5270 8750 ~19.6
XA MYZ180 / 1250-U(BK) 180 70 2700 5770 9250 ~21.6
XA MYZ200 / 1250-U(BK) 200 78 3000 6190 9800 ~23.6
XA MYZ225 / 1250-U(BK) 225 87 3375 6760 10450 ~26.4
XA MYZ250 / 1250-U(BK) 250 97 3750 7330 11200 ~29.0
XA MYZ300 / 1250-U(BK) 300 116 4500 8470 12550 ~34.0
Plate 1250 × 1250 × 60 mm · working stroke 750 mm · max stroke 830 mm · weight figure includes frame, plates, hydraulic system, and shifter.

XA MYZ200–600 / 1500-U(BK) Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation length L (mm) L2 stage (mm) Total length L1 (mm) Machine dimensions (mm) Weight (t, ref.)
Width Height
XA MYZ200 / 1500-U(BK) 200 51 30 3000 5625 — 7160 2040 1950 ~28
XA MYZ224 / 1500-U(BK) 224 55 3360 6045 ~30
XA MYZ250 / 1500-U(BK) 250 62 3750 6605 ~33
XA MYZ280 / 1500-U(BK) 280 70 4200 7165 5000 ~36
XA MYZ315 / 1500-U(BK) 315 79 4725 7865 5000 ~39
XA MYZ340 / 1500-U(BK) 340 85 5100 8285 5500 ~42
XA MYZ400 / 1500-U(BK) 400 101 6000 9405 5500 ~48
XA MYZ450 / 1500-U(BK) 450 112 6750 10385 6000 ~53
XA MYZ500 / 1500-U(BK) 500 125 7500 11365 6000 ~58
XA MYZ560 / 1500-U(BK) 560 140 8400 12485 6500 ~65
XA MYZ600 / 1500-U(BK) 600 150 9000 13500 6500 ~70
Plate 1500 × 1500 × 70 mm · working stroke 800 mm · max stroke 1000 mm · automatic pressure keeping system. L2 stage required for area ≥ 280 m²; non-stage build available to L=250.

All figures are typical for standard builds with hydraulic closing and automatic plate shifter. Final numbers depend on plate count, cloth selection, and slurry behaviour. Sizing is confirmed against a bench test on your sample.

Smaller series: 420, 500, 630, 920 mm plate sizes (pilot & small-batch duty)
420-U / 500-U Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation length L (mm) Length Width Height
XA MSJ2 / 420-U(BK) 2 9 25 32 972 1132 596 770
XA MSJ3 / 420-U(BK) 3 13 48 1172 1332
XA MSJ4 / 420-U(BK) 4 17 64 1372 1532
XA MSJ5 / 420-U(BK) 5 21 80 1622 1782
XA MSJ6 / 420-U(BK) 9 26 96 1822 1982
XA MYJ4 / 500-U(BK) 4 11 25 50 1110 1345 705 835
XA MYJ6 / 500-U(BK) 6 16 75 1360 1595
XA MYJ8 / 500-U(BK) 8 21 100 1610 1845
XA MYJ10 / 500-U(BK) 10 26 125 1860 2095
XA MYJ12 / 500-U(BK) 12 31 150 2110 2345
XA MYJ14 / 500-U(BK) 14 36 175 2360 2595
Plate 420 / 500 — 50 mm thickness. Working stroke 360 mm, max stroke 400 mm. Typical for lab, pilot, and small-batch production lines.
630-U Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation L (mm) Total length Width Height
XA MY5 / 630-U(BK) 5 9 25 70 1130 1700 1030 1020
XA MY8 / 630-U(BK) 8 13 112 1330 1920
XA MY10 / 630-U(BK) 10 17 140 1530 2110
XA MY15 / 630-U(BK) 15 23 210 1930 2500
XA MY20 / 630-U(BK) 20 31 280 2330 2900
XA MY25 / 630-U(BK) 24 38 336 2730 3300
XA MY30 / 630-U(BK) 30 45 420 3130 3700
XA MY32 / 630-U(BK) 32 49 448 3280 3850
Plate 630 — 50 mm thickness. Working stroke 360 mm, max stroke 400 mm. Common in pharmaceutical, fine chemical, and small wastewater lines.
XA MYZ40–100 / 920-U(BK) Chamber Filter Press — Technical Parameters
Model Filter area (m²) No. of plates Cake thickness (mm) Chamber volume (L) Foundation L (mm) Total length Width Height
XA MYZ40 / 920-U(BK) 40 33 30 640 3050 4565 1300 1350
XA MYZ50 / 920-U(BK) 50 41 800 3500 5050
XA MYZ60 / 920-U(BK) 60 49 960 3970 5540
XA MYZ70 / 920-U(BK) 70 57 1120 4500 6030
XA MYZ80 / 920-U(BK) 80 65 1280 5000 6520
XA MYZ90 / 920-U(BK) 90 72 1350 5410 7010
XA MYZ100 / 920-U(BK) 100 80 1500 5900 7490
Plate 920 × 920 × 60 mm · working stroke 480 mm · max stroke 510 mm · mid-size industrial line, common in ceramics, kaolin, and mine backfill duty.

Frame, Hydraulic, Plate Pack — What Loway BuildsIn-house casting and fabrication, qualified cloth supply

The press frame, hydraulic system, and recessed plates are designed and built in the Loway facility. Cloths and consumables are matched through qualified OEM mills — the same parts that fit a Loway press fit a Loway press after 5,000 cycles or 5 years.

Large Loway chamber filter press with grey-painted frame and plate pack visible

Frame & hydraulic closing

The main beam is fabricated from Q345B carbon steel with automatic submerged-arc welding. Sandblasted to Sa 2.5 and coated with three layers of marine-grade epoxy for corrosion resistance in humid plant rooms.

  • Main beam Q345B carbon steel, submerged-arc welded
  • Surface prep Sa 2.5, three coats marine epoxy
  • Designed with a 2.0× safety factor on closing force
  • Hydraulic closing cylinder with automatic pressure keeping
  • Overpressure protection and travel limits as standard
  • 1500-U(BK) ships with automatic pressure keeping system

Auto plate shifter and cloth-wash bar above a Loway chamber press plate pack

Plate pack & cloths

Recessed plates cast in PP, cast iron, or stainless steel to match slurry chemistry. Filter cloths are matched to plate geometry and slurry particle size — sourced through qualified OEM cloth mills with cloth-life test reports on file.

  • PP plate body, acid- and alkali-resistant
  • Cast iron and stainless plate options on request
  • Diamond + Strip pip pattern for drainage and cloth support
  • CNC-milled sealing face, flatness ≤ 0.1 mm
  • Cloth materials: polyester, polypropylene, nylon
  • Cloth weaves: monofilament, multifilament, laminated

Automation OptionsFrom manual operation to fully unmanned systems

Configure the press to your labour budget. Every option below is available as a factory fit on a new build, or as a retrofit on a running press. Speak to engineering about which combination matches your cycle time and operator availability.

PLC control system

Siemens or Schneider PLC with HMI touch screen. One-button operation covers pump feeding, pressing, and discharge. Recipe storage for repeat batches.

One-button operation

Auto plate shifter

Hydraulic or motor-driven mechanism opens plates one by one or in groups. Eliminates heavy manual plate pulling. Cuts discharge time to 2–5 minutes per cycle.

Saves labour

Auto cloth washing

High-pressure water spray bar (50–80 bar) traverses the open plate pack and washes both cloth faces. Prevents blinding and restores flux without manual scrubbing.

Restores flux

Automatic drip tray

“Bomb bay” door design catches drips during the filtration cycle. Keeps the workspace dry and collects filtrate for return to the feed tank or recycling.

Clean floor

ManualSemi-auto (shifter + drip tray)Full-auto (PLC + shifter + cloth wash + drip tray)Unmanned

Selection GuideFour questions to size the right chamber press

Use these four questions to bracket your build. The exact model is confirmed after a bench test on your slurry at the Loway lab — but this gives our engineers a starting point for the quotation.

Question 1Material

What is being dewatered?

Material type, particle size distribution, viscosity, pH, temperature, and feed solids concentration. Each points to a plate material (PP / cast iron / stainless) and a cloth grade.

Send a 5–10 L slurry sample for bench test → Lab page

Question 2Throughput

How many cubic metres per day?

Daily slurry volume and target cake moisture set the required filter area. Combined with feed pump capacity, this determines the plate count and the cycle time.

For sizing, share daily m³, target cake %, and shift pattern

Question 3Cake dryness

How dry does the cake need to be?

Chamber presses deliver cake moisture of 30–60% typical, slurry-dependent. If you need below 25% (mining) or 45% (municipal), a membrane press or a thermal stage downstream may be the better fit.

If target < 25%, consider a membrane press

Question 4Automation

What labour budget for operation?

Manual, semi-auto, or full-auto determines whether you need PLC, auto plate shifter, cloth wash, and drip tray. Cycle time on a full-auto 1000U with 60 plates is roughly half the manual version.

Full-auto suits 24/7 operation; semi-auto suits 1- or 2-shift duty

ApplicationsIndustries and slurries where a chamber press is the standard build

The chamber press is the most widely installed dewatering platform on the market. Where feed solids are above 2% and cake moisture below 60% is acceptable, a chamber build is the cost-effective choice.

Mining & tailings

Concentrate, tailings, and backfill dewatering.

Plate life typically 2,000–5,000 cycles with reinforced frames.
Typical fit: 800–1500

Municipal wastewater

Secondary and digested sludge from WWTP.

Cake moisture 45–60% typical, slurry-dependent. PP plate suffices.
Typical fit: 1000–1500

Chemical & catalyst

Catalyst recovery, pigment filtration, brine clarification.

Plate material matched to pH — PP standard, stainless for hot or oxidising duty.
Typical fit: 630–1250

Food & beverage

Brewers grain, juice clarification, sugar refining.

SS304 plate option and sanitary cloth-wash system available.
Typical fit: 500–1000

Ceramics & kaolin

Clay slip, kaolin concentrate, and glaze filtration.

PP plate works for most. High-solids feed (50%+) possible on reinforced frames.
Typical fit: 920–1250

Coal & coking

Coal slurry, coking wastewater, and FGD gypsum.

Plate life 1,500–3,000 cycles depending on abrasive content. Cloth-wash mandatory.
Typical fit: 1000–1500

Frequently Asked Questions

The questions buyers ask most often. If yours is not below, our engineering team replies within one working day.

Q1. What is the difference between a chamber press and a membrane press?

A chamber press dewaters the cake using feed pressure only. It is simpler, has fewer moving parts, and costs less. A membrane press adds a flexible diaphragm behind the plate face and applies a secondary squeeze at 1.0–1.6 MPa to remove an additional 10–15% moisture.

Choose a chamber press when extreme dryness is not the #1 priority or when capex is the constraint. Choose a membrane press when disposal cost per ton makes drier cake worthwhile — view the membrane press page.

Q2. Why is the filter cake coming out wetter than expected?

Four common causes, in order of frequency:

1. Feed pressure below rated. The pump is not reaching 0.4–0.6 MPa at the press inlet — usually a pump wear or pipe-blockage issue.
2. Cloth blinding. Weekly chemical cleaning (acid or alkaline soak matched to slurry chemistry) restores flux.
3. Fine particles slipping through cloth. Add 0.1–0.3% flocculant upstream of the feed tank to build a stronger cake.
4. Inadequate hydraulic holding force. Check the cylinder seal and the pressure-keeping valve; leakage drops effective closing pressure.

Q3. Can Loway customize the voltage and electrical components?

Yes. We build for global export. The electrical system can be configured to 380 V / 415 V / 480 V / 600 V at 50 Hz or 60 Hz, with component brands chosen from Siemens, ABB, or Schneider to match your local standards. ATEX-rated builds for hazardous-area plants are available on request.

Q4. What parameters do you need for selection?

For an indicative quotation we need: material type (e.g., municipal sludge, tailings, kaolin slip), feed solids %, pH, particle size, viscosity, daily treatment volume, target cake moisture, automation level, site dimensions, and ambient conditions (temperature, humidity, hazardous area).

A bench test on a 5–10 L slurry sample at the Loway lab produces the final sizing — see how to send a sample.

Q5. Do you offer installation and commissioning support?

Every shipment includes detailed manuals, wiring diagrams, and video guidance. Remote diagnostics over video link are standard. On-site commissioning by a Loway engineer is available on request — quoted separately based on location and duration.

Q6. What is the lead time?

Standard models (420–1500 plate series with manual or semi-auto configuration) typically ship in 15–20 working days from order confirmation. Customized large-scale units or full-auto PLC configurations may take 25–60 working days depending on the build.

Get a Sized Chamber Press Quotation

Send your slurry characteristics, daily volume, and target cake moisture. Our engineering team will propose a plate series, plate count, and cloth grade, and quote a complete line including feed pump and conveyor if needed.

Request a Chamber Press Quotation
Send Your Sludge Sample for a Bench Test

Quotation in 1–2 working days · bench test result in 5· factory acceptance test video before shipment


Need a Proposal for Your Dewatering Project?

Our engineers reply with a sizing recommendation and quotation within 24–48 hours.

Need detailed specs? 

Use our full RFQ →
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