Rental, Surplus & Rebuilt Water Treatment Equipment

M.W. Watermark equipment can be a huge asset to your company. We offer used and rebuilt filter presses and polymer blenders as well as new, custom-designed and stock filter presses and clarifiers. Much of our new equipment is kept in-stock and ready for a quick ship. Our experience within the field of solid-liquid separation is anchored in superior reliability, durability, and ease of use.

From metal finishing and mining to chemical processing, car washes, and various industries in between, our products are built to withstand daily use, while providing stellar, steady results.

Need feed pumpstanks or an electrical control cabinet? M.W. Watermark can supply everything you need for a complete wastewater treatment system.

Benefits of Rebuilt Equipment

Businesses today must operate at high efficiency while keeping costs low. Our rebuilt equipment will allow you to achieve dependable results while maintaining a reasonable budget. We handle all refurbishments in-house. Additionally, each piece of our re-manufactured equipment undergoes a comprehensive quality control check under the watchful eyes of M.W. Watermark’s skilled professionals.

We perform the following work when rebuilding used filter presses:

  • Complete any needed structural repairs
  • Overhaul hydraulic and mechanical systems
  • Power wash filter plates
  • Replace all filter cloths and gaskets with new parts
  • Sand-blast and repaint for a clean, professional appearance

In-Stock Equipment

Below on this page is a listing of currently available models. Each is held in our inventory and is ready to ship quickly. Custom built options are also available. Contact us today to work through the important information needed to find the right wastewater treatment equipment for your particular application.

M.W. Watermark offers equipment rentals on select models of 250mm and 320mm pilot filter presses, Slant Plate Clarifiers (SPC), Dissolved Air Flotation Clarifiers (DAF), and Oil Coalescing Separators (OCS).

We also offer rentals on trailer-mounted presses as well as rebuilt and new stock filter presses.

Customer satisfaction is our top priority, and we guarantee to offer prompt service in every transaction. Start your experience with M.W. Watermark today by filling out our online contact form.

 M.W. Watermark Dissolved Air Flotation Clarifier - DAF-50 (DAF00028) #DAF00028 M.W. Watermark Dissolved Air Flotation Clarifier (DAF) – DAF-50
Design Flow Rate: Up to 100 GPM; Material: 304 Stainless-Steel; Flotation Area: 50ft2
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark Dissolved Air Flotation Clarifier (DAF); DAF-30 #DAF00025 M.W. Watermark Dissolved Air Flotation Clarifier (DAF) – DAF-30
Used on Rental; Design Flow Rate: Up to 60 GPM; Material: 304 Stainless-Steel; Flotation Area: 30ft2
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark Oil Coalescing Separator; Oil Water Separator; OCS; OWS #OCS00050 M.W. Watermark Oil Coalescing Separator (OCS) – OCS-50
Design Flow Rate: Up to 50 GPM; Material: 304 Stainless-Steel
Available for rental or purchase – CLICK FOR MORE INFO
#FP00394 M.W. Watermark Pilot Press #FP00067 M.W. Watermark Pilot Press:
#FP00067 Used on rental, M.W. Watermark pilot press, 250mm, .2 ft3, 7 nongasketed filter plates and cloths, PVC manifold.
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark Dissolved Air Flotation Clarifier, DAF-30 (DAF00027) #DAF00027 M.W. Watermark Dissolved Air Flotation Clarifier (DAF) – DAF-30
Design Flow Rate: Up to 60 GPM; Material: 304 Stainless-Steel; Flotation Area: 30ft2
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark #RE00208 Rental Trailer Press - Used and rebuilt Hoesch filter press on trailer, 1200mm, 100 cubic foot, non-gasketed filter plates and cloths #RE00208 – Used and Rebuilt Hoesch 1200mm Trailer Press, 100 ft3:
OUT ON RENTAL

#RE00208 – Used and rebuilt Hoesch 1200mm filter press on trailer, 100 ft3, non-gasketed filter plates and cloths, new cloths to be installed based on customer spec.
CLICK FOR MORE INFO
M.W. Watermark 630mm Filter Press #FP00800 – NEW – M.W. Watermark 630mm Filter Press:
SOLD

#FP00800 – New M.W. Watermark 630mm filter press, 2 expandable to 3 ft3, semi-automatic plate shifter, gasketed plates and cloths, AOD feed pump mounted on shelf, Automatic Feed Pump Control System (AFPCS), PVC manifold: air-blow, even-fill, manual valves.
CLICK FOR MORE INFO
M.W. Watermark Filter Press Platform. Fits a 1200mm filter press. NEW – Elevated Platform Designed for a 1200mm, 60 cuft Filter Press:
New M.W. Watermark elevated platform. EnduroLiner coated carbon steel with FRP grating. Designed for a 1200mm filter press. PLATFORM ONLY – DOES NOT INCLUDE FILTER PRESS.
Available for purchase – CLICK FOR MORE INFO
M.W. Watermark-RE00192--Used-Filter-Press-Von-Roll #RE00192 – Used and Rebuilt Filter Press, Von Roll, 192 ft3:
#RE00192 – Used and rebuilt Von Roll filter press, 1500mm, 192 ft3, 98 non-gasketed filter plates and cloths, new electric hydraulics and PVC manifold. New cloths to be installed based on customer spec.
Available for rental or purchase – CLICK FOR MORE INFO
placeholder #RE00164 – Used and Rebuilt Hoesch 1200mm Filter Press, 50 ft3:
#RE00164 – Used and rebuilt Hoesch 1200mm filter press, 50 ft3, 43 non-gasketed filter plates and cloths, new electro-hydraulics with controls. New manifold and filter cloths included – materials of construction TBD based on application.
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark Used and Rebuilt JWI 800mm Filter Press, 7.5 cuft #RE00212 – Used and Rebuilt JWI 800mm Filter Press, 7.5 ft3:
OUT ON RENTAL
#RE00212 – Used and Rebuilt JWI 800mm filter press, 7.5 ft3, gasketed filter plates and cloths, air hydraulics, new semi-automatic plate shifter, new PVC manifold: air blow-down, even-fill. New cloths to be installed based on customer spec.
CLICK FOR MORE INFO
M.W. Watermark - 470mm Filter Press New M.W. Watermark Filter Press 470mm, 1 exp. 2 ft3 :
Stock Press – Please Contact Us for Current Availability
New M.W. Watermark filter press, 470mm, 1 exp. 2 ft3, 8 gasketed filter plates & cloths, manual hydraulics, PVC manifold, rental or purchase.
CLICK FOR MORE INFO
#FP00643 New M.W. Watermark filter press New M.W. Watermark Filter Press 630mm, 5 exp. 10 ft3 :
Stock Press – Please Contact Us for Current Availability
New M.W. Watermark filter press, 630mm, 5 exp. to 10 ft3, 33 gasketed filter plates and cloths, air hydraulic, PVC manifold, rental or purchase.
CLICK FOR MORE INFO
M.W. Watermark Used and Rebuilt Parkson/Lanco 800mm Filter Press, 10 cuft #RE00213 – Used and Rebuilt Parkson/Lanco 800mm Filter Press, 10 ft3:
#RE00213 – Used and Rebuilt Parkson/Lanco 800mm filter press, 10 ft3, gasketed filter plates and cloths, air hydraulics, semi-automatic plate shifter, new PVC manifold: air blow-down, even-fill. New cloths to be installed based on customer spec.
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark - 800mm Filter Press New M.W. Watermark Filter Press 800mm, 20 ft3:
Stock Press – Please Contact Us for Current Availability
New M.W. Watermark filter press, 800mm, 20 ft3, Gasketed Plates and Filter Cloths, Air-over-Hydraulic, Semi-Automatic Plate Shifter, rental or purchase.
CLICK FOR MORE INFO
M.W. Watermark - SPC-20 Inclined Plate Clarifier New M.W. Watermark SPC-20 (Inclined Plate Clarifier)
Stock Item – Please Contact Us for Current Availability
20 GPM – rental or purchase.
CLICK FOR MORE INFO
M.W. Watermark Used and Rebuilt JWI 630mm Filter Press, 6 cuft #RE00221 – Used and Rebuilt Filter Press – JWI 630mm, 6 ft3:
SOLD
#RE00221 – Used and rebuilt JWI 630mm filter press, 6 ft3, gasketed filter plates and cloths, air hydraulics, new PVC manifold: air blow-down, even-fill. New cloths to be installed based on customer spec.
CLICK FOR MORE INFO
M.W. Watermark 320mm Pilot Filter Press New M.W. Watermark Pilot Filter Press, 320mm, 0.3 ft3
Stock Press – Please Contact Us for Current Availability
New M.W. Watermark pilot filter press, 320mm, 0.3 ft3, gasketed filter plates & cloths, manual hydraulics & plate shifting, PVC manifold, skid mounted, feed pump, rental or purchase.
CLICK FOR MORE INFO
M.W. Watermark Used and Rebuilt Perrin 1200mm Filter Press, 66 cuft #RE00205 – Used and Rebuilt Perrin 1200mm Filter Press, 66 ft3:
#RE00205 1200mm used and rebuilt Perrin filter press, 66 ft3, gasketed filter plates and cloths, air hydraulics, semi-automatic plate shifter, drip trays. Filter cloths and manifold to be installed based on customer specification.
Available for rental or purchase – CLICK FOR MORE INFO
IMG_4936_Edited #RE00211 – Used and Rebuilt Durco 1000mm Filter Press, 42 ft3:
#RE00211 – Used and rebuilt Durco 1000mm filter press, 42 ft3, non-gasketed filter plates and cloths, air hydraulics. New cloths and manifold included – to be installed based on customer spec. Plate shifter can be added.
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark Used and Rebuilt JWI 800mm Filter Press, 8 cuft #RE00214 – Used and Rebuilt JWI 800mm Filter Press, 8 ft3:
#RE00214 – Used and Rebuilt JWI 800mm filter press, 8 ft3, non-gasketed filter plates and cloths, air hydraulics, new PVC manifold: air blow-down, even-fill. New cloths to be installed based on customer spec.
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark Rebuilt JWI 630mm Filter Press - RE00220 #RE00220 Used and Rebuilt JWI 630mm Filter Press:
SOLD

#RE00220: Used and rebuilt JWI 630mm filter press, gasketed filter plates and cloths, air hydraulics, expansion piece, PVC manifold, new cloths to be installed based on customer specification.
Siemens PolyBlend #RE00223 – Used and Rebuilt PolyBlend PB16-1:
#RE00223 – Used and rebuilt Siemens PolyBlend PB16-1
Available for rental or purchase – CLICK FOR MORE INFO
#RE00173 – Used and Rebuilt PolyBlend M-Lo:
#RE00173 – Used and rebuilt Siemens PolyBlend M-Lo series
Available for rental or purchase – CLICK FOR MORE INFO
FP00454 #FP00454 M.W. Watermark Filter Press:
SOLD
#FP00454 New in 2012, M.W. Watermark membrane squeeze testing press, includes high pressure manual hydraulics.
CLICK FOR MORE INFO
#RE00186 #RE00186 – Rebuilt Shriver Filter Press:
SOLD
#RE00186 Rebuilt Shriver Air/Hydraulic, 1000mm, 30 ft3, Non-Gasketed Filter Plates and Filter Cloths, PVC Manifold.
CLICK FOR MORE INFO
#RE00185 #RE00185 – Rebuilt Met-Chem 800mm, 30 ft3 Filter Press:
SOLD

#RE00185 Rebuilt Met-Chem Air/Hydraulic, 800mm, 30 ft3, Non-Gasketed Filter Plates and Filter Cloths, PVC Manifold. Used on rental.
CLICK FOR MORE INFO
#RE00184 #RE00184 – Rebuilt Met-Chem 800mm, 30 ft3 Filter Press:
#RE00184 Rebuilt Met-Chem Air/Hydraulic, 800mm, 30 ft3, Non-Gasketed Filter Plates and Filter Cloths, PVC Manifold.
Available for rental or purchase – CLICK FOR MORE INFO
#FP00512 #FP00512 New M.W. Watermark Filter Press:
SOLD
#FP00512 New M.W. Watermark filter press, 470mm, 1 exp. 2 ft3, 8 gasketed filter plates & cloths, manual hydraulics, PVC manifold.
CLICK FOR MORE INFO
#FP00510 #FP00510 New M.W. Watermark Filter Press:
SOLD
#FP00510 New M.W. Watermark filter press, 630mm, 5 exp. to 10 ft3, 33 gasketed filter plates and cloths, air hydraulic, PVC manifold.
CLICK FOR MORE INFO
FP00290 #FP00290 M.W. Watermark Pilot Press:
SOLD
#FP00290 New in 2012, used on rental, M.W. Watermark pilot press, 250mm, .2 ft3, 7 nongasketed filter plates and cloths, PVC manifold.
CLICK FOR MORE INFO
placeholder #PM00025 – M.W. Watermark PolyMark™ Polymer Blender:
SOLD
#PM00025 NEW IN 2013, MW WATERMARK Polymer Blender.
CLICK FOR MORE INFO
M.W. Watermark SPC-5 Inclined Plate Clarifier (SPC00105) #SPC00105 – M.W. Watermark SPC-5 (Inclined Plate Clarifier)
SPC00105 – M.W. Watermark SPC-5.
5 GPM – rental or purchase.
Available for rental or purchase – CLICK FOR MORE INFO
#RE00182 #RE00182 – Shriver Trailer Press:
SOLD – This unit has been retired from our rental fleet.
Portable Shriver 75 ft3 filter press, 53 non-gasketed plates, includes trailer.
CLICK FOR MORE INFO
#PM00032 #PM00032 – M.W. Watermark PolyMark™ Polymer Blender:
#PM00032 NEW IN 2013, MW WATERMARK Polymer Blender.
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark - Rebuilt JWI 630mm Filter Press #RE00178 – Rebuilt JWI Filter Press:
SOLD
#RE00178 – Rebuilt JWI Air/Hydraulic 630mm Press, 28 Gasketed plates, Manifold included.
FP00484 #FP00484 New M.W. Watermark Filter Press:
SOLD
#FP00484: NEW IN 2013, MW WATERMARK Manual Hydraulic 470mm, 1 expandable to 2 ft3, Gasketed Plates and Filter Cloths, PVC Manifold.
CLICK FOR MORE INFO
placeholder #SD22: JWI J120G Gas Continuous, SS Wet Scrubber:
SOLD
#SD22: JWI J120G Gas Continuous, SS Wet Scrubber
CLICK FOR MORE INFO
FP00068-M-W-Watermark-Pilot-Press #SD13: JWI J120E Electric Continuous, SS Wet Scrubber:
SOLD
#SD13: JWI J120E Electric Continuous, SS Wet Scrubber
CLICK FOR MORE INFO
placeholder #RE00081 Rebuilt JWI 1500mm, 171 ft3 Filter Press:
#RE00081 Used and rebuilt JWI 1500mm 171 ft3, non-gasketed filter plates and cloths, electric hydraulics, new cloths and manifold to be installed based on customer spec (twin to #RE00082).
Available for rental or purchase – CLICK FOR MORE INFO
placeholder #RE00082 Rebuilt JWI 1500mm, 171 ft3 Filter Press:
#RE00082 Used and rebuilt JWI 1500mm 171 ft3, non-gasketed filter plates and cloths, electric hydraulics, new cloths and manifold to be installed based on customer spec (twin to #RE00081).
Available for rental or purchase – CLICK FOR MORE INFO
#RE00080 Rebuilt Filter Press:
#RE00080 Shriver 32 ft3 Capacity Plate & Frame
Available for rental or purchase – CLICK FOR MORE INFO
M.W. Watermark - Rebuilt JWI 1000mm Filter Press #RE00079 Rebuilt JWI Filter Press:
SOLD
#RE00079 JWI 1000mm 64 ft3 capacity.
CLICK FOR MORE INFO
#FP89 Republic Stainless Steel Plate & Frame:
SOLD
#FP89 Republic 14″ Stainless Steel Plate & Frame 3 ft3, 24 chambers, Manual Closure.
CLICK FOR MORE INFO
FP00393 #FP00393 M.W. Watermark Pilot Press:
SOLD
FP00393: M.W. WATERMARK 250mm, 0.17 ft3 Pilot Press. Non-gasketed Plates and Filter Cloths, PVC Manifold.
CLICK FOR MORE INFO
FP00391 #FP00391 M.W. Watermark Filter Press:
SOLD
#FP00391: NEW IN 2012, used on rental, MW WATERMARK 800mm, 12 ft3, Gasketed Plates and Filter Cloths, PVC Manifold.
CLICK FOR MORE INFO
#FP00315 M.W. Watermark Filter Press:
SOLD
#FP00315: NEW IN 2012, used on Rental, MW WATERMARK Automatic Air/Hydraulic 800mm, 10 expandable to 15 ft3, Gasketed Plates and Filter Cloths, PVC Manifold.
CLICK FOR MORE INFO