Standard Horizontal Plate Filter

Sparkler® Legacy Horizontal Plate Filter (HPF)

Introducing the Sparkler® Standard Flow Horizontal Plate Filter (HPF)—our flagship filtration solution is internationally renowned for its versatility, efficiency, and cost-effectiveness. Designed to cater to a wide array of industrial applications, the Standard Flow HPF is the preferred choice for processes requiring reliable, repeatable and efficient filtration.

Key Features

Designed with multiple horizontal filter plates, the Standard Flow HPF significantly increases filter area and cake capacity, ensuring optimal performance and minimal footprint across various applications.

Enhanced Filtration Capacity

Offering a broad range of materials of construction— including Stainless Steel, Hastelloy, Carbon Steel, rubber lining and more—the HPF and filters media can be tailored to meet specific process requirements and chemical compatibility.

Customizable Options

Ideal for batch-type filtration processes, this filter maintains maximum cake stability, remaining unaffected start and stop or process flow variations.

Versatility

Designed for quick cleaning and re-dressing, downtime is minimized to approximately 15-45 minutes for smaller models and 30-60 minutes for larger units. Optional spare cartridges and bottom equipment are available to further reduce maintenance time.

Efficient Cleaning and Maintenance

Photo Gallery

Simple Operation

Filter:

1. Filter Cover
2. Filter Tank
3. Filter Mounting (Portable Optional)

Filter Cartridge:

4. Filter Plates
5. Top Compression/Lift plate
6. Media
7. Scavenger Plate (Optional)

Compression Hardware:

8. Swing Bolt Closure
9. Side Tie Rod
10. Center Tie Rod
11. Compression Cap
12. Tie Rod Socket

Miscellaneous:

13. Cover Gasket
14. Tie Rod Socket Gasket
15. Outlet Gasket
16. Air Vent
17. Pressure Gauge

Ports:

18. Inlet
19. Outlet
20. Drain
21. Scavenger Outlet

1. Precoat tank
2. Feed in
3. Feed/Precoat Pump
4. Outlet pressure gauge
5. Scavenger outlet
6. Filter
7. Outlet
8. Tank drain
9. Body feed pump
10. Inlet
11. Vent
12. Air/Gas inlet
13. Inlet pressure gauge
14. Body feed tank
15. Filtrate out

With over 20,000 Sparkler® Horizontal Plate Filters in operation worldwide, our filters have been tested and proven across thousands of unique applications. Standard Flow HPF’s versatility enables it to excel in chemical processing, food and beverage, contract manufacturing/tolling, precious metal recovery and pharmaceutical industries.

This filter is particularly well-suited for processes involving diatomaceous earth (DE) and activated carbon , achieving ultrafine filtration with micron efficiencies below 1 micron. In nearly all liquid/solid applications requiring 0.01–100 micron filtration and ~0.001–20% solids, the Standard Flow HPF delivers unmatched consistency, high-performance separation, and the lowest operating cost of any filtration technology. It’s the proven, dependable choice trusted across industries.
Curious if we’ve handled your specific application? With decades of expertise, the answer is almost always “yes.” Contact us today to discuss how the Standard Flow HPF can alleviate your separation anxiety.

Sizes : Available in standard diameters of 8″, 14″, 18″, 33″, and 44″, with customization options to fit specific application needs.
Filter Media Compatibility : Accommodates various filter media, including filter paper, synthetic materials such as polypropylene, wire mesh, and membrane filter media.
Specification Options : Include cake capacity, filter area, flow rate, filter media, design pressure, differential pressure, and more. Click here for a complete description of specifications and options.

Click here for detailed guidance and expert tips on planning single-filter projects — including auxiliary equipment, system configuration, and cost-saving insights. For multi-filter or continuous operation setups, Click here to explore additional solutions.

Diameter Group	Sparkler Model	Filter Area (FT²)	Cake Capacity (FT³)	Weight Cartridge Only (lbs)		Tank Volume, No Cartridge (US Gallons)		Tank Volume, Cartridge Inserted (US Gallons)
Diameter Group	Sparkler Model	Filter Area (FT²)	Cake Capacity (FT³)	With Scavenger	Outlet Only	With Scavenger	Outlet Only	With Scavenger	Outlet Only
8" Diameter	8-3	1	0.073	16.75
8" Diameter	8-6	2	0.146	24		3.75		3.375
14" Diameter	14-S-4	3.56	0.131	53	41	10.5	13	9.5	12.375
14" Diameter	14-S-7	6.23	0.229	72	60	10.5	13	9.375	12
14" Diameter	14-D-4	3.52	0.445	68	55	10.5	13	9.5	12.125
18" Diameter	18-XS-6	9.66	0.094	108	89	19.125	24.125	17.5	22.75
18" Diameter	18-XS-11	17.82	0.172	157	139	19.125	24.125	16.75	22
18" Diameter	18-XS-17	27.54	0.266	217	199	30	35	26.75	32
18" Diameter	18-XS-24	38.88	0.375	287	269	30	35	25.75	31
18" Diameter	18-XS-36	58.32	0.91	407	389	41	46	34.75	40
18" Diameter	18-S-4	6.48	0.237	93	75	19.125	24.125	17.75	23

U.S. Imperial

Sparkler Model	Filter Area (Sq. Ft.)	Cake Capacity (Cu. Ft.)
8-3	1	0.073
8-6	2	0.146
14-S-4	3.56	0.131
14-S-7	6.23	0.229
14-D-4	3.52	0.445
18-XS-6	9.66	0.094
18-XS-11	17.82	0.172
18-XS-17	27.54	0.266
18-XS-24	38.88	0.375
18-XS-36	58.32	0.91
18-S-4	6.48	0.237
18-S-7	11.34	0.414
18-S-11	17.82	0.651
18-S-15	24.3	0.887
18-S-23	37.26	1.36
18-S-30	48.6	1.774
18-D-4	6.44	0.776
18-D-6	9.66	1.164
18-D-8	12.88	1.552
18-D-12	19.32	2.328
18-D-16	25.76	3.104
18-XD-4	6.48	1.849
18-XD-6	9.66	2.768
18-XD-8	12.88	3.69
33-XS-10	56.3	1.173
33-XS-13	73.19	1.525
33-XS-16	90.08	1.877
33-XS-21	118.23	2.463
33-XS-29	163.27	3.401
33-XS-42	236.46	4.926
33-S-7	39.41	2.46
33-S-9	50.57	3.17
33-S-11	61.93	3.87
33-S-14	78.82	4.93
33-S-19	107	6.68
33-S-28	157.64	9.85
33-D-7	39.27	5.84
33-D-9	50.49	7.5
33-D-12	67.32	10
33-D-17	95.37	14.17

SI Metric

Sparkler Model	Filter Area (m²)	Cake Capacity (m³)
8-3	0.093	0.0021
8-6	0.186	0.0041
14-S-4	0.331	0.0037
14-S-7	0.579	0.0065
14-D-4	0.327	0.0126
18-XS-6	0.897	0.0027
18-XS-11	1.656	0.0049
18-XS-17	2.558	0.0075
18-XS-24	3.612	0.0106
18-XS-36	5.418	0.0258
18-S-4	0.602	0.0067
18-S-7	1.054	0.0117
18-S-11	1.656	0.0184
18-S-15	2.258	0.0251
18-S-23	3.462	0.0385
18-S-30	4.515	0.0502
18-D-4	0.598	0.022
18-D-6	0.897	0.033
18-D-8	1.197	0.0439
18-D-12	1.795	0.0659
18-D-16	2.393	0.0879
18-XD-4	0.602	0.0524
18-XD-6	0.897	0.0784
18-XD-8	1.197	0.1045
33-XS-10	5.23	0.0332
33-XS-13	6.8	0.0432
33-XS-16	8.369	0.0532
33-XS-21	10.984	0.0697
33-XS-29	15.168	0.0963
33-XS-42	21.968	0.1395
33-S-7	3.661	0.0697
33-S-9	4.698	0.0898
33-S-11	5.753	0.1096
33-S-14	7.323	0.1396
33-S-19	9.941	0.1892
33-S-28	14.645	0.2789
33-D-7	3.648	0.1654
33-D-9	4.691	0.2124
33-D-12	6.254	0.2832
33-D-17	8.86	0.4012

Experience the reliability and efficiency of the original Sparkler® Filter—the trusted workhorse in over 20,000 applications worldwide.

Why Choose Sparkler® Filters?

Experience the reliability and efficiency of the original Sparkler® Filter—the trusted workhorse in over 20,000 applications worldwide.

With nearly a century of expertise in manufacturing liquid filtration equipment, Sparkler® Filters is dedicated to delivering tailored solutions to your specific needs. The Legacy Sparkler Filter exemplifies our commitment to reliability, quality, and repeatable performance — making it the trusted choice in industrial filtration processes.

For assistance in selecting the appropriate filter type or to discuss customization options for your application, please fill out our Application Data Sheet or Contact us directly at (936) 756-4471 . Our team of experts are ready to provide the support and solutions you need.