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Large Filter Holders

Large pressure filter holders are ideal for filtering gasses or liquids (1-20+ liters). These stainless steel in-line filter holders are available in 47, 90, 142, and 293 mm diameters. Models with media reservoirs are also available. 

Designed for batch or continuous filtration pressure-driven processes, the design of these holders minimizes resistance and maximizes flow. Holders with reservoirs are optimal for filtering small batches of liquid without separate pressure vessel, while multimedia holders use dual sealing system and enable use of multiple layers of filtration media. Large sanitary stainless steel large filter holders are non-threaded and can be completely disassembled for more thorough cleaning.

Features:

  • Available in 304 or 316 stainless steel
  • Allows user to seal the membrane by hand with tightening and locking wing nuts
  • Adaptable to a broad range of media thickness, up to 3 mm
  • Separate ports for pressurizing the reservoir and adding sample
  • Optional back pressure screen recommended for intermittent fill operations

Pressure Filtration Resources

SKUProduct Name Diameter (mm) Material Type Model Est Ship Price
KST 47, Lg. SS Holder with Reservoir (200ml), 47mm, 304 SS 17301500 KST 47, Lg. SS Holder with Reservoir (200ml), 47mm, 304 SS 47 304 Stainless Steel KST 47 5-7 days
$1,595.68
KST 90, Lg. SS Holder with Reservoir (750mL), 90mm, 304 SS 361600 KST 90, Lg. SS Holder with Reservoir (750mL), 90mm, 304 SS 90 304 Stainless Steel KST 90 5-7 days
$3,551.83
KST 90, Lg. SS Holder with Reservoir (750mL), 90mm, 316 SS 361700 KST 90, Lg. SS Holder with Reservoir (750mL), 90mm, 316 SS 90 316 Stainless Steel KST 90 3-4 weeks
$5,880.72
KST 142, Lg. SS Holder with Reservoir (1.5 L), 142mm, 304 SS 302300 KST 142, Lg. SS Holder with Reservoir (1.5 L), 142mm, 304 SS 142 304 Stainless Steel KST 142 5-7 days
$4,613.30
KST 142, SS Holder with Multimedia Filter Holder and 1.5L Reservoir, 304 SS 17302390 KST 142, SS Holder with Multimedia Filter Holder and 1.5L Reservoir, 304 SS 142 304 Stainless Steel 5-7 days
$4,930.55
KST 142, Lg. SS Holder with Reservoir (1.5 L), 142mm, 316 SS 302400 KST 142, Lg. SS Holder with Reservoir (1.5 L), 142mm, 316 SS 142 316 Stainless Steel KST 142 3-4 weeks
$6,458.60
KS 90, Lg. SS Holder, 90mm, 304 SS 300800 KS 90, Lg. SS Holder, 90mm, 304 SS 90 304 Stainless Steel KS 90 5-7 days
$1,898.44
KS 90, Lg. SS Holder, 90mm, 316 SS 300900 KS 90, Lg. SS Holder, 90mm, 316 SS 90 316 Stainless Steel KS 90 3-4 weeks
$2,469.96
KS 142, Lg. SS Holder, 142mm, 304 SS 17301900 KS 142, Lg. SS Holder, 142mm, 304 SS 142 304 Stainless Steel KS 142 5-7 days
$2,575.55
KS 142, Lg. SS Holder, 142mm, 316 SS 302000 KS 142, Lg. SS Holder, 142mm, 316 SS 142 316 Stainless Steel KS 142 3-4 weeks
$4,021.31
KS 293, Lg. SS Holder, 293mm, 304 SS 302500 KS 293, Lg. SS Holder, 293mm, 304 SS 293 304 Stainless Steel KS 293 5-7 days
$6,409.63
KS 293, Lg. SS Holder, 293mm, 316 SS 302600 KS 293, Lg. SS Holder, 293mm, 316 SS 293 316 Stainless Steel KS 293 3-4 weeks
$8,328.44
KS 90 ST, Lg. Sanitary SS Holder, 90mm, 316 SS 351800 KS 90 ST, Lg. Sanitary SS Holder, 90mm, 316 SS 90 316 Stainless Steel KS 90 ST 3-4 weeks
$2,939.88
KS 142 ST, Lg. Sanitary SS Holder, 142mm, 304 SS 17302100 KS 142 ST, Lg. Sanitary SS Holder, 142mm, 304 SS 142 316 Stainless Steel KS 142 ST 5-7 days
$3,012.23
KS 142 ST, Lg. Sanitary SS Holder, 316 SS 302200 KS 142 ST, Lg. Sanitary SS Holder, 316 SS 142 316 Stainless Steel KS 142 ST 3-4 weeks
$4,899.07
KS 293 ST, Lg. Sanitary SS Holder, 293mm, 304 SS 302700 KS 293 ST, Lg. Sanitary SS Holder, 293mm, 304 SS 293 304 Stainless Steel KS 293 ST 5-7 days
$7,079.53
KS 293 ST, Lg. Sanitary SS Holder, 293mm, 316 SS 302800 KS 293 ST, Lg. Sanitary SS Holder, 293mm, 316 SS 293 316 Stainless Steel KS 293 ST 3-4 weeks
$9,185.74
Multi-Media Pressure Sealing Holder, 90mm 301790 Multi-Media Pressure Sealing Holder, 90mm 90 304 Stainless Steel 5-7 days
$2,189.80
Multi-Media Pressure Sealing Holder, 142mm 17301990 Multi-Media Pressure Sealing Holder, 142mm 142 304 Stainless Steel 3-4 weeks
$3,637.71
Multi-Media Pressure Sealing Holder, 293mm 302590 Multi-Media Pressure Sealing Holder, 293mm 293 304 Stainless Steel 3-4 weeks
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Accessory

SKUProduct Name Size (mm) Price
Valve (316 SS), KST 90 (90mm), KST 142 (142mm), Filter Holder with Reservoir 361625 Valve (316 SS), KST 90 (90mm), KST 142 (142mm), Filter Holder with Reservoir 90
$103.77
Inlet cap gasket (FPM), KST 47 (47mm), Filter Holder with Reservoir 306110 Inlet cap gasket (FPM), KST 47 (47mm), Filter Holder with Reservoir 47
$27.10
Inlet cap gasket PTFE, KST 47 (47mm) 306109 Inlet cap gasket PTFE, KST 47 (47mm) 47
$27.37
Inlet cap gasket/O-ring (silicone), KST 47 (47mm) 306108 Inlet cap gasket/O-ring (silicone), KST 47 (47mm) 47
$8.94
Clamp 1.5TC 304SS 306000 Clamp 1.5TC 304SS 47
$87.26
316 Stainless Steel Flow Deflector 302808 316 Stainless Steel Flow Deflector 293
$105.88
Support Screen 316SS 302635 Support Screen 316SS 293
$1,247.99
293mm Stainless Steel Filter Holder Replacement Stainless Steel PTFE Coated Support Screen 302604 293mm Stainless Steel Filter Holder Replacement Stainless Steel PTFE Coated Support Screen 293
$1,497.44
Underdrain Support 316SS 302602 Underdrain Support 316SS 293
$1,456.55
Back Pressure Support Screen PTFE Coated 302533 Back Pressure Support Screen PTFE Coated 293
$538.34
Back Pressure Support Screen PTFE Coated 302531 Back Pressure Support Screen PTFE Coated 293
$1,247.98
Washer, 293MM Leg 302518 Washer, 293MM Leg 293
$17.53
Phillip Nut, Clamp Assembly 293mm 19302514 Phillip Nut, Clamp Assembly 293mm 293
$101.78
Viton O-ring for 293mm Holders 302507 Viton O-ring for 293mm Holders 293
$224.65
Encapsulated FEP O-ring for 293mm 302506 Encapsulated FEP O-ring for 293mm 293
$107.16
316SS Adapter 1.5TC-14.3mm Barb 306204 316SS Adapter 1.5TC-14.3mm Barb
$389.73
Inlet cap gasket/O-ring (silicone), KST 142 (142mm) 19302309 Inlet cap gasket/O-ring (silicone), KST 142 (142mm) 142
$27.46
Inlet adapter (316 SS), KST 90 (90mm), KST 142 (142mm), Filter Holder with Reservoir 361624 Inlet adapter (316 SS), KST 90 (90mm), KST 142 (142mm), Filter Holder with Reservoir 90
$75.62
Valve (304 SS), KST 90 (90mm), KST 142 (142mm), Filter Holder with Reservoir 351625 Valve (304 SS), KST 90 (90mm), KST 142 (142mm), Filter Holder with Reservoir 90
$252.82
Inlet cap O-ring (FEP-encapsulated silicone), KST 90 (90mm), Filter Holder with Reservoir 302328 Inlet cap O-ring (FEP-encapsulated silicone), KST 90 (90mm), Filter Holder with Reservoir 90
$34.52
Inlet Cap, KST 90 (90mm), Filter Holder with Reservoir 301610 Inlet Cap, KST 90 (90mm), Filter Holder with Reservoir 90
$162.78
Underdrain support (316 SS), KST 47 (47mm), Filter Holder with Reservoir 301517 Underdrain support (316 SS), KST 47 (47mm), Filter Holder with Reservoir 47
$62.99
Outlet adapter (NPTF to hose barb), KST 47 (47mm), Filter Holder with Reservoir 301515 Outlet adapter (NPTF to hose barb), KST 47 (47mm), Filter Holder with Reservoir 47
$54.31
Sealing washer, KST 47 (47mm), Filter Holder with Reservoir 301514 Sealing washer, KST 47 (47mm), Filter Holder with Reservoir 47
$2.00
Wing-type nut, KST 47 (47mm), Filter Holder with Reservoir 301513 Wing-type nut, KST 47 (47mm), Filter Holder with Reservoir 47
$14.65
Wing-type bolt, KST 47 (47mm), Filter Holder with Reservoir 301512 Wing-type bolt, KST 47 (47mm), Filter Holder with Reservoir 47
$41.35
Guide pins, KST 47 (47mm), Filter Holder with Reservoir 301511 Guide pins, KST 47 (47mm), Filter Holder with Reservoir 47
$4.48
O-ring (FPM), KST 47 (47mm), Filter Holder with Reservoir 301506 O-ring (FPM), KST 47 (47mm), Filter Holder with Reservoir 47
$19.36
O-ring PTFE, KST 47 (47mm), Filter Holder with Reservoir 301505 O-ring PTFE, KST 47 (47mm), Filter Holder with Reservoir 47
$24.89
Reservoir (316 SS), KST 142 (142mm), Filter Holder with Reservoir 302408 Reservoir (316 SS), KST 142 (142mm), Filter Holder with Reservoir 142
$2,369.84
Inlet Cap, KST 142 (142mm), Filter Holder with Reservoir 302310 Inlet Cap, KST 142 (142mm), Filter Holder with Reservoir 142
$229.70
Silicone O-ring for KS 293 302505 Silicone O-ring for KS 293 293
$119.91
Inlet cap gasket/O-ring (silicone), KST 90 (90mm), Filter Holder with Reservoir 301609 Inlet cap gasket/O-ring (silicone), KST 90 (90mm), Filter Holder with Reservoir 90
$20.46
Gasket PTFE, KST 142 (142mm) 301903 Gasket PTFE, KST 142 (142mm) 142
$349.53
Outlet plate (304 SS), KST 142 (142mm), 3/4 301901 Outlet plate (304 SS), KST 142 (142mm), 3/4" NPTF Outlet 142
$1,148.07
Flow Deflector 316SS 301808 Flow Deflector 316SS
$110.25
Support screen (PTFE coated SS), KST 90 (90mm) 301804 Support screen (PTFE coated SS), KST 90 (90mm) 90
$599.01
Underdrain support (316 SS), KST 90 (90mm) 301802 Underdrain support (316 SS), KST 90 (90mm) 90
$338.56
Back pressure support screen (PTFE coated 304 SS), KST 90 (90mm) 301727 Back pressure support screen (PTFE coated 304 SS), KST 90 (90mm) 90
$499.25
Back pressure support screen (304 SS), KST 90 (90mm), KS90 301726 Back pressure support screen (304 SS), KST 90 (90mm), KS90 90
$324.55
Sealing bolt (leg), KST 90 (90mm), KST 142 (142mm) 301718 Sealing bolt (leg), KST 90 (90mm), KST 142 (142mm) 90
$20.01
O-ring (FPM), KST 90 (90mm), Filter Holder with Reservoir, 2/PK 301707 O-ring (FPM), KST 90 (90mm), Filter Holder with Reservoir, 2/PK 90
$59.95
O-ring (FEP-encapsulated silicone), KST 90 (90mm) 301706 O-ring (FEP-encapsulated silicone), KST 90 (90mm) 90
$80.10
O-ring (silicone), KST 90 (90mm), KS 90, 2/pk 19301705 O-ring (silicone), KST 90 (90mm), KS 90, 2/pk 90
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Gasket PTFE, KST 90 (90mm) 301703 Gasket PTFE, KST 90 (90mm) 90
$154.79
Outlet adapter (NPTF to hose barb), KST 142 (142mm), 3/4 300917 Outlet adapter (NPTF to hose barb), KST 142 (142mm), 3/4" NPTF - 3/8" Barb 142
$166.40
Adapter, 3/4IN M-3/8IN Barb, 316SS 300913 Adapter, 3/4IN M-3/8IN Barb, 316SS
$166.40
O-ring (silicone), KST 142 (142mm) 301905TF O-ring (silicone), KST 142 (142mm) 142
$54.77
O-ring (FEP-encapsulated silicone), KST 142 (142mm) 301906 O-ring (FEP-encapsulated silicone), KST 142 (142mm) 142
$49.91
PTFE Gasket 293mm 302503 PTFE Gasket 293mm 293
$773.67
Inlet Plate for 302200 302209 Inlet Plate for 302200 142
$775.54
Flow Deflector 316SS KS90ST 302208 Flow Deflector 316SS KS90ST 90
$90.74
Filter Support 316SS 142mm 302035 Filter Support 316SS 142mm 142
$848.61
Inlet Plate 142mm 316SS 3/4IN NPTF 302009 Inlet Plate 142mm 316SS 3/4IN NPTF 142
$645.92
Support screen (PTFE coated SS), KST 142 (142mm) 302004 Support screen (PTFE coated SS), KST 142 (142mm) 142
$1,048.29
Underdrain support (316 SS), KST 142 (142mm) 302002 Underdrain support (316 SS), KST 142 (142mm) 142
$472.40
Back pressure support screen (PTFE coated 316 SS), KST 142 (142mm), Filter Holder with Reservoir 301929 Back pressure support screen (PTFE coated 316 SS), KST 142 (142mm), Filter Holder with Reservoir 142
$1,161.42
Back pressure support screen (316 SS), KST 142 (142mm), Filter Holder with Reservoir 301928 Back pressure support screen (316 SS), KST 142 (142mm), Filter Holder with Reservoir 142
$961.19
O-ring (FPM), KST 142 (142mm), Filter Holder with Reservoir 301907 O-ring (FPM), KST 142 (142mm), Filter Holder with Reservoir 142
$174.06
Inlet Plate KS142 304SS 301909 Inlet Plate KS142 304SS 142
$736.94
Wing-type bolt, KST 90 (90mm), KST 142 (142mm) 301915 Wing-type bolt, KST 90 (90mm), KST 142 (142mm) 90
$74.92
Spanner (wrench), 142 mm 301922 Spanner (wrench), 142 mm
$74.92
Back pressure support screen (304 SS), KST 142 (142mm) 301926 Back pressure support screen (304 SS), KST 142 (142mm) 142
$618.42
Back pressure support screen (PTFE coated 304 SS), KST 142 (142mm) 301927 Back pressure support screen (PTFE coated 304 SS), KST 142 (142mm) 142
$898.55

Applications

  • In-line gas or liquid filtration
  • Ultraclean or sterilize gas or liquids
  • Flow decay tests for pilot studies
  • Hazardous toxicity testing and TCLP
 
 
 
 

Specifications

 

KS 90
KS 90 ST

KS 142
KS 142 ST

KS 293
KS 293 ST

KS 90 UH

KS 142 UH

KS 293 UH

KST 47

KST 90

KST 142

Filter size (mm)

90

142

293

90

142

293

47

90

142

Body

304 or 316 stainless steel

304 or 316 stainless steel

304 or 316 stainless steel

304 stainless steel

304 stainless steel

304 stainless steel

304 SS

304 or 316 stainless steel

304 or 316 stainless steel

O-ring & Gasket

Silicone and PTFE

Silicone and PTFE

Silicone and PTFE

Silicone

Silicone

Silicone

Silicone and PTFE

Silicone and PTFE

Silicone and PTFE

Inlet/Outlet

 ¾” NPTF and NPTM
to 3/8” hose barb

(ST Models: 1.5" Sanitary
fitting to 14.3 mm hose barb)		 ¾” NPTF and NPTM
to 3/8” hose barb

(ST Models: 1.5" Sanitary
fitting to 14.3 mm hose barb)

¾” NPTF and NPTM to 5/8” hose barb

¾” NPTF and NPTM with 11 mm hose barb adapter

¾” NPTF and NPTM with 11 mm hose barb adapter

¾” NPTF and NPTM with 16 mm hose barb adapter

¼” NPTM with 11 mm hose barb adapter

¼” NPTM w/ ball valve stepped
(7, 10.5, 13 mm)
hose barb adapter


¼” NPTM with 11 mm
hose barb adapter

¼” NPTM w/ ball valve stepped
(7, 10.5, 13 mm)
hose barb adapter


¼” NPTM with 11 mm
hose barb adapter

Max Pressure Inlet (psi)

99

99

99

99

99

99

71

71

71

Max Pressure Diff. (psi)

<42

<42

<42

<42

<42

<42

<42

<42

<42

Filtration Area (cm2)

45.3

113

530

45.3

113

530

12.5

43

113

Documentation

Large Pressure Filter Holder Large Pressure Filter Holder

Selection Tool

diameter Diameter (mm)
Material Type

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