Series 21 Mini In-Line Filters

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Series 21 Mini In-line filters are economical filters for test stands, meters, gauge protection, relief valves, pneumatics, hydraulics and much more.  Maximized surface area and strength made possible by precision pleated stainless steel wire mesh discs. Wire mesh and sintered metal media options with particulate removal efficiencies from 0.2 to 300 micron.  

Series 21 Mini In-Line Filters

We have an extensive cross reference for Norman Filters and 3B Filters.

Norman P/N Chase P/N  Housing  Element Inlet Outlet Absolute Flow Pressure
    Material Material Port Size Port Size Micron   PSI
                 
422XT-1PP 21-2P2P-10S 304SS 316SS 1/8 NPT-Female 1/8 NPT-Female 10 2 GPM / 60 SCFM 6,000
4210T-1PP 21-2P2P-25S 304SS 316SS 1/8 NPT-Female 1/8 NPT-Female 25 2 GPM / 60 SCFM 6,000
4275T-1PP 21-2P2P-100S 304SS 316SS 1/8 NPT-Female 1/8 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-2PP 21-4P4P-10S 304SS 316SS 1/4 NPT-Female 1/4 NPT-Female 10 2 GPM / 60 SCFM 6,000
4210T-2PP 21-4P4P-25S 304SS 316SS 1/4 NPT-Female 1/4 NPT-Female 25 2 GPM / 60 SCFM 6,000
4275T-2PP 21-4P4P-100S 304SS 316SS 1/4 NPT-Female 1/4 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-3PP 21-6P6P-10S 304SS 316SS 3/8 NPT-Female 3/8 NPT-Female 10 2 GPM / 60 SCFM 6,000
4210T-3PP 21-6P6P-25S 304SS 316SS 3/8 NPT-Female 3/8 NPT-Female 25 2 GPM / 60 SCFM 6,000
4275T-3PP 21-6P6P-100S 304SS 316SS 3/8 NPT-Female 3/8 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-4PP 21-8P8P-10S 304SS 316SS 1/2 NPT-Female 1/2 NPT-Female 10 4 GPM / 120 SCFM 3,000
4210T-4PP 21-8P8P-25S 304SS 316SS 1/2 NPT-Female 1/2 NPT-Female 25 4 GPM / 120 SCFM 3,000
4275T-4PP 21-8P8P-100S 304SS 316SS 1/2 NPT-Female 1/2 NPT-Female 100 4 GPM / 120 SCFM 3,000
422XT-6PP 21-12P12P-10S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Female 10 4 GPM / 120 SCFM 3,000
4210T-6PP 21-12P12P-25S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Female 25 4 GPM / 120 SCFM 3,000
4275T-6PP 21-12P12P-100S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-1MM 21-2N2N-10S 304SS 316SS 1/8 NPT-Male 1/8 NPT-Male 10 2 GPM / 60 SCFM 6,000
4210T-1MM 21-2N2N-25S 304SS 316SS 1/8 NPT-Male 1/8 NPT-Male 25 2 GPM / 60 SCFM 6,000
4275T-1MM 21-2N2N-100S 304SS 316SS 1/8 NPT-Male 1/8 NPT-Male 100 2 GPM / 60 SCFM 6,000
422XT-1PM 21-2P2N-10S 304SS 316SS 1/8 NPT-Female 1/8 NPT-Male 10 2 GPM / 60 SCFM 6,000
4210T-1PM 21-2P2N-25S 304SS 316SS 1/8 NPT-Female 1/8 NPT-Male 25 2 GPM / 60 SCFM 6,000
4275T-1PM 21-2P2N-100S 304SS 316SS 1/8 NPT-Female 1/8 NPT-Male 100 2 GPM / 60 SCFM 6,000
422XT-1MP 21-2N2P-10S 304SS 316SS 1/8 NPT-Male 1/8 NPT-Female 10 2 GPM / 60 SCFM 6,000
4210T-1MP 21-2N2P-25S 304SS 316SS 1/8 NPT-Male 1/8 NPT-Female 25 2 GPM / 60 SCFM 6,000
4275T-1MP 21-2N2P-100S 304SS 316SS 1/8 NPT-Male 1/8 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-2MM 21-4N4N-10S 304SS 316SS 1/4 NPT-Male 1/4 NPT-Male 10 2 GPM / 60 SCFM 6,000
4210T-2MM 21-4N4N-25S 304SS 316SS 1/4 NPT-Male 1/4 NPT-Male 25 2 GPM / 60 SCFM 6,000
4275T-2MM 21-4N4N-100S 304SS 316SS 1/4 NPT-Male 1/4 NPT-Male 100 2 GPM / 60 SCFM 6,000
422XT-2MP 21-4N4P-10S 304SS 316SS 1/4 NPT-Male 1/4 NPT-Female 10 2 GPM / 60 SCFM 6,000
4210T-2MP 21-4N4P-25S 304SS 316SS 1/4 NPT-Male 1/4 NPT-Female 25 2 GPM / 60 SCFM 6,000
4275T-2MP 21-4N4P-100S 304SS 316SS 1/4 NPT-Male 1/4 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-2PM 21-4P4N-10S 304SS 316SS 1/4 NPT-Female 1/4 NPT-Male 10 2 GPM / 60 SCFM 6,000
4210T-2PM 21-4P4N-25S 304SS 316SS 1/4 NPT-Female 1/4 NPT-Male 25 2 GPM / 60 SCFM 6,000
4275T-2PM 21-4P4N-100S 304SS 316SS 1/4 NPT-Female 1/4 NPT-Male 100 2 GPM / 60 SCFM 6,000
422XT-3MM 21-6N6N-10S 304SS 316SS 3/8 NPT-Male 3/8 NPT-Male 10 2 GPM / 60 SCFM 6,000
4210T-3MM 21-6N6N-25S 304SS 316SS 3/8 NPT-Male 3/8 NPT-Male 25 2 GPM / 60 SCFM 6,000
4275T-3MM 21-6N6N-100S 304SS 316SS 3/8 NPT-Male 3/8 NPT-Male 100 2 GPM / 60 SCFM 6,000
422XT-3MP 21-6N6P-10S 304SS 316SS 3/8 NPT-Female 3/8 NPT-Male 10 2 GPM / 60 SCFM 6,000
4210T-3MP 21-6N6P-25S 304SS 316SS 3/8 NPT-Female 3/8 NPT-Male 25 2 GPM / 60 SCFM 6,000
4275T-3MP 21-6N6P-100S 304SS 316SS 3/8 NPT-Female 3/8 NPT-Male 100 2 GPM / 60 SCFM 6,000
422XT-3PM 21-6P6N-10S 304SS 316SS 3/8 NPT-Male 3/8 NPT-Female 10 2 GPM / 60 SCFM 6,000
4210T-3PM 21-6P6N-25S 304SS 316SS 3/8 NPT-Male 3/8 NPT-Female 25 2 GPM / 60 SCFM 6,000
4275T-3PM 21-6P6N-100S 304SS 316SS 3/8 NPT-Male 3/8 NPT-Female 100 2 GPM / 60 SCFM 6,000
422XT-4MM 21-8N8N-10S 304SS 316SS 1/2 NPT-Male 1/2 NPT-Male 10 4 GPM / 120 SCFM 3,000
4210T-4MM 21-8N8N-25S 304SS 316SS 1/2 NPT-Male 1/2 NPT-Male 25 4 GPM / 120 SCFM 3,000
4275T-4MM 21-8N8N-100S 304SS 316SS 1/2 NPT-Male 1/2 NPT-Male 100 4 GPM / 120 SCFM 3,000
422XT-4MM 21-8N8P-10S 304SS 316SS 1/2 NPT-Male 1/2 NPT-Female 10 4 GPM / 120 SCFM 3,000
4210T-4MM 21-8N8P-25S 304SS 316SS 1/2 NPT-Male 1/2 NPT-Female 25 4 GPM / 120 SCFM 3,000
4275T-4MM 21-8N8P-100S 304SS 316SS 1/2 NPT-Male 1/2 NPT-Female 100 4 GPM / 120 SCFM 3,000
422XT-4MM 21-8P8N-10S 304SS 316SS 1/2 NPT-Female 1/2 NPT-Male 10 4 GPM / 120 SCFM 3,000
4210T-4MM 21-8P8N-25S 304SS 316SS 1/2 NPT-Female 1/2 NPT-Male 25 4 GPM / 120 SCFM 3,000
4275T-4MM 21-8P8N-100S 304SS 316SS 1/2 NPT-Female 1/2 NPT-Male 100 4 GPM / 120 SCFM 3,000
422XT-4MM 21-12N12N-10S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Male 10 4 GPM / 120 SCFM 3,000
4210T-4MM 21-12N12N-25S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Male 25 4 GPM / 120 SCFM 3,000
42100T-4MM 21-12N12N-100S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Male 100 4 GPM / 120 SCFM 3,000
422XT-4MP 21-12N12P-10S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Male 10 4 GPM / 120 SCFM 3,000
4210T-4MP 21-12N12P-25S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Male 25 4 GPM / 120 SCFM 3,000
42100T-4MP 21-12N12P-100S 304SS 316SS 3/4 NPT-Female 3/4 NPT-Male 100 4 GPM / 120 SCFM 3,000
422XT-4PM 21-12P12N-10S 304SS 316SS 3/4 NPT-Male 3/4 NPT-Female 10 4 GPM / 120 SCFM 3,000
4210T-4PM 21-12P12N-25S 304SS 316SS 3/4 NPT-Male 3/4 NPT-Female 25 4 GPM / 120 SCFM 3,000
42100T-4PM 21-12P12N-100S 304SS 316SS 3/4 NPT-Male 3/4 NPT-Female 100 4 GPM / 120 SCFM 3,000
422XT-4BB 21-4S4S-10S 304SS 316SS MS33649-4 MS33649-4 10 2 GPM / 60 SCFM 6,000
4210T-4BB 21-4S4S-25S 304SS 316SS MS33649-4 MS33649-4 25 2 GPM / 60 SCFM 6,000
4275T-4BB 21-4S4S-100S 304SS 316SS MS33649-4 MS33649-4 100 2 GPM / 60 SCFM 6,000
422XT-6BB 21-6S6S-10S 304SS 316SS MS33649-6 MS33649-6 10 2 GPM / 60 SCFM 6,000
4210T-6BB 21-6S6S-25S 304SS 316SS MS33649-6 MS33649-6 25 2 GPM / 60 SCFM 6,000
4275T-6BB 21-6S6S-100S 304SS 316SS MS33649-6 MS33649-6 100 2 GPM / 60 SCFM 6,000
422XT-4DD 21-4M4M-10S 304SS 316SS MS-16142-4 MS-16142-4 10 2 GPM / 60 SCFM 6,000
4210T-4DD 21-4M4M-25S 304SS 316SS MS-16142-4 MS-16142-4 25 2 GPM / 60 SCFM 6,000
4275T-4DD 21-4M4M-100S 304SS 316SS MS-16142-4 MS-16142-4 100 2 GPM / 60 SCFM 6,000
422XT-6DD 21-6M6M-10S 304SS 316SS MS-16142-6 MS-16142-6 10 2 GPM / 60 SCFM 6,000
4210T-6DD 21-6M6M-25S 304SS 316SS MS-16142-6 MS-16142-6 25 2 GPM / 60 SCFM 6,000
4275T-6DD 21-6M6M-100S 304SS 316SS MS-16142-6 MS-16142-6 100 2 GPM / 60 SCFM 6,000
422XT-4TT 21-4T4T-10S 304SS 316SS MS33656-4 MS33656-4 10 2 GPM / 60 SCFM 6,000
4210T-4TT 21-4T4T-25S 304SS 316SS MS33656-4 MS33656-4 25 2 GPM / 60 SCFM 6,000
4275T-4TT 21-4T4T-100S 304SS 316SS MS33656-4 MS33656-4 100 2 GPM / 60 SCFM 6,000
422XT-6TT 21-6T6T-10S 304SS 316SS MS33656-6 MS33656-6 10 2 GPM / 60 SCFM 6,000
4210T-6TT 21-6T6T-25S 304SS 316SS MS33656-6 MS33656-6 25 2 GPM / 60 SCFM 6,000
4275T-6TT 21-6T6T-100S 304SS 316SS MS33656-6 MS33656-6 100 2 GPM / 60 SCFM 6,000
422XT-8TT 21-8T8T-10S 304SS 316SS MS33656-8 MS33656-8 10 4 GPM / 120 SCFM 3,000
4210T-8TT 21-8T8T-25S 304SS 316SS MS33656-8 MS33656-8 25 4 GPM / 120 SCFM 3,000
4275T-8TT 21-8T8T-100S 304SS 316SS MS33656-8 MS33656-8 100 4 GPM / 120 SCFM 3,000
422XT-12TT 21-12T12T-10S 304SS 316SS MS33656-12 MS33656-12 10 4 GPM / 120 SCFM 3,000
4210T-12TT 21-12T12T-25S 304SS 316SS MS33656-12 MS33656-12 25 4 GPM / 120 SCFM 3,000
4275T-12TT 21-12T12T-100S 304SS 316SS MS33656-12 MS33656-12 100 4 GPM / 120 SCFM 3,000
422XT-4FF 21-4F4F-10S 304SS 316SS 1/4 – Face Seal 1/4 – Face Seal 10 2 GPM / 60 SCFM 6,000
4210T-4FF 21-4F4F-25S 304SS 316SS 1/4 – Face Seal 1/4 – Face Seal 25 2 GPM / 60 SCFM 6,000
4275T-4FF 21-4F4F-100S 304SS 316SS 1/4 – Face Seal 1/4 – Face Seal 100 4 GPM / 120 SCFM 3,000
422XT-6FF 21-6F6F-10S 304SS 316SS 3/8 – Face Seal 3/8 – Face Seal 10 2 GPM / 60 SCFM 6,000
4210T-6FF 21-6F6F-25S 304SS 316SS 3/8 – Face Seal 3/8 – Face Seal 25 2 GPM / 60 SCFM 6,000
4275T-6FF 21-6F6F-100S 304SS 316SS 3/8 – Face Seal 3/8 – Face Seal 100 4 GPM / 120 SCFM 3,000
422XT-8FF 21-8F8F-10S 304SS 316SS 1/2 – Face Seal 1/2 – Face Seal 10 2 GPM / 60 SCFM 6,000
4210T-8FF 21-8F8F-25S 304SS 316SS 1/2 – Face Seal 1/2 – Face Seal 25 2 GPM / 60 SCFM 6,000
4275T-8FF 21-8F8F-100S 304SS 316SS 1/2 – Face Seal 1/2 – Face Seal 100 4 GPM / 120 SCFM 3,000
                 
                 

21 Series Literature 

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