N Series Medium Flow Cartridge Liquid Filter Housings
The N Series (formerly Nowata) medium-flow cartridge filter housings are designed for long life and exceptional value. These multipurpose, medium flow, filters are built with our continued commitment to quality.
N series filters are built to ASME code design standards for added quality assurance. Housings are available in carbon steel or 316 stainless steel construction as standard. Housing features include FNPT or flanged inlet and outlet, flow rates to 336 gallons per minute, 150 psi and multiple cartridge length options.
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N Series Medium Flow Cartridge Liquid Filter Housings
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N series filter housings have numerous, customizable options and features including sizes ranging from 22 to 230 cartridge models.
Housing construction materials are carbon steel (NC series) or 316 stainless steel (NU series). All N series filters are built to ASME code design standards for added quality assurance.
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| Model | Material | No. Round x No. High | No. of Cartridges | Cartridge Length | Connection Size & Type | A | B | C | D | |
| NC6SU152 | Carbon steel | 6 x 1 | 6 | 9¾ or 10 | 2″ FNPT | 8 | 31½ | 21½ | 123∕8 | |
| NU6SU15N2 | 316 SS | 6 X 1 | 6 | 9¾ or 10 | 2″ FNPT | 8 | 31½ | 21½ | 123∕8 | |
| NC6SU15W2 | Carbon steel | 6 X 1 | 6 | 9¾ or 10 | 2″ 150# RFWN | 8 | 31½ | 21½ | 123∕8 | |
| NU6SU15W2 | 316 SS | 6 X 1 | 6 | 9¾ or 10 | 2″ 150# RFWN | 8 | 31½ | 21½ | 123∕8 | |
| NC12DU15N2 | Carbon steel | 6 X 2 | 12 | 19½ or 20 | 2″ FNPT | 8 | 41½ | 21½ | 123∕8 | |
| NU12DU15N2 | 316 SS | 6 X 2 | 12 | 19½ or 20 | 2″ FNPT | 8 | 41½ | 21½ | 123∕8 | |
| NC12DU15W2 | Carbon steel | 6 X 2 | 12 | 19½ or 20 | 2″ 150# RFWN | 8 | 41½ | 21½ | 123∕8 | |
| NU12DU15W2 | 316 SS | 6 X 2 | 12 | 19½ or 20 | 2″ 150# RFWN | 8 | 41½ | 21½ | 123∕8 | |
| NC18TU15N2 | Carbon steel | 6 X 3 | 18 | 29¼ or 30 | 2″ FNPT | 8 | 53 | 31½ | 123∕8 | |
| NU18TU15N2 | 316 SS | 6 X 3 | 18 | 29¼ or 30 | 2″ FNPT | 8 | 53 | 31½ | 123∕8 | |
| NC18TU15W2 | Carbon steel | 6 X 3 | 18 | 29¼ or 30 | 2″ 150# RFWN | 8 | 53 | 31½ | 123∕8 | |
| NU18TU15W2 | 316 SS | 6 X 3 | 18 | 29¼or 30 | 2″ 150# RFWN | 8 | 53 | 31½ | 123∕8 | |
| NC24QU15N2 | Carbon steel | 6 X 4 | 24 | 40 | 2″ FNPT | 8 | 63 | 31½ | 123∕8 | |
| NU24QU15N2 | 316 SS | 6 X 4 | 24 | 40 | 2″ FNPT | 8 | 63 | 31½ | 123∕8 | |
| NC24QU15W2 | Carbon steel | 6 X 4 | 24 | 40 | 2″ 150# RFWN | 8 | 63 | 31½ | 123∕8 | |
| NU24QU15W2 | 316 SS | 6 X 4 | 24 | 40 | 2″ 150# RFWN | 8 | 63 | 31½ | 123∕8 | |
| NC28DU15W3 | Carbon steel | 14 X 2 | 28 | 19½ or 20 | 3″ 150# RFWN | 12 | 42¾ | 22 | 13 | |
| NU28DU15W3 | 316 SS | 14 X 2 | 28 | 19½ or 20 | 3″ 150# RFWN | 12 | 42¾ | 22 | 13 | |
| NC42TU15W3 | Carbon steel | 14 X 3 | 42 | 29¼ or 30 | 3″ 150# RFWN | 12 | 52¾ | 32 | 13 | |
| NU42TU15W3 | 316 SS | 14 X 3 | 42 | 29¼ or 30 | 3″ 150# RFWN | 12 | 52¾ | 32 | 13 | |
| NC56QU15W3 | Carbon steel | 14 x 4 | 56 | 40 | 3″ 150# RFWN | 12 | 62¾ | 32 | 13 | |
| NU56QU15W3 | 316 SS | 14 x 4 | 56 | 40 | 3″ 150# RFWN | 12 | 62¾ | 32 | 13 | |
Dimensions in inches except where noted. Due to our continuing program of product improvement, specifications are for reference only and subject to change without notice. Dimensions are approximate values and not intended for piping specifications.
• Carbon steel (NC series) or 316 stainless steel (NU series) construction
• 150 psi working pressure rating
• Aqueous flow rates up to 336 gpm (for higher flow rates, see N series High-Flow datasheet)
• 1/32” corrosion allowance standard for carbon steel, and 0” allowance for 316 stainless steel
• All models built to ASME code standards, code stamp available upon request
• 2 housing size options: 6 or 14 cartridge models
• 7 cartridge length options: 9¾”or 10”, 19½” or 20”, 29¼ or 30” and 40”
• Internal NPT or 150# flanged inlet and outlet connections are available
• 1/2” FNPT internal pipe thread inlet chamber drain, housing clean drain, and vent, all standard
• Accepts filter cartridges with 2-1/2” outside diameter by 1” inside diameter
• 316 stainless cup and spring cartridge mounting hardware
• Cup design accepts double open-end or 222 o-ring style cartridges without modification
• Swing bolt closure for fast, easy cartridge replacement
• Buna o-ring closure seal standard, other seal materials are available
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