NPT Vents | McMaster-Carr

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System of Measurement

Pipe Size

Body Material

Stainless Steel

For Use With

Aluminum Chloride

Ethylene Glycol

Hydraulic Fluid

Liquid Carbon Dioxide

Thread Type

UN/UNF (SAE Straight)

Fitting Connection

Gender

Inlet Pipe Size

Fitting Material

Stainless Steel

Material

Polyester/Wool Fabric

Stainless Steel

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

Height

Removes Particle Size Down To

Less than 25 μm

25 μm to 49 μm

50 μm to 99 μm

100 μm to 499 μm

500 μm or greater

Shape

Set Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi or greater

Filter Material

Polyurethane Rubber

Stainless Steel

Screen Material

304 Stainless Steel

Stainless Steel

Maximum Flow Rate @ Pressure

4.5 scfm @ 1 psi

16 scfm @ 1 psi

24 scfm @ 1 psi

25 scfm @ 1 psi

26 scfm @ 1 psi

27 scfm @ 1 psi

80 scfm @ 1 psi

85 scfm @ 1 psi

205 scfm @ 1 psi

25 scfm @ 14.5 psi

35 scfm @ 14.5 psi

42 scfm @ 14.5 psi

55 scfm @ 14.5 psi

155 scfm @ 14.5 psi

270 scfm @ 14.5 psi

385 scfm @ 14.5 psi

575 scfm @ 14.5 psi

Inlet Thread Type

Hex Size

Diameter

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

651 Products

Fluid Handling

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Pressure-Relief Valves

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

Air Vent Valves

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

Mufflers

Reduce noise and filter exhaust fumes

Steam Traps

Extract condensation from lines without losing any steam

Containers, Storage, and Furniture

Drum Vents

Prevent drum failure by releasing pressure and vacuum buildup

Electrical

Electrical Enclosure Drains

Electrical Enclosure Drains

Release moisture to keep components dry

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)