Wholesale SS Hydraulic NPT Fittings

NPT Hydraulic Fitting is an American NPT pipe taper thread that has 60 degree thread angle. NPT pipe threads are your traditional tapered thread fittings and have been used for 100 years. They are available in high-pressure steel and stainless steel. This connection style is used in pneumatic and process systems and hydraulic systems.

QC Hydraulics NPT hydraulic fittings are compatible with most manufacturers and are equivalent to fittings from Parker Hydraulics, Eaton Aeroquip, Weatherhead, Goodyear, and Gates Hydraulics.

Size Range:

1/8”-2”

Material:

Stainless Steel(SS 304, SS 316, SS 316L, SS 316Ti)

NPT Hydraulic Adapters available thread configurations:

  • NPT Male Adapters
  • NPT Female Couplings
  • NPT Male Female Elbow
  • NPT Male Female Tee
  • NPT Cross
  • NPT Bushing
  • NPT Male Plug
  • NPT Cap
  • NPT Nut

NPT Hydraulic Tube Fitting, Pressure Ratings

Pressure Ratings For Fittings With NPTF Pipe Threads And Adapter Unions
Nominal Pipe Size Threads Size  
Nom SAE Dash Size Nom Inch Tube O.D Dry Seal Pipe Thread(NPTF1) Male and Female Straight Pipe Thread(NPSM2) Female Swivels Working Pressures(Mpa)
-2 1/8 1/8-27 1/8-27 34.5
-4 1/4 1/4-18 1/4-18 27.5
-6 3/8 3/8-18 3/8-18 21
-8 1/2 1/2-14 1/2-14 21
-12 3/4 3/4-14 3/4-14 17
-16 1 1- 11 1/2 1- 11 1/2 14
-20 1 1/4  1 1/4-11 1/2  1 1/4-11 1/2 8
-24 1 1/2 1 1/2 11 1/2 1 1/2 11 1/2 7
-32 2 2-11 1/2 2-11 1/2 7

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