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About Fittings

- British Standard Pipe
Thread Flank Angle - 55º
NOT compatible with NPT thread fittings.
BSP is made in both a tapered (BSPT) and a Parallel (BSPP) version - the air gun industry uses BSPP mostly. BSPP makes an adequate seal by using a rubber gasket seal at the base of the fittings (also known as a seal washer or dowdy washer). The BSPT creates a seal through its tapered design much like the NPT fittings. Both versions of fittings are known as exotic fittings and are therefore more expensive then NPT.

National Pipe Tapered
Thread Flank Angle - 60º
Most commonly used in North America, the NPT is made effective because of it's tapered male and female thread thereby forgoing the need for a gasket. Though they are similar in look, the NPT and BSP fittings are NOT compatible and will not make an adequate seal for pressurized systems.

Joint Industry Council
Flare - 37º
The JIC fitting is a fitting typified by its 37º flare. The fittings is widely used in fuel delivery and fluid power applications. These fittings are especially good where extremely high pressure is involved. This flare gives the fitting an exceptionally reliable seal.

DIN - Deutsches Institut für Normung
Fitting predominately used in SCUBA.

CGA - Compressed Gas Association
A CGA fitting is standardized system for the attachment of a compressed gas cylinder to the required regulator and/or transfer line. Examples of CGA fittings would be CGA-580 for Non-flamable, Non-oxidizing gasses such as Nitrogen, Argon, or Helium. CGA-590 is used for compressed air and CGA-326 is used for Nitrous Oxide. There are approximately a dozen commonly used CGA-fittings, with others used for special purposes. These fittings are typically used for welding applications, but can extend to other application such as medical and other gas uses.

The fitting standards are designed to make the gas connections leak tight and also prevent different fittings from being mixed up. For example, flamable gas fittings have a left hand thread fittings. Oxygen and inert gases have right hand thread fittings. Since a left hand thread fittings cannot be threaded onto a right hand fitting, it is impossible to connect the fuel gas to the oxygen and vise versa.



BSP Fittings

1/8" m.BSP x 1/8" m.BSP
Steel Nipple
1/8" m.BSP x 1/4" m.BSP
Steel Nipple
1/8" Seal Washer
1/4" Seal Washer
Bsp Fitting


NPT Fittings

1/8" mNPT x 1/8" mNPT
Steel Nipple
1/4" mNPT x 1/4" mNPT
Steel Nipple
1/8" mNPT x 1/4" mNPT
Steel Reducer
1/8" fNPT x 1/8" fNPT
Steel Coupling
1/8" fNPT x 1/4" fNPT
Steel Coupling
1/8" fNPT x 1/4" mNPT
Steel Bushing


JIC Fittings

2 mJIC x 1/8" mNPT
Steel Nipple
2 mJIC x 1/4" mNPT
Steel Nipple
2 mJIC x 1/8" mBSP
Steel Nipple
2 mJIC x 1/8" fNPT
Steel Thread Sleeve


DIN Fittings

DIN 477 x 1/4" fBSPP DIN 477 Plug Spin DIN 477 x 1/4" mBSPP
DIN Video   Spin DIN Video

Spin DIN Options

Spin DIN w/ Male BSP Nipple Spin DIN w/ Male QC 360° Spin DIN w/ Male BSP Nipple 360° Spin DIN w/ Male QC
Spin DIN Video 360 Degree Spin DIN Video (Short)


CGA Fittings

CGA-347 x 1/4" mNPT
CGA-347 x 1/4" fNPT
CGA-347 Nut & Nipple


Quick Connect Fittings

m.QC x 1/8" m.NPT
Stainless Steel
m.QC x 1/8" f.NPT
Stainless Steel
m.QC x 1/8" f.BSP w/seal washer
Stainless Steel
m.QC x m.QC
Stainless Steel
Dead Head (QC Plug)
Stainless Steel
f.QC x 1/8" fNPT
Quick Connect
f.QC x 1/8" m.NPT
Quick Connect
f.QC x 1/8" mBSP
Quick Connect
Series 60 Steel
1/8" Female Quick Coupling
Series 60-2 Steel
1/4" Female Quick Coupling
Series 60 Steel
1/8" Male Quick Coupling
Series 60-2 Steel
1/4" Male Quick Coupling