Iron BSPT-to-NPT Pipe Adapters

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	Pipe Size Pipe Size

1/8

1/4

	Thread Type Thread Type

BSPT

NPT

	Type Type

	Adapter
	Pipe
	Reducing Adapter

	For Use With For Use With

	Threading Threading

	Threaded on Both Ends
	Fully Threaded

	Gender Gender

Male

Female

	Finish Finish

Galvanized

Black Coated

	Wall Thickness Wall Thickness

	ID ID

	Length Length

	Maximum Pressure Maximum Pressure

	Hex Width Hex Width

	Specifications Met Specifications Met

ANSI/ASME

DIN

ANSI

ASTM

ISO

	OD OD

	Dash Size Dash Size

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88 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Compact Extreme-Pressure Steel Threaded Pipe Fittings

These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are galvanized steel, which has fair corrosion resistance.

For technical drawings and 3-D models, click on a part number.

Straight Adapters, Female × Male

For Use With: See table
Specifications Met: See table

NPT Female × BSPT Male
Pipe Size (A)	Dash Size (A)	Pipe Size (B)	Dash Size (B)	Max. Pressure	For Use With	Specifications Met		Each
1/8	02	1/8	02	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	__	00000000	000000
1/4	04	1/4	04	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	__	00000000	00000
3/8	06	3/8	06	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	__	00000000	00000
1/2	08	1/2	08	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	__	00000000	00000
3/4	12	3/4	12	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	__	00000000	00000
1	16	1	16	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	__	00000000	00000
1 1/4	20	1 1/4	20	2,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1 1/2	24	1 1/2	24	2,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
2	32	2	32	2,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	000000

Straight Adapters, Male

For Use With: See table
Specifications Met: See table

BSPT Male × NPT Male
Pipe Size (A)	Dash Size (A)	Pipe Size (B)	Dash Size (B)	Max. Pressure	For Use With	Specifications Met		Each
1/8	02	1/8	02	5,100 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	000000
1/4	04	1/4	04	6,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
3/8	06	3/8	06	5,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1/2	08	1/2	08	4,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
3/4	12	3/4	12	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1	16	1	16	3,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000

Straight Reducing Adapters, Female × Male

For Use With: See table
Specifications Met: See table

Pipe Size		Dash Size
(A)	(B)	(A)	(B)	Max. Pressure	For Use With	Specifications Met		Each
NPT Female × BSPT Male
1/8	1/4	02	04	6,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	000000
1/8	3/8	02	06	5,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1/4	1/8	04	02	5,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1/4	1/2	04	08	4,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1/4	1	04	16	3,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
3/8	3/4	06	12	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1/2	3/4	08	12	3,500 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
3/4	1	12	16	3,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000
1 1/4	1 1/2	20	24	2,000 psi @ 72° F	Air, Hydraulic Fluid, Oil, Water	ANSI B1.20.3, DIN EN 10226-1, ISO 7-1	00000000	00000

Straight Reducing Adapters, Male

For Use With: Air, Hydraulic Fluid, Oil, Water
Specifications Met:
BSPP × NPT: ANSI B1.20.3, ISO 1179, ISO 8434-6
BSPT × NPT: ANSI B1.20.3, DIN EN 10226-1, ISO 7-1

Pipe Size		Dash Size
(A)	(B)	(A)	(B)	Max. Pressure		Each
BSPT Male × NPT Male
1/4	1/8	04	02	6,500 psi @ 72° F	00000000	00000
3/8	1/4	06	04	5,500 psi @ 72° F	00000000	00000

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Made of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low-pressure applications.

Welded pipe has a weld bead on the inside.

Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center.

For technical drawings and 3-D models, click on a part number.

BSPT × NPT Fully Threaded

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 150
Specifications Met: ANSI/ASME BS21, ANSI/ASME B1.20.1, DIN EN 10226
Fittings: Use Class 150 galvanized iron and galvanized steel
Flanges: Use Class 150 galvanized steel

Pipe Size	Lg.	Construction		Each
1/2	1 3/16"	Welded	00000000	000000
3/4	1 11/32"	Welded	00000000	00000
1	1 31/64"	Welded	00000000	00000
1 1/2	1 49/64"	Welded	00000000	00000
2	1 59/64"	Welded	00000000	00000

BSPT × NPT Threaded on Both Ends

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: ASTM A733, ASTM A53, ANSI/ASME B1.20.1
Fittings: Use Class 125 or 150 galvanized iron and galvanized steel
Flanges: Use Class 150 galvanized steel

1/2 Pipe Size
Lg.	Construction		Each
1 1/2"	Welded	00000000	000000
2"	Welded	00000000	00000
3"	Welded	00000000	00000
4"	Welded	00000000	00000
6"	Welded	00000000	00000
3/4 Pipe Size
1 1/2"	Welded	00000000	00000
2"	Welded	00000000	00000
3"	Welded	00000000	00000
4"	Welded	00000000	00000
6"	Welded	00000000	00000
1 Pipe Size
2"	Welded	00000000	00000
3"	Welded	00000000	00000
4"	Welded	00000000	00000
6"	Welded	00000000	00000
1 1/4 Pipe Size
2"	Welded	00000000	00000
3"	Welded	00000000	00000
4"	Welded	00000000	00000
6"	Welded	00000000	00000
1 1/2 Pipe Size
2"	Welded	00000000	00000
3"	Welded	00000000	00000
4"	Welded	00000000	00000
6"	Welded	00000000	00000
2 Pipe Size
3"	Welded	00000000	00000
4"	Welded	00000000	00000
6"	Welded	00000000	000000

Standard-Wall Steel Threaded Pipe Nipples and Pipe

Also known as Schedule 40, this pipe is designed for low-pressure applications. Use in noncorrosive applications.

Welded pipe has a weld bead on the inside.

For technical drawings and 3-D models, click on a part number.

BSPT × NPT Fully Threaded

For Use With: Air, Steam, Oil, Water, Natural Gas
Specifications Met: DIN EN 10226, ANSI/ASME BS21, ANSI/ASME B1.20.1
Fittings: Use Class 150 Iron and Steel

Pipe Size	Lg.	Construction	Material		Each
1/2	1 3/16"	Welded	Black-Coated Steel	00000000	000000
3/4	1 11/32"	Welded	Black-Coated Steel	00000000	00000
1	1 31/64"	Welded	Black-Coated Steel	00000000	00000
1 1/4	1 5/8"	Welded	Black-Coated Steel	00000000	00000
1 1/2	1 49/64"	Welded	Black-Coated Steel	00000000	00000
2	1 59/64"	Welded	Black-Coated Steel	00000000	00000

BSPT × NPT Threaded on Both Ends

For Use With: Natural Gas, Steam, Oil, Water, Air
Specifications Met: ASTM A733, ASTM A53, ANSI/ASME B1.20.1
Fittings: Use Class 125 or 150 Iron and Steel

1/2 Pipe Size
Lg.	Construction	Material		Each
1 1/2"	Welded	Black-Coated Steel	00000000	00000
2"	Welded	Black-Coated Steel	00000000	0000
3"	Welded	Black-Coated Steel	00000000	00000
4"	Welded	Black-Coated Steel	00000000	00000
6"	Welded	Black-Coated Steel	00000000	00000
3/4 Pipe Size
1 1/2"	Welded	Black-Coated Steel	00000000	00000
2"	Welded	Black-Coated Steel	00000000	00000
3"	Welded	Black-Coated Steel	00000000	00000
4"	Welded	Black-Coated Steel	00000000	00000
6"	Welded	Black-Coated Steel	00000000	00000
1 Pipe Size
2"	Welded	Black-Coated Steel	00000000	00000
3"	Welded	Black-Coated Steel	00000000	00000
4"	Welded	Black-Coated Steel	00000000	00000
6"	Welded	Black-Coated Steel	00000000	00000
1 1/4 Pipe Size
2"	Welded	Black-Coated Steel	00000000	00000
3"	Welded	Black-Coated Steel	00000000	00000
4"	Welded	Black-Coated Steel	00000000	00000
6"	Welded	Black-Coated Steel	00000000	00000
1 1/2 Pipe Size
2"	Welded	Black-Coated Steel	00000000	00000
3"	Welded	Black-Coated Steel	00000000	00000
4"	Welded	Black-Coated Steel	00000000	00000
6"	Welded	Black-Coated Steel	00000000	00000
2 Pipe Size
2"	Welded	Black-Coated Steel	00000000	00000
3"	Welded	Black-Coated Steel	00000000	00000
4"	Welded	Black-Coated Steel	00000000	00000
6"	Welded	Black-Coated Steel	00000000	00000

Terms and Conditions and Privacy Policy

How to Identify and Measure Fittings

Compact Extreme-Pressure Steel Threaded Pipe Fittings

Standard-Wall Galvanized SteelThreaded Pipe Nipples and Pipe

Standard-Wall Steel Threaded Pipe Nipples and Pipe

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe