Nipples for Ethyl Chloride

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	Type Type


Adapter	Nut

	CGA Number CGA Number

200

300

510

	Gender Gender


Male	Female

	System of Measurement System of Measurement

Inch

	Thread Size Thread Size

0.628"-14

0.830"-14

0.880"-14

	Connects To Connects To

Tank

Regulator

	For Use With For Use With	Show

Ethyl Chloride

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Dichlorotetrafluoroethane

Silicon Tetrafluoride

Tungsten Hexafluoride

	Thread Direction Thread Direction

Right Hand

Left Hand

	Maximum Pressure Maximum Pressure

500 psi @ 72° F

	Material Material

Brass

	Length Length

	Shape Shape

	Straight

	Thread Type Thread Type

NGO

NPT

	Pipe Size Pipe Size

1/4

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Maximum Temperature Maximum Temperature

Less than 200° F

	Minimum Temperature Minimum Temperature

Not Rated

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant with
Exemptions

	Connection Style Connection Style

Threaded

	Tighten With Tighten With

Wrench

	Connection Type Connection Type

	Pipe

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5 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.

High-Pressure Nipples for Compressed Gas

Commonly used in high-pressure welding applications, these nipples connect your tank to the inlet of a pressure regulator. One side has a threaded pipe end and the other side has a rounded end that sits inside a threaded nut (sold separately) so you can make a threaded connection.

Brass nipples have good corrosion resistance and are softer than 316 stainless steel nipples, so they're easier to thread together.

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

Nipples, Tank × Male Regulator

Maximum Pressure: See table
Maximum Temperature: 120° F

	Regulator Connection
For Number (Max. Pressure)	Pipe Size	Thread Type	Lg.	For Use With		Each
Brass—Tighten With Wrench
CGA 300 (500 psi @ 72° F)	1/4	NPT	1 15/16"	Ethyl Chloride	000000000	00000

Nuts

Female Nut

Maximum Pressure: See table
Maximum Temperature: 120° F

Brass
Number	Gender	Thread Size	Thread Type	Thread Direction	Max. Pressure	For Use With		Each
CGA 300	Female	0.830"-14	NGO	Right Hand	500 psi @ 72° F	Ethyl Chloride	000000000	00000

High-Pressure Threaded Fittings for Compressed Gas

Designed to handle high-pressure welding applications, these fittings are commonly used to connect pressure regulators to compressed gas tanks or cylinders. Fittings are also known as CGA (Compressed Gas Association) fittings. They are brass for good corrosion resistance.

Fittings with left-hand threads are identified with a notch in the nut.

Note: Fittings have a CGA number that corresponds to a specific type of gas. Choose a fitting with the same CGA number as your tank and other system components.

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

Female Tank × Female Regulator

Maximum Pressure: See table
Maximum Temperature: 120° F

CGA Number		Tank Connection			Regulator Connection
Tank	Regulator	Thread Size	Thread Type	Thread Direction	Thread Size	Thread Type	Thread Direction	Max. Pressure	For Use With		Each
Brass
300	510	0.830"-14	NGO	Right Hand	0.880"-14	NGO	Left Hand	500 psi @ 72° F	Acetylene, Butane, Cyclopropane, Dimethyl Ether, Ethyl Chloride, Ethylene Oxide, Isobutane, Methane, Methyl Chloride, Natural Gas, Propane, Propylene, Vinyl Bromide, Vinyl Chloride	0000000	00000

Female Tank × Male Regulator

Maximum Pressure: See table
Maximum Temperature: 120° F

CGA Number		Tank Connection			Regulator Connection
Tank	Regulator	Thread Size	Thread Type	Thread Direction	Thread Size	Thread Type	Thread Direction	Max. Pressure	For Use With		Each
Brass
200	300	0.628"-14	NGO	Right Hand	0.830"-14	NGO	Right Hand	500 psi @ 72° F	Acetylene, Ethyl Chloride	0000000	000000

Male Tank × Male Regulator

Maximum Pressure: See table
Maximum Temperature: 120° F

CGA Number		Tank Connection			Regulator Connection
Tank	Regulator	Thread Size	Thread Type	Thread Direction	Thread Size	Thread Type	Thread Direction	Max. Pressure	For Use With		Each
Brass
510	300	0.880"-14	NGO	Left Hand	0.830"-14	NGO	Right Hand	500 psi @ 72° F	Acetylene, Butane, Cyclopropane, Dimethyl Ether, Ethyl Chloride, Ethylene Oxide, Isobutane, Methane, Methyl Chloride, Natural Gas, Propane, Propylene, Vinyl Bromide, Vinyl Chloride	0000000	000000

Nuts for High-Pressure Nipples for Compressed Gas

Slide a high-pressure hose nipple for compressed gas into one of these nuts to connect a pipe to the inlet of a pressure regulator. They are also known as CGA (Compressed Gas Association) nuts and inlet nuts.

Brass nuts have good corrosion resistance and are softer than 316 stainless steel nuts, so they're easier to thread together.

Note: Nuts have a CGA, BS, or DIN number that corresponds to a specific type of gas. Choose a nut with the same number as your tank and other system components.

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

Female

Female Nut

Maximum Pressure: See table
Maximum Temperature: 120° F, except DIN 477 No. 9: 250° F

Brass
Number	Thread Size	Thread Type	Thread Direction	Max. Pressure	For Use With		Each
CGA 300	0.830"-14	NGO	Right Hand	500 psi @ 72° F	Ethyl Chloride	000000000	00000