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Polyline Brass Tube Fittings

Leaks and line changes in air and lube circuits cost you uptime. Our Polyline brass compression tube fittings seal fast with no flaring: unions, male or female connectors, elbows and tees plus nuts and sleeve assemblies. Use brass sleeves for heat and bite, plastic sleeves for softer tubing. Rated up to 500 psi, built from CA360 brass.

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Polyline Male Elbows
Polyline Male Elbows
Polyline male elbows for pneumatic and fluid tubing. CA360 brass bodies with plastic or brass sleeve, compression sealing and male pipe connection. Captive sleeve and preassembled design provides quick installation and resists leaks for instrumentation, lubrication, and cooling lines.
Tube OD: 1/8"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/8" x 1/8" Polyline Male Elbow - 5 Pack
1/8"
Male Elbow
CA360 Brass
500 psi
5
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Tube OD: 1/4"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/16" Polyline Male Elbow - 2 Pack
1/16"
Male Elbow
CA360 Brass
500 psi
2
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1/4" x 1/8" Polyline Male Elbow - 5 Pack
1/8"
Male Elbow
CA360 Brass
500 psi
5
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1/4" x 1/4" Polyline Male Elbow - 5 Pack
1/4"
Male Elbow
CA360 Brass
500 psi
5
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1/4" x 3/8" Polyline Male Elbow - 5 Pack
3/8"
Male Elbow
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 5/16"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
5/16" x 1/8" Polyline Male Elbow - 5 Pack
1/8"
Male Elbow
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 3/8"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
3/8" x 1/8" Polyline Male Elbow - 5 Pack
1/8"
Male Elbow
CA360 Brass
500 psi
5
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3/8" x 1/4" Polyline Male Elbow - 5 Pack
1/4"
Male Elbow
CA360 Brass
500 psi
5
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3/8" x 3/8" Polyline Male Elbow - 5 Pack
3/8"
Male Elbow
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 1/2"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/2" x 3/8" Polyline Male Elbow - 2 Pack
3/8"
Male Elbow
CA360 Brass
500 psi
2
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Polyline Female Elbows
Polyline Female Elbows
Polyline female elbow for threaded 1/8" connections and 1/4" tube OD. CA360 brass body with plastic sleeve and compression sealing provides easy, captive sleeve installation without tubing flares. Rated up to 500 psi and -65 °F to 250 °F for pneumatic and lubricant lines.
Item # Tube OD Female Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/8" Polyline Female Elbow - 2 Pack
1/4"
1/8"
Female Elbow
CA360 Brass
500 psi
2
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Polyline Male Connectors
Polyline Male Connectors
Polyline male connectors for pneumatic and lubrication tubing. CA360 brass body with plastic sleeve, compression seal and captive sleeve for simple assembly. Rated to 500 psi and -65 °F to 250 °F with brass sleeve, compatible with aluminum, copper and hard plastic tubing.
Tube OD: 1/8"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/8" x 1/8" Polyline Male Connector - 5 Pack
1/8"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 1/4"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/16" Polyline Male Connector - 2 Pack
1/16"
Male Connector
CA360 Brass
500 psi
2
Log in to view price
1/4" x 1/8" Polyline Male Connector - 5 Pack
1/8"
Male Connector
CA360 Brass
500 psi
5
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1/4" x 1/4" Polyline Male Connector - 5 Pack
1/4"
Male Connector
CA360 Brass
500 psi
5
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1/4" x 3/8" Polyline Male Connector - 5 Pack
3/8"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 5/16"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
5/16" x 1/8" Polyline Male Connector - 5 Pack
1/8"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
5/16" x 1/4" Polyline Male Connector - 5 Pack
1/4"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 3/8"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
3/8" x 1/8" Polyline Male Connector - 5 Pack
1/8"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
3/8" x 1/4" Polyline Male Connector - 5 Pack
1/4"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
3/8" x 3/8" Polyline Male Connector - 5 Pack
3/8"
Male Connector
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 1/2"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/2" x 3/8" Polyline Male Connector - 5 Pack
3/8"
Male Connector
CA360 Brass
500 psi
5
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1/2" x 1/2" Polyline Male Connector - 2 Pack
1/2"
Male Connector
CA360 Brass
500 psi
2
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Polyline Female Connectors
Polyline Female Connectors
Polyline female connectors in CA360 brass with plastic sleeve options for pneumatic instrumentation, lubricant and cooling lines. Compression sealing resists leaks and captive sleeves allow reassembly for easy installation. Rated to 500 psi and wide temperature range.
Tube OD: 1/4"

Item # Female Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/8" Polyline Female Connector - 5 Pack
1/8"
Female Connector
CA360 Brass
500 psi
5
Log in to view price
1/4" x 1/4" Polyline Female Connector - 5 Pack
1/4"
Female Connector
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 3/8"

Item # Female Pipe Size Shape Material Maximum Pressure Package Qty
3/8" x 1/4" Polyline Female Connector - 5 Pack
1/4"
Female Connector
CA360 Brass
500 psi
5
Log in to view price
Tube OD: 1/2"

Item # Female Pipe Size Shape Material Maximum Pressure Package Qty
1/2" x 3/8" Polyline Female Connector - 2 Pack
3/8"
Female Connector
CA360 Brass
500 psi
2
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Polyline Unions
Polyline Unions
Polyline unions made with CA360 bodies and captive plastic or brass sleeves for easy, reassemblable installation. They resist pressures up to 500 psi and high temperatures with brass sleeves which provides broad use in pneumatic instrumentation and fluid lines.
Item # Tube OD Shape Material Maximum Pressure Package Qty
1/8" Polyline Union - 5 Pack
1/8"
Union
CA360 Brass
500 psi
5
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3/16" Polyline Union - 5 Pack
3/16"
Union
CA360 Brass
500 psi
5
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1/4" Polyline Union - 5 Pack
1/4"
Union
CA360 Brass
500 psi
5
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5/16" Polyline Union - 2 Pack
5/16"
Union
CA360 Brass
500 psi
2
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3/8" Polyline Union - 2 Pack
3/8"
Union
CA360 Brass
500 psi
2
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1/2" Polyline Union - 2 Pack
1/2"
Union
CA360 Brass
500 psi
2
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1/4" x 3/8" Polyline Union - 2 Pack
1/4" x 3/8"
Union
CA360 Brass
500 psi
2
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Polyline Union Tees
Polyline Union Tees
Polyline union tees made from CA360 brass with plastic sleeves for joining tubing in pneumatic instrumentation, lubricant and cooling lines. Captive sleeve and preassembled design provides easy installation and reassembly and resists leakage up to 500 psi.
Item # Tube OD Shape Material Maximum Pressure Package Qty
1/4" Polyline Union Tee - 2 Pack
1/4"
Union Tee
CA360 Brass
500 psi
2
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5/16" Polyline Union Tee
5/16"
Union Tee
CA360 Brass
500 psi
1
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3/8" Polyline Union Tee - 2 Pack
3/8"
Union Tee
CA360 Brass
500 psi
2
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1/2" Polyline Union Tee
1/2"
Union Tee
CA360 Brass
500 psi
1
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Polyline Male Branch Tees
Polyline Male Branch Tees
Polyline male branch tees for pneumatic instrumentation and fluid lines. CA360 brass body with brass or plastic sleeve, compression seal and captive sleeve for easy installation. Rated up to 500 psi and -65 °F to 250 °F depending on sleeve, fits common tubing.
Tube OD: 1/4"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/8" Polyline Male Branch Tee - 2 Pack
1/8"
Branch Tee
CA360 Brass
500 psi
2
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1/4" x 1/4" Polyline Male Branch Tee
1/4"
Branch Tee
CA360 Brass
500 psi
1
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Tube OD: 3/8"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
3/8" x 1/4" Polyline Male Branch Tee - 2 Pack
1/4"
Branch Tee
CA360 Brass
500 psi
2
Log in to view price
Tube OD: 1/2"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 3/8" Polyline Male Branch Tee
3/8"
Branch Tee
CA360 Brass
500 psi
1
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Polyline Female Branch Tees
Polyline Female Branch Tees
Polyline female branch tee for pneumatic and fluid lines constructed from CA360 brass with a plastic sleeve. Compression sealing with captive preassembled sleeve provides easy installation and reuse. Rated to 500 psi and -65 °F to 250 °F for instrumentation and tubing runs.
Item # Tube OD Female Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/8" Polyline Female Branch Tee
1/4"
1/8"
Branch Tee
CA360 Brass
500 psi
1
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Polyline Male Run Tees
Polyline Male Run Tees
Polyline male run tees for pneumatic and fluid lines made from CA360 brass with plastic sleeve options. Compression sealing with captive sleeve simplifies installation and avoids tube flaring. Rated to 500 psi and suitable for aluminum, copper, and hard plastic tubing.
Tube OD: 1/4"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 1/8" Polyline Male Run Tee - 2 Pack
1/8"
Run Tee
CA360 Brass
500 psi
2
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1/4" x 1/4" Polyline Male Run Tee
1/4"
Run Tee
CA360 Brass
500 psi
1
Log in to view price
Tube OD: 3/8"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
3/8" x 1/4" Polyline Male Run Tee - 2 Pack
1/4"
Run Tee
CA360 Brass
500 psi
2
Log in to view price
Tube OD: 1/2"

Item # Male Pipe Size Shape Material Maximum Pressure Package Qty
1/4" x 3/8" Polyline Male Run Tee
3/8"
Run Tee
CA360 Brass
500 psi
1
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Polyline Plastic Nut & Sleeve Assemblies
Polyline Plastic Nut & Sleeve Assemblies
Polyline plastic nut and sleeve assemblies for pneumatic and fluid tubing. CA360 brass bodies with plastic or brass sleeves depending on tube type. Compression sealing provides easy, captive installation and reassembly for equipment and repair tasks.
Item # Tube OD Shape Material Maximum Pressure Package Qty
1/4" Polyline Plastic Nut & Sleeve Assembly - 25 Pack
1/4"
Nut & Sleeve Assembly
CA360 Brass
500 psi
25
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5/16" Polyline Plastic Nut & Sleeve Assembly - 25 Pack
5/16"
Nut & Sleeve Assembly
CA360 Brass
500 psi
25
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3/8" Polyline Plastic Nut & Sleeve Assembly - 25 Pack
3/8"
Nut & Sleeve Assembly
CA360 Brass
500 psi
25
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1/2" Polyline Plastic Nut & Sleeve Assembly - 10 Pack
1/2"
Nut & Sleeve Assembly
CA360 Brass
500 psi
10
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Polyline Brass Nut & Sleeve Assemblies
Polyline Brass Nut & Sleeve Assemblies
Polyline brass nut and sleeve assemblies for 1/4" and 3/8" tubing. CA360 brass body with captive sleeve and compression seal; preassembled for easy installation and reassembly without flaring. Rated up to 500 psi and -65 °F to 250 °F, suitable for pneumatic and lubricant lines.
Item # Tube OD Shape Material Maximum Pressure Package Qty
1/4" Polyline Brass Nut & Sleeve Assembly - 25 Pack
1/4"
Nut & Sleeve Assembly
CA360 Brass
500 psi
25
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3/8" Polyline Brass Nut & Sleeve Assembly - 25 Pack
3/8"
Nut & Sleeve Assembly
CA360 Brass
500 psi
25
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Polyline Plastic Sleeves
Polyline Plastic Sleeves
Polyline plastic sleeves for tubing connections in pneumatic and lubrication lines. Plastic sleeve over a CA360 brass body provides captive, preassembled compression sealing that eases installation and reduces need for flaring. Compatible with aluminum, copper, and certain plastic tubing.
Color: Black

Item # Tube OD Shape Material Maximum Pressure Package Qty
1/4" Polyline Black Plastic Sleeve - 25 Pack
1/4"
Sleeve
Plastic
500 psi
25
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5/16" Polyline Black Plastic Sleeve - 25 Pack
5/16"
Sleeve
Plastic
500 psi
25
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3/8" Polyline Black Plastic Sleeve - 25 Pack
3/8"
Sleeve
Plastic
500 psi
25
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1/2" Polyline Black Plastic Sleeve - 25 Pack
1/2"
Sleeve
Plastic
500 psi
25
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Color: White

Item # Tube OD Shape Material Maximum Pressure Package Qty
1/4" Polyline White Plastic Sleeve - 25 Pack
1/4"
Sleeve
Plastic
500 psi
25
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5/16" Polyline White Plastic Sleeve - 25 Pack
5/16"
Sleeve
Plastic
500 psi
25
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3/8" Polyline White Plastic Sleeve - 25 Pack
3/8"
Sleeve
Plastic
500 psi
25
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1/2" Polyline White Plastic Sleeve - 25 Pack
1/2"
Sleeve
Plastic
500 psi
25
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Polyline Brass Nuts
Polyline Brass Nuts
Polyline brass nuts for compression fittings used in pneumatic instrumentation, lubricant and cooling lines. CA360 brass body with captive brass or plastic sleeve; preassembled design provides easy installation and reassembly and helps seal tubing up to 500 psi.
Item # Tube OD Shape Material Maximum Pressure Package Qty
1/8" Polyline Brass Nut - 10 Pack
1/8"
Nut
CA360 Brass
500 psi
10
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3/16" Polyline Brass Nut - 25 Pack
3/16"
Nut
CA360 Brass
500 psi
25
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1/4" Polyline Brass Nut - 25 Pack
1/4"
Nut
CA360 Brass
500 psi
25
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5/16" Polyline Brass Nut - 25 Pack
5/16"
Nut
CA360 Brass
500 psi
25
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3/8" Polyline Brass Nut - 25 Pack
3/8"
Nut
CA360 Brass
500 psi
25
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1/2" Polyline Brass Nut - 10 Pack
1/2"
Nut
CA360 Brass
500 psi
10
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Polyline Plastic Caps
Polyline Plastic Caps
Polyline plastic caps for tubing in pneumatic and fluid lines. White plastic sleeve over a CA360 brass body provides a captive, preassembled compression seal that installs without flaring. Rated up to 500 psi and usable in equipment maintenance and repair tasks.
Item # Tube OD Shape Material Maximum Pressure Package Qty
1/4" Polyline White Plastic Cap - 10 Pack
1/4"
Cap
Plastic
500 psi
10
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3/8" Polyline White Plastic Cap - 10 Pack
3/8"
Cap
Plastic
500 psi
10
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