Graphite Fiber Packing | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Width Width

	Material Material	Show

Graphite Fiber

	Material Material	Hide

	For Use With For Use With

	Maximum Temperature Maximum Temperature

1,000° F or greater

	Maximum Pressure Maximum Pressure

2,000 to 2,999 psi

3,000 psi or greater

	Height Height

	Maximum Speed Maximum Speed

4,000 fpm

Not Rated

	Maximum Pressure in Valves Maximum Pressure in Valves

2,500 psi

3,000 psi

3,500 psi

	Maximum Pressure in Pumps Maximum Pressure in Pumps

250 psi

500 psi

Not Rated

	Color Color

	Gray

	Filler Material Filler Material

Graphite

	Maximum Pressure in Steam Maximum Pressure in Steam

2,500 psi

3,000 psi

3,500 psi

	Minimum Temperature Minimum Temperature

	Maximum pH Resistance Maximum pH Resistance

	Minimum pH Resistance Minimum pH Resistance

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

DFARS Specialty Metals
COTS-Exempt

	Appearance Appearance

Shiny

	Reinforcement Material Reinforcement Material

Carbon Fiber

Nickel

	Length Length

34 Products

High-Speed Chemical-Resistant Packing Seals

Built for high-speed pump and valve applications, these super-tough seals are made of expanded-graphite yarn with carbon-yarn corners. Use them with acids, alkalies, brines, and solvents. Cut these seals to size with a knife; then pack them into place.

Wd.	Ht.	Max. Pressure, psi	Max. Pressure in Pumps, psi	Max. Pressure in Valves, psi	Max. Pressure in Steam, psi	Max. Speed, fpm	Temperature Range, °F	pH Resistance	Color	For Use With		5 ft.	10 ft.	25 ft.
1/4"	1/4"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	000000	000000	0000000
5/16"	5/16"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	00000	00000	000000
3/8"	3/8"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	00000	000000	000000
7/16"	7/16"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	00000	000000	000000
1/2"	1/2"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	000000	000000	000000
5/8"	5/8"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	000000	000000	000000
3/4"	3/4"	3,000	500	3,000	3,000	4,000	-300° to 1200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	0000000	000000	000000	000000

High-Flexibility Steam-Resistant Packing Seals

Offering excellent flexibility for steam applications in pumps and valves, these seals are made of expanded graphite yarn. Cut them to size with a knife; then pack them into place.

Wd.	Ht.	Max. Pressure, psi	Max. Pressure in Pumps, psi	Max. Pressure in Valves, psi	Max. Pressure in Steam, psi	Max. Speed, fpm	Temperature Range, °F	pH Resistance	Color	For Use With		5 ft.	10 ft.	25 ft.
1/8"	1/8"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	0000000	00000	00000	000000
3/16"	3/16"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	0000000	00000	00000	00000
1/4"	1/4"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	0000000	00000	00000	00000
5/16"	5/16"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	00000000	00000	00000	00000
3/8"	3/8"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	00000000	00000	00000	000000
7/16"	7/16"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	00000000	00000	00000	000000
1/2"	1/2"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	00000000	00000	00000	000000
5/8"	5/8"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	00000000	00000	000000	000000
3/4"	3/4"	2,500	250	2,500	2,500	4,000	-400° to 1200°	0-14	Gray	Steam, Water	00000000	000000	000000	000000

Steam-Resistant Packing Seals

Use these graphite-impregnated graphite seals for steam applications in pumps and valves. Cut them to size with a knife; then pack them into place.

Wd.	Ht.	Max. Pressure, psi	Max. Pressure in Pumps, psi	Max. Pressure in Valves, psi	Max. Pressure in Steam, psi	Max. Speed, fpm	Temp. Range, °F	pH Resistance	Color	For Use With		5 ft.	10 ft.	25 ft.
1/8"	1/8"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	000000	000000	000000	000000
3/16"	3/16"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	000000	00000	00000	000000
1/4"	1/4"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	00000	000000	000000
5/16"	5/16"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	00000	000000	000000
3/8"	3/8"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	000000	000000	000000
7/16"	7/16"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	000000	000000	000000
1/2"	1/2"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	000000	000000	000000
5/8"	5/8"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	000000	000000	000000
3/4"	3/4"	3,500	500	3,500	3,500	4,000	-450° to 1200°	1-14	Gray	Brines, Oil, Solvents, Steam, Water	0000000	000000	000000	00000000

Wire-Reinforced Steam-Resistant Packing Seals

The Inconel-wire reinforcement in these expanded-graphite yarn seals ensures they keep their shape longer than the High-Flexibility Steam-Resistant Packing Seals. Use them for steam applications in valves. Cut these seals to size with a knife; then pack them into place.

Wd.	Ht.	Max. Pressure, psi	Max. Pressure in Valves, psi	Max. Pressure in Steam, psi	Temperature Range, °F	pH Resistance	Color	For Use With		5 ft.	10 ft.	25 ft.
1/8"	1/8"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	000000	000000	000000
3/16"	3/16"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	00000	00000	00000
1/4"	1/4"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	00000	00000	000000
5/16"	5/16"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	00000	00000	000000
3/8"	3/8"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	00000	000000	000000
7/16"	7/16"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	00000	000000	000000
1/2"	1/2"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	00000	000000	000000
5/8"	5/8"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	000000	000000	000000
3/4"	3/4"	3,500	3,500	3,500	-100° to 1200°	1-14	Gray	Steam, Water	000000000	000000	000000	000000