McMaster-Carr

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	Material Material

Graphite Fiber

Carbon Fiber

Graphite

	Width Width

	Length Length

	For Use With For Use With

	Maximum Temperature Maximum Temperature

840° F

1200° F

	Minimum Temperature Minimum Temperature

	Height Height

	Maximum Pressure in Valves Maximum Pressure in Valves

2,500 psi

3,000 psi

3,500 psi

	Maximum Pressure in Steam Maximum Pressure in Steam

2,500 psi

3,000 psi

3,500 psi

	Maximum Pressure in Pumps Maximum Pressure in Pumps

250 psi

500 psi

	Maximum Pressure Maximum Pressure

	Maximum Speed Maximum Speed

4,000 fpm

4,400 fpm

	Minimum pH Resistance Minimum pH Resistance

	Backing Type Backing Type


Adhesive	Plain

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33 Products

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

High-Speed Steam-Resistant Packing Seals

Made of graphite-impregnated carbon, these steam-resistant seals dissipate heat from the shaft to protect pumps and valves when operating at high speeds. 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"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	000000	000000	000000	000000
3/16"	3/16"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	000000	00000	00000	00000
1/4"	1/4"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	000000	00000	00000	000000
5/16"	5/16"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	0000000	00000	00000	000000
3/8"	3/8"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	0000000	00000	000000	000000
7/16"	7/16"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	0000000	00000	000000	000000
1/2"	1/2"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	0000000	000000	000000	000000
5/8"	5/8"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	0000000	000000	000000	000000
3/4"	3/4"	3,500	500	3,500	3,500	4,400	-450° to 1200°	1-14	Gray	Steam, Water	0000000	000000	000000	000000

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

Packing Seal Tape

Plain Back

Adhesive Back

For use in valves and pumps, this thin, flexible tape is made from high-purity graphite with no fibers or binders that could contaminate your process line. Graphite is self-lubricating, plus it provides outstanding performance over a wide temperature range.

Adhesive-back tape stays in place during installation.

Plain Back
Wd.	Thick.	Temperature Range, °F	Temperature Range in Steam, °F	pH Resistance	Color	For Use With	Lg., ft.		Each
1/4"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
1/2"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
3/4"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
1"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
Adhesive Back
1/4"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
1/2"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
3/4"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000
1"	0.015"	-320° to 840°	212° to 1,200°	0-14	Gray	Acids, Alkalies, Brines, Oil, Solvents, Water	50	0000000	00000

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