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3R 742
BRAIDED PACKING SPUN ARAMID
YARN, PTFE IMPREGNATED

ISO 9001 : 2000 Certified
3R 742 packing is an interlock braid, using spun aramid carded yarns, treated individually with PTFE suspensoid. The packing is also lubricated with silicone based compound for quick and easy break-in. The use of spun aramid fibers produces a softer and very tough packing, but one that is less abrasive than packings braided with aramid filaments.

Applications //

3R 742 packing is a durable packing able to withstand granular and abrasive applications. It is recommended for service in superheated steam, slurries, petroleum derivatives, solvents, chemicals, liquified gases, pulp and paper stocks, sugar syrups and other abrasive fluids. For a firmer aramid/PTFE packing, with higher pressure capabilities, see 3R 740.

Service limits //


Minimum temperature:	-150°F (-100°C)
Maximum temperature:	540°F (280°C)
Pressure: Rotating	300 psi (20 bar)
Reciprocating	1150 psi (80 bar)
Static	2200 psi (150 bar)
Shaft Speed:	2950 fpm (15 m/s)
pH :	2-12

Approximate yields // Feet per pound


1/8"	3/16"	1/4"	5/16"	3/8"	7/16"	1/2"	9/16"	5/8"	3/4"	7/8"	1"
78.3	42.5	26.6	16.4	10.8	8.5	6.4	5.2	4.2	3.0	2.1	1.7

06-07/rev.3

	N.B. The information, details, dimensions and values indicated are to our best knowledge. We recommend testing according to local conditions. The specifications are subject to change without notice.
	55, Route 116 West, Danville (Quebec) J0A 1A0 Tel.: (819) 839-2793 Fax: (819) 839-2797 • www.industries3r.com

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3R 742 BRAIDED PACKING SPUN ARAMID YARN, PTFE IMPREGNATED

3R 742
BRAIDED PACKING SPUN ARAMID
YARN, PTFE IMPREGNATED