Expanded Graphite Packing GR80SGR

Composition

Expanded mineral graphite

Special reinforcement nickel-alloy

Impregnation with graphite-based compound and special components

Characteristics

GR80SGR is composed by expanded graphite strands with a special reinforcement that increases its strength and durability. This expanded graphite packing offers superior performance at high temperatures and very low weight loss during operation, ensuring reliable sealing over time. GR80SGR complies with EN14772 - section 6.7 requirements, ensuring maximum safety in high-pressure applications. With its low coefficient of friction, this expanded graphite packing ensures effective sealing even in extreme conditions. In addition, the Low Emission ISO 15848 certification makes GR80SGR the ideal solution for applications that require low environmental impact and high energy efficiency. With its reliability and ability to maintain elastic and sealing properties over time, GR80SGR minimizes the need for maintenance and saves long-term time and costs.

Applications

The GR80SGR packing is specially designed for low emission industrial valves and those operating under high pressure and temperature conditions. Thanks to its excellent sealing properties, this expanded graphite packing represents the ideal choice for applications that require a high level of reliability and safety, ensuring resistance to reciprocal dynamic stresses, such as those typical of valve opening and closing services. This expanded graphite packing offers maximum flexibility of use, adapting to different application needs and ensuring high performance even in extreme conditions.

Expanded Graphite Packing GR80SGR
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  P bar Ibf/in2 Vm/S f/pm pH T°C T°F
500 7500 1 200 0 ÷ 14 -200 ÷ 450 / 650 -330 ÷ 840 / 1200
100 1500 2 300

  • Never use the product to the maximum temperature and pressure associated. Consult the manufacturer for further information

  • The peak temperature can be sustained for short exposures

  • With weakly oxidizing agents and hot air the temperature must be limited to 450 ° C

  • With steam and non-oxidizing fluids the temperature must be limited to 650 ° C

  • Graphite and carbon cannot be used with oxidizing fluids

size mm size inch kg/box lbs/box mt/box ft/box mt/kg ft/lbs
3  1/8 1 2,2 72 238 72 107,9
4 - 1 2,2 40 132 40 59,9
5  1/5 1 2,2 26 86 26 39
6 - 2,5 5,5 45 149 18 27
6,5  1/4 2,5 5,5 38 125 15,2 22,8
8  1/3 2,5 5,5 25 83 10 15
9,5  3/8 2,5 5,5 18 59 7,2 10,8
10 - 2,5 5,5 16 53 6,4 9,6
11  4/9 2,5 5,5 13 43 5,2 7,8
12 - 2,5 5,5 11 36 4,4 6,6
12,7  1/2 2,5 5,5 10 33 4 6
14  4/7 5 11 16 53 3,2 4,8
16  5/8 5 11 13 43 2,6 3,9
17,5  2/3 5 11 11 36 2,2 3,3
18 - 5 11 10 33 2 3
19  3/4 5 11 9 30 1,8 2,7
22  7/8 5 11 7 23 1,4 2,1
25,5 1    5 11 5 17 1 1,5

 

  • The weight per meter and the packaging's weight may have a tolerance of +/- 10%. Other sizes and packaging are available on demand.