Operating range

Kreiselpumpe Pressure [pmax]: 20 bar
Velocity [vmax]: 20 m/s
Armatur Pressure [pmax]: 300 bar
pH: 0 - 14
Density 1.20 g/cm³

Temperature: t = -200… +550 °C

Practical useful application data:

max. temperature in oxidizing atmosphere: +400 °C

Main application

  • Valves
  • Fittings
  • Gate valves
  • Flaps
  • Door and lid seals

Suitable for

  • Power plant technology
  • Boiler houses
  • Petrochemical plants
  • High pressure- and high temperature applications


For higher pressure and temperature applications use suitable bullrings.

Form of delivery

Registered users can view stock information

This packing can be manufactured from 3 to 40 mm square as well as in intermediate, inch sizes and special measurements.

03 - 09 mm on 1 kg spool
10 - 15 mm on 2,5 kg spool
16 - 25 mm on 5 kg spool

Special length, pre-cut or die formed rings on request.

1 kg of packing of the following cross-sections is equivalent to displayed meter lengths:

Size mm["]Meter
3.2 [1/8"]81.4
452.1
5 [3/16"]33.3
623.1
6.35 [1/4"]20.7
717.0
8 [5/16"]13.0
9.5 [3/8"]9.2
108.3
11 [7/16"]6.9
Size mm["]Meter
125.8
12.7 [1/2"]5.2
14 [9/16"]4.3
153.7
16 [5/8"]3.3
182.6
19 [3/4"]2.3
202.1
22 [7/8"]1.7
25 [1"]1.3

A 44 Grapho
Braid of Flexible Expanded Graphite Tape

Characteristics

  • Universal use in pumps and valves
  • Very good dry-running characteristics
  • No wear, perfect thermal conductivity
  • High quality pure graphite
  • Coefficient of thermal expansion similar to steel
  • Rings should be approx.  20 - 25 % compressed during assembly
  • Recommended as die formed rings
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