Graphite Gland packing / Rope Seal reciprocating pumpsGraphite shaft stem usage

Description
Vulcan mechanical gland packings are square braided on the most advanced braiding machines available, giving a high degree of resilience and consistency of volume, leading to significantly longer life.

For further information regarding choosing the correct size and installing effectively, please contact us for more details.
This listing is for your choice in length and cross-section of pure expanded graphite gland packing - please choose your desired size from the drop down menus above.

This Vulcan VR3 packing is self-lubricating, and offers high chemical resistance over a wide temperature and pH range.   Constructed from 100% Grafan yarns.   this expanded graphite packing offers truly exceptional capabilities and performance,

Under compression in the gland, VR3 die-forms into packing rings- this eliminates the requirement for ribbon tape around valve stems, and the need for individual sizes of separate die-formed rings.   The need for fewer packing components therefore ensures a great cost saving over the lifetime of the product.   This packaging material can simply be cut to length and spiralised into the gland (there is no need for individual cut rings)

Grafan is self-lubricating, and will not harden, shrink or dry out in use.   This is a long life and zero-leakage packaging for all uses, in high temperature, high pressure and high speed applications.
Suitable for use on: rotary and reciprocating pumps, mixers, valves, expansion joints, agitators, ball valve seats, and other static seals.
Resistant against: all acids, alkalis and solvents (except very strong oxidants), as well as gases, feed water, and superheated or saturated steam.

Specification
Pressure Rating: 200 Bar
Rotary Speed: 30m/s
pH Range: 0.14
Temp.Range (inert ATM): -200°C to +600°C
Temp.Range (in Air): -200°C to +300°C
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