Stern glands & waste water systems 

Description: Dense yet flexible packing, plaited from good quality flax yarns. Each yarn is uniformly impregnated with high purity petroleum jelly and coated with flake graphite prior to plaiting. Flax yarns are selected for strength, durability, rot resistance and lubricant retention properties.

Typical applications:Highly popular for marine use on smaller stern glands and bilge pumps. Also suitable for land based pumps handling waste water or sewage.

Prime features: Responsive to gland adjustments. Long life and reduced leakage. Easy to cut and fit.

Chemical properties: Compatible with media in the range pH 6-1

How Supplied:All popular square sections from 3mm to 25mm, boxed in 8m lengths. Larger cross sections manufactured to order. Also supplied as split preformed rings and sets. Full fitting instructions are included.

Service capabilities

Valve Stem Duties
Maximum Temperature +95c
Minimum Temperature -40c
Maximum system pressure 100bar
Centrifugal Pumps & rotary equipment
Operating Temperatures as valve stem
Maximum shaft speed 7.5m/s
Max system pressure 25bar
Reciprocating pumps and rams
Operating temperatures as valve stem
Maximum rod speed 1m/s
Maximum system pressure 100bar