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Gland Packing in PTFE, Graphite and Aramid

Graphite gland packing, PTFE gland packing and aramid packing

We offer asbestos-free braided packing for dynamic and static sealing. State the cross-section, medium, temperature and pressure so that the correct product code can be selected.

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Gland packing, also known as sealing cord, consists of braided fibre cords made from materials such as PTFE, aramid or graphite, with or without lubricant impregnation. It is used in the glands of centrifugal pumps, valves, agitators and other fittings to provide a dynamic seal around a moving shaft.

Construction: braided, cross-braided or square-braided. Square cross-section. The size is selected to suit the gland.

Materials: expanded graphite, up to +550°C in steam; graphite-filled PTFE, product 2810 for chemical applications; aramid fibre for abrasion; and PTFE-impregnated ramie for low-temperature water.

Types of packing

Main types of gland packing:

  • PTFE – chemical resistance and a low coefficient of friction.
  • Graphite-filled PTFE – graphite assists heat dissipation, while PTFE provides a low coefficient of friction.
  • Graphite packing – for applications where thermal resistance is important. Oxidising conditions require separate selection.
  • Carbon packing – a separate class that includes product code 2900.
  • Aramid packing – the catalogue includes product codes 2710 and 2840. Product 2710 is recommended for abrasive media.
  • PTFE-impregnated ramie packing – for pumps, valves and fittings handling water, oils and mild chemical solutions.

We manufacture moulded graphite rings from flexible graphite for sealing spindle and shaft glands in valves, fittings and pumps.

Selecting packing

Selection by medium, motion and gland design:

  • Rotary, oscillating or static operation – each variant requires a separate check.
  • Water, steam, oils, fuels and solvents – the compatibility of a specific product code is selected for the medium and operating conditions.
  • Acids, alkalis and salt solutions – chemical resistance must be verified.
  • Suspensions and abrasive media – abrasion resistance and shaft movement are taken into account.
  • Pumps, valves, fittings, agitators and mills – selection depends on the design of the equipment and gland.
  • Manholes, chemical tanks and hatches – braided packing can also be used for static seals.
Macro close-up of white PTFE packing with fishbone braid - 8-strand herringbone structure

Industries and applications

Dynamic applications

Glands in pumps, valves, fittings, agitators and mills. Selection depends on the medium, type of motion and gland design.

Static applications

Sealing manholes, chemical tanks and hatches.

Process industries

Applications in the chemical, petrochemical, paper, dyeing and fertiliser industries.

Energy and municipal services

Applications in power generation, mining, municipal services and the sugar industry.

Macro of black graphite packing with herringbone braid - PTFE-graphite for pumps and valves

Product code catalogue

The Anbi-Tech catalogue includes the following product codes:

  • 2311, 2311 S, 2412, 2810
  • 2113, 2104, 2121, 2900, 2114, 2100
  • 2710, 2840
  • 2401, 2402, 2403, 2220
  • moulded graphite rings

We base product selection on the medium, type of motion and gland design.

Parameters of individual packing products

Product code or product Operating temperature Density Shaft speed pH range Rotary pressure Oscillating pressure Static pressure
2311 -130 to +270°C 1.6 10 m/s 0-14 10 bar 100 bar 100 bar
2311 S -40 to +280°C 1.7 15 m/s 0-14 10 bar 20 bar 200 bar
2412 -200 to +280°C 1.65 8 m/s 0-14 50 bar 200 bar 400 bar
2810 -200 to +280°C 1.65 20 m/s 0-14 20 bar 150 bar 200 bar
2113 -240 to +450°C, up to 650°C in steam 1.2 40 m/s 0-14 40 bar not applicable 200 bar
2104 -240 to +280°C 1.3 20 m/s 0-14 25 bar not applicable 150 bar
2121 -240 to +600°C, up to 650°C in steam 1.1 2 m/s 0-14 not applicable not applicable 320 bar
2900 -240 to +500°C, up to 600°C in steam 1.2 20 m/s 0-14 50 bar 150 bar 200 bar
2114 -240 to +450°C, up to 650°C in steam 1.15 30 m/s 1-14 50 bar not applicable 500 bar
2100 -240 to +600°C, up to 650°C in steam 1.2 1 m/s 0-14 not applicable not applicable 500 bar
2710 -100 to +280°C 1.5 20 m/s 2-12 15 bar 120 bar 120 bar
2840 -100 to +280°C 1.6 25 m/s 2-12 50 bar 100 bar 300 bar
2401 -100 to +280°C 1.6 12 m/s 2-12 30 bar 150 bar 180 bar
2402 -150 to +280°C 1.6 15 m/s 2-12 30 bar 200 bar 300 bar
2403 -150 to +280°C 1.5 15 m/s 2-12 30 bar 200 bar 300 bar
2220 -30 to +260°C 1.5 12 m/s 5-11 20 bar 100 bar 100 bar
Moulded graphite rings up to +600°C 1.3-1.6 – 0-14 – – –

The technical data provided are a guide for material selection and do not guarantee that the packing will perform correctly under particular conditions.

Full material data sheets

2311: Dry PTFE gland packing
Product code 2311
Material pure PTFE yarn
Operating temperature -130 to +270°C
Density 1.6
Impregnation PTFE
Shaft speed 10 m/s
Lubrication none
pH range 0-14
Applications food, chemical and pharmaceutical industries, drinking-water treatment plants and oxygen installations; resistant to oils, steam, fuels and solvents
Rotary pressure 10 bar
Oscillating pressure 100 bar
Static pressure 100 bar
2311 S: PTFE gland packing lubricated with silicone oil
Product code 2311 S
Material pure PTFE yarn with silicone oil
Operating temperature -40 to +280°C
Density 1.7
Impregnation PTFE
Shaft speed 15 m/s
Lubrication yes
pH range 0-14
Applications food, chemical and pharmaceutical industries and drinking-water treatment plants; resistant to water, steam, oils and fuels
Rotary pressure 10 bar
Oscillating pressure 20 bar
Static pressure 200 bar
Type 2412

We confirm the material composition for this product code when the order is placed.

Product code 2412
Operating temperature -200 to +280°C
Density 1.65
Shaft speed 8 m/s
Lubrication silicone oil
pH range 0-14
Applications chemical and petrochemical industries, power generation, mining, municipal services, pharmaceutical, food and sugar industries
Rotary pressure 50 bar
Oscillating pressure 200 bar
Static pressure 400 bar
2810: Graphite-filled PTFE gland packing
Product code 2810
Material PTFE yarn with graphite and silicone oil
Operating temperature -200 to +280°C
Density 1.65
Impregnation PTFE
Shaft speed 20 m/s
Lubrication silicone oil
pH range 0-14
Applications chemical, paper and dyeing industries, fertiliser production, and contact with water, steam, oils and acids other than very strong oxidising acids
Rotary pressure 20 bar
Oscillating pressure 150 bar
Static pressure 200 bar
2113: Graphite gland packing with a cotton core
Product code 2113
Material pure expanded graphite yarn
Operating temperature -240 to +450°C, up to 650°C in steam
Density 1.2
Impregnation none
Shaft speed 40 m/s
Lubrication none
pH range 0-14
Applications for pumps handling chemically aggressive media in power generation and for sealing high-temperature boiler feed pumps in the petrochemical industry; it can replace graphite rings
Rotary pressure 40 bar
Oscillating pressure not applicable
Static pressure 200 bar
2104: PTFE-impregnated graphite gland packing
Product code 2104
Material expanded graphite yarn
Operating temperature -240 to +280°C
Density 1.3
Impregnation none
Shaft speed 20 m/s
Lubrication PTFE dispersion
pH range 0-14
Applications for centrifugal pumps, valves and fittings in the chemical and energy industries, in contact with water, oils, steam, solvents and acids other than strong oxidising acids
Rotary pressure 25 bar
Oscillating pressure not applicable
Static pressure 150 bar
2121: Inconel-reinforced graphite gland packing
Product code 2121
Material pure expanded graphite yarn
Operating temperature -240 to +600°C, up to 650°C in steam
Density 1.1
Impregnation reinforced with fine Inconel wire
Shaft speed 2 m/s
Lubrication none
pH range 0-14
Applications for valves operating at very high temperatures and pressures in contact with steam, oils and acids other than strong oxidising acids
Rotary pressure not applicable
Oscillating pressure not applicable
Static pressure 320 bar
2900: Carbon gland packing
Product code 2900
Material carbon yarn
Operating temperature -240 to +500°C, up to 600°C in steam
Density 1.2
Impregnation none
Shaft speed 20 m/s
Lubrication PTFE dispersion
pH range 0-14
Applications for centrifugal pumps, valves and fittings in the chemical and energy industries, in contact with water, oils, steam, solvents and acids other than strong oxidising acids
Rotary pressure 50 bar
Oscillating pressure 150 bar
Static pressure 200 bar
2114: Graphite gland packing
Product code 2114
Material pure expanded graphite yarn
Operating temperature -240 to +450°C, up to 650°C in steam
Density 1.15
Impregnation none
Shaft speed 30 m/s
Lubrication none
pH range 1-14
Applications for valves operating at very high temperatures and pressures in contact with steam, oils and acids other than strong oxidising acids
Rotary pressure 50 bar
Oscillating pressure not applicable
Static pressure 500 bar
2100: Inconel mesh-reinforced graphite gland packing
Product code 2100
Material natural expanded graphite yarn
Operating temperature -240 to +600°C, up to 650°C in steam
Density 1.2
Impregnation CrNi Inconel mesh
Shaft speed 1 m/s
Lubrication none
pH range 0-14
Applications for contact with steam, oils and acids other than strong oxidising acids; chemical and petrochemical industries; valves and fittings handling chemically aggressive media; resistant to oils
Rotary pressure not applicable
Oscillating pressure not applicable
Static pressure 500 bar
2710: Continuous-fibre aramid packing impregnated with PTFE
Product code 2710
Material PTFE-coated aramid yarn
Operating temperature -100 to +280°C
Density 1.5
Impregnation PTFE with paraffin oil
Shaft speed 20 m/s
Lubrication silicone
pH range 2-12
Applications chemical and petrochemical industries, power generation and mining; recommended for highly abrasive media such as suspensions of sand, sewage and other solids
Rotary pressure 15 bar
Oscillating pressure 120 bar
Static pressure 120 bar
2840: Chopped-fibre aramid packing impregnated with graphite
Product code 2840
Material chopped aramid yarn with graphite dispersion
Operating temperature -100 to +280°C
Density 1.6
Impregnation graphite
Shaft speed 25 m/s
Lubrication yes
pH range 2-12
Applications for high-pressure operation in contact with water, steam, salt solutions, moderately strong acids and alkalis, and organic media such as fuels, oils, lubricants and solvents
Rotary pressure 50 bar
Oscillating pressure 100 bar
Static pressure 300 bar
Type 2401

We confirm the material composition for this product code when the order is placed.

Product code 2401
Operating temperature -100 to +280°C
Density 1.6
Shaft speed 12 m/s
Lubrication silicone
pH range 2-12
Applications food, chemical and pharmaceutical industries and drinking-water treatment plants; resistant to water, steam, oils, fuels, solvents, acids and alkalis other than strong oxidising agents
Rotary pressure 30 bar
Oscillating pressure 150 bar
Static pressure 180 bar
2402: Graphite-filled PTFE gland packing interbraided with aramid
Product code 2402
Material PTFE yarn with graphite, aramid yarn and silicone oil
Operating temperature -150 to +280°C
Density 1.6
Impregnation none
Shaft speed 15 m/s
Lubrication silicone
pH range 2-12
Applications for water, oils, fuels, solvents, and moderately strong acids and alkalis; used in the chemical, fertiliser and food industries
Rotary pressure 30 bar
Oscillating pressure 200 bar
Static pressure 300 bar
2403: Graphite-filled PTFE gland packing interbraided with aramid
Product code 2403
Material PTFE yarn with graphite, aramid yarn and silicone oil
Operating temperature -150 to +280°C
Density 1.5
Impregnation none
Shaft speed 15 m/s
Lubrication silicone
pH range 2-12
Applications chemical, fertiliser and food industries; equipment operating with water, hot water, salt solutions, most acids and alkalis, fuels, oils and solvents, and suspensions of solid particles in these media
Rotary pressure 30 bar
Oscillating pressure 200 bar
Static pressure 300 bar
2220: PTFE-impregnated ramie yarn packing
Product code 2220
Material ramie yarn with PTFE impregnant
Operating temperature -30 to +260°C
Density 1.5
Impregnation PTFE
Shaft speed 12 m/s
Lubrication none
pH range 5-11
Applications for pump, valve and fitting glands in all industries and municipal services, in contact with water, oils, fuels, lubricants and solvents; resistant to aqueous solutions of salts, weak acids and weak alkalis
Rotary pressure 20 bar
Oscillating pressure 100 bar
Static pressure 100 bar
Moulded graphite rings
Material pressed flexible graphite
Operating temperature up to +600°C
Density 1.3-1.6
pH range 0-14
Applications for sealing spindle and shaft glands in district-heating, chemical and petrochemical valves and fittings, centrifugal pumps and high-pressure valves and fittings

The technical data provided are a guide for material selection and do not guarantee that the packing will perform correctly under particular conditions.

View downloadable documents

Gland packing enquiry

Selecting packing requires the medium, type of motion and gland design to be specified.

Send an enquiry
Macro of yellow-and-black composite packing, aramid Kevlar plus graphite - alternating braid

Gland packing quotation

Provide the gland dimensions, including cross-section and length, medium, temperature and pressure, and we will prepare a quotation.

ANBI-TECH Sp. z o.o., Olewin 50A, 32-300 Olkusz. Telephone +48 32 788 70 10. Email: anbi@anbi-tech.pl.

Send an enquiry

FAQ - gland packing

Aramid is a fibre made from aromatic polyamides, with high tensile strength and resistance to high temperatures. In gland packing, it is used for abrasive media, including suspensions of sand and sewage. The packing catalogue lists aramid products 2710 and 2840. Selection depends on the medium, type of motion and gland design.

Depending on the material and parameters of the specific product code, gland packing is used in pump, valve and fitting glands and around shafts and spindles, among other applications. It must be matched to the medium and operating conditions.

Provide the medium, temperature, pressure, type of motion or shaft speed, and the required cross-section or gland dimensions. Selection is made for a specific product code because parameters vary between packing products.

Customer reviews

Customer references

We publish references we have received and reviews from the ANBI-TECH business profile on Google Maps. The English versions are faithful translations of the Polish originals.

I can wholeheartedly recommend Anbi-Tech as a reliable and professional partner in machining and in manufacturing parts for the pharmaceutical industry. This is the third company where I have had the pleasure of working with Anbi-Tech, and the cooperation has been of the highest standard every time.

The pharmaceutical industry is exceptionally demanding: precision, on-time delivery, material quality and a full understanding of the customer’s needs all matter. Anbi-Tech has repeatedly proved that it is very well suited to this environment. The company has manufactured change parts, spare parts, filling needles, conveyor screws, components for dispensing powders and liquids, and many other production components for us.

The quality of the parts deserves particular recognition, whether they are made from 316L and 304 stainless steel or plastics such as POM, polyurethane and polycarbonate. The components are manufactured to a very high standard, with close attention to accuracy and detail, which is crucial in our industry.

Anbi-Tech has literally ‘saved our skin’ on many occasions in emergencies where time, a rapid response and a flexible approach to the customer mattered. A major strength of the company is its modern machinery, which enables it to complete even highly demanding projects while maintaining the highest standard of workmanship.

The people are equally important: the company’s staff always show complete commitment and a willingness to cooperate and provide technical support. Their extensive experience, professionalism and collaborative approach to customers are clear to see.

In pharmaceuticals, the ‘paperwork’, meaning certificates, is also important. The certificates have never been questioned during customer or regulatory audits, for example by GIF.

I strongly recommend working with Anbi-Tech to any company looking for a proven, reliable and quality-focused technical partner.

Dariusz Stachowicz, Senior Maintenance Manager, Polfa Warszawa S.A.

We had a very good experience working with Anbi-Tech on a new production line project for a bottling plant. Using a bottle sample and components from the old line, its engineer prepared the design and documentation for new change parts in SolidWorks. Anbi-Tech then manufactured timing screws, star wheels, drive components, bottle orienters, bottle turners and feeding components, among other items.

A major advantage is the end-to-end approach, from analysis and design through to the manufacture of finished components. Their considerable technical experience, precision and ability to solve unusual problems are clear. I recommend them.

Bartłomiej Ć, Specialist, ORLEN

We work with Anbi-Tech to manufacture parts and technical components for our projects. We value them above all for their workmanship, on-time delivery and excellent communication. When requirements are unusual, they can advise us and find a solution instead of simply manufacturing a part from a drawing. A reliable partner that I am happy to recommend.

Marek P., Production Manager, Triccor

A reliable company with extensive experience! They manufacture parts from steel, aluminium and specialist plastics such as POM and PTFE. Every service, whether turning, milling or CNC cutting, is carried out perfectly and with attention to the smallest detail. Excellent communication, professional advice and consistently on-time delivery. I wholeheartedly recommend them to anyone who needs reliable components.

Damian Lab

Send us your project for a quotation

PDF or DXF drawing, or a 3D model

For a quotation, send a PDF or DXF drawing or a STEP model with dimensions. State the material, the number of pieces and the quality requirements. A photograph of the part alone, without dimensions, does not allow a reliable quotation to be prepared.

If the project combines several operations, we will agree the scope of machining, inspection, assembly and processes carried out by partners.

Tel.: +48 32 788 70 10
Mobile: +48 693 726 777
Mobile: +48 693 726 127

Tel.: +48 32 788 70 10
Mobile: +48 693 726 777
Mobile: +48 693 726 127

Olewin 50A, 32-300 Olkusz
VAT ID: PL6372190715

Olewin 50A, 32-300 Olkusz
VAT ID: PL6372190715

anbi@anbi-tech.pl

anbi@anbi-tech.pl

    Get in touch

    Write to us. We will gladly answer any question.