Braided Graphite Tube
Model:KXT 1830
Braided graphite tube KXT 1830 is formed from expanded graphite yarn into a continuous flexible tube, supplied on 2 kg rolls for on-site gasket forming. It is used as an endless gasket strip on heat exchangers, boilers, process pipework flanges, doors and covers where the joint geometry is uneven, high temperature or high pressure. Standard version rated to 100 bar; wire-reinforced version rated to 200 bar. Working temperature range −240 °C to +550 °C; pH 0 – 14. Available in sizes from 1/2" up to 5", with optional self-adhesive film on one side for vertical and overhead installation. The tube is the field-formable sealing solution for plant shutdowns and turnarounds, where a pre-cut gasket cannot accommodate the actual joint geometry. OEM / wholesale pricing from 20 kg total order weight.
Kaxite · Braided Graphite Tube · Model KXT 1830
Braided Graphite Tube for Heat Exchangers, Boilers and High-Temperature Flange Sealing — OEM Bulk Supply
Braided graphite tube KXT 1830 is formed from expanded graphite yarn into a continuous flexible tube, used as an endless gasket strip on vessels, flanges, doors and covers where conditions are highly uneven, high temperature and high pressure. It is supplied without or with metallic wire reinforcement, and can be produced with a self-adhesive film on one side for faster installation during plant revisions.
The tube is the field-formable sealing solution for heat exchangers, boilers and process pipework where a pre-cut gasket cannot accommodate the actual joint geometry. Buyers are refinery and chemical plant maintenance teams, boiler and heat exchanger OEMs, and industrial seal distributors supplying shutdown and turnaround projects.
Working Temperature Range
−240 °C to +550 °C
Maximum Working Pressure
100 bar standard / no wire
200 bar wire reinforced
01
What a Braided Graphite Tube Is and Where It Is Used
Braided graphite tube — sometimes called endless graphite gasket strip or graphite tape in tube form — is made from expanded graphite yarn braided into a continuous flexible tube. The tube is supplied on a roll, and the installer cuts and forms it into the exact gasket shape required at the joint. Unlike a pre-cut gasket, it can be wound around any flange profile, including oval, elliptical and irregular manhole or handhole seats.
Typical applications include:
- Heat exchangers — shell and tube cover plates, channel covers and nozzle flanges where the joint geometry varies between units.
- Boilers and steam systems — manhole seats, handhole covers, header joints and inspection openings on hot-service vessels.
- Process pipework flanges — high temperature and high pressure flange joints in refinery, petrochemical and power plant service.
- Doors and covers — access doors and covers on industrial equipment where the sealing surface is uneven or heat-cycled.
- Shutdown and turnaround spares — supplied on 2 kg rolls so a maintenance crew can form gaskets on site rather than waiting on pre-cut parts.
02
Product Specifications — KXT 1830
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- Model
- KXT 1830
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- Construction
- Braided expanded graphite yarn tube
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- Available Sizes
- 1/2" up to 5"
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- Standard Package
- 2 kg / roll
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- Custom Package
- Other roll sizes on request
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- Temperature Range
- −240 °C up to +550 °C
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- pH Range
- 0 – 14
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- Max Pressure (no wire)
- 100 bar
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- Max Pressure (with wire)
- 200 bar
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- Metallic Wire Reinforcement
- Optional — on request
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- Self-Adhesive Film
- Optional — one side
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- Manufacturer
- Kaxite
03
Standard vs Wire-Reinforced Graphite Tube — Which to Specify
The two standard configurations differ only in the reinforcement and the resulting pressure capability. Choose based on the joint pressure rating and the mechanical handling the tube will see during installation.
| Configuration | Max Working Pressure | Best For |
|---|---|---|
| Standard (no wire) | 100 bar | General high-temperature flange sealing where pressure is moderate and the tube stays well supported inside the joint. |
| Wire Reinforced | 200 bar | High-pressure joints, larger diameter covers and manholes, and any application where the tube must resist extrusion or handling damage. |
| Self-Adhesive | Same as above | Vertical or overhead installation where the tube must stay in place before the joint is closed. Can be combined with either standard or wire-reinforced construction. |
04
Prime Features of the Braided Graphite Tube
Feature 01 Easy handling to any size
The tube is cut and formed on site to match the exact joint geometry — no pre-cut sizes, no dies, no measuring errors.
Feature 02 Universal gasket during revisions
A single roll covers every flange size on the shutdown list, which simplifies turnaround spare planning and reduces stock items.
Feature 03 Saves money and time
No waiting for pre-cut gaskets, no minimum order quantity per size, and no wasted offcuts on non-standard joints.
Feature 04 Optional self-adhesive backing
The tube can be supplied with adhesive film on one side so it holds position on vertical and overhead surfaces before the joint is closed.
Feature 05 Extreme temperature range
Service from −240 °C to +550 °C covers cryogenic joints through to hot steam and process service with a single material.
Feature 06 Full pH range chemical resistance
Expanded graphite resists attack across pH 0 – 14, suitable for acids, alkalis and most industrial process media.
05
Ordering Braided Graphite Tube
Tube is supplied on standard 2 kg rolls, with custom roll weights available on request. Send the five details below and Kaxite will return a quotation — typically within one working day.
Step 01 Tube size — 1/2" up to 5"
Step 02 Construction — standard or wire reinforced
Step 03 Adhesive — plain or self-adhesive one side
Step 04 Quantity — number of 2 kg rolls
Step 05 Shipping term and destination port
06
Braided Graphite Tube — FAQ
Q 01
What is a braided graphite tube made from?
It is made from expanded graphite yarn that is braided into a continuous flexible tube. The tube can be supplied with or without metallic wire reinforcement, and optionally with a self-adhesive film on one side for installation convenience.
Q 02
What is the difference between the standard and wire-reinforced version?
The standard version is rated to 100 bar and is used for general high-temperature flange sealing. The wire-reinforced version is rated to 200 bar and is specified for high-pressure joints, larger diameter covers and manholes, and any application where the tube needs extra resistance to extrusion or handling damage.
Q 03
What temperature and pH range does it handle?
The working temperature range is −240 °C to +550 °C, covering both cryogenic and high-temperature service. The pH range is 0 – 14, suitable for acids, alkalis and most industrial process media.
Q 04
What sizes are available?
The braided graphite tube is produced in sizes from 1/2" up to 5". Custom sizes outside this range can be quoted on request.
Q 05
How is the tube supplied?
Standard packaging is 2 kg per roll. Other roll weights are available on request. The roll format lets the installer cut and form the tube on site to match the exact joint geometry, without pre-cut sizes or dies.
Q 06
Can the tube be used on irregular or non-standard flanges?
Yes. This is one of the tube's main advantages. Because it is flexible and formable, it can be wound into oval, elliptical and complex joint outlines where a pre-cut gasket would not fit. It is the standard choice for manholes, handholes and non-circular covers.
Q 07
What is the self-adhesive option for?
Self-adhesive film on one side holds the tube in place on vertical or overhead surfaces before the joint is closed. This is useful during shutdown work where the joint is difficult to access and the installer needs both hands free.
Q 08
What quantity is required for OEM / wholesale pricing?
OEM and wholesale pricing applies from 20 kg total order weight. For regular supply agreements and project quantities, we can schedule recurring deliveries and quote tiered pricing. Send the annual or project quantity for volume tier details.
Request a Braided Graphite Tube Quotation
Send the tube size, construction (standard or wire reinforced), adhesive option, quantity and shipping term. Kaxite supplies KXT 1830 braided graphite tube to refineries, chemical plants, boiler OEMs and seal distributors worldwide — from a single 2 kg roll to full project quantities.
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Contact Info
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Address
No. 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
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