China Flange Insulation Gasket Kit Manufacturer – Pipe Flange Insulation Kits for Cathodic Protection & Corrosion Control
Kaxite Sealing is a leading flange insulation gasket kit supplier in China, offering pipe flange insulation kits, dielectric flange insulation kits, and flange insulation gasket sets for cathodic protection, corrosion prevention, and stray current isolation. Trusted by oil & gas, chemical, marine, and water treatment industries. 20+ years of experience, exporting to 100+ countries.
Flange Insulation Solutions by Industry
Select your industry – we supply the right flange insulation gasket kit for cathodic protection and corrosion control.
Oil & Gas
Flange insulation kits for pipelines, refineries, and offshore platforms – prevents galvanic corrosion and stray current
Chemical Processing
Corrosion-resistant flange isolation kits for aggressive media, high temperatures, and pressure vessels
Marine & Offshore
Saltwater and corrosion-resistant flange insulation kits with CCS approval for shipbuilding and offshore
Power Generation
Flange isolation kits for cooling water systems, steam turbines, and heat exchangers
Water & Wastewater
Dielectric flange insulation kits for corrosion control in water treatment and desalination plants
Custom OEM / ODM
Custom sizes, materials, and designs – to your spec or drawing. Type D, Type E, and VCS grades available
Material Selection & Application Guide
Choose the right flange insulation gasket kit material based on your operating conditions, media, and performance requirements.
G10 Epoxy / Fiberglass
- ✔ Temperature: -40°C to 180°C
- ✔ Pressure: up to 50 MPa
- ✔ Dielectric strength: 20 kV/mm
- ✔ Best for: VCS, oil & gas, high-pressure pipelines
Phenolic / Phenolic Laminate
- ✔ Temperature: -40°C to 150°C
- ✔ Pressure: up to 35 MPa
- ✔ Dielectric strength: 15 kV/mm
- ✔ Best for: general industrial, water treatment, low-pressure systems
Neoprene Faced Phenolic
- ✔ Temperature: -30°C to 120°C
- ✔ Pressure: up to 25 MPa
- ✔ Dielectric strength: 12 kV/mm
- ✔ Best for: water, wastewater, chemical, lower-pressure flange isolation
PTFE / Teflon
- ✔ Temperature: -200°C to 260°C
- ✔ Pressure: up to 20 MPa
- ✔ Dielectric strength: 18 kV/mm
- ✔ Best for: chemical processing, aggressive media, high-purity applications
Custom / Hybrid Solutions
- ✔ Temperature: Varies by material combination
- ✔ Pressure: Varies by design
- ✔ Dielectric strength: Up to 25 kV/mm
- ✔ Best for: OEM, specialized applications, custom dimensions, multi-layer designs
Selection Criteria – How to Choose the Right Flange Insulation Kit
Why Industry Leaders Choose Kaxite
- ✅ NACE SP0206 & API 6A compliant designs
- ✅ 20+ years of flange insulation manufacturing expertise
- ✅ Full kits include gasket, sleeves, washers, and spacers
- ✅ Type D, Type E, VCS Very Critical Service grades
- ✅ Custom sizes up to 2000mm diameter
- ✅ G10, phenolic, PTFE, and neoprene faced materials
- ✅ Factory-direct – competitive wholesale pricing
- ✅ ISO 9001:2015 certified facility
Frequently Asked Questions
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