ASME B16.5 Flange Insulation Gasket Kit for Sour Service Supplied to Turkey
Haihao Group recently completed the production and shipment of a batch of ASME B16.5 flange insulation gasket kits for sour service to a customer in Turkey. The insulation sets were designed for raised face (RF) Class 300 flanges and manufactured to meet demanding pipeline isolation requirements in corrosive operating environments.
The supplied products feature G11 insulating components, coated hardened carbon steel washers, and a wide operating temperature range from -40°C to +200°C, making them suitable for oil and gas, petrochemical, and pipeline infrastructure projects.
Project Overview
The order consisted of flange insulation kits designed for electrical isolation and corrosion prevention in flange connection systems.
Product Specifications
Kit Components
- G11 retainer gasket
- G11 insulating sleeves
- Coated hardened carbon steel insulating washers
- Coated hardened carbon steel locking washers
- 4 insulating sleeves
- 8 insulating washers
- 8 locking washers
The complete assembly provides electrical isolation between flange faces and bolting systems while maintaining sealing performance under operating pressure.
ASME B16.5 flange insulation gasket kit for sour service supplied by Haihao Group
What Is a Flange Insulation Gasket Kit?
A flange insulation gasket kit for sour service is a specialized sealing and isolation solution used to electrically separate two mating flanges.
These kits help prevent:
- Galvanic corrosion
- Electrochemical attack
- Stray current corrosion
- Premature flange degradation
By interrupting the electrical path between connected pipeline sections, insulation kits contribute significantly to long-term pipeline integrity and cathodic protection effectiveness.
Because of these benefits, ASME B16.5 flange insulation gasket kits for sour service are widely specified in critical pipeline systems.
Why G11 Material Is Selected for Insulation Components
The supplied kits utilize G11 insulating materials for both the gasket retainer and insulating sleeves.
G11 is widely recognized for:
- High dielectric strength
- Excellent mechanical performance
- Low moisture absorption
- Good chemical resistance
- Reliable thermal stability
The material remains effective throughout the specified operating range of -40°C to +200°C, making it suitable for demanding industrial applications.
These properties make G11 one of the preferred materials for flange isolation kits for oil and gas pipelines.
Designed for Sour Service Applications
One of the key requirements of this Turkey project was suitability for sour service conditions.
Sour service environments contain hydrogen sulfide (H₂S), which can accelerate corrosion and create challenges for pipeline reliability.
The supplied ASME B16.5 flange insulation gasket kits for sour service help support corrosion management strategies by:
- Enhancing cathodic protection efficiency
- Reducing galvanic corrosion risks
- Protecting flange joints
- Extending pipeline service life
- Improving overall system reliability
These advantages make insulation kits essential components in many upstream, midstream, and downstream oil and gas facilities.
Applications of Flange Insulation Kits
The supplied kits are commonly used in:
Oil and Gas Pipelines
Electrical isolation at flange joints helps maintain the effectiveness of cathodic protection systems.
Petrochemical Facilities
Isolation kits help protect process piping systems from corrosion-related damage.
Refineries
Reliable flange sealing and electrical isolation improve operational safety and equipment longevity.
Water Transmission Pipelines
Insulation kits help reduce corrosion risks in buried and above-ground pipeline systems.
Because of their versatility, flange isolation kits for oil and gas pipelines are used throughout energy and infrastructure projects worldwide.
Quality Control and Inspection
Haihao Group applies strict quality management procedures to every insulation kit supplied.
Inspection activities included:
- Material verification
- Dimensional inspection
- Component count verification
- Surface coating inspection
- Visual examination
- Packaging inspection
Every ASME B16.5 flange insulation gasket kit for sour service was checked to ensure compliance with customer specifications before shipment.
Export Packaging and Delivery
To ensure safe transportation to Turkey, all insulation kits were carefully packed according to export requirements.
Protective measures included:
- Moisture-resistant packaging
- Component separation and labeling
- Damage prevention during transport
- Export-standard packing procedures
These measures help maintain product integrity throughout international logistics operations.
Why Customers Choose Haihao Group
Haihao Group supplies a wide range of industrial piping products, including:
- Flange insulation kits
- Pipe flanges
- Butt weld fittings
- Steel pipes
- Custom-engineered piping solutions
Customers benefit from:
- International standard compliance
- Strict quality control
- Technical support
- Custom manufacturing capabilities
- Reliable global delivery
The successful shipment to Turkey reflects Haihao Group’s commitment to providing dependable pipeline products for demanding industrial projects.
FAQ
What is a flange insulation gasket kit?
A flange insulation gasket kit is a set of insulating components used to electrically isolate flange connections and help prevent corrosion.
Why are flange insulation kits used in sour service?
They help support corrosion control systems and reduce galvanic corrosion risks in environments containing hydrogen sulfide (H₂S).
What is G11 material?
G11 is a high-performance glass epoxy laminate with excellent electrical insulation and mechanical properties.
What temperature range can these kits handle?
The supplied kits are designed for temperatures ranging from -40°C to +200°C.
Which industries commonly use flange insulation kits?
Oil and gas, petrochemical, refinery, water transmission, and energy infrastructure projects frequently use insulation kits.
Contact Haihao Group for Flange Isolation Solutions
If you are looking for a reliable supplier of ASME B16.5 flange insulation gasket kits for sour service, Haihao Group can provide customized solutions for your project requirements.
We offer:
- RF flange insulation kits
- RTJ flange isolation kits
- Custom gasket materials
- Various pressure classes
- Global export support
Send us your RFQ today for technical assistance and competitive pricing.