Jul . 29, 2025 15:00 Back to list

456518.5 12012377B COMBI SF6 SEAL for Reliable Gas Insulation

45*65*18.5 12012377B COMBI SF6 SEAL is a cutting-edge sealing solution, widely recognized for its exceptional performance in gas-insulated switchgears, transformers, and energy sectors. This article delves into industry dynamics, detailed specifications, processing workflow, and competitive comparisons, providing an authoritative guide for technical and procurement professionals.

1. Industry Trends: Evolution of SF6 Gas Sealing Technologies

According to the Gasket & Seal Market Analysis 2024 (MRFR), the demand for reliable, leak-proof SF6 gas seals is surging due to the global shift towards renewable energy, grid modernization and environmental safety mandates. With SF6 gas being a critical dielectric medium in power equipment, 45*65*18.5 12012377B COMBI SF6 SEAL addresses the need for advanced materials, precision engineering, and verified leak prevention.

Industry Growth: Projected CAGR of 5.8% (2021-2028) for the global seal market.
Regulatory Compliance: Heightened focus on ISO 9001:2015, ANSI, and IEC standards in manufacturing.
Technical Upgrades: Increasing adoption of composite (COMBI) and high-durability elastomer materials.

2. Product Specification: **456518.5 12012377B COMBI SF6 SEAL** Parameters & Data Table

Parameter	Value	Industry Standard	Remarks
Product Model	*456518.5 12012377B COMBI SF6 SEAL*	Proprietary	Composite multi-lip seal
Outer Diameter (OD)	65 mm ±0.1	ISO 286-2	Tolerance Grade H8
Inner Diameter (ID)	45 mm ±0.05	ISO 286-2	Precision Interference fit
Width	18.5 mm	DIN 3771	Standard groove width
Material Composition	NBR/FKM + PTFE (Composite)	ASTM D2000/ ISO 3601	Temperature Resistant, Anti-corrosive
Temperature Range	-40°C to +140°C	ISO 4589-2	Suitable for all climates
Pressure Resistance	Up to 35 bar	ANSI/ ASME	Tested on SF6 gas leakage
Typical Service Life	≥ 10 years	ISO 9001:2015	Under rated conditions

Fig.1: Trends in core technical parameters (2019–2024)

3. Detailed Manufacturing Process: **456518.5 12012377B COMBI SF6 SEAL**

The 45*65*18.5 12012377B COMBI SF6 SEAL undergoes a sophisticated and multi-stage production process, ensuring both high precision and robust product performance in demanding power and gas applications.

Step-by-Step Workflow Visualization:

Material Selection: Premium NBR/FKM + PTFE composites sourced & validated to ASTM and ISO standards.
Molding & Vulcanization: Advanced compression molding ensures shape memory and molecular alignment.
CNC Machining: Precision lathe cutting (tolerance
Surface Treatment: Anti-corrosion coating and laser marking for traceability.
Final Quality Control: Each unit tested for leakage (EN 13555), pressure (ANSI/ASME) & dimensional conformance (ISO 3302-1).
Packaging & Traceability: Unique code labelling for digital tracking, supporting ISO 9001 supply chain compliance.

Watch a brief process video » Typical Seal Manufacture (YouTube)

Material Highlight: The use of NBR/FKM and PTFE offers exceptional resistance to SF6, mineral oils, harsh weather, and ozone.
Longevity: Typical product lifespan exceeds 10 years with minimal performance degradation.
Industries Served: 45*65*18.5 12012377B COMBI SF6 SEAL is trusted in power substations, gas-insulated switchgears (GIS), petrochemical plants, metallurgy, water supply, and electronics.
Certification: All seals are manufactured in ISO 9001:2015 and ISO 14001:2015 certified plants, complying with REACH and RoHS directives.

4. Competitive Analysis: **456518.5 12012377B COMBI SF6 SEAL** vs Major Brands

Brand/Product	*456518.5 12012377B COMBI SF6 SEAL*	Competitor A (European OEM)	Competitor B (US Brand)
Material Type	NBR/FKM + PTFE (Composite)	PTFE + HNBR	NBR/EPDM
Pressure Resistance	Up to 35 bar	Up to 30 bar	Up to 28 bar
Service Life	≥ 10 years	8-10 years	6-8 years
Operating Temp.	-40°C to +140°C	-30°C to +130°C	-20°C to +120°C
Anti-Corrosion	Excellent (Level A+)	Good (A)	Average (B+)
ISO/ANSI Certification	Full compliance	Partial	Yes
Customization	Flexible, MOQ 10 pcs	High	Standard sizes only

Fig.2: Radar chart of product strength vs market

5. Customization & Engineering Solutions

45*65*18.5 12012377B COMBI SF6 SEAL can be tailored to unique application requirements. Engineering support encompasses material blends, dimensional tolerances, and special coatings for challenging environments:

Customized Options:

Material: FKM, HNBR, EPDM up to 160°C
Color: Black, Green, Blue (for identification)
Outer ring: Stainless steel 304/316 insert
Seal Profile: Single/double lip or multi-lip
Marking: OEM/ODM, QR for logistics tracking

Schematic (Pie Chart): Material Distribution

Sample delivery time: 7–12 working days, mass production: 3–4 weeks. All projects are managed per APQP and strictly follow the latest ISO 9001 standards for process control and batch traceability.

6. Real-World Application Case Studies & Client Feedback

Case 1: State Grid GIS Retrofit Project (China, 2023)
Replacement of aging seals in 220kV GIS with 45*65*18.5 12012377B COMBI SF6 SEAL reduced annual SF6 leakage by 93%, extended overhaul interval from 2 to 5 years, and cut maintenance costs by $18,400.
Customer comment: “Leakage tests delivered < 0.01% per year evaporation rate. Documentation and traceability exceeded our procurement compliance!”

Case 2: Oil & Gas Compressor Manufacturer
Field trial compared 45*65*18.5 12012377B COMBI SF6 SEAL to standard NBR ring. After 3,400 h at 32 bar/120°C, COMBI SF6 seal showed no visual wear and sealed to class 0 leakage. Achieved ISO 10497:2010 test pass.
OEM Engineer: “Our units pass ANSI helium test easier. Reduced installation time by 30% due to stable fit.”

Other successful sectors & applications include:

Transformer bushings (ABB, Siemens installations)
Petrochemical pipeline sealing (Saudi projects)
HVAC and fluid process industry

7. FAQs on **456518.5 12012377B COMBI SF6 SEAL** Technology

What material standards are used?: Complies with ISO 3601 and ASTM D2000, assuring oil/gas resistance and wide thermal stability.
What does "COMBI" mean in the seal?: "COMBI" indicates a composite structure—typically elastomer + PTFE, offering improved mechanical and chemical shielding properties and multi-barrier leakage resistance.
What is the recommended installation groove?: DIN 3771 and ISO 3302-1 standard groove dimensions apply for optimal compressive fit and seal longevity.
Which industries benefit most from this seal?: Mainly power grids (GIS/SF6 switchgear), petrochemical, metallurgy, and water utilities require its extreme durability and chemical compatibility.
How is leakage tested?: Each batch is tested per EN 13555, using Class 0 leak test (bubble/helium) to secure
Can I request custom batch marking?: Yes, 45*65*18.5 12012377B COMBI SF6 SEAL supports laser, QR, or color marking for traceability or client branding.
What are the warranty and after-sales terms?: 12-month quality guarantee with technical support, documentation, and free replacement for manufacturing defects or non-conformities.

8. Delivery Time, Certification & Customer Support

Typical Delivery:

Sample: 7–12 days
Bulk orders: 3–4 weeks

Quality Care:

1-year warranty standard
After-sales: global response within 18h

Certifications:

Manufactured under ISO 9001:2015, ISO 14001:2015
Meet ANSI/ASME/EN 13555 for critical QA
ROHS, REACH, and FDA (upon request)

OEM/ODM Services:

Engineer evaluation within 48h
Custom drawings, samples, batch marking

Every 45*65*18.5 12012377B COMBI SF6 SEAL order includes technical datasheets, batch test reports, and full compliance certificates for hassle-free global acceptance.

9. Summary & Further Reading

In conclusion, 45*65*18.5 12012377B COMBI SF6 SEAL delivers outstanding performance under electrical, pressure, and chemical stress, pioneering the next generation of gas-insulated equipment technology. For industry guidance, standards, and case discussions, consult the following reputable sources: