ISO 9001 & ASME B16.20
China Spiral Wound Gasket, Expanded Graphite & Ring Joint Gasket Manufacturer – Industrial Sealing Solutions
Kaxite Sealing is a trusted spiral wound gasket manufacturer and ring joint gasket supplier in China. We specialize in expanded graphite gaskets, PTFE gaskets, braided packings, and compression sheets for oil & gas, chemical, and power generation industries. 10+ years ODM/OEM experience, exporting to 60+ countries.
⬤ MOQ: 50 pcs ⬤ Lead Time: 7‑20 days ⬤ FOB Ningbo / EXW / CIF ⬤ Custom Sizes & Materials ⬤ Free Sample Available
10+
Years Experience
60+
Export Countries
ASME
B16.20 / API 6A
ISO 9001
Certified Quality
OEM/ODM
Full Customization
1000+
Custom Designs
10+
Gasket Types
Premium Gasket & Sealing Products
Kaxite manufactures a complete range of industrial gaskets and sealing solutions for critical applications.
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Spiral Wound Gaskets
ASME B16.20, DIN 2699. Graphite, PTFE, mica fillers. Inner/outer rings available.
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Ring Joint & Metal Gaskets
Oval, octagonal, RX, BX styles. Stainless steel, Inconel, soft iron. API 6A compliant.
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Expanded Graphite & PTFE Gaskets
High-temperature, chemical-resistant. Sheet, tape, and custom die-cut shapes.
Learn More →Why Industry Leaders Choose Kaxite
- ✅ ISO 9001:2015 certified facility
- ✅ ASME B16.20, DIN, API 6A compliant gaskets
- ✅ 10+ years ODM/OEM expertise
- ✅ Custom sizes, materials, and fillers – any spec
- ✅ Graphite, PTFE, mica, ceramic filler options
- ✅ Stainless steel, Inconel, Monel, Titanium windings
- ✅ MTC per EN 10204 3.1 – full traceability
- ✅ Factory-direct pricing – no middleman
- ✅ Export to 60+ countries – global logistics
ISO 9001 ASME B16.20 API 6A PED
Technical Capabilities
- 🔹 Spiral Wound Gaskets: DN15 to DN3000 (½" to 120")
- 🔹 Ring Joint Gaskets: R, RX, BX styles – all sizes
- 🔹 Windings: 304, 316L, 321, 347, Inconel, Monel
- 🔹 Fillers: Graphite, PTFE, Mica, Ceramic, Asbestos-free
- 🔹 Pressure: Up to 2500 Class (PN420)
- 🔹 Temperature: -200°C to +650°C (grade dependent)
- 🔹 Sheets & Packings: Graphite, PTFE, Rubber, Mica
Full Custom OEM/ODM Rapid Prototype
Frequently Asked Questions
Quick answers about spiral wound gaskets, ring joint gaskets, and sealing solutions
Q: What gasket types does Kaxite manufacture?
A: Spiral wound gaskets, expanded graphite gaskets, ring joint gaskets (oval/octagonal), PTFE gaskets, double jacketed, corrugated, rubber gaskets, and compression sheets.
Q: Can you provide custom sizes and materials?
A: Yes – OEM/ODM welcome. Custom dimensions, materials (graphite, PTFE, mica), and inner/outer rings available. Sample orders accepted.
Q: What is your typical lead time?
A: Standard gaskets ship in 7–15 days. Custom orders take 15–20 days. Express service available for urgent requirements.
Q: Do you provide material test reports?
A: Yes – we provide EN 10204 3.1 MTC (Material Test Certificates) with full traceability for every batch. Third-party inspections welcome.
Q: What filler materials are available for SWG?
A: Flexible graphite, PTFE, mica, ceramic fiber, and asbestos-free – selected based on temperature, pressure, and media compatibility.
Q: Are your gaskets ASME and API compliant?
A: Yes – spiral wound gaskets meet ASME B16.20, ring joint gaskets meet API 6A and ASME B16.20, and all products are ISO 9001:2015 certified.
Need High-Quality Gaskets at Factory Prices?
Submit your gasket specifications – our engineering team will respond within 24 hours with a tailored quote and technical support.
Get Your Quote Now →
Ningbo Kaxite Sealing Materials Co., Ltd. (KAXITE) is a leading Chinese manufacturer and supplier of high-performance sealing solutions, established in 2009. We specialize in the R&D and production of Spiral Wound Gaskets, Expanded Graphite Gaskets, Ring Joint Gaskets, PTFE Gaskets, braided packings, compression sheets, flange insulation kits, and PTFE products. Our 10,000㎡ facility houses advanced CNC winding machines, hydraulic presses, and automated cutting systems, ensuring precision for every order.
With ISO 9001:2015 certification and a dedicated quality control lab, KAXITE guarantees strict adherence to ASME, DIN, and API standards. We serve the oil & gas, petrochemical, power generation, marine, and pharmaceutical industries, exporting to over 60 countries. Our engineering team offers custom design support based on 2D/3D drawings or samples, providing fast turnaround and competitive factory pricing.
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