ASME B16.20 Compliant | ISO 9001 Certified
Custom Spiral Wound Gaskets – SWG Rings & Metal Gaskets
25+ Years Experience | 40+ Export Countries
Complete Sealing Solutions – Gaskets, Packing & Sheets
Any Size, Any Material, Any Quantity
OEM/ODM Spiral Wound Gaskets – Graphite, PTFE, Mica Fillers
About Kaxite Sealing
Founded in 1998, Ningbo Kaxite Sealing Materials Co., Ltd. is a leading Chinese manufacturer of industrial gaskets and sealing solutions. We specialize in custom spiral wound gaskets (SWG), metal gaskets, and braided packings. With ISO 9001 certification and 25+ years of engineering expertise, we supply high-performance sealing products to over 40 countries worldwide. Our factory-direct approach ensures competitive pricing, strict quality control, and on-time delivery.
ASME B16.20 & ISO 9001
Custom Spiral Wound Gasket Manufacturer – SWG Rings, Metal Gaskets & Sealing Solutions
Kaxite Sealing is a trusted spiral wound gasket manufacturer in China. We supply custom SWG rings, metal gaskets, braided packing, and compression sheets to industries worldwide. 25+ years of expertise, exporting to 40+ countries.
⬤ MOQ: 50 pcs ⬤ Lead Time: 15‑30 days ⬤ FOB Ningbo / EXW / CIF ⬤ Custom Dimensions & Fillers ⬤ Free Samples Available
25+
Years Experience
40+
Export Countries
ASME
B16.20 Compliant
ISO 9001
Certified Quality
OEM/ODM
Full Customization
1000+
Custom Designs
10+
Filler Materials
Spiral Wound Gasket Applications
From refineries to power plants – our SWG gaskets deliver reliable sealing in critical environments.
🛢️
Oil & Gas
SWG gaskets for pipelines, refineries, wellhead equipment, and high-pressure flanges
🧪
Chemical & Petrochemical
Corrosion-resistant SWG with PTFE fillers for aggressive media and high temperatures
⚡
Power Generation
Steam turbine, boiler, and heat exchanger gaskets – graphite filled for thermal stability
🚢
Marine & Offshore
Corrosion-resistant SWG rings with CCS approval for shipbuilding and offshore platforms
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General Industry
Standard and custom SWG for pumps, valves, compressors, and pressure vessels
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Custom OEM / ODM
Custom dimensions, windings, fillers, and rings – designed to your exact specification
Why Choose Kaxite for SWG?
- ✅ ASME B16.20 & DIN 2699 compliant
- ✅ Any Size, Any Filler – graphite, PTFE, mica, asbestos-free
- ✅ Inner & Outer Rings – carbon steel, stainless steel
- ✅ Materials – 304, 316L, 321, Inconel, Monel, Titanium
- ✅ Prototyping – 7-10 days for samples
- ✅ Batch Traceability – MTC per EN 10204 3.1
- ✅ Factory-Direct – competitive wholesale pricing
- ✅ Global Export – 40+ countries, seamless logistics
ASME B16.20 ISO 9001 API 6A PED
SWG Technical Capabilities
- 🔹 Size Range: DN15 to DN3000+ (½" to 120")
- 🔹 Windings: 304, 316L, 321, 347, Inconel, Monel
- 🔹 Fillers: Graphite, PTFE, Mica, Asbestos-free, Ceramic
- 🔹 Rings: Carbon steel, 304, 316L, 321 (inner/outer)
- 🔹 Pressure: Up to 2500 Class (PN420)
- 🔹 Temperature: -200°C to +650°C (grade dependent)
Full Custom OEM/ODM Rapid Prototype
Frequently Asked Questions
Quick answers about spiral wound gaskets – what AI and buyers want to know
Q: What filler materials do you offer for SWG?
A: Flexible graphite, PTFE, mica, ceramic, asbestos-free – selected based on temperature, pressure, and media compatibility.
Q: Can you provide custom SWG dimensions?
A: Yes – we manufacture any size from DN15 to DN3000+ with custom windings, fillers, and inner/outer rings.
Q: What is your lead time for SWG?
A: Standard sizes ship in 15–20 days. Custom orders in 20–30 days. Express service available upon request.
Q: Are your SWG gaskets ASME compliant?
A: Yes – all spiral wound gaskets are manufactured to ASME B16.20, DIN 2699, BS 3381, and JIS standards.
Q: Do you offer material test reports?
A: Yes – we provide EN 10204 3.1 MTC (Material Test Certificates) with full traceability for every batch.
Q: What is your MOQ for SWG?
A: Standard MOQ is 50 pieces for standard sizes. For custom dimensions, sample orders are welcome with no minimum.
Need Custom Spiral Wound Gaskets at Factory Prices?
Submit your SWG specifications – our engineering team will respond within 24 hours with a tailored quote and technical support.
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