
We engineer and manufacture custom sealing solutions for critical industrial applications.
Custom dimensions, any filler (graphite, PTFE, mica), inner/outer rings. ASME B16.20, DIN, BS, JIS standards.
Ring joint, corrugated, double jacketed, PTFE, rubber, asbestos-free – made to your exact specifications.
PTFE, graphite, aramid, carbon fiber packing; compression sheets for pumps, valves, and flanges.
Your competitive edge in sealing technology.
Two decades of sealing technology expertise, trusted by global engineering firms.
Any size, material, or shape. CAD drawings accepted. Prototype to mass production.
Strict quality control – material analysis, dimensional checks, pressure testing.
15-30 days lead time, air/sea shipping, real-time tracking, 24/7 support.
Real feedback from satisfied customers worldwide.
"Kaxite's spiral wound gaskets saved us 30% compared to European suppliers, with the same ASME certification. Their engineering support was outstanding."
"We've used Kaxite for PTFE gaskets and braided packing for 5 years. Quality is consistent, delivery always on time. Highly recommended."
"The custom SWG rings we ordered for a petrochemical project were perfect. Fast response and competitive pricing. Will order again."
Quick answers about our spiral wound gaskets and services.
We offer stainless steel (304, 316L, 321) for windings, and filler materials including flexible graphite, PTFE, asbestos-free, mica, and ceramics. Inner/outer rings available in carbon steel or stainless steel.
For standard SWG series (e.g., ASME B16.20), MOQ is 50 pieces. For fully custom dimensions, sample orders are welcome, and MOQ is negotiable. No minimum for prototypes.
Yes, our in-house engineers assist with material selection, pressure-temperature ratings, and CAD drawing verification. We help you choose the right gasket for your application.
All products are manufactured under ISO 9001:2015. Spiral wound gaskets meet ASME B16.20, DIN 2699, BS 3381, and JIS standards. We can also provide EN 10204 3.1 material certificates.
Standard lead time: 15-30 days for bulk orders. Prototype samples: 7-10 days. Expedited shipping available upon request.
We export to over 40 countries including USA, Canada, UK, Germany, France, Italy, UAE, Saudi Arabia, India, Australia, and Southeast Asia. We can handle all shipping and customs documentation.












Copyright © 2015-2025 Ningbo Kaxite Sealing Materials Co., Ltd. All Rights Reserved.