China Spiral Wound Gasket Manufacturer – ASME B16.20 & API 6A Compliant

Kaxite Sealing is a trusted spiral wound gasket supplier and SWG manufacturer offering custom dimensions, filler materials (graphite, PTFE, mica, vermiculite), and inner/outer rings for oil & gas, chemical, and power industries.

MOQ: 50 pcs Lead Time: 7‑20 days FOB Ningbo / EXW / CIF Custom Sizes & Fillers Free Sample
15+
Years Expertise
60+
Countries Served
ISO 9001
Certified Quality
ASME B16.20
Standard Compliant
API 6A
RTJ & SWG Approved
100%
Traceability (MTC)

Spiral Wound Gasket Solutions by Industry

Engineered SWG with graphite, PTFE, mica, or vermiculite fillers – tailored to your operating conditions.

Frequently Asked Questions

Quick answers about spiral wound gaskets – for engineers and procurement teams.

Q: What filler materials do you offer for SWG?
A: Graphite, PTFE, mica, ceramic, vermiculite – selected based on temperature, pressure, and media.
Q: Can you provide custom sizes and rings?
A: Yes, we manufacture any diameter with inner, outer, or both rings in carbon or stainless steel.
Q: Are your SWG compliant with international standards?
A: Yes, we meet ASME B16.20, DIN 2699, BS 3381, and API 6A requirements.
Q: What is your lead time for SWG?
A: Standard sizes 7‑15 days; custom orders 15‑20 days. Express service available.
Q: Do you provide material test reports?
A: Yes, MTC per EN 10204 3.1 with full traceability. Third‑party inspections welcome.
Q: Can I get a sample before bulk order?
A: Absolutely. Free samples available for evaluation. Contact our sales team.

Need Spiral Wound Gaskets at Factory Prices?

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About Us

Ningbo Kaxite Sealing Materials Co., Ltd.

Ningbo Kaxite Sealing Materials Co., Ltd. is based in Ningbo, Zhejiang Province, China. Kaxite is one of the biggest sealing and heat preservation products manufacturer in China. Kaxite supply the overall solution of Metal Gaskets, Non-metallic Gaskets, Braided Packings, Compressed Gasket Sheets. To assure create more valve for customers from all over the world.

Kaxite has been found and conformed according to ISO 9001, As a professional manufacturer and supplier, Kaxite can offer a widely range of sealing raw materials and products,more competitive price, prompt feedback, fast delivery time & keep the order updated. We promise Kaxite Gasket & Seals is your good choice.

The products are mainly applied in the industries of aviation, shipbuilding, petroleum chemical industry, foodstuff and medicine, with the good merits of heat preservation, heat insulation, seal and insulation.

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