Standard Spiral Wound Gasket
Discover Kaxite Sealing's Standard Spiral Wound Gasket, engineered for superior leak prevention in demanding industrial applications. Crafted with high-quality materials and precision winding technology, it offers exceptional durability and sealing performance. Ideal for engineers and facilities managing high-pressure systems, it ensures reliability, reduces downtime, and fosters peace of mind. Stand out with our optimized design for enhanced flexibility and resistance, trusted by professionals worldwide. Experience unmatched quality—trust Kaxite Sealing for your critical sealing needs.
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Product Description
Standard Spiral Wound Gasket – ASME B16.20 Compliant, High‑Performance Flange Sealing
Kaxite Sealing, a leading standard spiral wound gasket manufacturer in China, supplies premium ASME B16.20 compliant gaskets engineered for reliable sealing in critical high‑temperature and high‑pressure applications. Our spiral wound gaskets feature a precision‑wound V‑shaped metallic strip combined with a flexible filler material, delivering exceptional compression recovery and resistance to thermal cycling. Available in four standard configurations – R (Basic), IR (Inner Ring), CG (Outer Ring), and CGI (Inner & Outer Rings) – they are suitable for raised face, flat face, tongue‑and‑groove, and male‑female flanges across petrochemical, power generation, oil & gas, and general industrial sectors. With a wide selection of winding metals (304, 316L, 347, Inconel, Hastelloy, Monel, Titanium) and fillers (Flexible Graphite, PTFE, Ceramic, Mica), we provide custom‑engineered solutions that meet the most demanding specifications. ISO 9001:2015 certified, with full traceability and color‑coding per ASME B16.20, Kaxite ensures consistent quality, rapid delivery, and competitive factory pricing for bulk, OEM, and project‑based requirements.
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ASME B16.20 Compliant
Manufactured to international standards – full traceability and color coding.
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Extreme Temperature Range
From cryogenic -350°F to 2000°F depending on materials – versatile for all climates.
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4 Standard Configurations
R, IR, CG, and CGI – choose the right type for your flange and pressure class.
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Material Flexibility
Wide selection of stainless, nickel alloys, and filler options for any media.
Item no.: KXT600-R
R Type (Basic)
- • Basic construction with reinforced metal piles at inner and outer diameters.
- • Recommended for tongue‑and‑groove, male‑female, and flat face flanges.
- • Suitable for general and critical duties.
Item no.: KXT600-IR
IR Type (Inner Ring)
- • Solid inner metal ring acts as a compression stopper and reduces flow turbulence.
- • Prevents erosion and accumulation of solids at the flange bore.
- • Suitable for male‑female flanges and general duties.
Item no.: KXT600-CG
CG Type (Outer Ring)
- • Solid outer ring accurately locates the gasket and prevents blowout.
- • Acts as a compression limiter – easy to install on flat and raised face flanges.
- • General and critical duties; internal ring recommended for Class 900+.
Item no.: KXT600-CGI
CGI Type (Inner & Outer Rings)
- • Both inner and outer rings provide maximum compression control and flange protection.
- • Recommended for high‑pressure / high‑temperature service (Class 900+).
- • Ideal for corrosive or toxic media – critical duty applications.
Winding & Ring Metals
| Material | Max °F (°C) | Color Code |
|---|---|---|
| SS304 | 1400 (760) | Yellow |
| SS316L | 1400 (760) | Green |
| SS347 | 1700 (925) | Blue |
| Inconel 600/625 | 2000 (1090) | Gold |
| Hastelloy C276 | 2000 (1090) | Beige |
| Monel 400 | 1500 (820) | Orange |
| Titanium | 2000 (1090) | Purple |
| Carbon Steel | 1000 (540) | Silver |
Color coding per ASME B16.20 – also available with custom marking.
Filler Materials
| Filler | Max °F (°C) | Stripe Color |
|---|---|---|
| Flexible Graphite | 950 (510) | Gray |
| PTFE | 500 (260) | White |
| Ceramic | 2000 (1090) | Light Green |
| Mica‑Graphite | 1100 (590) | Pink |
Custom filler combinations available – consult our engineering team.
Marking & Stamping
All gaskets can be stamped with size, pressure class, material, and manufacturer identification per ASME B16.20.
🏭 Typical Applications
- ▸ Petrochemical & Refining: Flange joints in crude oil, gas, and hydrocarbon processing.
- ▸ Power Generation: Steam lines, boiler connections, and turbine flanges.
- ▸ Oil & Gas: Offshore platforms, pipeline systems, and wellhead equipment.
- ▸ Chemical Processing: Heat exchangers, reactors, and distillation columns.
- ▸ Marine & Shipbuilding: Engine room piping and deck flange seals.
- ▸ Pharmaceutical & Food: PTFE‑filled options for sanitary applications.
Need a custom size or non‑standard material? Explore our full spiral wound gasket range.
🏅 Why Source from Kaxite?
- ✔ China-based manufacturer – direct factory pricing for bulk orders.
- ✔ ASME B16.20 / B16.5 compliance – full international standard adherence.
- ✔ Wide material inventory – prompt delivery for urgent projects.
- ✔ Custom stamping & packaging – colour coding, tags, and clips.
- ✔ ISO 9001:2015 certified – full traceability and test certificates.
- ✔ Exported to 40+ countries – proven global reliability.
📦 How to Order Standard Spiral Wound Gaskets
1 Nominal Size
Pipe size or specific OD/ID dimensions.
2 Pressure Class
150, 300, 600, 900, 1500, or 2500#.
3 Type & Materials
R/IR/CG/CGI – specify metal and filler.
4 Quantity & Shipping
MOQ flexible; FOB Ningbo, CIF, or EXW.
Frequently Asked Questions
Q: What is the difference between R, IR, CG, and CGI types?
A: R (Basic) is the standard type. IR includes an inner ring for compression control and flow protection. CG includes an outer ring for gasket centering and blowout prevention. CGI combines both rings for maximum performance in high‑pressure/ high‑temperature services.
Q: What standards do you follow for manufacturing?
A: We manufacture in accordance with ASME B16.20, ASME B16.5, BS1560, EN 1092, DIN, JIS, and other international flange standards. Custom dimensions and markings are available.
Q: What filler material should I choose for high‑temperature steam service?
A: Flexible graphite is the most common and cost‑effective filler for steam applications, with a temperature limit of 950°F (510°C). For higher temperatures up to 2000°F, ceramic or mica‑graphite fillers are recommended.
Q: Do you provide material certificates and colour coding?
A: Yes, all gaskets are supplied with material test certificates and colour‑coded outer rings per ASME B16.20 requirements. Custom stamping is also available upon request.
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