What is the function of the inner ring?

The solid inner metal ring acts as a compression stopper to prevent solid accumulation and reduce erosion.

Which industries or equipment can use these gaskets?

They are suitable for flanges, valves, pumps, heat exchangers, and various sealing scenarios.

High-Quality Spiral Wound Gaskets with Durable Inner Ring Design

Name: High-Quality Spiral Wound Gaskets with Durable Inner Ring Design
Brand: Ningbo Sunwell Sealing Materials Co., Ltd.
SKU: 711925735

Zhejiang, ChinaNingbo Sunwell Sealing Materials Co., Ltd.

US$0.12

50 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

304, 316L, CS, Graphite..

Application

Junction Surface Seal, Auxiliary Seal

Model NO.

SW600-IR

Standard

Standard, Nonstandard

Style

Mechanical Seal

Shape (for Gasket)

Flat Gasket

Function

Rotary Sealing, Fixed Sealing

Transport Package

Wooden Case

Specification

Standard, Nonstandard, according your request

Trademark

sunwell

Origin

Ningbo

Production Capacity

100000PCS/Month

Key features

Inner Ring Design: Solid metal ring prevents solid accumulation and reduces fluid turbulence.

Material Variety: Available in 304, 316L, CS, and Graphite with various alloys and fillers.

Standard Compliance: Meets ASME B 16.20, ASME B 16.5, BS1560, DIN, JIS, and NF standards.

Color Coding: Custom color coding available upon request per ASME B 16.20.

Versatile Applications: Suitable for flanges, valves, pumps, heat exchangers, and diverse sealing needs.

Compression Resilience: Maintains reliable seal under frequent temperature and pressure fluctuations.

Custom Shapes: Offers non-round, manhole, handhole designs, and custom inner/outer rings.

Enhanced Handling: Support rings inside and outside improve fitting and versatility.

Company profile

Ningbo Sunwell Sealing Materials Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2011-01-01Nearest Port: Shanghai, NingboAverage Response Time: >24hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others

AI-Powered supplier vetting

SummaryNingbo Sunwell Sealing Materials Co., Ltd. is identified primarily as a China-based manufacturer of sealing and heat-preservation products, although one record classifies it as a trading company. The supplier reports ISO 9001 certification, more than 10 production lines, 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces in annual output, and 6–10 R&D engineers and quality-control staff. It has reported export activity since 2011, self-operated import/export rights, and exports representing 51%–70% of total sales. The company states that it supports OEM and ODM orders and provides engineering assistance, but the supplied records do not independently verify these claims. Buyer and transaction evidence is limited, and the records provide insufficient information to assess financial strength or after-sales performance. No financial figures are included.

CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified management system and supports a positive assessment for this field.

R&D capabilityThe supplier reports 6–10 R&D engineers and describes itself as engaged in research and development across multiple sealing-product categories. It also offers engineering assistance according to its company description, providing explicit but largely self-reported evidence of innovation capability.

Production capacityThe supplier reports more than 10 production lines and annual output of 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces. It also identifies itself as a manufacturer and reports export operations since 2011, providing explicit evidence of substantial production capability.

Customization capabilityThe supplier explicitly states that it accepts OEM and ODM orders and can provide engineering assistance for customer applications. This directly supports the availability of customization services, although the records do not specify technical scope, tooling capability, or examples of completed customized projects.