What quality certifications does the company hold?

We are ISO9001:2015, ISO 14000, and ISO 18000 approved, ensuring high-quality standards through rigorous inspection processes.

What are the payment terms?

We accept LC, T/T, and PayPal as terms of payment for your convenience.

What is the lead time for orders?

Lead times vary by season: Peak Season is 6-12 months, while Off Season is approximately one month.

High-Quality 304 Graphite Spiral Wound Gaskets for Leak Prevention

Name: High-Quality 304 Graphite Spiral Wound Gaskets for Leak Prevention
Brand: Ningbo Sunwell Sealing Materials Co., Ltd.
SKU: 771273815

Zhejiang, ChinaNingbo Sunwell Sealing Materials Co., Ltd.

US$0.13

50 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Ss304, 316L, Monel, CS, Graphite, PTFE...

Application

Electric

Model NO.

SUNWELL-SW600-45

Type

Shaft Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Color Code

According The Asme Standard

Size

Asme B16.20,Asme B16.47A B,DIN,JIS,NF

Transport Package

Wooden Case

Specification

Standard, Nonstandard, according your request

Trademark

Sunwell

Origin

Ningbo, China

Production Capacity

2500000PCS/Month

Key features

High Pressure Resilience: V-shaped metallic strip with soft filler ensures reliable performance under frequent temperature and pressure changes.

Robust Outer Ring Design: Solid outer ring ensures perfect flange alignment, provides radial strength to prevent blowouts, and limits compression.

Wide Material Selection: Available in SS304, 316L, Monel, Carbon Steel, Graphite, and PTFE to suit diverse industrial applications.

OEM and ODM Support: Customization accepted for color codes per ASME standards and sizes according to ASME, DIN, JIS, and NF standards.

Certified Quality Control: ISO9001:2015, ISO 14000, and ISO 18000 approved with rigorous IQC-LQC-FQC-OQC inspection processes.

Large Production Capacity: Annual capacity of 4.5 million gaskets with 125 specialized workers and stock availability for standard items.

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.