How do I order non-standard Ring Joints?

When purchasing non-standard Ring Joints, kindly provide your drawings for production.

What are the payment terms?

Terms of payment include LC, T/T, and PayPal.

What is the average lead time?

Peak season lead time is 6-12 months, while off-season lead time is one month.

High-Quality Oval and Octagonal API Gasket for Industrial Use

Name: High-Quality Oval and Octagonal API Gasket for Industrial Use
Brand: Ningbo Sunwell Sealing Materials Co., Ltd.
SKU: 791581455

Zhejiang, ChinaNingbo Sunwell Sealing Materials Co., Ltd.

US$1.00

10 Pieces

Product profile

Customization

Available

Material

Metal

Application

Pumps

Model NO.

SUNWELL 800

Type

Oil Seal

Performance

High Pressure

Shape

O-Ring

Standard

Material of Rtj

304,316,321,CS,Soft Iron

Transport Package

Wooden Case

Specification

Standard, ASME. DIN etc

Trademark

SUNWELL

Origin

Ningbo

Production Capacity

800000PCS/Month

Key features

API 6A Licensed Certification: Licensed by American Petroleum Institute (API 6A-2323) for official API Monogram usage.

Custom Material Options: Special materials like Inconel, Monel, Hastelloy, Titanium, and Duplex produced by demand.

Interchangeable Designs: Available in oval and octagonal configurations, both interchangeable on modern octagonal grooved flanges.

Wide Standard Range: Regular inventory includes Soft Iron, SS304, SS316L, F5, and 347 Ring Joint Gaskets.

Precise Tolerances: Strict manufacturing tolerances: Width +/-0.008, Height +/-0.020, Pitch Diameter +/-0.007.

Multiple Shape Varieties: Offers Oval, Octagonal, BX, RX, IX, Hx, Ax, and LENS Ring Joint Gaskets.

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.

Product Q&A

Q:What certifications does the product have?

SUNWELLSEALS is licensed by the American Petroleum Institute (API 6A-2323) and meets API Q1 and API-6A standards.

Q:What materials are available for customization?

Standard materials include 304, 316, 321, CS, and Soft Iron. Special materials like Inconel, Monel, Hastelloy, Titanium, and Duplex are produced by demand.

Q:What shapes of Ring Joint Gaskets are offered?

We offer Oval, Octagonal, BX, RX, IX, Hx, Ax, and LENS Ring Joint Gaskets.

Q:Are oval and octagonal types interchangeable?

Yes, both oval and octagonal configurations are interchangeable on modern octagonal type grooved flanges.

Q:What are the manufacturing tolerances?

Tolerances are: Width +/-0.008, Height +/-0.020, Average pitch diameter +/-0.007, and Angle +/- 1/2 degree.