What certifications does the product have?

The product holds CE certification.

What types of gaskets are offered?

We provide High-Quality Flat Gaskets, Durable Oval Ring Joint Gaskets, Precision Octagonal Ring Joint Gaskets, Robust RX Metal Gaskets, and Superior BX Metal Gaskets.

ASME B16.20 Octagonal Oval Gasket for High Pressure Applications

Name: ASME B16.20 Octagonal Oval Gasket for High Pressure Applications
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2153345585

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

Negotiable

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Metal

Application

Pumps

Model NO.

Xinsen-J

Type

Stationary Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Transport Package

Wooden Carton

Specification

DN10 ~ DN2000

Trademark

OEM

Origin

China

HS Code

7326901900

Production Capacity

10000000 Per Year

Key features

High-Pressure Sealing: Delivers outstanding high pretension pressure for valves and cylinders.

Extreme Environment Resistance: Engineered for extreme temperatures, high pressures, and severe corrosiveness.

Precision CNC Manufacturing: Precision-cut using advanced CNC lathes for unparalleled accuracy.

Wide Material Selection: Available in Soft Iron, Carbon Steel, Stainless Steel, and INCONEL.

Multiple Gasket Types: Includes Oval, Octagonal, RX, and BX metal ring joint gaskets.

Full Customization Service: Offers full, minor, and flexible customization from samples or designs.

CE Certified Quality: Product certification ensures compliance with CE standards.

Low MOQ Availability: Minimum Order Quantity is just 2 units for flexible purchasing.

Company profile

Fast DeliveryOEM ServicesQuality AssuranceQA/QC Inspectors

Ningbo Dongheng Sealing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier manufactures industrial sealing products, including spiral wound gaskets, PTFE tape, and PTFE gaskets, from a 4,500 m² facility with three production lines. It offers extensive customization, 3D design, ODM, and OEM services, and reports new products within the past year. Quality-related evidence includes CE certification, ISO 9001:2015 certification, quality assurance, and documented corrective and preventive action procedures. However, complaint handling lacks written records, supplier approval documentation is incomplete, and the factory does not continuously reconcile production quantities or maintain standard outsourcing procedures. The supplier has inventory capability and valid contracts with affiliated subcontractors, but no overseas warehouse, showroom, agents, branches, or overseas service locations. Export activity is reported, with 31%–40% of sales from exports and four years of export experience. Customer evidence includes a 50%–80% repeat-buyer preference, but no Fortune 500...

Supplier typeThe supplier is a manufacturing-oriented industrial equipment and components provider producing spiral wound gaskets, PTFE tape, and PTFE gaskets. It has a 4,500 m² manufacturing plant, three production lines, inventory capability, and valid contracts with affiliated subcontractors, while lacking overseas warehouses, showrooms, agents, and branches.

CertificationsThe supplier reports CE product compliance certification and an ISO 9001:2015 management-system certificate. It also states that quality assurance is present in its quality-control processes, providing explicit certification and quality-system evidence.

R&D capabilityThe supplier provides 3D software design, ODM, and OEM services and reports new products within the past year. It has one R&D engineer and no available SDK, indicating some development capability but limited evidence of broader technical resources.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, flexible customization, and 3D software design services. This establishes broad customization coverage across both design-based and sample-based requirements.

Product Q&A

Q:What materials are available for the gaskets?

Optional materials include Soft Iron, Carbon Steel, 304/316 Stainless Steel, 5Cr1/2Mo, and INCONEL, each with specific hardness and temperature ratings.

Q:Is customization available for these gaskets?

Yes, we offer full customization, minor customization, and flexible customization from samples or designs.

Q:What is the minimum order quantity?

The minimum order quantity is 2 units.

Q:What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Q:What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.