What is the lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

What certifications do your products have?

Our products are CE certified, ensuring they meet high-quality standards.

What are the main applications for these gaskets?

These gaskets are ideal for sealing components in pressure vessels, valves, and cylinders, particularly under high pressure and extreme temperatures.

ASME B16.20 Industrial Flange Seals for Optimal Performance

Name: ASME B16.20 Industrial Flange Seals for Optimal Performance
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2084575362

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: Engineered for extreme temperatures, high pressures, and intense corrosiveness in valves and cylinders.

Premium Metal Materials: Crafted from top-tier solid metals including Carbon Steel, Stainless Steel, and INCONEL for reliability.

CNC Precision Manufacturing: Meticulously processed using state-of-the-art CNC lathes for high precision and compact installation.

Versatile Gasket Types: Available in Flat, Oval Ring, Octagonal Ring, RX, and BX metal gaskets to suit various needs.

Full Customization Support: Offers customization from samples, designs, full customization, and flexible minor adjustments.

OEM/ODM Services: Professional OEM and ODM services available with dedicated R&D engineers for tailored solutions.

Wide Material Range: Options include Soft Iron, Carbon Steel, 304/316 Stainless Steel, and INCONEL with varying hardness.

CE Certified Quality: Products meet CE certification standards with rigorous random visual and function inspections.

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: ≤9.84h

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 ring joint gaskets?

We offer a wide range of materials including Soft Iron, Carbon Steel, 304/316 Stainless Steel, 5Cr1/2Mo, and INCONEL, each with specific hardness and temperature ratings.

Q:What types of gaskets do you provide?

Our product line includes High-Quality Flat Gaskets, Durable Oval Ring Joint Gaskets, Precision Octagonal Ring Joint Gaskets, Robust RX Metal Gaskets, and Superior BX Metal Gaskets.

Q:Can you provide OEM or ODM services?

Yes, we provide both OEM and ODM services. We support customization from samples, designs, full customization, and flexible minor customization.

Q:What is the minimum order quantity (MOQ)?

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.