What certifications does the company hold?

The company holds CE certification for its products.

What payment terms are accepted?

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

What are the shipping terms?

International commercial terms include FOB, CIF, CFR, and EXW.

Xinsen High-Quality Spiral Gasket for Versatile Industrial Use

Name: Xinsen High-Quality Spiral Gasket for Versatile Industrial Use
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2082592432

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

Product profile

Customization

Available

Material

Metal+Non-Metal

Application

Flanges

Model NO.

XINSEN-SD

Type

Shaft Seal

Performance

Wear

Shape

O-Ring

Standard

Standard, Nonstandard

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Robust Inner Ring Design: Prevents inward collapse, fills flange voids, and averts flange erosion for superior reliability.

Exceptional Radial Strength: Outer guide ring safeguards against blowouts and acts as a compression limiter for raised and flat-faced flanges.

Diverse Material Options: Available in carbon steel, 304, 316L, Alloy825, Monel400, Inconel625, and various fillers like Graphite and PTFE.

Comprehensive Customization: Supports full customization, minor customization, and flexible options based on samples or designs.

Wide Size Range: Sizes available from 16mm to 3000mm with thickness options ranging from 3.2mm to 7.5mm.

Standard Compliance: Designed to meet DIN 2699 and ASME B16.20 standards for PTFE and graphite fillers.

OEM and ODM Services: Manufacturer offers both OEM and ODM services with dedicated R&D engineers and new product launches.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payment methods.

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 spiral gasket?

Materials include carbon steel, 304, 304L, 316, 316L, 321, Alloy825, Monel400, Inconel625, S32750, and fillers like Asbestos, Graphite, PTFE, and Non-asbestos.

Q:Can the gasket be customized?

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

Q:What are the available sizes and thicknesses?

Sizes range from 16mm to 3000mm, with thickness options of 3.2mm, 4.5mm, 4.8mm, 5.5mm, and 7.5mm.

Q:What is the minimum order quantity?

The minimum order quantity is 2 units.

Q:What are the lead times for production?

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