What payment terms are accepted?

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

What certifications does the product have?

The product holds CE certification.

What is the size range of the spiral wound gasket?

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

Donhonsil Sealing Gasket for Industrial Systems and Equipment

Name: Donhonsil Sealing Gasket for Industrial Systems and Equipment
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2082597452

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

Enhanced Structural Stability: Inserted inner ring centers the gasket, preventing implosion and safeguarding against extreme conditions.

Blowout Prevention Design: External guide ring bolsters radial strength, acting as a vital compression stop to avert gasket blowout.

Comprehensive Material Options: Available in carbon steel, 304/316 stainless, Alloy825, Monel, Inconel, and various fillers like Graphite/PTFE.

Wide Size Range: Sizes range from 16mm to 3000mm with thickness options from 3.2mm to 7.5mm for diverse applications.

Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.

Low Minimum Order Quantity: Minimum Order Quantity is just 2 units, allowing for small batch testing and procurement.

Fast Off-Season Delivery: Off-season lead time is within 15 workdays, ensuring quick turnaround for urgent orders.

Strict Quality Assurance: Features random visual and function inspections with traceable raw materials and dedicated QA inspectors.

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 are the available material options for the spiral wound gasket?

The gasket is typically crafted from carbon steel but is available in corrosion-resistant finishes and high-temperature alloys including 304, 316, Alloy825, Monel400, Inconel625, and S32750. Fillers include Asbestos, Graphite, PTFE, and Non-asbestos.

Q:Does the gasket support customization?

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

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

The Minimum Order Quantity is 2 units.

Q:What are the lead times for production?

The average lead time varies by season. During peak season, the lead time is one month. During the off-season, the lead time is within 15 workdays.

Q:What standards does the gasket comply with?

The gasket is compliant with stringent DIN 2699 standards. The inner ring is highly recommended for graphite fillers according to ASME B16.20 standards.