How can I check the quality of a bulk order?

We provide preproduction samples, quality certs (measurement report, COA, COO), and accept third-party inspections like SGS or TUV.

How do you select raw compounds for applications?

We use years of experience to help select materials that best suit your needs while considering cost efficiency.

Do you follow international standards?

Yes, we mainly use ASTM D2000 for rubber quality and ISO3302/ISO2768 for tolerances.

Can you supply different color materials?

Yes, we produce custom molded products in different colors; a color code is required for orders.

What materials are available for production?

We offer NBR, EPDM, Silicone, FKM, Neoprene, NR, IIR, SBR, ACM, AEM, and Fluorosilicone.

Cup Type EPDM Rubber Diaphragm Special for Pump Rubber Parts

Name: Cup Type EPDM Rubber Diaphragm Special for Pump Rubber Parts
Brand: Xiamen Best Seal Imp. and Exp. Co., Ltd.
SKU: 2081947352

Fujian, ChinaXiamen Best Seal Imp. and Exp. Co., Ltd.

US$0.01-0.09

100 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

Rubber Diaphragm

Product Name

Rubber Diaphragm

Compound Material

Meet ASTM D2000, Can Be Rosh, Reach Compliance

Hardness

From 20 ~ 90 Shore a

Color

as Per Request

Size

Customize Size

Package

PE Bag, Carton

Sample

Sample Avaliable

Advantage

Smooth Surface with Small Parting Line

Transport Package

PE+Carton

Specification

1*1*1

Trademark

Origin

China

Key features

High Pressure Resistance: Fabric reinforced design allows operation under high pressure conditions.

100% Leak Testing: Every diaphragm undergoes water leakage testing before shipment.

Wide Material Selection: Available in NBR, EPDM, Silicone, CR, FKM, and other rubber compounds.

Custom Color Options: Colors can be customized based on specific customer requests.

Durable Performance: Resistant to oil, acid, alkali, and high temperatures with long service life.

Precision Manufacturing: Smooth surface with small parting lines and precisely located holes.

Comprehensive Certifications: ISO9001 certified with KTW, WRAS, ACS, ROHS, and REACH approvals.

Flexible Customization: Full customization available from samples, designs, or minor adjustments.

Company profile

Importers and ExportersManagement CertificationHigh Repeat Buyers ChoiceFull Customization

Xiamen Best Seal Imp. and Exp. Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤4.19h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Xiamen, with a business scope covering mold sales, mold manufacturing, professional design services, material research and development, and related product sales. It offers multiple forms of customization, ODM, and OEM services, and reports 12 years of export experience. Quality procedures are documented and uniformly followed, and ISO9001:2015 certification is reported. However, the supplier is not classified as a professional technical supplier, does not provide 3D software design services or SDKs, reported no new products in the past year, and lacks stated inventory, overseas warehouse, overseas branch or agent, showroom, and valid manufacturing-capacity contracts with affiliated subcontractors. Production equipment improvements are described, but manufacturing capacity is not fully verified. Financial records are referenced for 2022–2024, without sufficient performance details for a financial assessment. Customer-related evidence is limited to OEM...

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality-management certification, although no additional certification details or certificate scope are provided.

After-Sales capabilityThe supplier reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries. These limitations indicate weak documented overseas service infrastructure, although the slices do not directly describe warranty or complaint-handling procedures.

R&D capabilityThe supplier does not have an available SDK, is not classified as a professional technical supplier, and reported no new products in the past year. It does provide ODM services and describes investment in advanced automated machinery, but the available evidence does not establish strong product or technology innovation capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad customization capability, although 3D software design services are not provided.