How can I check the quality of a bulk order?

We provide pre-production samples, quality certs (measurement report, material data sheet, COO, COA), and accept third-party inspections like SGS, TUV, INTERTEK, and BV.

How do you select raw compounds for my application?

With years of experience, we help select the material that best suits your needs while keeping material costs in mind.

Do you use international standards for rubber products?

Yes, we mainly use ASTM D2000 for quality definition, with tolerances as per ISO3302 and ISO2768.

Can you supply different color materials?

Yes, we can produce custom molded rubber and silicone rubber products in different colors. The color code will be required for an order.

What materials are available for production?

Available materials include NBR, EPDM, SILICONE, FKM, NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, and Fluorosilicone(FVMQ).

Premium Duckbill Check Valve for Reliable Fluid Control

Name: Premium Duckbill Check Valve for Reliable Fluid Control
Brand: Xiamen Best Seal Imp. and Exp. Co., Ltd.
SKU: 1922651626

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

Media

Water

Temperature

Ordinary Temperature

Model NO.

1''

Material

Silicone

Connection Form

Flange

Structure

Custom

Pressure

Ordinary Pressure

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Application

Industrial Usage, Water Industrial Usage, Household Usage

Description

Duckbill Valve

Color

as Per Request

Size

Customize Size

Transport Package

Plastic Bag

Origin

China

Key features

Customizable Dimensions: Size can be customized according to specific requirements.

Multi-Color Options: Available in various colors as per customer request.

High Chemical Stability: Resistant to most chemicals and does not absorb water.

Durable Material: Made from high-quality silicone rubber resistant to compression and deformation.

Versatile Applications: Suitable for medical, industrial, and household usage.

Multiple Certifications: ISO9001 certified with KTW, W270, WRAS, ACS, and ROHS approvals.

Flexible Customization: Offers full customization, minor customization, and design-based options.

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: ≤4.31h

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.

Product Q&A

Q:What are the payment terms?

We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight. West Union, VISA, and Paypal are also accepted.

Q:What is the normal lead time for product orders?

Average lead times for prototype/first article are 7-10 days. If tooling is involved, production tooling takes 10 days, and average production time after sample approval is 2-3 weeks.

Q:What is your standard packing method?

All goods are packed by carton box and loaded with pallets. Special packing methods can be accepted when needed.

Q:What is your monthly production capacity?

Capacity depends on the model. We produce more than 1500 tons of rubber materials per month.

Q:What certificates do you have?

We are ISO9001:2008 certified by SGS since 2019. We also have various rubber compounds approved by KTW, W270, WRAS, ACS, AS4020, EN681, EN549, ROHS, and REACH.