What are the payment terms?

Payment terms include LC, T/T, and D/P.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Can the valve be used in vertical piping?

Yes, the valve can be used in vertical piping with flow up due to its superior tightness design.

Dual Plate Disc Wafer Check Valve --- OEM Check Valve Supplier

Name: Dual Plate Disc Wafer Check Valve --- OEM Check Valve Supplier
Brand: Tianjin Worlds Valve Co., Ltd.
SKU: 690085072

Tianjin, ChinaTianjin Worlds Valve Co., Ltd.

US$10.00-100.00

1 Piece

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

H77X-10/16

Material

Cast Iron

Connection Form

Flange

Structure

Butterfly

Pressure

Low Pressure

Function

Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence

Sealing Form

Rubber Seal

Flow Direction

Unidirection

Standard

DIN

Application

Industrial Usage, Water Industrial Usage, Household Usage

Certificates

CE ISO Wras Acs

Body Material

Cast Iron/Ductile Iron/Wcb/CF8m/CF8/Al-Bronze

Disc Material

1.4469/1.4529/2205/2507/CF8/CF8m etc

Seat Material

NBR/EPDM/PTFE/FKM/Silicone etc

End Standard

Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F

Face to Face

En558; ISO5752; ANSI B16.10

Transport Package

Plywood Case

Specification

DN50-DN1200

Trademark

WDS

Origin

Tianjin, China

HS Code

8481804090

Production Capacity

6000 Tons/Year

Key features

Wide Size Range: Available in sizes from DN50 to DN1200 to fit various pipeline needs.

Multiple Material Options: Body, disc, and seat materials customizable including Cast Iron, Ductile Iron, Stainless Steel, and various alloys.

Superior Tightness Design: Conical lapped-in hardfaced seating ensures self-alignment and prevents backflow and water hammer.

Unique Cage Unit: Seat-hinge-pin-disc assembly tested outside valve before welding to eliminate pin seal leakage.

OEM/ODM Service: Full customization available from samples, designs, or minor modifications with experienced engineers.

Versatile Media Compatibility: Suitable for fresh water, sewage, sea water, air, vapor, food, medicine, oils, and alkalis.

Multiple Pressure Standards: Supports PN1.0/1.6MPa and various international flange standards like ANSI, BS, EN, and JIS.

Comprehensive Certifications: Certified with CE, ISO, WRAS, and ACS for global market compliance and quality assurance.

Company profile

100% Finished Products InspectionManagement CertificationProduct CertificationHigh Repeat Buyers Choice

Tianjin Worlds Valve Co., Ltd.

Tianjin, 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: 20 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.11h

AI-Powered supplier vetting

SummaryThe supplier is a valve manufacturer with assembly and testing facilities, one reported production line, and stated annual output of 300,000 butterfly, gate, and check valve sets. It reports approximately 90+ employees, dedicated production, quality control, purchasing, sales, and design/development personnel, and five R&D engineers. The supplier supports sample, design, full, and minor customization, as well as ODM and OEM services. Quality systems include ISO 9001:2015 certification, written inspection procedures, and documented corrective, preventive, and complaint-handling processes. It has inventory capability, valid contracts with related subcontractors, and a one-month lead time in both peak and off-peak seasons, but no overseas warehouse or showroom. Financial records are identified for recent years, but the provided information does not establish financial strength. No specific customer names or verifiable customer case details are provided.

Supplier typeThe supplier is presented as a valve manufacturer producing butterfly, gate, and check valves, with assembly and testing facilities, production personnel, and a factory location in Tianjin, China. Its stated product output and manufacturing organization support classification as a manufacturer rather than solely a trading company.

CertificationsThe supplier reports an ISO 9001:2015 certificate in both its quality-management and supplier-management information. This explicitly supports certification holding, although no additional certification details or certificate scope are provided.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaint handling, maintains inventory capability, and reports a one-month average lead time in both peak and off-peak seasons. However, it has no overseas warehouse or showroom, which may limit local overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM capability, an available SDK, five R&D engineers, a dedicated design and development department, and more than 12 years of development experience. These details explicitly demonstrate ongoing product-development and R&D capability.

Production capacityThe supplier reports assembly and testing facilities, one production line, 60 production employees, inventory capability, valid contracts with related subcontractors, and annual output of 300,000 valve sets. It also reports a one-month lead time in both peak and off-peak seasons, supporting an established production operation.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. It also reports ODM services, indicating capability across multiple levels of product adaptation and design support.