What are the lead times for production?

Lead time is one month for both peak and off-peak seasons.

Is OEM service available?

Yes, we provide OEM service for world-famous valve brands.

En558 Dual Disc Non Return Valves Wafer Double Flap Check Valves

Name: En558 Dual Disc Non Return Valves Wafer Double Flap Check Valves
Brand: Tianjin Worlds Valve Co., Ltd.
SKU: 689997152

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

Acid, Water, Oil, Gas, Sea Water, etc

Temperature

Ordinary Temperature

Model NO.

H77X(H)-10/16

Material

Cast Iron

Connection Form

Flange

Structure

Wafer

Pressure

Ordinary Pressure

Function

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

Sealing Form

Bellows Globe Valve

Flow Direction

Unidirection

Standard

DIN3356;API594;API6d;

Application

Industrial Usage, Water Industrial Usage, Household Usage

Body Material

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

Disc Material

4469/1.4529/Saf2205/2507/CF8/CF8m etc

Seat Material

NBR/EPDM/PTFE/Viton/Silicone etc

Coating

Fbe Epoxy Coated

End Standard

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

Face to Face

En558; ISO5752; ANSI B16.10;API594

Transport Package

Plywood Box

Specification

DN40-DN1200

Trademark

OEM

Origin

Tianjin China (Mainland)

HS Code

8481804090

Production Capacity

1000000 PCS/Year

Key features

Dual Disc Design: Wafer double flap check valve with unique cage unit for superior tightness and no water hammer.

Wide Material Options: Body available in Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze.

Customizable Specifications: Full customization available from samples, designs, or minor adjustments for discs and seats.

Versatile Application: Suitable for acid, water, oil, gas, seawater, and industrial systems like desalination and mining.

Certified Quality: Holds CE, ISO, WRAS, and ACS certificates with 100% visual and function inspection.

OEM/ODM Service: Manufacturer offers OEM service for world-famous brands with 5 R&D engineers.

Large Size Range: Available in sizes DN50 to DN900 with working pressures up to 16 Bar.

Fast Response Time: Disc pivots rapidly near center of gravity to prevent backflow and wear.

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: ≤2.07h

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.