What are the available end standards?

End standards include PN6/10/16/25/21/150lb, JIS5K/10K, AS2129 Table D/E/F, ANSI B16.10, and others.

What is the average lead time?

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

Full EPDM Rubber Liner Seat Butterfly Type Duo Check Valve

Name: Full EPDM Rubber Liner Seat Butterfly Type Duo Check Valve
Brand: Tianjin Worlds Valve Co., Ltd.
SKU: 689733382

Tianjin, ChinaTianjin Worlds Valve Co., Ltd.

US$10.00-200.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Low Temperature

Model NO.

H77X-125LB

Material

Stainless Steel

Connection Form

Flange

Structure

Butterfly

Pressure

Low Pressure

Function

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

Sealing Form

Bellows Globe Valve

Flow Direction

Unidirection

Standard

DIN

Application

Industrial Usage, Water Industrial Usage, Household Usage

Body Material

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

Disc Material

1.4469/1.4529/Saf2205/2507/CF8/CF8m etc

Seat Material

NBR/EPDM/PTFE/Viton/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;API594

Transport Package

Plywood Case

Specification

DN50-600

Trademark

WDS / WORLDS/OEM

Origin

Tianjin China

HS Code

8481300000

Production Capacity

1000000 Tons/Year

Key features

Superior Tightness: Conical, lapped-in hardfaced seating is self-aligning for superior tightness.

Water Hammer Prevention: Disc pivots through a small arc to prevent backflow and water hammer.

Easy In-line Service: Entire seat-hinge-pin-disc assembly can be tested outside the valve before installation.

Wide Material Options: Body, disc, and seat materials available in Cast Iron, Stainless Steel, and various elastomers.

Vertical Piping Capability: Valve can be used in vertical piping with flow up direction.

OEM and ODM Services: Full customization, minor customization, and design-based customization available.

Comprehensive Certifications: CE, ISO, WRAS, and ACS certificates available for quality assurance.

Low Minimum Order: Minimum Order Quantity is 1 unit for flexible purchasing.

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: ≤2.19h

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.

Product Q&A

Q:What materials are available for the valve body and disc?

Body materials include Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze. Disc materials include Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze.

Q:Can this valve be used in vertical piping?

Yes, the valve can be used even in vertical piping with flow up.

Q:What is the minimum order quantity?

The minimum order quantity is 1 unit.

Q:Do you offer OEM and ODM services?

Yes, we offer OEM service, ODM service, full customization, minor customization, and customization from samples or designs.

Q:What certifications does the product have?

The product holds CE, ISO, WRAS, and ACS certificates.