What are the available connection forms?

Available connection forms include Flange, Wafer, and Lug/Lugged types.

What is the lead time for production?

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

En558 Duo Door Check Valve with Lugged End Connection

Name: En558 Duo Door Check Valve with Lugged End Connection
Brand: Tianjin Worlds Valve Co., Ltd.
SKU: 689996212

Tianjin, ChinaTianjin Worlds Valve Co., Ltd.

US$15.00-200.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Low Temperature

Model NO.

H77X(H)-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

Bellows Globe Valve

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage, Household Usage

Standard or Nonstandard

Standard

Color

Blue, Red, Green, Gray

Connection

Wafer

Material Info.

Cast Iron.Wcb, Aluminium Bronze, Stainless Steel

Structure Type

Butterfly Type Check Valve

Use

Industrial Control

Certificate

ISO, Ce Wras Acs

Surface

Epoxy

Size

DN40-1200

Transport Package

Plywood or Wooden Box

Specification

CE, ISO. JIS. ANSI

Trademark

WDS / WORLDS/OEM

Origin

Tianjin China (Mainland)

HS Code

8481804090

Production Capacity

6000 Tons/Year

Key features

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

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

Water Hammer Prevention: Disc pivots through small arc preventing backflow and water hammer for efficient operation.

Easy In-Line Service: Designed for easy maintenance and service directly in the pipeline without full removal.

Wide Material Options: Available in Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze for various media.

Comprehensive Certifications: Holds CE, ISO, WRAS, and ACS certificates ensuring compliance with international standards.

Customization Available: Offers full customization, minor customization, and customization from samples or designs.

Low Minimum Order: Accepts orders starting from just 1 unit, suitable for small projects and testing.

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: ≤2.01h

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 options include Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze. Disc materials match these options including Ductile Iron, Carbon Steel, Stainless Steel, and AL-Bronze.

Q:Can this valve be used in vertical piping?

Yes, the valve can be used in vertical piping with flow up due to its superior tightness and self-aligning seating.

Q:What is the minimum order quantity?

The minimum order quantity is 1 unit.

Q:Is OEM or ODM service available?

Yes, both OEM and ODM services are available, including customization from samples, designs, and full customization.

Q:What certifications does the product hold?

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