Can I get samples from your factory?

Yes, samples can be provided upon request.

What is your production capacity?

We have 20 CNC lathes for precision machining and professional inspection personnel to ensure every product meets quality standards.

Why should I choose your company?

We are a manufacturer with over 14 years of valve production experience and provide the best after-sales service.

Double Flanges Circle Cover Swing Non-Return Valve

Name: Double Flanges Circle Cover Swing Non-Return Valve
Brand: Wenzhou Huayu Valve Co., Ltd.
SKU: 2247870465

Zhejiang, ChinaWenzhou Huayu Valve Co., Ltd.

US$88.00

100-499 Pieces

US$70.00

500+ Pieces

Sample price:US$90.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Low Temperature

Model NO.

H44W Type Stainless Steel Flange End Swing Check V

Material

Stainless Steel

Connection Form

Flange

Structure

Swing

Pressure

Low Pressure

Function

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

Sealing Form

Bellows Globe Valve

Flow Direction

Reversing

Standard

Application

Industrial Usage, Water Industrial Usage, Household Usage

Certificates

ISO, CE

Trademarke

Qm Stainless

Standards

SMS, DIN, Ldf Rjt, Lso

Connection Type

Weld, Clamp, Thread, Flange or Other!

Transport Package

Cartons

Specification

Customization

Trademark

HUAYU

Origin

Wenzhou

HS Code

760900000

Production Capacity

5000 Pieces/Month

Key features

Customizable Connection Types: Supports Weld, Clamp, Thread, Flange, or other custom connection types.

Wide Size Range: Nominal diameter DN15~DN300 with custom sizes supported.

High-Quality Materials: Body made of CF8 (SS304) or CF8M (SS316L) stainless steel.

Certified Quality: Holds ISO, CE, and PED certificates with 14+ years manufacturing experience.

Anti-Water Hammer Design: Swing type flap ensures zero leakage in reverse direction and low flow resistance.

Flexible Pressure Options: Available in Class150/PN16 and Class300/PN25 pressure ratings.

Versatile Seal Materials: Seals available in PTFE, EPDM, FPM, or metal hard seal options.

Factory Direct Supply: Manufacturer with in-house production and 20 CNC lathes for precision.

Company profile

Management CertificationImporters and ExportersFast DeliveryQuality Assurance

Wenzhou Huayu Valve Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.36h

AI-Powered supplier vetting

SummaryThe supplier operates as a combined company with business scopes covering auto parts, hardware, valves, pumps, sealing components, metal tools, special-equipment manufacturing, technology promotion, and import/export activities. It reports advanced CNC equipment, including Japanese MAZAK machines, to support processing accuracy and production efficiency. The supplier provides ODM services, but reports no new products in the past year, no SDK, and no OEM services for popular brands. Service procedures exist for supplier assessment, corrective actions, and complaint handling, but no written records were provided. It has no overseas warehouse, showroom, agent or branch, and no history of offline trade-show participation. ISO9001:2015 certification is reported. Customer cases, detailed financial credibility evidence, and verified service-performance records are not sufficiently documented in the provided information.

Supplier typeThe supplier is identified as a combined company. Its stated scope includes manufacturing, technology-related activities, wholesale and retail of auto parts and hardware, valves, pumps, sealing components, metal tools, and import/export activities, indicating a manufacturer-trader profile rather than a narrowly specialized entity.

CertificationsThe supplier reports holding an ISO9001:2015 certificate under its sustainable development management information. The provided slice does not include certificate scope, issuing body, validity period, or verification details.

Production capacityThe business scope explicitly includes manufacturing of special equipment and hardware products, while the company description states that multiple advanced CNC machines, including Japanese MAZAK equipment, are used to improve core-component processing accuracy and production efficiency. These statements provide direct evidence of manufacturing capability.

Customization capabilityThe supplier explicitly reports availability of ODM services, supporting original-design customization. It does not provide OEM services for popular brands, and no further details on customization scope, tooling, minimum quantities, or execution records are supplied.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a manufacturer with in-house production capabilities, enabling direct supply from factory to global clients.

Q:How do you control product quality?

We deploy 2 dedicated QC staff for in-process inspections and a 5-member team for final inspection, including hydro static tests, cycle testing, and dimensional verification.

Q:What is the delivery time?

Normal products take 10-20 days, while bulk orders take 20-30 days, depending on specific conditions.

Q:What is the warranty period?

We provide a one-year warranty for all stainless steel products, with solutions including replacement, compensation, or reshipment based on circumstances.

Q:Do you have product certificates?

Yes, we hold ISO, CE, and PED certificates, and we also have patents.