What certifications does the product have?

The product complies with BS, ANSI, EN, ISO, and GB standards and carries CE certification.

What is the lead time for orders?

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

What is the supply capacity?

We offer a robust supply capacity of 50,000 meters per day to meet customer demands efficiently.

PVC Spring Check Valve DN40-DN600 by Huhang From China

Name: PVC Spring Check Valve DN40-DN600 by Huhang From China
Brand: Huhang Technology Group Co., Ltd.
SKU: 2230367535

Fujian, ChinaHuhang Technology Group Co., Ltd.

US$29.00-198.00

1 Piece

Product profile

Customization

Available

Media

Water

Temperature

Less Than or Equal to 80 Degrees

Model NO.

HADL41X

Material

Ductile Iron,Stainless Steel,Cast Steel

Connection Form

Flange

Structure

Swing

Pressure

Low Pressure

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Standard

BS, ANSI,En, ISO, GB

Application

Industrial Usage, Water Industrial Usage, Household Usage

Transport Package

Export Standard Packagea

Specification

DN40-DN600

Trademark

huhang

Origin

China

Production Capacity

50000PCS/Month

Key features

Zero Backflow Guarantee: Pressure differential principle ensures absolute prevention of backflow contamination.

25% Energy Saving: Ingenious design incurs no pressure reduction at the inlet for significant energy efficiency.

Patented Innovation: Protected by multiple patents including ZL 2013 1 0718280.5 and ZL 2013 2 0855732.X.

Pollution-Free Operation: Internal components crafted from high-quality stainless steel or copper alloy.

Compact Structure: Straight-through design saves space while enhancing operational efficiency.

Customization Available: Offers full customization, minor customization, and flexible customization options.

High Supply Capacity: Robust supply capacity of 50,000 meters per day ensures prompt delivery.

Comprehensive Quality Control: 100% inspection including visual and function checks with 23 QA/QC inspectors.

Company profile

High Repeat Buyers ChoiceSelf-brandedPatents AwardedExhibition Experience

Huhang Technology Group Co., Ltd.

Fujian, 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: 7 years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤1.21h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad manufacturing and technical capabilities, including environmental-protection equipment, water-resource machinery, fire-related services, OEM/ODM support, product customization, and SDK availability. It reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. Quality, complaint handling, corrective-action, finished-product inspection, and supplier-assessment procedures are documented and followed. Production evidence includes three production lines, inventory capability, ten experienced export-trade staff, and one-month average lead times in both peak and off-season periods. However, the supplier lacks a valid contract with affiliated subcontractors and has no overseas warehouse or showroom. Financial information is identified for 2021–2023, but the provided slices do not disclose financial results or sufficient indicators to assess financial strength. No Fortune 500 cooperation is reported, although OEM service for well-known brands and repeat-buyer...

Supplier typeThe stated business scope covers sales and manufacturing of environmental-protection and water-resource equipment, as well as fire technical services and related technical services. This indicates a manufacturer and technical-service supplier rather than a purely trading entity.

CertificationsThe supplier reports CE and other product-compliance certifications, together with ISO9001:2015, ISO45001:2018, ISO14001, and other management or sustainability certifications. These explicitly support compliance and management-system capability.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus written supplier-service assessment procedures. However, it reports no overseas warehouse and no overseas showroom, which limits certain overseas service resources.

R&D capabilityThe supplier reports new products during the past year, ODM capability, SDK availability, and eight R&D engineers. These are explicit indicators of active product-development and technical resources.

Production capacityProduction evidence includes three production lines, inventory capability, standardized finished-product inspection instructions, one-month average lead times in both peak and off-season periods, and quality-assurance procedures. A deficiency exists because the factory and affiliated subcontractors reportedly have no valid manufacturing contract, creating a documented subcontracting-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad product-development and customization coverage.

Client casesThe supplier reports OEM service for well-known brands and a repeat-buyer preference of 80%–100%, which supports the existence of established customer relationships. However, it reports no cooperation with Fortune 500 companies, and no specific customer names or case details are provided.

Product Q&A

Q:What is the operating principle of this valve?

It uses a pressure differential principle where the main valve opens automatically as downstream pressure drops, ensuring seamless flow and preventing backflow.

Q:How does the drain valve function?

The drain valve opens automatically when the pressure difference (P1-P2) is at 14 KPa and remains open until the middle chamber is empty, creating a protective air gap.

Q:What materials are used for internal components?

All internal components are crafted from high-quality stainless steel or copper alloy to ensure pollution-free operation.

Q:Is customization available for this product?

Yes, we offer full customization, minor customization, flexible customization, and options based on samples or designs.

Q:What is the maximum operating temperature?

The valve is designed for media with a temperature of less than or equal to 80 degrees.