Lesso Ductile Iron Rubber Flap Swing Check Valve Industrial Valve

Name: Lesso Ductile Iron Rubber Flap Swing Check Valve Industrial Valve
Brand: Guangdong Liansu Technology Industrial Co., Ltd.
SKU: 2300913895

Guangdong, ChinaGuangdong Liansu Technology Industrial Co., Ltd.

US$16.50

10 Pieces

Sample price:US$39.50/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Model NO.

H44X-10Q

Material

Cast Iron

Connection Form

Flange

Structure

Swing

Pressure

Ordinary Pressure

Function

Check Valve

Sealing Form

NBR Seal

Flow Direction

Unidirection

Standard

Application

Industrial Usage, Water Industrial Usage

Color

Blue

Working Temperature

≤80º

Transport Package

Carton Box

Specification

DN50

Trademark

Lesso

Origin

China

HS Code

8481300000

Production Capacity

50000PCS/Year

Key features

QT450 body, impact resistant & stable

NBR seal, tight anti-backflow performance

GB standard, DN50-DN200 full sizes

Swing design, sensitive opening low pressure loss

PN10/PN16 two pressure options available

NBR aging-resistant for long service life

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamFast Delivery

Guangdong Liansu Technology Industrial Co., Ltd.

Guangdong, 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: 27 Years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤0.62h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, and R&D information provided. It reports extensive customization, ODM and OEM capability, new-product activity within the past year, and 27 years of exporting experience. Production-related evidence includes fully automatic extrusion and injection-molding equipment, 66 quality inspectors, documented finished-product inspection procedures, and a one-month average lead time in both peak and off-season periods. However, the supplier reports no quality assurance capability, no in-stock service, no overseas warehouse, no overseas agents or branches, no overseas showroom, and no offline trade-show participation. Its financial credibility cannot be assessed from the provided records because the financial entries only identify reporting years and contain no usable financial results. Customer evidence is limited to one named buyer and one recorded trade transaction.

Supplier typeThe supplier is classified as a combined company and provides information covering manufacturing, export trade, service, quality control, R&D, and sustainable development capabilities. This supports classification as a manufacturing-oriented combined supplier rather than an offshore company.

CertificationsThe supplier explicitly reports no quality assurance capability. No certification names or valid certification records are provided, so certification holding cannot be positively established; the stated absence of quality assurance is a specific deficiency.

R&D capabilityThe supplier reports that it had new products during the past year and provides ODM services, indicating active product-development capability. It also reports no available SDK, which limits evidence of software or developer-integration capability but does not negate its manufacturing R&D capability.

Production capacityProduction evidence includes fully automatic extrusion and injection-molding equipment, raw-material processing machinery, 66 quality inspectors, documented finished-product inspection procedures, and a one-month average lead time in both peak and off-season periods. Nevertheless, the supplier reports no valid manufacturing-capacity contract with affiliated subcontractors, so subcontracting governance remains a weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across the R&D and design-service records, providing direct evidence of broad customization coverage.

Product Q&A

Q:Model, main materials & standard?

H44X-10Q swing check valve. Disc: QT450-10 ductile iron; seal: NBR nitrile rubber, manufactured to GB standard. We can apply according standard and Cet meet for comfired project.

Q:Available nominal diameter range?

Complete sizes from DN50 to DN200 for selection.

Q:Difference between 10Q and 16Q?

10Q for PN10, 16Q for PN16 working pressure for different pipeline demands.

Q:Advantages of NBR sealing ring?

Good water resistance, anti-aging property and reliable shutoff effect against medium backflow.

Q:Suitable application media?

Cold & hot tap water, oil, sewage and general drainage pipelines.