What is the pressure rating of the valve?

The pressure rating ranges from PN10 to PN25.

Is the valve suitable for vertical installation?

Yes, the valve can be installed either horizontally or vertically.

Cast Iron Casting Steel Wear-Resistant Spherical Check Valve

Name: Cast Iron Casting Steel Wear-Resistant Spherical Check Valve
Brand: Shanghai Sanwei Valve Manufacturing Co.,Ltd.
SKU: 2201297085

Zhejiang, ChinaShanghai Sanwei Valve Manufacturing Co.,Ltd.

US$18.00-180.00

1 Piece

Sample price:US$18.00/piece.Request sample

Product profile

Media

Water,Gas,Oil etc

Temperature

Ordinary Temperature

Material

Cast Steel

Model NO.

HQ44X

Connection Form

Flange

Structure

Tubular

Pressure

Ordinary Temperature

Function

Backflow Prevention

Sealing Form

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

1/2"-48"

Operation

Automatic

MOQ

Customized

OEM

Transport Package

Wooden Case

Trademark

SWF VALVE

Origin

China

HS Code

8481804090

Key features

Wear-Free Design: Rubber ball disc with no shaft or bearings ensures even wear and long service life.

Silent Closing: Reduces water hammer and impact vibration with minimal noise during operation.

Low Resistance: Full-flow channel design offers 50% less head loss compared to swing-check valves.

Flexible Installation: Can be installed horizontally or vertically at pump outlets in water supply networks.

High Versatility: Multiple sizes achieved by varying ball quantity and arrangement on the partition plate.

Good Sealing Performance: Rubber-covered rolling ball ensures tight sealing when closed under medium action.

OEM Customization: Supports full customization, minor customization, and flexible customization options.

ISO Certified Quality: Manufactured under ISO9001, ISO45001, and ISO14001 standards with 100% inspection.

Company profile

Quality AssuranceManagement CertificationCooperated with Fortune 500Fast Delivery

Shanghai Sanwei Valve Manufacturing Co.,Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 22 years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤7.37h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier appears to be a technology, machinery, components, and casting-related manufacturer with three production lines and a broad machining equipment base. It offers extensive customization and has documented finished-product inspection procedures, quality assurance, corrective-action, and complaint-handling processes. ISO9001:2015, ISO45001:2018, and ISO14001 certificates are reported, and the supplier states that it has worked with Fortune 500 companies. However, the information also identifies weaknesses: no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, showroom, agents, or branches, no offline trade-show participation, no SDK availability, and no standard outsourcing procedure or continuous batch quantity reconciliation. Financial information is incomplete and inconsistent across the provided records, so financial credibility cannot be determined.

Supplier typeThe stated business scope covers technology development and transfer, pneumatic and electric tools, pneumatic and hydraulic machinery and components, ferrous metal casting, seals, and gears. This indicates a technical industrial equipment and components supplier with manufacturing-related activities.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates, quality assurance in quality control, and a factory environmental impact assessment report. Product compliance certification is listed only as “Others,” so the specific product standard is not identified.

After-Sales capabilityThe supplier has documented corrective and preventive action and customer-complaint procedures with follow-up records, and it offers in-stock service capability. However, it has no overseas warehouse, showroom, agents, branches, or overseas service countries, limiting demonstrated local overseas support.

Production capacityThe supplier lists extensive machining, drilling, painting, blasting, and hydraulic testing equipment, reports three production lines, and has in-stock capacity. Production-control weaknesses include no valid manufacturing-capacity contract with related subcontractors, no continuous quantity reconciliation for each batch, and no standard outsourcing procedure.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. Its listed manufacturing equipment also supports a range of machining and finishing activities.

Client casesThe supplier states that it has collaborated with Fortune 500 companies and reports a repeat-buyer preference of 50%–80%. No customer names, project details, order scope, or independently verifiable case information are provided.