What standards does the product comply with?

It complies with ANSI, DIN, JIS, GOST, and GB/T standards for design, dimensions, and testing.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Three-Eccentric Multi-Layer Hard Seal Flange Butterfly Valve

Name: Three-Eccentric Multi-Layer Hard Seal Flange Butterfly Valve
Brand: Shanghai Sanwei Valve Manufacturing Co.,Ltd.
SKU: 2194468575

Zhejiang, ChinaShanghai Sanwei Valve Manufacturing Co.,Ltd.

US$13.00-230.00

1 Piece

Sample price:US$13.00/piece.Request sample

Product profile

Media

Water,Gas,Oil etc

Driving Mode

Pneumatic

Connection Form

Flange

Model NO.

D343H

Structure

Three-Eccentric Sealing

Seal Form

Force Sealed

Valve Stem

Normal

Work Pressure

Pn6~Pn25 (Class 150~Class 300)

Working Temperature

-40℃~+200℃

Material of Seal Surface

Metal Hard Sealed

Valve Body

Casting

Standard

ANSI DIN JIS GOST GB/T

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

1/2"-80"

Operation

Handwheel, Gear, Electric, Pneumatic

MOQ

Customized

OEM

Transport Package

Wooden Case

Trademark

SWF VALVE

Origin

China

HS Code

8481804090

Key features

Three-Eccentric Sealing Structure: Ensures minimal wear and progressively tighter sealing for long service life.

Metal Hard Sealing Technology: Cobalt-based alloy overlay provides high wear resistance and corrosion protection.

Bi-Directional Sealing Capability: Installation is not restricted by flow direction or space orientation.

Flexible Actuation Options: Supports Handwheel, Gear, Electric, and Pneumatic driving modes.

Customizable Sizes: Available in sizes ranging from 1/2 inch to 80 inches (DN15-DN2000).

OEM Customization Service: Offers full customization, minor customization, and design-based options.

Multiple Standard Compliance: Meets ANSI, DIN, JIS, GOST, and GB/T international standards.

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: ≤8.59h 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.