How to choose between cast iron, cast steel, and stainless steel?

Cast iron is for water/air at normal temp/pressure. Cast steel is for steam/high temp/pressure. Stainless steel (304/316) is for corrosive media, food, or pharmaceutical applications.

High Performance Butterfly Valve Special Steel for Extreme Temperature Service

Name: High Performance Butterfly Valve Special Steel for Extreme Temperature Service
Brand: Zhejiang Kinko-Fluid Equipment Co., Ltd.
SKU: 1992142771

Zhejiang, ChinaZhejiang Kinko-Fluid Equipment Co., Ltd.

US$10.00

1-9 Pieces

US$1.00

10+ Pieces

Product specifications

Material

pressure

size

Product profile

Customization

Available

Media

Gas Oil Water Acid

Driving Mode

Manual

Application

Industrial Usage, Water Industrial Usage, Household Usage

Selling Units

Single Item

Single Package Size

20X20X20.Cm

Place of Origin

Zhejiang,China

Water,Air Gas,Oil, Chemicals

Applicable Medium Steam

OEM,ODM,Obm,Software

Customizedsupport Reengineering

Single Gross Weight

1.000 Kg

Power

Manual

Model Number

Kk-01

Trademark

kinko

Origin

China

Key features

Wide Size Range: Available from DN40 to DN1400, with options up to DN3200 for large pipelines.

Versatile Media Compatibility: Suitable for water, oil, gas, steam, and corrosive fluids with appropriate materials.

International Certifications: ISO 9001, CE approved, and Ex-proof certified for hazardous areas.

Custom OEM/ODM Support: Offers customized support and reengineering services for specific needs.

Professional Packaging: Standard export wooden cases with detailed weight and dimension data.

Company profile

Importers and ExportersSelf-brandedManagement CertificationR&D Capabilities

Zhejiang Kinko-Fluid Equipment Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-03-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.25h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a combined company type and a business scope covering valves, industrial automation devices, hardware, metal products, machinery, pumps, vacuum equipment, and power-related products. It reports OEM service for popular brands, ODM and multiple customization options, and describes access to precision CNC machining and comprehensive testing equipment; however, other evidence indicates no valid manufacturing-capacity contract with affiliated subcontractors. The supplier has ISO9001:2015, ISO45001:2018, and ISO14001 certifications. Service procedures exist for capability assessment, corrective and preventive actions, and customer complaints, but no records were provided. It has no in-stock capacity, overseas warehouse, or overseas showroom, while overseas service offerings include debugging. Financial records are identified for 2023–2025, but the provided slices do not establish their adequacy. Innovation evidence is limited because no new products were...

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, providing explicit evidence of quality, occupational health and safety, and environmental management certification. The slices do not provide certificate validity dates or issuing-body verification details.

R&D capabilityThe supplier reports ODM capability and multiple design-service options, including customization from samples, designs, full customization, minor customization, and flexible customization. However, it reports no new products in the past year and no available SDK, which are explicit limitations for recent product innovation and software-development support.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. These statements directly support a broad customization offering, although the slices do not provide project examples, technical specifications, or delivery-performance evidence.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of experience serving recognized-brand customers. No customer names, product examples, order records, or independently verifiable case details are provided, so the depth and verifiability of these cases remain limited.

Product Q&A

Q:What sizes are available?

Sizes range from DN40 to DN1400, with options up to DN3200. Common sizes include DN25, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400 and larger.

Q:What media is it suitable for?

It works for water, air, oil, and weak acid/alkali. Strong corrosive media requires lined or stainless steel types, while high-temperature media needs metal-sealed valves.

Q:How to judge the quality of a butterfly valve?

Check for heavier weight indicating better material, smooth casting without pores, smooth operation without jamming, good sealing performance, and a complete nameplate.

Q:Are there national and industrial standards?

Yes, the main Chinese standard is GB/T 12238. Regular products have a nameplate, certificate, and marked pressure, diameter, and material.

Q:Is installation difficult?

No, installation is simple. Wafer types are clamped between flanges, and flange types are bolted to pipes. Follow the flow direction arrow.