Is installation difficult?

No, installation is simple. Wafer type is clamped between flanges, and flange type is bolted directly to pipes. Just follow the flow direction arrow.

How to choose cast iron, cast steel, or stainless steel?

Cast iron is for water/air at normal temperature/pressure. Cast steel is for steam/high temperature/pressure. Stainless steel (304/316) is for corrosive media, food, and pharmaceuticals.

1/2" Stainless Steel Butterfly Valve for HVAC Systems

Name: 1/2" Stainless Steel Butterfly Valve for HVAC Systems
Brand: Zhejiang Kinko-Fluid Equipment Co., Ltd.
SKU: 1992221401

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

US$60.00

1 Piece

Product profile

Customization

Available

Media

Oil

Driving Mode

Pneumatic

Model NO.

KK, QXMA, HQ, Q, H, AOX

Connection Form

Clamp

Structure

Centre Sealing

Seal Form

Force Sealed

Valve Stem

Orbit

Work Pressure

Low Pressure (Pn<1.6mpa)

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Metal Hard Sealed

Valve Body

Sheet Metal

Standard

IP68

Application

Industrial Usage, Water Industrial Usage, Household Usage

Control Pressure

3-8bar

Characteristic

Double Bubble

Transport Package

Specification

#1; #2; #3; #4; #5

Trademark

kinko

Origin

China

Key features

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

High Pressure Rating: Supports pressure ratings from PN0.6 to 6.4MPa (Class 150 to Class 300).

Versatile Media Compatibility: Suitable for water, wastewater, air, steam, oil, and corrosive fluids.

OEM and ODM Services: Full customization available including branding and specific control parameters.

Strict Quality Certification: ISO 9001 certified, CE approved, and Ex-proof for hazardous areas.

Fast Response Control: 90-degree rotation allows for quick opening and closing operations.

Multiple Control Options: Supports ON/OFF, adjusting types, solenoid valves, positioners, and limit switches.

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: ≤4.42h 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 is a butterfly valve used for?

It is used to open, close, and regulate flow in pipelines. It is compact, lightweight, cost-effective, and operates quickly with 90-degree rotation.

Q:How to choose the size?

Size is determined by nominal diameter (DN). 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?

Look 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 come with a nameplate, certificate, and marked pressure, diameter, and material.