6. Is installation difficult?

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

7. How to choose cast iron, cast steel, stainless steel?

Cast iron: For water, air, normal temperature and pressure, low cost Cast steel: For steam, high temperature, medium and high pressure Stainless steel (304/316): For corrosive media, food, pharmaceutical applications

3" Pph Butterfly Valve for Marine Ballast Water

Name: 3" Pph Butterfly Valve for Marine Ballast Water
Brand: Zhejiang Kinko-Fluid Equipment Co., Ltd.
SKU: 1991888781

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

US$60.00

1 Piece

Product profile

Customization

Available

Media

Water,Air, Oil,Gas,Steam Chemicals

Driving Mode

Pneumatic

Model NO.

D971X-10p-DN65

Connection Form

Three-Jaw Vice

Structure

Angular

Seal Form

Auto Sealed

Valve Stem

Normal

Work Pressure

Mid-Pressure (2.5mpa< Pn <6.4mpa)

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Stainless Steel

Valve Body

Piston

Standard

ISO 5211

Application

Industrial Usage, Water Industrial Usage, Household Usage, LED Automation

Product Name

Pneumatic Actuator

Type

Mechanical Operator

Warranty

1 Year

Weight (Kg)

22.5

Body Material

Cast Iron

Strength

Pneumaitc

Acting Type

Double Acting and Spring Single

Certification

ISO 5211

Transport Package

One Piece

Specification

22.5kg

Trademark

KINKO

Origin

Zhejiang, China

Key features

Pneumatic Actuated for fast, automated control.

PTFE /EPDM Lined for strong corrosion resistance.

Wafer Type for compact, space-saving installatio

Manual Handwheel for backup emergency operation.

CE/ISO Certified for reliable quality.

Bi-directional Sealing for leak-tight shutoff.

Low Torque Design for easy actuation.

Kinko Quality with proven industrial performance.

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: ≤3.04h 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:1. What is a butterfly valve used for? How is it different from other valves?

A butterfly valve is used to open close and regulate flow in pipelines Compared with other valves it is compact lightweight cost effective and operates quickly 90 rotation to fully open close It is widely used for large diameter pipelines.

Q:How to choose the size? Is it based on diameter? What sizes are available?

Yes size is determined by nominal diameter DN. Common sizes: DN25, DN40, DN50 DN65 DN80 DN100 DN125 DN150 DN200 DN250 DN300 DN350 DN400 and larger

Q:3. What media is it suitable for? Water, oil, gas, acid and alkali?

Butterfly valves can be used for water, air, oil, weak acid and alkali Strong corrosive media requires lined or stainless steel types High-temperature media needs metal-sealed butterfly valves

Q:4. How to judge the quality of a butterfly valve?

Heavier weight usually means better material Smooth casting without pores or cracks Smooth operation, no jamming Good sealing performance Complete nameplate and identification

Q:5. Are there national and industrial standards? Is it a regular product?

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