Butterfly Valve PTFE Lined with Worm Gear Flanged Ends Steel Valve

Name: Butterfly Valve PTFE Lined with Worm Gear Flanged Ends Steel Valve
Brand: Naifulong Group Co., Ltd.
SKU: 2300588785

Zhejiang, ChinaNaifulong Group Co., Ltd.

US$10.00

1 Set

Sample price:US$66.00/set.Request sample

Product profile

Customization

Available

Media

Acid

Driving Mode

Worm Gear

Model NO.

D371F

Connection Form

Flange

Structure

Centre Sealing

Seal Form

Force Sealed

Valve Stem

Normal

Work Pressure

< Pn25

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

PTFE

Valve Body

Casting

Standard

GB Hg AISI API Jik DIN

Application

Industrial Usage, Water Industrial Usage, Chemical, Petrochemical, Metallurgical

Working Medium

Strong Acids, Alkalis and Corrosive Chemical Media

Body

Wcb CF8m CF3m

Lining

PTFE

MOQ

Annual Production

12, 000+ Units, Stable Lead Time 7-15 Days

Transport Package

Wooden Case

Specification

DN40-DN1800

Trademark

NFL

Origin

China

HS Code

8481804090

Production Capacity

800000 PCS

Key features

One-piece fluorine-lining molding process ensures no pinholes or bubbles. The lining is firmly bonded to the valve body, eliminating medium penetration and corrosion. All products have passed third-p

Labor saving and self locking worm gear mechanism. Quick open to close with 90 degree rotation, built in position lock to prevent misoperation, easy to operate even for large diameter valves.

Flange standards comply with HG/GB/ANSI and other international standards, compatible with various industrial pipelines. The worm gear actuator supports multiple installation angles, adapting to compl

Company profile

Importers and ExportersPatents AwardedExhibition ExperienceHigh Repeat Buyers Choice

Naifulong Group Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 18 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.01h

AI-Powered supplier vetting

SummaryThe supplier is a Zhejiang-based high-tech manufacturer focused on pumps, vacuum equipment, valves, hardware, metal products, and industrial automation components. It reports over 40 patents, recent new-product development, ODM services, and OEM work for well-known brands. Production is supported by machining, injection, CNC, welding, and pipe-machining facilities, 12 quality inspectors, documented finished-product inspection instructions, and valid contracts with associated subcontractors. Quality and sustainability systems include ISO9001:2015, ISO45001:2018, and ISO14001 certifications, while regular fire drills were conducted during the past year. The supplier has 18 years of export experience, with exports representing 51%–70% of total sales, and has participated in the Russian PVC Exhibition. However, it reports no SDK, inventory, overseas warehouse, overseas showroom, overseas agent or branch, and zero countries with overseas service coverage. Financial records are identified for 2023–2025, but no...

Supplier typeThe supplier identifies itself as a national high-tech enterprise, Zhejiang Made unit, and specialized and sophisticated enterprise. Its stated business scope covers manufacturing, pumps and vacuum equipment, valves and plugs, hardware, metal products, and industrial automation products, indicating a diversified industrial equipment manufacturer.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. It also reports other product-compliance certification, but the specific standard is not identified, so the assessment is supported primarily by the named management-system certificates.

After-Sales capabilityThe supplier reports no in-stock service capability, overseas warehouse, overseas showroom, overseas agent, or overseas branch, and lists zero countries where overseas services are offered. These stated limitations indicate weak overseas after-sales and local-service coverage.

R&D capabilityThe supplier reports more than 40 patents, including multiple national patents, and states that it developed new products during the past year. It also provides ODM and OEM services, although it explicitly reports no available SDK.

Production capacityProduction evidence includes valid manufacturing-capacity contracts with associated subcontractors, machining, injection, CNC, welding, and pipe-machining facilities, 12 quality inspectors, documented inspection instructions, and a one-month peak-season lead time. The supplier also reports 12 qualified service-capability suppliers and written procedures with follow-up records, supporting substantial production and quality-management capability.

Customization capabilityThe supplier reports customization from samples, ODM services, and OEM services for well-known brands. These statements directly support the ability to deliver customer-specific products and manufacturing solutions.

Product Q&A

Q:What body materials are available for lined butterfly valves? Can special materials be customized?

Standard options include carbon steel (WCB) and stainless steel (CF8/CF8M/304/316). Special alloys and exotic materials are available upon request, with customized solutions based on working conditions.

Q:What is the working pressure range of the lined butterfly valve?

Standard pressure ratings range from PN6 to PN25, meeting the pressure requirements of most industrial piping systems. Custom solutions for special high-pressure conditions are available upon consultation.

Q:What size range is available for the lined butterfly valve?

Nominal diameter ranges from DN40 to DN1800. Corresponding sizes are available according to pipeline dimensions to meet different flow requirements.