What payment terms are accepted?

Accepted payment terms include LC and T/T.

What is the average lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Is customization available for this product?

Yes, customization from samples is available, and OEM and ODM services are offered.

Premium Smooth Check Valve for Versatile Water and Gas Use

Name: Premium Smooth Check Valve for Versatile Water and Gas Use
Brand: Naifulong Group Co., Ltd.
SKU: 2297503145

Zhejiang, ChinaNaifulong Group Co., Ltd.

US$10.00-5,000.00

1 Set

Product profile

Customization

Available

Media

Acid

Temperature

Ordinary Temperature

Material

Stainless Steel

Connection Form

Flange

Pressure

Ordinary Pressure

Function

Ddcv Double Lobe, Nrvr Silence

Sealing Form

Bellows Globe Valve

Flow Direction

Bidirectional

Standard

GB/T 12224 , Hg/T3704

Application

Industrial Usage, Water Industrial Usage

Specification

Customizable

Trademark

OEM

Origin

China

Key features

Bidirectional Flow Design: Ddcv Double Lobe and Nrvr Silence function ensures reliable bidirectional flow control.

Stainless Steel Construction: Constructed from high-grade stainless steel for durability in ordinary temperature and pressure.

Anti-Corrosion Technology: Specialized in anti-corrosion R&D with fluorine-lined valves for acid and alkaline industries.

ISO 9001 Certified Quality: Certified with ISO9001, TS, ISO14001, and GB/T28001 for rigorous quality management.

OEM and ODM Services: Offers full customization from samples with available OEM and ODM services.

Global Export Experience: 18 years of export experience serving Europe and East Asia with long-term partnerships.

Comprehensive Product Range: Offers fluorine lined ball, butterfly, gate, globe, and check valves plus pipes and fittings.

100% Finished Product Inspection: All finished products undergo 100% visual and functional inspection before delivery.

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:Who is NaiFuLong Group Co., Ltd?

NaiFuLong Group Co., Ltd. is an ISO 9001 and CE Certified manufacturer specializing in PTFE, FEP, and PFA material lined valves, pipes, fittings, and equipment.

Q:What products does the company offer?

Offerings include fluorine lined ball, butterfly, gate, globe, sleeve plug, and swing check valves, as well as filters, pipes, spools, elbows, reducers, and sight glasses.

Q:What are the main application fields for these products?

Products serve alkalies & acid industries, solvent factories, water treatment, pulp & paper mills, hydrocarbon plants, mining, energy & power plants, oil & gas, fertilizer, and pharmaceuticals.

Q:What quality issues are encountered in marketing fluorine lined products?

Common issues include lining adhesion problems, permeation and degradation, mechanical damage, and thermal cycling issues.

Q:What is the minimum order quantity?

The minimum order quantity is 1 set.