What materials are used for the valve body?

The valve body material is Stainless Steel.

What certifications does the company hold?

The company holds ISO9001, TS, ISO14001, GB/T28001 certifications, and is an ISO 9001 and CE Certified manufacturer.

What is the standard for this valve?

The standards are GB/T 12224 and Hg/T3704.

Durable PTFE Lined Check Valve for Fluid Control and Safety

Name: Durable PTFE Lined Check Valve for Fluid Control and Safety
Brand: Naifulong Group Co., Ltd.
SKU: 1992534591

Zhejiang, ChinaNaifulong Group Co., Ltd.

US$10.00-5,000.00

1 Set

Product profile

Customization

Available

Media

Acid

Temperature

Ordinary Temperature

Model NO.

H42F4

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

PTFE Lined Construction: Provides superior anti-corrosion protection for acid and alkaline media applications.

Bidirectional Flow Control: Designed with Ddcv Double Lobe and Nrvr Silence functions for efficient fluid management.

Certified Quality Assurance: ISO9001, TS, ISO14001 certified with 100% finished product inspection.

Customization Support: ODM and OEM services available with customization from samples.

Stainless Steel Body: Constructed from durable stainless steel for ordinary pressure and temperature conditions.

Flange Connection: Standard flange connection form ensuring secure and easy installation.

Wide Industry Application: Suitable for chemical, pharmaceutical, water treatment, and new energy sectors.

Established Manufacturer: National high-tech enterprise with over 40 patents and 18 years of export experience.

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: ≤0.03h

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.