What is the warranty period?

The product has a long service life of 30-50 years due to its simple mechanical structure and corrosion-resistant FRP material.

What is the minimum order quantity?

The minimum order quantity is 1 pcs.

What are the available sizes?

Various sizes are available, ranging from DN100 to 3000mm with PN10 flange joint type.

Engineered Composite for Longevity — FRP Flap Gate Outlives Metal, Reducing Lifecycle Cost

Name: Engineered Composite for Longevity — FRP Flap Gate Outlives Metal, Reducing Lifecycle Cost
Brand: Hebei Derunze Chemical Equipment Co., Ltd
SKU: 2257473045

Hebei, ChinaHebei Derunze Chemical Equipment Co., Ltd

US$100.00

50-99 Sets

US$99.00

100-499 Sets

US$95.00

500+ Sets

Product specifications

specification

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Material

Fiberglass

Connection Form

Flange

Structure

Check Valve

Pressure

Ordinary Pressure

Sealing Form

Sealing Rubber

Flow Direction

Reversing

Standard

Application

Industrial Usage, Water Industrial Usage, Household Usage

Color

Customized

Process

Molded

Certificate

ISO

Transport Package

Plywooden Pallet

Specification

DN100-DN3000mm

Trademark

DRZ

Origin

Hebei, China

HS Code

39174000

Production Capacity

10000

Key features

30-50 Years Long Service Life: Simple mechanical structure ensures durability and easy maintenance for decades.

Corrosion Resistant FRP Material: Made of fiberglass and polyester resin, offering acid and alkali resistance.

Lightweight and Strong: Weighs only 1/4 of cast iron valves while maintaining strong strength and stability.

No Manual Operation Required: Automatic check-stop function saves labor by preventing external water backflow.

Wide Application Scope: Suitable for water conservancy, sewage treatment, flood control, and hydropower stations.

Customizable Color and Process: Color is customized and the process is molded to meet specific project needs.

ISO 9001:2015 Certified: Manufactured under strict international quality management system certification.

Flexible OEM Service: Accepts OEM orders with reasonable pricing based on customer designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Hebei Derunze Chemical Equipment Co., Ltd

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.87h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established industrial manufacturing and export capabilities, with products used across water treatment, petrochemical, power, metallurgy, pharmaceutical, aerospace, and other sectors. It holds ISO 9001, ISO 14001, and ISO 45001 certifications and has CE product certification capability. Production resources include six production lines and extensive machinery, supported by 6–10 quality-control staff, written inspection procedures, inventory capability, and stated lead times of within 15 working days off-season and one month during peak season. The supplier supports broad customization and has 13 years of export experience, with 71%–90% of sales from exports and self-operated import/export rights. However, it lacks overseas agents or branches, overseas warehouses, overseas showrooms, offline trade-show participation, popular-brand OEM service, SDK availability, valid manufacturing-capacity contracts with related subcontractors, continuous batch quantity reconciliation, and a...

Supplier typeThe supplier is an industrial equipment manufacturer serving diverse process industries, with products used in water supply, sewage treatment, desalination, petrochemical, power, metallurgy, pharmaceutical, aerospace, and other applications. Its export-oriented profile is supported by 13 years of exporting experience, self-operated import/export rights, and 71%–90% export sales.

CertificationsThe supplier explicitly reports ISO 9001:2015 and ISO 14001:2015 certifications, while the sustainability information also lists ISO 45001:2018 and CE certification capability. These certifications provide direct evidence of quality, environmental, occupational-health, and product-compliance systems, although the slices do not clarify certificate scope or validity dates.

After-Sales capabilityThe supplier accepts multiple service quotation and payment terms and has written procedures with follow-up records for assessing service capability. However, it has no overseas agents or branches, no overseas warehouse, no overseas showroom, and reports service coverage in zero countries, so international after-sales support appears limited.

Production capacityProduction capability is supported by six production lines, extensive winding, pultrusion, CNC, machining, forming, cutting, and drilling equipment, 6–10 quality-control staff, inventory capability, written inspection instructions, and stated lead times of within 15 working days off-season and one month during peak season. Risks include no valid manufacturing-capacity contract with related subcontractors, no continuous quantity reconciliation for batches, and no formal outsourcing SOP.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage, although the slices do not specify technical limits, tooling scope, or engineering turnaround.

Product Q&A

Q:Are you a Trading Company or Manufacturing Factory?

We are both manufacturer and trading company. We have our own factory for almost seven years, and we have better service of overseas customers.

Q:How about the Delivery time?

60days after receiving the deposit based on the MOQ. Normally, 30-35days to finish the order for a 20ft container.

Q:How can you guarantee the product quality?

We have the quality control system ISO9001:2015, and it's been followed strictly. We also have the professional QC team, and each our package worker will be in charge of the final inspection according to the QC instruction before packing.

Q:What is about the payment terms.

Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.

Q:Can you do OEM for me?

We accept all OEM orders,just contact us and give me your design,we will offer you a reasonable price ASAP.