Engineered Composite for Longevity — FRP Flap Gate Outlives Metal, Reducing Lifecycle Cost
Product Specifications
- specification
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Product Highlights
- 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.
Product Attributes
- 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
- GB
- 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
- Package Size
- 1.00cm * 1.00cm * 1.00cm
- Package Gross Weight
- 1.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
FRP check-stop valve is mainly made of non-saturated polyester resin as a base, making to sheet and then molding into production. According to material , there are cast iron check-stop valve, steel check-stop valve, FRP check- stop valve. According to shape, there are square,round, pontoon flat,flat flap check-stop valve.FRP check-stop valve installed at the end of the drain pipe , prevent the external water flowing back. It is composed of a valve seat , a sealing ring and a hinge.

Saving labor (won't need manual operation);
Long service life ( 30-50years, simple mechanical structure, easy maintenance);
Corrosion resistance (acid and alkali resistance, not easy to cottode);
Light weight (it is the 1/4 of cast iron check-stop valve);
Strong strength , good dimensional stability;
Specification:DN100-3000mm
Joint Type:PN10 flange
Application Scope:
FRP check-stop valve is used in water conservancy engineering system, municipal sewage engineering, urban flood control and drainage, sewage treatment plant, hydropower station, water supply plant, fish pond and so on.
Applicable medium: water, drinking water, reiver water, sea water , domestic and industrial sewage water.




Application:
FRP check-stop valve is used in water conservancy engineering system, municipal sewage engineering, urban flood control and drainage, sewage treatment plant, hydropower station, water supply plant, fish pond and so on. Applicable medium: water, drinking water, reiver water, sea water , domestic and industrial sewage water.
Packaging & Shipping
>> Packing: Packaged by plastic film then bundled by rope.
>> Delivery: Within 15 days after the payment was received.
Company information:
HEBEI DONGDING CHEMICAL TRADE CO.,LTD is made up of several manufacturing enterprises, is a high tech enterprises that collection of sale for project consulting, designed and developed, engineering design, materials purchasing, transport of goods, equipment installation and training debugging, and has passed ISO 9001:2015 international quality management system certification, our company is the national foreign trade, the general administration of customs approved the company has import and export right.
We mainly produce potassium sulfate production equipment,FRP tank production equipment,FRP pultruded products(include FRP Square tube/Rectangular tube /Round tube /Rod / U channel / I beam / Flat / Angle /Decking panel /Plum blossom tube /Ladder carling /Ladder crossgirder ),FRP pipe, FRP tank,FRP septic tank,FRP water tank,FRP grating,Cooling tower,FRP scrubber,Cable tray,FRP cover,FRP flange,FRP rock bolt,FRP handrail and so on,Looking forward to your visit and communication!
1. Q: Are you Trading Company or Manufacturing Factory?
A: We are both manufacturer and trading company. We have our own factory for almost seven years, and we have better service of overseas customers. Welcome to send your inquiry!
2. Q: How about the Delivery time?
A: 60days after receiving the deposit based on the MOQ. Normally, 30-35days to finish the order for a 20ft
container. Welcome to ask for the detailed delivery time according to your order quantity!
3. Q: How can you guarantee the product quality?
A: 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.
4. Q: What is about the payment terms.
A: Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.
5. Q: Can you do OEM for me?
A: We accept all OEM orders,just contact us and give me your design,we will offer you a reasonable price ASAP.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR236556". Items marked "" are certified.
Company Profile
Hebei Derunze Chemical Equipment Co., Ltd is a high tech enterprises that collection of sale for project consulting, designed and developed, engineering design, materials purchaseing, transport of goods, equipmeny installation and debugging, also we had pass the ISO 9001: 2015, ISO14001: 2015 and GB/T45001-2020/ISO45001: 2018 international quality mamagement system certification.
Our company mainly business: FRP/GRP pipe, vessel, tank, chemical equipment, cooling tower, pultrusion profiles, molded product, radar protection cover, electrolytic cell, S&F double-layer underground oil storage tank, potassium sulfate equipment with Mannheim furnace, grout spray pipe and other FRP/GRP product and chemical equipment. Our products are widely used for urban water supply and drainage, sewage treatment, sea water desalination, chlor-alkali, petrifaction, electric power, printing and dyeing, titanium dioxide, metallurgy, brew, pharmacy, military project, organic silicon, weather, aerospace and other fields.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 398, Kaiyuan Road, Jizhou District,Hengshui, Hebei, China
-
Plant Area
- 11000 square meters
-
Number of Employees
- 48
-
Registered Capital
- 58,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1 pcs
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Potassium Sulfate Equipment, FRP Product
-
Production Lines
- 6
-
Production Machines
- Winding machine, Pultrusion machine, CNC machining center, Drilling machine, CNC vertical lathe, CNC horizontal lathe, Boring machine, Saw machine, Flame cutting machine, Pressure forming machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-09-17
-
Export Year
- 13 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, Uzbekistan
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- 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.
- 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.
- 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.
- What is about the payment terms.
- Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.
- 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.
- 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.
Send your message to this supplier
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