DN32mm-DN2000mm Flanged Duckbill Check Valve Ductile Iron Steel
Product Overview
The EPDM Rubber Flanged Duckbill Check Valve is a versatile and reliable valve designed to prevent backflow in various applications. Constructed with high-quality materials including NR, EPDM, and NBR, this check valve is suitable for water, flood, sewage, acid, and alkali media applications.
Available in sizes ranging from DN32 to DN2000, this SS304 Flange EPDM Rubber Duckbill Check Valve provides effective backflow prevention in demanding environments. Its durable construction and high-quality materials ensure excellent resistance to abrasion, corrosion, and harsh chemicals.
Key Features
- Product Name: Rubber Duckbill Check Valve
- Pressure Range: (PN)0.6~1.6
- Backflow Prevention: Closing mechanism where lack of forward pressure squeezes the duckbill lips together
- Applications: Wastewater Treatment Plants, Sewage Systems, Stormwater Outfall Systems, Flood Control, Submerged Outfall Diffusers
- Compatible Media: Water, Flood, Sewage, Acid, Alkali
Technical Specifications
| Parameter |
Description |
| Backflow Prevention |
Closing mechanism where lack of forward pressure squeezes the duckbill lips together |
| Product Name |
Marine flange duckbill valve seawater corrosion resistant 0.1Bar low pressure start-up export-grade quality assurance |
| Forward Flow |
Opening mechanism where fluid pressure flexes the duckbill lips apart |
| Connection Type |
Flanged between two flanges in a pipeline system |
| Size Range |
DN32-DN2000 |
| Pressure Rating |
(PN)0.6~1.6 |
| Design |
Flexible elastomeric body with a duck's bill shape at one end |
| Operation |
Passive operation based on fluid pressure differential |
Applications
The Liang He XH-81 Rubber Duckbill Check Valve provides reliable backflow prevention for water systems, flood control, sewage treatment, and handling of acidic or alkaline fluids. Its innovative design ensures efficient forward flow while preventing backflow.
Support & Services
Our technical support team assists with installation, operation, and maintenance of the valve. We offer on-site installation assistance, maintenance training programs, and customized solutions to meet specific requirements.
Packaging & Shipping
Each valve is carefully wrapped in protective material and placed in sturdy boxes to ensure safe delivery. We work with trusted shipping partners for timely delivery with tracking available.
Frequently Asked Questions
Q1: What is the brand name of the Rubber Duckbill Check Valve?
A1: The brand name is Liang He.
Q2: What is the model number of the Rubber Duckbill Check Valve?
A2: The model number is XH-81.
Q3: What certification does the Rubber Duckbill Check Valve have?
A3: It is ISO 9001 certified.
Q4: Where is the Rubber Duckbill Check Valve manufactured?
A4: The product is made in Henan, China.
Q5: What are the payment terms accepted for purchasing the Rubber Duckbill Check Valve?
A5: Payment terms include T/T, D/A, D/P, Western Union, MoneyGram, and L/C.
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