FRP Weir Plate

FRP Weir Plate Specification

Glass Type
E-glass

Density
1.9 Gram per cubic centimeter(g/cm3)

Coating Type
UV-resistant gel coat

GSM
Typically 900 - 1200 GSM

Usage & Applications
Industrial and municipal water treatment plants, effluent water clarification

Thermal Conductivity
0.25 W/mK

Temperature
-40C to 120C operating range

Shape
Rectangular or V-notch weir

Thickness
3 mm, 5 mm, custom available

Material
Fiberglass Reinforced Plastic (FRP)

Application
Water and wastewater treatment

Technique
Pultrusion or hand lay-up process

Surface Treatment
Smooth, corrosion-resistant finish

Dimension (L*W*H)
Custom sizes available as per requirement

Edge Type
Machined/Bevelled

Standards
IS 6746 / ASTM D4385 or equivalent

Tensile Strength
>350 MPa

Life Expectancy
15+ Years

Non-Conductive
Yes

Water Absorption
<0.5% by weight

Color
Light Yellow

Corrosion Resistance
High (suitable for chemicals and saline water)

Maintenance
Low maintenance, Easy to clean

Finishing
Glossy/Matte as per order

Installation
Bolt-on/Clamp Type

FRP Weir Plate Trade Information

Minimum Order Quantity
1 Square Meters

Supply Ability
30 Per Week

Delivery Time
5 Days

Sample Available
Yes

About FRP Weir Plate

Weirs in water and wastewater treatment plants help manage the inflow of water into launders or troughs by controlling it through their elevation. They come in both rectangular and V-shaped notch designs, which are used to regulate flow rates

Engineered for Longevity and Strength

Constructed from high-grade E-glass FRP, these weir plates maintain structural integrity across extreme temperatures (-40C to 120C). Their dense matrix (1.9 g/cm) and high tensile strength ensure lasting reliability even in challenging treatment plant environments. The UV-resistant gel coat and smooth surface protect against both chemical degradation and physical wear, supporting consistent flow measurement and water clarification.

Flexible Customization and Installation

Whether your project requires a bolt-on or clamp-type mount, these FRP weir plates adapt effortlessly to varied settings. Custom dimensions, edge profiles (machined or bevelled), and finish (glossy or matte) can be specified to meet precise operational needs. The lightweight yet sturdy design simplifies handling and installation, reducing downtime and labor costs in both new and retrofit systems.

FAQs of FRP Weir Plate:

Q: How is the FRP Weir Plate installed in treatment plant settings?

A: The FRP Weir Plate is engineered for straightforward installation using either bolt-on or clamp-type attachments, ensuring a secure fit within existing channels or tanks. Its lightweight construction facilitates easy positioning during setup, whether for new installations or replacement applications.

Q: What makes this FRP Weir Plate suitable for corrosive environments?

A: Fabricated from high-quality fiberglass reinforced plastic with a UV-resistant, corrosion-resistant surface treatment, this weir plate withstands chemical exposure and saline water. It is ideal for environments where traditional materials may degrade quickly, delivering long-term service with minimal corrosion.

Q: When should a custom size or thickness be selected for a weir plate?

A: Custom sizes and thicknesses are recommended when standard dimensions do not meet site-specific hydraulic or structural requirements. Our FRP Weir Plate can be manufactured to precise specificationslength, width, thickness, and notch typeensuring optimal flow measurement and compatibility with any treatment process.

Q: Where can FRP Weir Plates be applied besides municipal plants?

A: Beyond municipal water treatment facilities, FRP Weir Plates are extensively used in industrial plants, effluent water clarification, and other process water applications where accurate flow measurement and high durability are essential.

Q: What is the process of manufacturing the FRP Weir Plate?

A: Weir plates are fabricated using pultrusion or hand lay-up techniques. These processes embed E-glass fibers in a durable resin matrix, creating a high-strength, non-conductive plate that resists chemical and physical wear. Each plate is finished with a smooth, easy-to-clean, corrosion-resistant coating.

Q: How does using an FRP Weir Plate benefit maintenance and operational costs?

A: The FRP Weir Plates non-conductive, corrosion-resistant properties result in low maintenance needs. Its smooth surface prevents buildup, making cleaning effortless and reducing system downtime, thus lowering long-term operational expenses for treatment plants.

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