Fibreglass Reinforced Polymer Systems

FRP & GRP Engineering Products

Engineered to replace vulnerable metallic and concrete equipment in aggressive chemical environments. Akvira Advanced Systems coordinates custom-fabricated chemical storage tanks, process piping, moulded and pultruded gratings, and industrial air pollution scrubbers.

Combining certified resin chemistries (Isophthalic, Vinyl Ester, Dual Laminate) with precision filament winding and compression moulding for zero-corrosion service life.

Key Performance Parameters

Why Engineers Specify FRP

100%
Corrosion Free

Immune to aggressive acids, alkalis, salts, and seawater.

70%
Weight Savings

Significantly lighter than steel, slashing installation costs.

30+ Yrs
Design Lifespan

Minimal maintenance overhead with no painting required.

Class 1
Fire Retardant

ASTM E-84 Class 1 / BS 476 flame spread compliance available.

Design Standards: BS 4994 • ASTM D3299 • ASME RTP-1

Chemical Immunity

Resists HCl, H2SO4, NaOH

Electrical Insulation

High dielectric breakdown

Structural Integrity

High strength-to-mass ratio

Low Lifecycle Cost

Zero repainting or recoating

Industrial Product Catalog

Comprehensive FRP / GRP Equipment Lines

Custom-engineered using premium vinyl esters, isophthalic resins, and automated filament winding systems according to precise client process sheets.

Category 01

FRP / GRP Chemical Storage Tanks & Process Vessels

Engineered for atmospheric storage and pressurized containment of aggressive acids, caustics, effluents, chlorine solutions, and industrial wastewater. Available as monolithic composite or dual laminate with internal thermoplastic liners.

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Configurations: Vertical cylindrical (flat/conical/dished), Horizontal with saddles, Underground burial.
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Capacity Range: 500 Litres to 150,000 Litres (custom diameters up to 4.5m).
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Dual Laminates: PP, PVC, PVDF, ECTFE, FEP internal corrosion barriers for extreme solvents.
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Fittings & Accessories: ANSI B16.5 flanged nozzles, top manholes, spiral ladders, safety cages, level transmitters.
Specification Standard Parameters Applicable Standard
Design Pressure Atmospheric to 3.5 Bar (pressurized) BS 4994 / ASME RTP-1
Operating Temperature -20°C to +120°C (depending on resin grade) ASTM D3299
Corrosion Barrier 2.5mm - 5.0mm C-Veil + resin rich barrier ASTM D2583
FRP Chemical Storage Tanks Filament Wound Tanks

Standard Tank Dimensions Quick Reference:

  • 5,000 Litres: Ø 1.8m × H 2.1m
  • 10,000 Litres: Ø 2.2m × H 2.8m
  • 25,000 Litres: Ø 3.0m × H 3.7m
  • 50,000 Litres: Ø 3.5m × H 5.4m
  • 100,000 Litres: Ø 4.2m × H 7.5m
Category 02

FRP / GRP Process Piping & Ducting Systems

Continuous filament-wound and contact-molded piping solutions for highly corrosive industrial process streams, cooling water circulation, desalination intake/outfall, chemical transfer, and fume exhaust ductwork.

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Nominal Diameters: DN 25 (1") to DN 2000 (80") in standard 6m and 12m spools.
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Pressure Classes: Gravity flow, PN 6, PN 10, PN 16, and up to PN 25 Bar.
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Jointing Technologies: Bell & Spigot with double O-rings, Butt & Strap laminated joints, Stub-end flanges.
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Fittings Portfolio: 45°/90° elbows, concentric/eccentric reducers, equal/reducing tees, blind flanges.
Parameter Specification Range Standard Reference
Hydraulic Roughness (Hazen-Williams) C = 150 (ultra-smooth low head-loss interior) AWWA C950
Flange Drilling Standards ANSI B16.5 Class 150 / DIN EN 1092-1 PN10/16 ISO 10631
Chemical Liner Thickness 1.5mm standard, 2.5mm heavy-duty sacrificial liner ASTM D2996 / D2997
FRP Process Piping Systems Process Piping & Manifolds

Piping Material Advantage:

FRP vs Steel: Eliminates cathodic protection systems, inner rubber lining degradation, and external corrosion from coastal atmosphere.

FRP vs PVC/HDPE: Far higher pressure capabilities, minimal thermal sag over long pipe racks, and continuous temperature resistance up to 105°C+.

Category 03

FRP Moulded & Pultruded Gratings

Heavy-duty composite flooring, walkways, trench covers, cat-walks, and stair treads engineered for high bidirectional load resistance, exceptional slip prevention, and total chemical immunity in harsh industrial environments.

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Moulded Grid Sizes: 38×38×38mm, 50×50×50mm, 38×38×25mm, and 19×19mm Micro-Mesh (ADA compliant).
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Pultruded High-Load Bars: I-Bar & T-Bar configurations for long clear spans with 40% - 60% open area.
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Surface Anti-Slip Grades: Meniscus concave surface or bonded quartz grit (DIN 51130 R13 rating).
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Fixing Accessories: 316 Stainless Steel M-Clips, C-Clips, G-Clips, and Hold-down clamps.
Panel Type Depth / Mesh Size Recommended Clear Span Uniform Load (UDL)
Moulded 25mm 25mm / 38×38mm Up to 600 mm > 5.5 kN/m²
Moulded 38mm (Standard) 38mm / 38×38mm Up to 900 mm > 12.0 kN/m²
Pultruded I-60 38mm 38mm / 60% Open Up to 1200 mm > 25.0 kN/m²
FRP Industrial Walkway Gratings Moulded & Pultruded Walkways

Resin Grades Available:

Type O (Orthophthalic): General industrial grade for water, light chemicals, and commercial footpaths.

Type I (Isophthalic): Superior chemical resistance for medium-aggressive acidic/basic manufacturing areas.

Type V (Vinyl Ester): Maximum chemical immunity for chlor-alkali, pickling plants, and offshore platforms.

Category 04

FRP Industrial Scrubbers & Gas Cleaning Towers

Turnkey environmental composite equipment for toxic gas neutralization, acidic vapor removal, odor control, and particulate absorption. Fabricated from premium vinyl ester resins with internal structured or random packing media.

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Tower Types: Packed Bed Wet Scrubbers, Venturi Scrubbers, Multi-Stage Chemical Scrubbers, Odor Control Units.
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Gas Capacities: From 500 m³/hr to 80,000 m³/hr modular systems.
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Internal Components: PP/PVDF spray nozzles, mist eliminator chevron blades, Pall rings, Tellerettes, liquid distributors.
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Target Fumes: Hydrochloric acid (HCl), Chlorine (Cl2), Ammonia (NH3), SO2, H2S, and NOx gases.
FRP Wet Scrubbers Wet Gas Scrubbing Systems

Key Process Efficiency:

Removal Efficiency: Up to 99.5% pollutant capture when designed with appropriate liquid-to-gas ratio and residence time.

Turnkey Auxiliary Equipment: Recirculation pumps, pH monitoring dosing systems, exhaust fans, and stack chimneys.

Category 05

FRP Cable Trays, Structural Profiles & Handrails

Non-sparking, non-magnetic, and non-conductive composite structural systems for chemical refineries, offshore rigs, and utility substations. Includes pultruded I-beams, C-channels, angles, tubes, and complete ladder/perforated cable containment.

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Cable Tray Configurations: Ladder type (rung spacing 150/300mm), Perforated trough, Solid bottom with snap-on covers.
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Pultruded Shapes: Equal angles, C-channels, Square tubes, Round tubes, I-beams, and Flat bars.
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Safety Handrails: Modular 50mm square and round handrail kits with toe-boards (kick-plates) conforming to OSHA.
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Substation Safety: 100% electrically non-conductive, protecting maintenance crews from induction shocks.
FRP Structural Profiles & Cable Trays Cable Trays & Supports

Cable Tray Dimensions:

  • Widths: 50mm to 1000mm
  • Side Heights: 50mm, 75mm, 100mm, 150mm
  • Standard Length: 3.0 Metres per section
  • Standards: NEMA VE1 • IEC 61537
Material Science Guide

Resin Selection & Chemical Compatibility Matrix

Selecting the appropriate resin matrix is critical to equipment longevity. Every quotation is verified against temperature, concentration, and process fluid dynamics.

Chemical Media Concentration Max Temp Isophthalic Polyester Vinyl Ester Resin Dual Laminate (PVDF/PP)
Hydrochloric Acid (HCl) Up to 37% 80°C Limited (< 20%) ✓ Recommended ✓ Premium Longevity
Sulfuric Acid (H2SO4) Up to 70% 90°C Up to 50% max ✓ Recommended ✓ Recommended
Sodium Hydroxide (NaOH) Up to 50% 85°C ✗ Not Recommended ✓ Recommended ✓ Recommended (PP/PVDF)
Sodium Hypochlorite (NaOCl) 15% Active Cl2 60°C ✗ Not Recommended ✓ Special VE Resin ✓ Highly Recommended (PVDF)
Nitric Acid (HNO3) Up to 30% 50°C ✗ Not Recommended Limited (< 20%) ✓ Recommended (PVDF)
Seawater & Brine All Concentrations 95°C ✓ Recommended ✓ Recommended ✓ Overkill for Water

* Note: Specific resin brands (Derakane™, Hetron™, etc.) and post-cure temperature cycles are tailored to your process sheet. Contact our technical team for custom media reviews.

Engineering Datasheet

Mechanical & Physical Specifications

Continuous filament-wound composites demonstrate superior tensile strength parallel to filament direction, with outstanding modulus of elasticity and impact endurance.

Quality Assurance Standard

Full Factory Hydro-Testing

Every pressure vessel and process piping spool is inspected with hydrostatic pressure, acoustic emission check, and Barcol hardness test prior to dispatch.

Property Description Test Standard Filament Wound FRP Hand Layup / Contact Mold
Tensile Strength (Hoop) ASTM D638 250 - 350 MPa 85 - 120 MPa
Flexural Strength ASTM D790 220 - 280 MPa 140 - 180 MPa
Compressive Strength ASTM D695 180 - 220 MPa 120 - 160 MPa
Barcol Hardness (934-1) ASTM D2583 38 - 45 35 - 42
Glass Content (% by weight) ASTM D2584 65% - 75% 35% - 45%
Specific Gravity ASTM D792 1.75 - 1.95 g/cm³ 1.45 - 1.65 g/cm³
Technical RFP & RFQ

Request FRP Proposal

Share your operational specifications, chemical media data, dimensional parameters, or technical drawings for a detailed engineering and pricing review.

info@akviras.com
+91 92747 98469
www.akviras.com
Akvira Advanced Systems (OPC) Private Limited
Vadodara, Gujarat, India • Worldwide Logistics