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.
Immune to aggressive acids, alkalis, salts, and seawater.
Significantly lighter than steel, slashing installation costs.
Minimal maintenance overhead with no painting required.
ASTM E-84 Class 1 / BS 476 flame spread compliance available.
Resists HCl, H2SO4, NaOH
High dielectric breakdown
High strength-to-mass ratio
Zero repainting or recoating
Custom-engineered using premium vinyl esters, isophthalic resins, and automated filament winding systems according to precise client process sheets.
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.
| 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 |
Filament Wound Tanks
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.
| 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 |
Process Piping & Manifolds
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+.
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.
| 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 |
Moulded & Pultruded Walkways
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.
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.
Wet Gas Scrubbing Systems
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.
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.
Cable Trays & Supports
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.
Continuous filament-wound composites demonstrate superior tensile strength parallel to filament direction, with outstanding modulus of elasticity and impact endurance.
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 |
Share your operational specifications, chemical media data, dimensional parameters, or technical drawings for a detailed engineering and pricing review.