Key Features
- Available types: Butterfly, Gate, Check, Ball Valves
- Manual gear-operated or automatic actuated mechanisms
- FRP body with compatible elastomeric seats (EPDM, Viton, etc.)
- GRP Y-strainers and basket strainers with replaceable internal screens
- ISO 5211 mounting flanges for actuators
- Non-metallic internals for full corrosion protection
- Lightweight construction for easy handling and support integration
Benefits
- Eliminates corrosion and leakage in aggressive service conditions
- Reliable shut-off and flow regulation for critical processes
- Reduces maintenance costs and downtime
- Smooth internal bore minimizes flow resistance
- Long service life in seawater and chemical environments
- Light weight simplifies installation and alignment
Applications
- Desalination and water treatment plants
- Seawater intake and brine disposal systems
- Chemical and petrochemical process lines
- Firewater and cooling water networks
- Offshore oil and gas platforms
- Wastewater and effluent management systems
Technical Specifications
- Valve Sizes: 50mm to 1000mm (customizable)
- Pressure Rating: Up to 16 bar
- Operating Temperature: Up to 110°C
- Material Options: Isophthalic, Vinyl Ester, Bisphenol-A resins
- Strainer Types: Y-type and basket strainers with FRP housing
- End Connections: Flanged (ANSI/DIN/BS), wafer-type options
- Standards: ISO 5752, ISO 5211, ASTM D5421, EN 14339
Unique Selling Points (USPs)
- 100% corrosion-resistant construction for long-term service in harsh conditions
- Compatible with both manual and fully automated control systems
- Non-metallic wetted components ideal for chemically sensitive processes
- Pre-engineered to match GRP/GRE pipelines and hydraulic requirements
- Factory-tested for pressure, vacuum, and operational safety
- Ideal alternative to lined steel or alloy valves in corrosive environments
- 1. Gear-Operated
- 2. Automatic Actuators
Gear-Operated
Gear-operated GRP (Glass Reinforced Plastic) valves and strainers use an FRP housing with manual gearboxes to control and protect fluid flow in corrosive environments. These composite valves combine a fiber-reinforced plastic body with rugged manual gear-actuators for high-torque operation. The FRP material provides exceptional corrosion resistance and a high strength-to-weight ratio, making these valves ideal for aggressive media (chemicals, seawater, wastewater) and heavy-duty pipeline use. Gear-operated strainers incorporate similar FRP construction to trap debris while withstanding harsh conditions. Designed for safe, easy manual operation, these products meet international standards (ASME/ISO) and are compatible with common pipe fittings.
Key Features
- FRP (Vinyl Ester/Polyester) construction for high corrosion resistance – no rust or metal degradation in aggressive media.
- Manual gear actuator (worm-gear handwheel) for easy operation of large valves, with self-locking safety.
- Lightweight design – significantly lower weight than metal valves, easing installation and handling.
- Leak-tight sealing – multi-layer FRP shaft and advanced gaskets ensure bi-directional tightness and minimal internal leakage.
- Abrasion-resistant internals (solid FRP disc or screen) for long life when filtering slurry or particulate-laden flows.
- Standards compliance – interfaces (e.g. ASME/ISO flanges, ISO 5211 mounting) allow integration with typical piping systems and actuators.
Benefits
- Corrosion immunity: Unlike metal valves, GRP valves do not corrode or pit, cutting maintenance and replacement costs.
- Low maintenance: FRP dampers and valves “require far less maintenance, are more durable, and outperform conventional” steel designs. There’s no painting or anti-corrosion coating needed.
- Cost-effective: FRP construction provides a cost advantage over exotic alloys (such as duplex stainless) while meeting the same performance requirements. Typical savings can be on the order of 50% of the equivalent metal equipment.
- High reliability: Composite strength and low wear (up to 50% lower torque requirement than some metal designs) lead to long service life and stable operation.
- Safety: Non-conductive FRP material is inherently spark-free and non-magnetic. Gear-operated design includes built-in mechanical stops and position indicators.
Applications
- Water and Wastewater: Potable water, raw water intake, desalination plants, and sewage systems (GRP piping is proven in cross-country water lines, industrial effluents, and cooling water applications).
- Chemical and Process Industries: Handling acids, alkalis, solvents, and slurries in chemical plants, mining, pulp & paper, and power generation. Ideal for sea-water cooling circuits, filter feed lines, and hazardous fluids.
- Industrial Utilities: Cooling tower circulation, boiler feed, gas scrubbers, and process instrumentation lines in refineries, power plants, and petrochemical facilities.
- Marine and Coastal: Due to saltwater resistance, these GRP valves are suited for shipboard systems, desalination intakes, and offshore platforms.
- Infrastructure: Municipal pumping stations, irrigation, and stormwater systems where lightweight, corrosion-proof valves extend asset life.
Technical Specifications
- Sizes: Commonly DN50 to DN1200 (2″–48″) or larger, covering a broad flow range.
- Pressure Rating: Often up to 10–15 kg/cm² (150–225 psi) in GRP; higher ratings (up to 30 kg/cm²) possible with design modifications.
- Materials: Body and internals in glass-fiber reinforced polyester or vinyl ester; seals in EPDM/FPM/Viton or other elastomers.
- Standards: Designed per ASME RTP-1 (GRP piping standard) and ISO 9001 quality norms. Gearboxes typically feature IP67-rated housings for outdoor use.
- End Connections: FRP flanges or ANSI/ISO metal flanges; bolt patterns per ANSI B16.5/EN1092. Strainers may use drilled/screen internals per customer specs.
Unique Selling Points (USPs)
- Integrated FRP System: Both valve and strainer bodies are filament-wound from continuous glass fiber and resin, yielding homogenous corrosion barriers.
- Modular Design: Service-friendly construction (e.g. unscrewing discs from gaskets) allows onsite maintenance with minimal tools.
- Proven Performance: Used in mission-critical systems worldwide (e.g. seawater intake in power plants) – “Fiberglass pipes and fittings have been extensively used…for potable water distribution, water transmission and other conveyance.
- Local Expertise: (If relevant) Indian-manufactured with support for installation and custom sizing – designed to outperform imported alternatives in cost and lead time.
- Eco-Friendly: GRP is chemically inert, ensuring that no contamination leaches into the media. It also requires less energy to produce and transport due to lower weight.
Automatic Actuator GRP Valves and Strainers
These are GRP/FRP valves and strainers equipped with electric or pneumatic actuators for automated flow control. The FRP valve body (usually a butterfly or ball valve in GRP) is mated to a premium actuator assembly, enabling remote or programmatic operation. Such actuators may include built-in control modules or position feedback sensors, integrating seamlessly into SCADA systems. The composite valve and actuator package retains all the corrosion resistance and lightweight advantages of GRP, while offering precision and convenience of automation. This makes them well-suited to modern process plants where safety and efficiency require valves to be operated without manual intervention.
Key Features
- FRP Valve Body: Same glass-fiber reinforced composite housing and disc as gear-operated versions – non-metallic wetted parts ensure inertness and longevity.
- Electric/Pneumatic Actuator: Choice of motorized or air-powered actuators sized for the valve torque. Often includes worm-gear or rack-and-pinion drives, multi-turn or quarter-turn types.
- Position Feedback: Many models offer integrated position indicators or potentiometers (e.g. limit-switches or digital sensors) for precise monitoring of valve opening.
- Fail-Safe Options: Spring-return or “fail-closed” configurations available for safety (actuator springs close or open valve on power loss).
- Control Interface: Standard interfaces (e.g. 4-20mA, Modbus, Profibus) can be provided; enclosures rated for hazardous areas (ATEX/IECEx) if required.
- Mounting Standard: ISO 5211 compliant actuator/valve flange ensures easy interchange or upgrade of actuators without custom adaptors.
Benefits
- Remote/Automated Control: Eliminates need for manual operation, enhancing safety and efficiency in large plants. Valves can be integrated into distributed control systems for precise flow management.
- Reduced Downtime: Automated operation allows faster response to process changes and automated shutdowns; consistent torque application avoids over-tightening that can occur with manual operation.
- High Torque Capability: Actuators can deliver much higher torque than hand-gear, enabling reliable operation of very large valve sizes or high-pressure differentials.
- Uniform Performance: Actuators provide consistent, repeatable opening/closing, improving flow control accuracy and reducing wear on seats and seals.
- Adaptable Installation: Modular actuator kits fit GRP valves without compromising the FRP wetted path. Electric actuators can be flanged directly to the valve body, pneumatic actuators offer fast operation, and hydraulic actuators are available for extreme-torque needs.
Applications
- Automated Water Distribution: Pump station control, reservoir isolation, desalination plant lines (where remote valves optimize network management).
- Process Plants and Utilities: Chemical dosing, bleeder valves, drain and vent lines in refineries, petrochemical, pulp & paper and pharmaceutical plants – anywhere valve sequences are automated.
- HVAC and Power: Coolant flow control in power plants, ventilation dampers, boiler blowdown valves – automation ensures system stability.
- Hazardous/Remote Locations: Offshore platforms, underground mines or hostile environments (explosion-proof actuators safe in flammable gases).
- Emergency Systems: Firewater or safety systems where rapid valve actuation by electric signal or pneumatic impulse is critical.
Technical Specifications
- Valve/Actuator Coupling: ISO 5211 top flange, common sizes (F03–F25). Adapters available for specialty actuators.
- Actuator Ratings: Typical electric actuators (1-phase or 3-phase) with torques from 50 to 10,000 Nm; pneumatic actuators for ~10–1000 psi air with appropriate torque.
- Power/Signal Requirements: Electric actuators 110–480 VAC or 24 VDC; pneumatic actuators 4–6 bar air supply. Integrated controls often meet IP67 or NEMA4X for outdoor use.
- Ambient Conditions: Many actuators are rated for –20°C to +60°C (special versions available for extreme climates). FRP valves typically handle fluid temperatures up to ~60–80°C, higher with vinyl ester resin.
- Certifications: Options include SIL, CE, ATEX. Documentation can cover ISO 9001/9002 manufacturing, material test reports, and client-specific standards.
Unique Selling Points (USPs)
- Fully Integrated System: GRP valve bodies factory-mounted with high-quality actuators (electric or pneumatic), eliminating compatibility issues.
- Enhanced Safety: Automatic shutoff in emergencies (fail-safe spring return) plus non-sparking FRP bodies reduce risk in flammable service.
- Precision Control: Exact valve position feedback and smooth hydraulic-free actuation minimize shock and torque overshoot, protecting pipeline integrity.
- Energy Efficient: The inherent low torque of FRP valves means smaller, less-powerful actuators can be used compared to metal valves – saving energy over the life of the system.
- Broad Availability: Standardized options and local support ensure fast delivery and commissioning – a competitive edge over hand-made metal valve solutions.