Variable Flow Aqua Foam Nozzle Monitor
Adjustable Flow | 500-2000 US GPM (1750-7550 LPM) | Jet & Spray Settings | AFFF/FFFP Compatible
Product Overview
The Kinde Fire Variable Flow Aqua Foam Nozzle Monitor is a premium-grade, manually operated firefighting equipment designed for high-capacity foam-based fire suppression in large-scale industrial, petrochemical, aviation, and marine applications across UAE, Saudi Arabia, Kenya, USA, UK, and India. Engineered with advanced variable flow technology, this monitor provides operator-adjustable foam discharge rates from 500-1000 US GPM (1750-3750 LPM) or 1000-2000 US GPM (3750-7550 LPM) depending on the model, with three preset flow settings (500-750-1000 GPM or 1000-1500-2000 GPM) for tactical firefighting flexibility at operating pressures of 7-13 kg/cm²(g). The adjustable jet and spray settings combined with variable flow control provide unmatched operational versatility with throw distances reaching up to 75 meters in jet mode.
Manufactured with export-quality materials including carbon steel, galvanized carbon steel, or stainless steel 304 options, our variable flow aqua foam monitor is rigorously tested for AFFF (Aqueous Film-Forming Foam) and FFFP (Film-Forming Fluoroprotein) compatibility. The monitor features heavy-duty precision-engineered gear swivel joints (stainless steel 304 or gun metal) for smooth 360-degree horizontal rotation and -45° to +80° vertical movement under high flow conditions, natural rubber washers for chemical-resistant sealing, and variable flow nozzle technology that allows real-time flow adjustment during firefighting operations, making it ideal for airports (ARFF), refineries, tank farms, LNG terminals, and offshore platforms where hazard severity demands adaptive response capabilities.
Technical Specifications & Material Selection
🔧 Customize Material Configuration
4" Waterway | 500-1000 GPM Range | Carbon Steel Base | CS Body | Gear Swivel SS304 | Aluminum Nozzle | 4" Inlet
| Parameter | Specification |
|---|---|
| Model Number | KFP-WM-VAFN-500-1000-CS |
| Waterway Size | 4" (DN 100) |
| Flow Range (Variable) | 500-1000 US GPM (1750-3750 LPM) |
| Flow Settings | 500 / 750 / 1000 US GPM |
| Inlet Connection (Custom) | 4" or 6" Flange as per ANSI B 16.5 150# |
| Outlet Type | Variable Flow Aqua Foam Nozzle - Jet & Spray Settings |
| Monitor Type | Lock Type / Manual Operation / Gear Swivel / Variable Flow Control |
| Working Pressure Range | 7 - 13 kg/cm²(g) |
| Horizontal Throw (Jet Mode at 30°) | 65 Meters @ 7 kg/cm² (1000 GPM) |
| Foam Compatibility | AFFF, FFFP, Protein Foam, Synthetic Foam, AR-AFFF (Alcohol Resistant) |
| Foam Concentrate Ratio | 1%, 3%, 6% (as per foam type) |
| Horizontal Movement | 360° Continuous Rotation (Heavy-Duty Gear Swivel) |
| Vertical Movement | -45° to +80° |
| Base Flange Material | Carbon Steel |
| Water Way Material | Carbon Steel |
| Swivel Joint Material | Gear Swivel Stainless Steel 304 |
| Variable Flow Nozzle Material | Aluminum |
| Handle Material | MS Galvanized |
| Washer Material | Natural Rubber (Foam Compatible) |
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Testing & Quality Parameters
🔬 Testing Standards
- Dimensional Inspection: As per Internal Drawing
- Body Hydrostatic Testing: 25 kg/cm²(g) for 5 minutes
- Leakage Test: Zero leakage tolerance
- Foam Compatibility Test: AFFF/FFFP verified
- Variable Flow Test: All settings verified
- Throw Distance Test: Each flow rate tested
🔧 Flange Standards
- ANSI B 16.5 150# (Primary)
- IS 1538 Flange compatibility
- BS 4504 PN16 (On request)
- DIN 2501 PN16 (On request)
- Custom inlet sizes: 4" / 6"
🎨 Finish & Marking
- Finish: Fire Red Paint / Powder Coating
- Nozzle: Natural metallic finish
- Marking: KFP / Mfg. Year / Serial Number
- Flow settings marked on nozzle
- Galvanized option: Hot-dip galvanizing
- Warranty: 12 months from dispatch date
Testing & Certification Capabilities
Our Variable Flow Aqua Foam Nozzle Monitor is manufactured following industry best practices and can be tested and certified as per project requirements through NABL accredited laboratories:
Third-party test certificates
25 kg/cm² for 5 minutes
All flow settings verified
MTC for all components
Quality Management System
Foam compatibility testing
*We can arrange testing and certification as per IS 8442, NFPA 11 (Foam Systems), NFPA 16 (Deluge Systems), NFPA 403 (Aircraft Rescue), or other international foam standards through NABL accredited laboratories based on project specifications.
Global Export Footprint
Trusted by fire safety professionals across 6 continents
Supplying export-quality firefighting equipment to 26+ countries worldwide
🌍 Middle East & GCC
🌍 Africa
🌏 Asia Pacific
🇪🇺 Europe
🌎 Americas
Key Features & Benefits
Variable Flow Control
- Operator-adjustable flow rates: 500-750-1000 or 1000-1500-2000 GPM
- Real-time flow adjustment during operations
- Tactical flexibility for multiple hazard levels
- Optimizes foam concentrate consumption
High Capacity Performance
- Up to 2000 US GPM (7550 LPM) maximum flow
- Ideal for large-scale industrial hazards
- Airport ARFF (Aircraft Rescue Fire Fighting) ready
- Rapid knockdown capability for major incidents
Foam Versatility
- Compatible with AFFF, FFFP, protein, synthetic foams
- AR-AFFF (Alcohol Resistant) compatibility
- Jet & spray pattern adjustment
- Throw distance up to 75 meters in jet mode
Heavy-Duty Construction
- Reinforced gear swivel for high flow loads
- SS304 or galvanized options for corrosion resistance
- Robust base flange for stability under recoil
- Extended service life in harsh environments
🏆 Why Choose Kinde Fire
- Lightning-Fast Quotations: Comprehensive quotations within 4 business hours via WhatsApp—enabling faster project planning and procurement cycles.
- 24/7 Support: Dedicated export team provides continuous WhatsApp support throughout your project lifecycle, from selection to commissioning.
- Complete Documentation: Material test certificates, hydrostatic test reports, variable flow verification certificates, foam compatibility reports, NABL lab testing, and detailed O&M manuals.
- Flexible Customization: Custom inlet sizing (4"/6"), material combinations, flow setting customization, special finishes, flange standards without excessive lead times.
- Export-Ready Packaging: Heavy-duty wooden crates engineered to survive sea freight, foam nozzle protective caps, detailed marking for customs clearance.
- Competitive Pricing: 20-30% cost savings compared to European/American variable flow foam monitor brands with equivalent specifications and materials.
Frequently Asked Questions (FAQ)
Variable Flow Advantages: Tactical flexibility - adjust flow based on fire severity and foam availability, Multiple hazard coverage from single monitor (small spill to major fire), Foam conservation - use minimum effective flow to preserve concentrate inventory, Operational efficiency - no need to change equipment mid-response, Ideal for airports (NFPA 403), refineries, and tactical operations. Constant Flow Advantages: Simpler operation, consistent foam quality, better for fixed hazard protection, lower cost. Variable flow recommended for: Mobile firefighting units, Airport ARFF systems, Multi-hazard facilities requiring operational flexibility, Facilities with limited foam concentrate storage. Constant flow better for: Fixed tank protection, Dedicated single-hazard applications.
Selection criteria based on hazard analysis: 500-1000 GPM Model (1750-3750 LPM) - Tank diameters up to 40 meters, Loading racks and pump islands, Small to medium aircraft fires, Warehouse and industrial buildings, Water supply capacity 150-250 m³/hr available. 1000-2000 GPM Model (3750-7550 LPM) - Large storage tanks 40-80 meter diameter, Major refineries and petrochemical complexes, Wide-body aircraft and hangar protection, LNG/LPG facilities, Offshore platform firefighting, Water supply capacity 250-500 m³/hr minimum. Calculate application rate: Hazard area (m²) × Required application rate (typically 4-6.5 LPM/m² for Class B) = Flow needed. Add 20% safety margin. For ARFF: NFPA 403 specifies minimum agent discharge rates based on aircraft category.
Yes! Variable Flow Aqua Foam Monitors are fully dual-purpose: Foam Applications (with foam proportioning): Class B fires (flammable liquids), Tank fires, Aircraft fuel fires, Hydrocarbon spill vapor suppression, Petrochemical fires. Water Applications (without foam concentrate): Class A fires (solid combustibles), Cooling operations, Exposure protection, Building fires, General industrial firefighting. The variable flow capability provides exceptional flexibility: Use water at high flow (1000-2000 GPM) for rapid cooling and knockdown, Switch to foam at lower flow (500-750 GPM) for vapor suppression and Class B fires, Conserve water/foam by matching flow to actual need. Material compatibility: Aluminum or SS304 nozzle handles both applications, natural rubber washers compatible with water and foam solutions.
Monthly inspection: Visual check for corrosion, Verify flow adjustment mechanism operates smoothly, Check gear swivel for binding, Inspect seals and washers. Quarterly maintenance: Flush with fresh water (15 minutes continuous flow), Lubricate gear swivel mechanism, Test all three flow settings, Check mounting bolts for tightness. Annual service: Full hydrostatic testing with foam solution, Variable flow verification at all settings (500-750-1000 or 1000-1500-2000 GPM), Foam expansion ratio testing, Throw distance verification, Disassemble and inspect flow control mechanism, Replace natural rubber washers if degradation evident, Paint/coating inspection and touch-up. After each foam use: Immediate fresh water flush minimum 10 minutes, Disassemble and clean all foam passages, Inspect for foam residue buildup in variable flow mechanism, Lubricate moving parts. Critical: Variable flow mechanisms require more maintenance than constant flow due to additional mechanical components.
Yes! Our Variable Flow Aqua Foam Monitor is highly suitable for airport ARFF applications per NFPA 403 and ICAO requirements: High Flow Capacity: 1000-2000 GPM model meets requirements for Category 6-10 aircraft (wide-body), 500-1000 GPM suitable for Category 1-5 aircraft (narrow-body regional). Variable Flow Tactical Advantage: Initial attack at high flow (2000 GPM) for rapid knockdown, Reduce to medium flow (1500 GPM) for sustained application after control, Low flow (1000 GPM) for hot spot suppression conserving foam. AFFF Compatibility: Fully compatible with 3% or 6% AFFF per MIL-F-24385, Suitable for film-forming foam per ICAO Annex 14. Jet & Spray Capability: Jet mode for reach to fuselage and over-wing fires, Spray mode for undercarriage and ground fuel fires. We supply to multiple airports worldwide for ARFF vehicle mounting, fixed installations around fuel farms, hangar foam protection systems. Stainless steel construction recommended for airports due to AFFF corrosivity and outdoor exposure.
What is a Variable Flow Aqua Foam Nozzle Monitor?
A variable flow aqua foam nozzle monitor is an advanced firefighting device that combines adjustable flow rate control (typically with 3 preset flow settings) with foam application capabilities for high-capacity fire suppression in industrial, aviation, and petrochemical environments. Unlike constant flow monitors that maintain fixed discharge rates, variable flow technology allows operators to adjust foam discharge from 500-1000 US GPM (1750-3750 LPM) or 1000-2000 US GPM (3750-7550 LPM) in real-time during firefighting operations, providing tactical flexibility to match agent application to fire severity and foam availability. This capability is critical for airport ARFF (Aircraft Rescue Fire Fighting) operations where initial attack requires maximum flow (2000 GPM) for rapid knockdown, followed by reduced flow (1000-1500 GPM) for sustained fire control while conserving foam concentrate. The "aqua foam" designation indicates compatibility with water-based foam concentrates including AFFF, FFFP, protein foam, and AR-AFFF (alcohol-resistant) for Class B flammable liquid fire protection.
Variable Flow Foam Monitor Manufacturer in India for Export
Kinde Fire is an ISO 9001:2015 certified manufacturer of variable flow aqua foam monitors in India, specializing in high-capacity export-quality foam fire suppression equipment for global aviation, petrochemical, oil & gas, and industrial markets including UAE, Saudi Arabia, Qatar, Oman, Kuwait, Kenya, South Africa, Nigeria, USA, UK, Singapore, Australia, and international airports worldwide. Our manufacturing facility in Ahmedabad features advanced variable flow nozzle technology with precision flow regulation mechanisms offering 3-position flow settings (500-750-1000 GPM or 1000-1500-2000 GPM), heavy-duty gear swivel assemblies rated for high-flow recoil forces, and rigorous quality control including hydrostatic testing at 25 kg/cm² for 5 minutes, variable flow verification at all settings, foam compatibility testing with AFFF and FFFP concentrates, and throw distance testing at each flow rate per NFPA 11 and NFPA 403 standards. All variable flow monitors are supplied with complete documentation including material test certificates (MTC), dimensional inspection reports, variable flow performance curves, foam flow testing certificates at all settings, and can be third-party tested through NABL accredited laboratories as per NFPA 11 (Foam Systems), NFPA 16 (Deluge Systems), NFPA 403 (Aircraft Rescue), ICAO Annex 14, or international foam and aviation firefighting standards based on project specifications.
Airport ARFF Applications: Variable Flow Monitors for Aircraft Fire Protection
Variable flow aqua foam monitors are essential equipment for airport ARFF (Aircraft Rescue Fire Fighting) systems per NFPA 403 and ICAO Annex 14: Fixed Monitor Systems - Installed around aircraft parking aprons, fuel loading areas, hangars, and maintenance facilities providing rapid response coverage before ARFF vehicles arrive. Typical installation: 4-6 monitors per apron zone with overlapping coverage, 1000-2000 GPM capacity for wide-body aircraft (Category 6-10), 500-1000 GPM for regional aircraft (Category 1-5). ARFF Vehicle Mounted Monitors - Roof-mounted or bumper turret monitors on crash tenders providing mobile foam application, Variable flow critical for tactical operations (high flow initial attack, reduced flow sustained application), Simultaneous water and foam capability for versatility. Hangar Foam Systems - Ceiling-mounted or wall-mounted monitors for hangar protection per NFPA 409, Variable flow allows graduated response (minor fire vs major fire), Integration with foam-water deluge systems. AFFF Compatibility Requirements - Monitors must be compatible with 3% or 6% AFFF per MIL-F-24385, Stainless steel or aluminum construction (AFFF is corrosive to mild steel), Natural rubber seals foam-compatible. Flow Rate Selection for ARFF - Calculate based on: Aircraft category (ICAO Annex 14), Critical area dimensions, Required discharge rate (typically 8-10 LPM/m² for aircraft fires), Application duration (typically 3-5 minutes for knockdown, 10-15 minutes sustained).
Variable Flow vs Constant Flow: Selecting the Right Foam Monitor Technology
Understanding the operational and economic differences between variable flow and constant flow foam monitors is critical for system design: Variable Flow Technology - Flow Control: Operator-adjustable 3-position settings (low-medium-high flow), Real-time adjustment during operations. Applications: Mobile firefighting units, Airport ARFF vehicles and fixed systems, Multi-hazard facilities (small spills to major fires), Facilities with limited foam concentrate inventory. Advantages: Tactical flexibility matching flow to fire severity, Foam conservation (use minimum effective flow), Single monitor covers multiple hazard sizes, Cost-effective for facilities with varying hazards. Disadvantages: Higher initial cost (20-30% more than constant flow), More complex mechanism requiring additional maintenance, Slightly larger and heavier construction. Constant Flow Technology - Flow Control: Fixed discharge rate at given pressure, No adjustment capability during operation. Applications: Fixed tank protection (dedicated single hazard), Foam-water deluge systems, Budget-conscious installations, Facilities with dedicated monitors per hazard size. Advantages: Simpler operation and maintenance, Lower cost, Consistent foam quality (no operator error in flow selection), Smaller footprint. Disadvantages: Less operational flexibility, May require multiple monitors of different capacities, Cannot adjust for foam availability constraints. Selection Decision Matrix: Choose Variable Flow if: Need tactical operational flexibility, Multiple hazard types/sizes, Airport or mobile applications, Foam concentrate availability limited, Operators trained for advanced systems. Choose Constant Flow if: Single fixed hazard (tank protection), Budget constraints, Prefer simplicity and reliability, Dedicated monitors per hazard, Automated foam-water deluge.