Design and installation guide
SKUM NFF-332: 3×3 AR-SFFF and hardware within FM scope
SKUM NFF-332 is an alcohol-resistant synthetic fluorine-free concentrate used at 3% for hydrocarbons and compatible polar solvents. Selection follows its own fuel and hardware scope rather than similarity to another NFF with the same concentration.
Özkartay assesses the model alongside proportioning and discharge devices for suitable fixed systems or site applications. FM combinations, water source, flow conditions and documented environmental properties are separate checks.
01
How does the foam form and provide protection?
Concentrate chemistry, proportioning with water and application method together determine foam behaviour.
Blanket and cooling
Correctly proportioned solution forms foam through suitable hardware. The blanket helps limit vapour release, with water contributing cooling. System design establishes effective delivery to the protected surface.
AR behaviour on polar solvents
A protective layer limits interaction between foam and compatible polar fuel. Actual fuel and application follow performance evidence. Solvent blends require assessment of composition.
Flow and proportioning
Viscosity and operating temperature affect concentrate delivery to the proportioner. Suction lines, pumps and flow range are selected for accurate concentration. Non-fluorinated designation does not establish identical behaviour in legacy proportioners.
02
Selection, hardware and product condition
Combustible material, product documentation and installed hardware are assessed together for appropriate selection.
Fuel and concentration
- 3×3 and water scope
- Nominal concentration is 3% on hydrocarbons and compatible polar solvents. The manufacturer addresses fresh, brackish and salt water. Actual fuel, water and discharge method are matched to documented conditions.
- FM 5130 and EN scope
- The current sheet identifies FM 5130 and EN 1568:2018 Parts 1, 3 and 4. FM approval depends on listed hardware combinations. Another sprinkler with the same K-factor or a different proportioner is not automatically covered.
Proportioning and discharge equipment
- Approved hardware schedule
- Sprinklers, foam nozzles, pourers, handlines and proportioners are selected using the model and orientation conditions. FM Approval Guide scope is checked against project equipment. The schedule does not approve every similar device.
- Legacy agent and line cleaning
- Cleaning, analysis and necessary replacement are defined for legacy fluorinated-agent tanks and piping. Tank materials and proportioners are reviewed. Concentration and functional checks are verified with the new agent before return to service.
Storage, documentation and environment
- Storage and condition monitoring
- Manufacturer storage/operating range is 2–49 °C. Suitable packaging or system tanks are used, monitoring temperature cycling, dilution and contamination. Other types or manufacturers are not mixed. Sampling forms part of maintenance.
- Model environmental documentation
- The manufacturer identifies no intentionally added PFAS, GreenScreen Silver and inherent biodegradability following OECD 301F. This scope belongs to the product. Producer facility certification is not presented as installer certification; SDS and wastewater management are separately assessed.
03
Applications and selection approach
The actual fuel, site conditions and validated scope of the selected model govern the following applications.
Foam-water sprinkler systems
- Application need
- Agent and sprinkler models are validated together.
- Selection approach
- Orientation, models and proportioner combinations within FM scope are selected.
Hydrocarbon and solvent facilities
- Application need
- Actual fuel scope matters for multiple-liquid hazards.
- Selection approach
- The 3% setting, water source and fuel-specific method follow technical evidence.
NFF conversion projects
- Application need
- Legacy residues and hardware may remain.
- Selection approach
- Compatibility, cleaning, any replacement and site acceptance are planned together.
04
Checks considered together for this product
Scroll the table horizontally to view every column.
| Item | Product approach | Verification |
|---|---|---|
| Fuel / concentration | Compatible hydrocarbons and polar solvents: 3%. | Actual fuel and application. |
| FM combination | Model arrangement within FM 5130 scope. | Approval Guide and device model. |
| Storage | 2–49 °C. | Tanks/packaging, contamination and sampling. |
| Environment | GreenScreen Silver; inherent biodegradability. | Product SDS and collection plan. |
A family description does not certify identical performance across manufacturers. Model values and approved application conditions are matched to current product data and the relevant documentation.
Share the combustible material, water supply and existing equipment so we can assess a suitable concentrate and application arrangement together.