描述
High-Expansion Foam Fire Extinguishing System for Vessels
Legal Basis: Regulations on the Administration of Seafarer Training of the People's Republic of China (Order No. 5 of the Ministry of Transport, 2019)
Product Category: Basic Safety Training Lab (Z01)
Product Name: High-Expansion Foam Fire Extinguishing System for Vessels
Functional Requirements: Capable of supporting operational training for entering and traversing foam-filled compartments without wearing breathing apparatus.
Specified quantity: 1 set
1.1 Main Content
This agreement specifies the technical performance, quality assurance provisions, and technical delivery status for marine firefighting equipment: pressure-type foam proportioning devices, adjustable firefighting air foam monitors, and foam guns.
1.2 This agreement serves as the technical basis for the purchase contract and is attached as an appendix thereto.
- Technical Requirements
This apparatus shall comply with the “CCS” 2009 Edition Steel Sea-Going Vessels Classification and Construction Rules, and shall meet the requirements of the “SOLAS” 2010 Convention and its 2003 amendments, as well as the International Code for Fire Safety Systems.
- Key Performance Indicators
2.1.1 Pressure-Type Foam Proportioning Device
Model: PHYML32
Storage tank capacity: 2000L
Working pressure range: 0.6 MPa to 1.2 MPa
Mix ratio: 3%
Inlet/Outlet Nominal Diameter: DN100
Proportional Mixer Flow Range: 16 L/s to 64 L/s
Proportional Mixer Inlet Pressure: 1.0 MPa
2.1.2 Name: Foam Cannon
Model: PL24
Rated Pressure: 0.5 MPa
Flow rate: 24 L/s = 1140 L/min
Material: Stainless steel
Range: ≥40m
Interface Specification: DN80
Operation method: Manual operation
Horizontal rotation: 360°,
Elevation and Azimuth: ≤-30° to ≥+60°;
Mating flange
2.1.3 Name: Air Foam Gun
Model: PQ8.C
Working pressure range: 0.2–0.5 MPa
Flow rate: 8 L/s at 0.5 MPa
Range: ≥20m
Connection method: DN65 pipe threaded connection
- Scope of Supply:
| Serial Number | Name | Specifications and Models | Unit | Quantity | Note |
| 1 | Pressure-type Proportional Mixing Device | PHYML32 | 套 | 1 | Complete system includes: horizontal storage tank, proportioning mixer, capsules, valves and piping fittings, with mating flanges provided Horizontal foam concentrate storage tank capacity: 2000L Proportioning mixer:Mixing ratio 3%, flow range 16L/s to 64L/s, inlet/outlet diameter: DN100. Material: Copper alloy.Working pressure range: 0.6MPa to 1.2MPa, firefighting inlet pressure: 1.0MPa Tank material: 16MnR, tank surface coated with red anti-corrosion paint Provides CCS ship inspection certificate |
| 2 | Foam Cannon | PL24 | 套 | 5 | Rated Pressure: 0.5 MPa Flow Rate: 24 L/s Range: ≥40 m Inlet Diameter: DN80 |
| 3 | Foam Gun | PQ8.C | 只 | 4 | Rated flow rate: 8 L/s Rated working pressure: 0.5 MPa Spray range: ≥20 m |
- Preparation for delivery
4.1 Packaging:
After completing factory testing, the unit shall be removed from the test bench, cleaned, and dried. Subsequently, all interfaces shall be sealed, and unpainted metal surfaces shall be protected with oil sealant (valid for 12 months).
The packaging of this equipment shall comply with relevant packaging specifications.
4.2 Transportation: Transportation of this unit must be strictly conducted in accordance with the specified transportation requirements.
- Quality Assurance Regulations
5.1 Testing and Acceptance
a The product testing and acceptance shall comply with the standard CB/T3571-93, and a test report shall be issued.
b Documentation included with the product at shipment:
General Arrangement Drawing
User Manual for the Device
Technical documentation for the device
Certificate of Conformity for the Device
Nameplate: Chinese Stainless Steel
c Documentation
d Random file is:
CCS Ship Inspection Certificate (one original and three copies, total of 4 copies) for pressure-type proportioning devices; Copies of CCS certificates for foam monitors and foam nozzles; Product certification (4 copies); Operating manuals (6 copies); As-built drawings (6 sets).
5.2 Warranty period for this set of equipment: One year after delivery.
5.3 During the commissioning period of the shipyard equipment, Party A shall provide one week of complimentary service personnel to complete commissioning and assist the shipyard with delivery.
5.4 Any other matters not covered herein shall be determined through mutual consultation between the parties.
5.5. This Agreement is executed in triplicate, with each party holding one original copy.
Suitable for deck fire suppression on all helicopter platforms, chemical tankers, oil tankers, and bitumen carriers.
1. PHYM Series Stored-Pressure Foam Fire Extinguishing System
Working Principle of Stored-Pressure Foam Tanks:
Activate the fire pump to deliver pressurized water into the tank. When the tank pressure rises to equalize with the main pipeline pressure, the foam liquid within the bladder is forced by the pressurized water into the mixer pipeline. There, it mixes with the pressurized water at a predetermined ratio to form foam mixture, which then flows to the pipeline's end point. The foam mixture is then sprayed onto the protected area via a fire monitor or foam nozzle.
Foam fire extinguishing systems include fixed equipment such as ring pump-type extinguishers, stored-pressure foam extinguishers, and balanced foam extinguishers. The former mixes water and foam concentrate directly within the foam tank and is now less commonly used. The latter two mix water and foam concentrate in proportioning devices and are currently more widely employed on ships.
Internal Working Principle of Foam Tank
Maintenance inspections primarily cover the following points:
1) Testing of foam liquid compliance shall be conducted by specialized manufacturers or third-party entities.
If ineffective, refill with foam solution. The initial inspection of the foam solution shall be conducted three years after the original filling date, followed by annual sampling inspections thereafter.
Note: Clean the bladder before replacing the foam solution.
2) The service life of the bladder is generally 5 years. Upon reaching this service life, a leak test must be conducted to determine whether the bladder requires replacement.
3) Check whether the main control valves operate smoothly and freely.
4) After inspection, restore the system to its original condition.
2. PHP Series Balanced Foam Fire Suppression System
Working Principle of Balanced Foam Systems:
Start the fire pump, then start the foam pump. Firefighting water enters the pipeline. Subsequently, start the foam pump, which draws foam solution from the atmospheric pressure foam tank. The solution mixes with firefighting water at a ratio of 3% or the preset proportion through a balanced proportioning mixer before entering the pipeline's end section. The mixture is then sprayed onto the protected area via a foam monitor or foam nozzle.
The system maintains a stable mixing ratio, making it a preferred choice among high-end customers both domestically and internationally.
Maintenance inspections primarily cover the following points:
1) Foam liquid qualification testing shall be performed by a specialized manufacturer or a third-party entity. If found ineffective, the foam liquid shall be refilled.
The foam concentrate solution shall undergo its first inspection three years after the original filling date, followed by annual random sampling inspections thereafter.
Note: Clean all devices and piping systems before replacing the foam solution.
2) Check whether the foam pump is functioning properly.
Close the foam tank discharge valve and cycle the foam pump.
3) Check whether the main control valves in the foam system operate smoothly and freely.
4) After inspection, restore the system to its original integrity.
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