Firefighting Group Foam Systems. 1. Foam Pourer 2. Foam Makers 3. High Back Pressure 4. Bladder Tanks 5. Foam Porportioner 6.

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Lee Quinn
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2 Firefighting Group Foam Systems 1. Foam Pourer 2. Foam Makers 3. High Back Pressure 4. Bladder Tanks 5. Foam Porportioner 6. Foam Monitor

comprises two elements the Rim Seal Foam Generator (RFG) which produces expanded foam when supplied with foam solution and the Rim seal foam pourer (RFP) which delivers the foam gently into the

3 Rim Seal Foam Pourer Model No Operating Pressure 4 to 10 bar Flow Rate 60 to 220 Lit/min Easy Maintenance GPE Rim seal Foam Pourers are used for the protection of vertical open top floating roof (OTFR) storage tanks and comprises two elements the Rim Seal Foam Generator (RFG) which produces expanded foam when supplied with foam solution and the Rim seal foam pourer (RFP) which delivers the foam gently into the rimseal area. Available in two basic body sizes, with capacities ranging from 54 liters/ minute at 4 bar to 220 liters/minute at 10 bar, each unit is factory-calibrated to deliver a specified flow at a given pressure upon customer design. Features and Benefits: The RFP is a low-profile unit which protects the foam from high winds and guides it gently on to the tank wall. The front shield allows fully developed foam to emerge in a cohesive blanket that flows intact onto the inside wall of the tank. The stainless steel mesh at the foam exit helps to prevent blockage from insects and nesting birds. For new tanks, the new models can make the most costeffective use of foam concentrate and water resources by producing the designed foam solution application rate. For retrofit onto existing tanks during refurbishment, The GPE RFG models can replace existing units without the need for expensive modification. Accurate GPE-calibration ensures full compatibility with existing foam concentrate induction systems. To further simplify installation, a fixing kit is now supplied as an optional extra which facilitates installation to the tank whilst still in use and without the need for hot work. GPE Rim Seal Foam Pourer is suitable for use with low expansion foam concentrates. 78

Top Pourer Foam Maker (TPF) (Foam Chamber) Model No. 6020 Operating Pressure 2.

4 Top Pourer Foam Maker (TPF) (Foam Chamber) Model No Operating Pressure 2.5 to 10 bar For Fixed Roof Storage Tank Easy Maintenance The GPE Top Pourer Foam Maker(TPF) is designed for use in foam systems for the protection of flammable liquid storage tanks and combine foam generation, vapor sealing and foam pouring in a robust, low-maintenance integral unit. Features and Benefits: There are four basic body sizes with capacities ranging from 75 to 3,300 liters/min. at inlet pressures between 3 and 10 bar g. Each unit is factory calibrated to perform at a fixed flow and pressure point within the limits shown over its name plate. Then the system is therefore able to make the most cost effective use of available water and foam concentrate resources. The discharge characteristics of the TPF are enhanced by the deflector plate fitted to the outlet which disperses the finished foam against the tank interior shell. This ensures a rapid spread across the surface of the tank content, whilst lowering the application velocity to reduce contamination of the foam by the tank content. TPF units are fitted with a unique bursting disc fabricated from impregnated graphite to seal the tank and prevent vapor loss. Graphite is used to ensure that the disc will burst when subjected to the pressure of foam entering the top chamber but will not burst during normal tank operations such as filling and discharging. The use of graphite enables the bursting pressure to be held within tolerances of ± 0.05 bar (± 0.75 Psi). 79

Top Pourer Foam Maker (TPFM) (Foam Chamber) Model No. 6025 Operating Pressure 2.

5 Top Pourer Foam Maker (TPFM) (Foam Chamber) Model No Operating Pressure 2.5 to 10 bar For Fixed Roof Storage Tank Easy Maintenance The GPE Top Pourer Foam Maker (TPFM) is designed for use in foam systems for the protection of flammable liquid storage tanks and combine foam generation, vapor sealing and foam pouring in a robust, low-maintenance integral unit. Features and Benefits: There are four basic body sizes with capacities ranging from 75 to 3,300 liters/min. at inlet pressures between 3 and 10 bar g. Each unit is factory calibrated to perform at a fixed flow and pressure point within the limits shown over its name plate. Then the system is therefore able to make the most cost effective use of available water and foam concentrate resources. The discharge characteristics of the TPF are enhanced by the deflector plate fitted to the outlet which disperses the finished foam against the tank interior shell. This ensures a rapid spread across the surface of the tank content, whilst lowering the application velocity to reduce contamination of the foam by the tank content. TPF units are fitted with a unique bursting disc fabricated from impregnated graphite to seal the tank and prevent vapor loss. Graphite is used to ensure that the disc will burst when subjected to the pressure of foam entering the top chamber but will not burst during normal tank operations such as filling and discharging. The use of graphite enables the bursting pressure to be held within tolerances of ± 0.05 bar (± 0.75 Psi). 80

Top Pourer Foam Maker (Internal Floating Roof) (TPI) Model No. 6030 Operating Pressure 2.

6 Top Pourer Foam Maker (Internal Floating Roof) (TPI) Model No Operating Pressure 2.5 to 10 bar For Internal Floating Roof Storage Tank Easy Maintenance The GPE Top Pourer Foam Maker for internal floating roof tanks(tpi) is designed for use in foam systems for the protection of flammable liquid storage tanks and combine foam generation, vapor sealing and foam pouring in a robust, lowmaintenance integral unit. Features and Benefits: There are two basic body sizes with capacities ranging from 75 to 3,300 liters/min. at inlet pressures between 3 and 10 bar g. Each unit is factory calibrated to perform at a fixed flow and pressure point within the limits shown over its name plate. The system designer is therefore able to make the most cost effective use of available water and foam concentrate resources. The discharge characteristics of the TPI are enhanced by the deflector plate fitted to the outlet which disperses the finished foam against the tank interior shell. This ensures a rapid spread across the surface of the tank content, whilst lowering the application velocity to reduce contamination of the foam by the tank content. TPI units are fitted with a unique bursting disc fabricated from impregnated graphite to seal the tank and prevent vapor loss. Graphite is used to ensure that the disc will burst when subjected to the pressure of foam entering the top chamber but will not burst during normal tank operations such as filling and discharging. The use of graphite enables the bursting pressure to be held within tolerances of ± 0.05 bar (± 0.75 Psi). 81

Foam High Back Pressure Model No. 6080 Designed to operate with total back pressure as high as %40 of inlet pressure Standard Inlet & Outlet ANSI 150 R.

This unique foam maker is typically located outside the dike area surrounding the storage tank. Expanded foam is injected through a dedicated foam line or into a product line to the storage tank.

7 Foam High Back Pressure Model No Designed to operate with total back pressure as high as %40 of inlet pressure Standard Inlet & Outlet ANSI 150 R.F Flanges PERSIAN GPE High Back-Pressure Foam Makers (HBPFM) is designed to generate expanded foam for the purpose of subsurface injection into a cone-roof liquid hydrocarbon storage tank. This unique foam maker is typically located outside the dike area surrounding the storage tank. Expanded foam is injected through a dedicated foam line or into a product line to the storage tank. The high back-pressure foam maker is capable of generating expanded foam within the optimum expansion ratio range of 2:1 to 4:1 for subsurface injection. The foam maker can discharge against a back pressure as high as 40% of the operating inlet pressure. A minimum foam maker inlet pressure of 100 psi (6.9 bar) is typically required for satisfactory operation. High back-pressure foam makers can be used with various types of proportioning equipment including bladder tanks, balanced pressure pump proportioning systems, in-line balanced pressure proportioning systems, and foam trucks. (Line proportioning systems are usually unacceptable due to the relatively high pressure loss across the line proportioner except in instances where back pressure to the foam maker is low and available water pressure to the line proportioner is relatively high.) 82

The controller body is clearly marked with a flow direction arrow and label to identify the type of foam concentrate and injection percentage ratio.

8 Foam Branch Pipe (Low Expansion) Foam Branch Pipe (Low Expansion) Model No Long Throw Self-Inducing Model Various Flow Rate Model Available Design for all new technology foam and is added into the water stream. The controller body is clearly marked with a flow direction arrow and label to identify the type of foam concentrate and injection percentage ratio. The series of low expansion foam branch pipe has been designed with long range performance in mind. There are three basic models with nominal foam solution throughputs of 225, 450 and 900 liters/mm at 7 bar. Self- inducing models are available in the 225 and 450 liters/minute versions. All models produce finished foams of nominal expansion 10 : 1 and give foam streams of an exceptional range. To get the best results from these branch pipes we recommend use with either FP70 Plus Fluor protein foam or Alco seal AR- FFFP multi-purpose foam concentrate. Foam concentrate is drawn through a pick up tube at a present foam concentrate amount Materials: Body: Aluminum/ stainless steel 316 Finish: Yellow Epoxy Polyester/ Natural Nozzle: Aluminum /Gunmetal Inlet: L225-2 BS Male L450-2 BS Male L900-2½ BS Male A wide range of international fittings are available as an optional. 83

Horizontal Bladder Tanks Model No. 6500 Capacity 1000 to 10000 Liters The Bladder-Tank System works without any external energy supply.

out of the bladder through axial perforated pipe. On request welding on the body shall be according to the ASME standards.

9 Horizontal Bladder Tanks Model No Capacity 1000 to Liters The Bladder-Tank System works without any external energy supply. The concentrated foams stored in a rubber bag, which is placed inside the tank, and because of water which come from the main water line under pressure, the bladder in flutes and expanded is pushed out of the bladder through axial perforated pipe. On request welding on the body shall be according to the ASME standards. Concentrate from a pipe, and downstream after the Proportioner the premix has the right mixing rate. The bladder tank is equipped with vent valves, water and concentrate drain/ fill valves, vessel support mounts, discharge pipe and a safety valve to protect it from overpressure. The center discharge piping, located within the bladder, insures that the foam concentrate flows to the upper discharge. During operation, water supplied from the system fills the area outside of the bladder, gradually displacing the foam concentrate inside the bladder causing the bladder to collapse until the supply is exhausted. The bladder discharges foam concentrate for the remotely mounted ratio controller at approximately the same pressure as the water supply. Since the bladder tank system is pressurized during operation, the bladder can be refilled with concentrate only when system is not in use. 84

Vertical Bladder Tanks Model No. 6510 Capacity 200 to 10000 Liters The Bladder-Tank System works without any external energy supply.

10 Vertical Bladder Tanks Model No Capacity 200 to Liters The Bladder-Tank System works without any external energy supply. The concentrated foams stored in a rubber bag, which is placed inside the tank, and because of water which come from the main water line under pressure, the bladder in flutes and expanded is pushed out of the bladder through axial perforated pipe. On request welding on the body shall be according to the ASME standards. Concentrate from a pipe, and downstream after the Proportioner the premix has the right mixing rate. The bladder tank is equipped with vent valves, water and concentrate drain/fill valves, vessel support mounts, discharge pipe and a safety valve to protect it from overpressure. The center discharge piping, located within the bladder, insures that the foam concentrate flows to the upper discharge. During operation, water supplied from the system fills the area outside of the bladder, gradually displacing the foam concentrate inside the bladder causing the bladder to collapse until the supply is exhausted. The bladder discharges foam concentrate for the remotely mounted ratio controller at approximately the same pressure as the water supply. Since the bladder tank system is pressurized during operation, the bladder can be refilled with concentrate only when system is not in use. 85

pressures with minimal pressure loss. These devices are used in conjunction with either a bladder tank or a foam pump proportioning system.

11 Foam Porportioner System Model No Sizes 3in through 10in Wide Range of Materials The Proportioner is a device designed to meter the correct amount of foam concentrate into the water stream over a wide range of flows and pressures with minimal pressure loss. These devices are used in conjunction with either a bladder tank or a foam pump proportioning system. Typical applications include flammable liquid storage tanks, loading racks, aircraft hangars, and heliports or anywhere flammable liquids are used, stored, processed or transported. The operating principle of the controller is based upon the use of a modified venturi. As water passes through the inlet nozzle, pressure is reduced in the annular area of the nozzle. This reduction allows the metering of foam concentrate into the water stream through a foam concentrate-metering orifice. Specifications: The 8, 6, 4, 3 and 10 ratio flow controllers are between the flanges units designed to fit between two ANSI 150 lb pipe flanges. The inlet nozzle is secured by two stainless steel set screws. This allows the nozzle to be removed from the controller for cleaning and/ or repair. Metering orifices are sized appropriately for each specified type and percentage foam concentrate. A stainless steel retaining ring secures the metering orifice in place. The controller body is clearly marked with a flow direction arrow and label to identify the type of foam concentrate and injection percentage ratio. 86

Foam Monitor Model No. 6700 The s Handle Yoke Monitor comes with both a left/right and an up/down lock handle. To disengage lock(s), turn handle(s) counterclockwise.

12 Foam Monitor Model No The s Handle Yoke Monitor comes with both a left/right and an up/down lock handle. To disengage lock(s), turn handle(s) counterclockwise. Move the tiller handle to direct the stream to the desired position. Turn lock handle(s) clockwise to engage lock. Features and Benefits: Rugged, corrosion resistant brass construction; unique configuration flows up to 1250 gpm; compact 3 or 4 150# ANSI flange; vertical movement 90 degrees above horizontal to 45 degrees below; full, continuous 360 degree rotation; rugged, stainless steel lock hardware; grease fittings for easy lubrication; durable Electro Statics finish. 87

Foam Systems Engineering Design Manual

Foam Systems Engineering Design Manual CONTENTS Foam Systems Engineering Design Manual Haardous Chemical & Product Data 1 Foam Concentrate Induction Systems 2 Protection of Fuel Storage Tanks 3 Foam Base