FOAMPAK TECHNICAL DATA BALANCE AND RELIEF …

1 January 7, 2002 Foam 250 a FOAMPAK . A FOAM PUMP/PRESSURE. TECHNICAL data BALANCE AND RELIEF . VALVE/PUMP CONTROLLER. 1. SYSTEM NAME The Viking FOAMPAK is to be used All Piping is Standard Copper or FOAMPAK anywhere a foam system that utilizes Brass. Optional Stainless A foam pump/pressure BALANCE positive pressure proportioning (Viking Steel is available. system complete with RELIEF valve LFF ILBP) is desired or necessary. For options and detail part and pump controller, piped. The Viking FOAMPAK can supply numbers for ordering see Figure single or multiple foam systems with 2. 2. MANUFACTURER balanced pressure proportioning. THE VIKING CORPORATION 5. AVAILABILITY AND. 210 N. Industrial Park Road 4. TECHNICAL data SERVICE. Hastings, Michigan 49058 Listings and approvals: The Viking FOAMPAK foam Telephone: (616) 945-9501 Controller UL Listed and FM pumping systems are available (877) 384-5464 Approved through a network of domestic, Fax: (616) 945-9599 Pump UL Listed and FM Approved Canadian, and international (ISO Registered company).

2 TE. e-mail: distributors. See Yellow Pages of Connections: the telephone directory for a local Foam Pump and Controller by: Edward's Manufacturing Inc. FOAMPAK 5S - 1 (38mm) distributor (listed under 2441 SE Stubb Street Supply and Discharge 150 lb. Sprinklers-Automatic-Fire ), or Milwaukie, Oregon 97222 Flanged connections contact The Viking Corporation. FOAMPAK 13S - 1 (38mm). 3. PRODUCT DESCRIPTION. The Viking FOAMPAK foam pump LE. Supply and Discharge 150 lb. Flanged connections Viking TECHNICAL data may be found on The Viking Corporation's Web site at system incorporates a UL Listed and FM Approved positive displacement FOAMPAK 26S - 2 (50mm) Supply The Web site may include a more recent bronze/stainless steel rotary gear and Discharge 150 lb. Flanged edition of this TECHNICAL data page. foam pump capable of dry operation. connections O.

3 The BALANCE valve, pressure RELIEF FOAMPAK 50S - 3 (85mm) Supply and Discharge 150 lb. Flanged 6. GUARANTEES. valve, and piping products are all For details of warranty, refer to bronze or copper as standard connections Viking's current list price schedule BS. materials. A UL Listed/FM Approved FOAMPAK 59S - 4 (100mm) Supply and Discharge 150 lb. Flanged or contact The Viking Corporation listed foam pump controller, mounted directly. and wired, is included. connections The Viking FOAMPAK , is a complete Controller standard NEMA rating: 7. APPLICATION. NEMA 2 (IEC IP31 ), (other The Viking FOAMPAK foam foam pumping system, equipped with NEMA enclosures for motor and pumping systems are foam supply and discharge piping O. controller are available at concentrate delivery devices. (excluding the foam supply piping additional cost.) Viking FOAMPAK foam systems and foam return piping to the foam Controller and pump motor voltage: are a critical part of a low expansion tank), auxiliary flushing connections, Low Voltage (3 phase/50, 60 foam system which includes the concentrate discharge check valve, Hz/200-208 volt), voltages of following applications: aircraft pressure sustaining valve, pump 220/230, 380/415, or 460/480 at hangars, petro-chemical facilities, casing RELIEF valve, concentrate 50 or 60 Hz are available at no flammable and combustible liquid supply strainer, foam pump and additional cost but must be warehouses, tank farms, facilities for pump controller.

4 Specified when ordering. bulk storage of flammable or The rotary gear pump is of all bronze Standard FOAMPAK Specifications combustible liquids, offshore construction (recommended), (optional Maximum Pump Speed: 1800 RPM 60 FPSO and shipboard applications ductile iron casing with bronze interior Hz/1500 RPM 50 HZ and military installations. The parts or all stainless steel available), to Maximum viscosity of liquid to be FOAMPAK systems can supply withstand the corrosive atmosphere transferred: 3500 cps per UL/FM foam concentrate to concentrate that exists with AFFF and AR-AFFF. (5500 cps-non listed pumps) injection piping run above or concentrates. The unique lip seal Material Standards: below ground. construction of the pump allows it to run dry without damage to the pump. See individual FOAMPAK charts for material standards. Form No.

5 F_050399 Replaces page 250a-j March 1, 2001. (Revised FOAMPAK component charts.). Foam 250 b January 7, 2002. FOAMPAK . A FOAM PUMP/PRESSURE. TECHNICAL data . BALANCE AND RELIEF . VALVE/PUMP CONTROLLER. 8. OPERATION When the pump controller receives a is utilized to supply the pump with The Viking FOAMPAK pump assembly signal to start, the electric motor is an auxiliary source of foam is supplied with a pump controller that energized, driving the rotary gear concentrate if needed or to supply starts the pump via a remote start pump. The pump draws foam the foam pump, valves and piping signal when foam concentrate is concentrate from the atmospheric with clean water if flushing is required to be pumped to the hazard tank and discharges the concentrate required. area(s). There are many methods of through the foam concentrate The primary discharge connection starting the foam pump, the most discharge piping network (installed by is utilized to supply the common is through a water pressure contractor) to the ILBP(s).

6 The Viking concentrate piping to the ILBP. switch at the system riser. When the FOAMPAK assembly is equipped with a piping network. The secondary water pressure switch is activated, pressure sustaining valve that is discharge connection is utilized to the foam pump controller will receive connected to a return line that is piped supply auxiliary foam concentrate a signal to start operation. to a return connection located on the users or as a discharge outlet for TE. Other methods include pressure atmospheric storage tank. The return flushing. The secondary supply and drop, which requires a maintenance line connection should be located discharge connections are supplied (jockey) foam concentrate pump that below the liquid level of the storage with quarter turn stainless steel or maintains a desired pressure in the tank to minimize any foaming action all bronze ball valves , (normally foam concentrate piping.)

7 When the caused by the agitation of the foam closed) to isolate these pressure drops in the concentrate piping to a point that the maintenance LE. concentrate. The pressure sustaining valve is utilized to ensure the foam connections from operating conditions. normal (jockey) foam concentrate pump discharge pressure is balanced with The supply connection is cannot maintain the desired the water pressure, regardless of the equipped with a Y strainer to pressure, the main pump foam foam usage requirement. Often the ensure that the foam concentrate O. pressure switch sends a signal and pump output exceeds the demand, or flushing supply entering the starts the main foam pump. thus using the pressure sustaining foam pump is clean. Maintenance (jockey) foam valve to maintain the BALANCE . 9. SELECTION. concentrate pumps are not standard The FOAMPAK is equipped with a BS.

8 The Viking FOAMPAK system is with the Viking FOAMPAK , but can be pump RELIEF valve that is piped to the available in five basic sizes, ordered as a separate option. concentrate return line past the available with four standard foam The foam concentrate is supplied to pressure sustaining valve. The pump discharge pressure ratings, 100, the Viking FOAMPAK assembly RELIEF valve is in place to ensure that a 150, 200, 250 psi, ( , , , through a customer or contractor flow of foam concentrate is maintained bar). The FOAMPAK O. supplied pipe, connected to an through the foam pump even in a assembly flow rate capacity is atmospheric storage tank. The pump churn condition (no concentrate selected based on the required atmospheric storage tank can be a demand) or sustaining valve failure. flow rate per minute of foam horizontal or vertical vessel.

9 Most The pump RELIEF valve will open at a concentrate and percentage of atmospheric foam storage tanks are pre-set pressure and direct foam foam injection required for the of a fiberglass or poly construction. concentrate back to the atmospheric most demanding hazard. The The foam concentrate storage tank is storage tank. The pump RELIEF standard method of sizing the not pressurized, the foam concentrate valve eliminates overheating and FOAMPAK capacity is by is only under atmospheric pressure to over-pressurization of the foam multiplying the area of the hazard the supply side of the Viking pump and piping in a dead head by the required density, multiply FOAMPAK . (no flow) or churn pressure that sum by the concentration of When the Viking FOAMPAK is not condition. foam concentrate (1%, 3%, 6%), equipped with a maintenance The Viking FOAMPAK is equipped with multiply that sum by a (jockey) foam concentrate pump, the primary and secondary supply and safety factor for hydraulic over discharge piping from the pump skid discharge connections.

10 The primary discharge and hydraulic balancing assembly to the In-Line Balanced supply connection is utilized to take a of the system piping. If the hazard Proportioner (ILBP), is full of foam supply from the atmospheric storage required flow rate is known, concentrate, but not under pressure. tank, the secondary supply connection meaning the hydraulic January 7, 2002 Foam 250 c FOAMPAK . A FOAM PUMP/PRESSURE. TECHNICAL data BALANCE AND RELIEF . VALVE/PUMP CONTROLLER. calculations for the hazard have been 11. TESTING AND 2. Foam pressure switch for performed, multiply the total water MAINTENANCE loss of pressure automatic flow in minutes by the % of foam to be It is imperative that the Viking starting used. FOAMPAK is inspected and tested per 3. Automatic transfer switches The FOAMPAK assembly's pressure the requirements of NFPA 20 and to transfer to another power rating is selected after considering the NFPA 25.