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D. Siphon Breaker SECTION 02723 <br /> Siphon breaker connection is located on the valve discharge <br /> elbow and is furnished with a union to facilitate installation of AFL-OSV by CONTECH SPECIFICATIONS <br /> siphon breaker pipe. PART 2.00 Oil Stop Valves <br /> In order to calculate siphon breaker pipe length,determine A.Manufacturers <br /> the maximum liquid level in the sump/tank at a spill condition, 1. CONTECH Construction Products: Model AFL-OSV-4SST <br /> subtract elevation of the top of the OSV discharge pipe from with slave valve(stainless steel)or approved equal installed <br /> maximum liquid level and add 1'-6"(450 mm).After the length inside prefabricated manhole. <br /> of the pipe has been cut,attach the pipe to the union using PVC B.General <br /> solvent cement. Install the siphon breaker pipe on the valve and <br /> support it as required. Ideally,the top of the pipe should be as 1. Description:Fabricated control valve designed to control <br /> close to grade as possible. oil spills.Valve assembly shall consist of a base,guides, <br /> ATTENTION: IMPROPER SIPHON PIPE ELEVATION WILL RESULT inlet housing,float and outlet connection.Valve shall be <br /> IN OIL DISCHARGE THROUGH THE SIPHON BREAKER DURING designed to operate on specific gravity differential principle. <br /> SPILL CONDITION, 2. Float Weight: Ballasted for 0.95 specific gravity <br /> 3. Flow: 160 GPM(10 Ips)Gravity(Maximum) <br /> Maintenance 4. Inlet Pipe Size: 12"(300 mm)Diameter <br /> 1. Remove solids from bottom of sump as required. Six(6") 5• Vents: 1"(25 mm)SS threaded coupling located on top <br /> [150 mm]of build up maximum. of discharge pipe.Vent pipe to extend above maximum <br /> 2. With water level in sump at outlet invert,gently push guide oil level to be supplied by Contractor. Material to be <br /> rod downwards approximately 6"(150 mm).This will allow galvanized pipe. <br /> float to come in contact with the bottom flange. 6. Coupling: 1"(25 mm)SST threaded coupling and plug <br /> 3. Release guide rod.The rod should rise up to the original located on side of discharge pipe. <br /> position.If this procedure was successful the valve is in proper 7. Outlet connection to 12"(300 mm)Diameter plain end <br /> working order, pipe. Contractor to supply connection flexible connector <br /> 4. Occasionally the float will stay seated on the bottom flange and clamps. <br /> when pushed down. Simply pull upwards on the stainless C.Materials of Construction <br /> steel cable attached to the guide rod.This will break the 1. Base, Housing and Outlet Piping.304E SST <br /> suction and allow the float to rise. If when attempting to <br /> push guide rod downwards and it appears to be stuck, 2. Float: SST with Teflon Seat <br /> pull up on stainless steel cable to raise the float again 3. Float Guides:Type 304 Stainless Steel sleeves <br /> approximately 6"(150 mm).If float rises, release cable.If the <br /> float sinks it is inoperable and must be replaced. D.Design Requirements <br /> 5. This procedure should be performed at least yearly. 1. Pressure Rating:Atmospheric <br /> ATTENTION: UPON VALVE CLOSURE DUE TO A SPILL,THE OIL 2. Temperature:Ambient with 450°F(232°C?maximum <br /> COLLECTED IN THE SUMP,TANK OR OIL SEPARATOR,MUST <br /> BE EVACUATED FROM THE VALVE CHAMBER AND DISPOSED PART 2.10 Slave Valve <br /> OF PROPERLY.AFTER THE OIL HAS BEEN REMOVED, FILL A.General <br /> CHAMBER WITH CLEAN WATER AND RE-OPEN THE VALVE BY 1. Application:Oil spill prevention <br /> LIFTING THE FLOAT BY PULLING ON LIFT CABLE.THE SAME <br /> PROCEDURE MUST BE USED DURING PROCESS START UP. 2. Model Number:SV 5.5/PVC <br /> 3. Description: Fabricated to reopen oil stop valve in the event <br /> of water loss caused by leakage or evaporation,etc.) <br /> 4, Float Weight: Ballasted for 0.95 specific gravity <br /> B. Materials of Construction <br /> 1. Base, Housing,and Piping:SS <br /> Support 2. Float: PVC <br /> i)rawirigs and specifications are available at www.contechstofmwatomccir. 3, Float Guides:Type 304 Stainless Steel <br /> Site-specific 4. Pressure Rating:Atmospheric <br /> 0 0, OCONTECH Construction Products In(;.provides site solutions for the civil support .. <br /> NTECH Stormwater Solutions <br /> 5. Temperature:Ambient with 130°F(54°C)maximum <br /> -engineering industry. a C.Principle of Operation <br /> sewer,stormwater and earth stabilization products.For information on other <br /> COWECH division offerings,visit contech-cpi.com or call 800.338.11221. The slave valve is added to an oil stop valve to allow the <br /> Nothing in this catalog should be construed as an expressed warranty or an main float to reopen. Due to the lack of water the main <br /> Im*plied warranty of merchantability or fitness for any particular purpose. float will close.When additional rain enters the sump,the <br /> Seethe CONTECH standard quotation or acknowledgement for applicable slave valve float will open and allow water to enter the oil <br /> warranties and-other terms and conditions of sale. stop valve body.As the water level rises the main float will <br /> T�je pto�kicgs)described may be Protected by one or more of the followin9 US patents! open due to water pressure pushing up against the bottom <br /> of the main float.In the event of an oil spill,the slave valve <br /> ' float and the main float will close containing the spill. <br /> 7.297,266;7,517,450;related forckjn patents or other patents pending, <br /> cousummio"Pr+ooucrs INC, osV manual 04J09 <br /> 500338.1 W, • vvo wcontech-cpi.com <br />