TOC front & back - Josam

1 233 BACKWATER VALVESBACKWATER VALVESBWV, HYDRANTS & SHOCKSA SAFEGUARD AGAINST WATER DAMAGEA nyone who has ever experienced flooding caused by a reversal of sewage flow never wants to be confronted with a is extensive and generally uninsurable. Backwater and its attendant problems must therefore be seriously considered in termsof adequate control and prevention by individuals responsible for the design and construction of buildings. To overlook the possibilityof backwater or underestimate the destruction and unsanitary conditions that will result from uncontrolled backwater would be a gravemistake. Josam Backwater Valves provide the flood control that is SWING-CHECKThe most frequently used backwater valve is the swing-check,rotating, self-cleaning disc type. This valve is normally fur-nished with the disc installed in the closed position to preventcirculation of sewer gas.

2 If desired, the disc can be assembledto hang open to permit circulation of air by moving the hingepin to its alternate SHEAR-GATEThis manually operated shear-gate valve is spade shaped tocut through any sewage debris that may become lodged onthe seating surface providing positive assurance of completeclosing against BALL-FLOAT CHECKThis type of backwater valve is incorporated in certain floor drains and traps. It is also used as auxiliary equipment for bottomoutlet floor drains to provide independent backflow ball-float seals against the ring seat with COMBINATION SHEAR-GATE ANDSWING-CHECK VALVEThis combination valve provides dual protection against backflow. The automatic swing-check responds with instant closure when backflow starts. During emergency periods, whena serious backwater condition exists or is expected, or when the building drainage system is to be shut down, the manuallyoperated shear-gate is closed until the building drain line can be used again.

3 The shear-gate valve is kept open when thebuilding drainage system is in type of backwater valve is intended primarily for installation in new OFFERS FOUR BASIC TYPES OF ASSEMBLIESN ormal PositionClosed with No FlowFlow PositionVariable Dependingon Discharge FlowBackflow PositionInstant Closing withBackflowBackwater 3/27/08 12:08 PM Page 233 WARNING: Cancer and Reproductive Harm - VALVESBACKWATER VALVESBWV, HYDRANTS & SHOCKSEXAMPLE: Series No. 67100 AType No. 67103A67103A -Z-5 Outlet Size 3"Outlet Type, No Hub Spigot OutletOptional Material, Galvanized Cast Iron PartsEXAMPLE: Series No. 67500 Type No. 6750467504-10 Outlet SizeOption, Threaded Bronze CoverHow to OrderUnless optional materials are specified, standard material shown in Specification will be provided. Last digit indicates outlet 67100A Backwater Valve is for use with any 4" or 6" No-Hub only in hub and spigot TYPE67500 Hub & Spigot ConnectionsPage 23767600 Hub & Spigot ConnectionsPage 23767650 Pit Type, Spigot ConnectionPage 23867720 Terminal Type, Hub ConnectionPage 23867800 Terminal Type, Hub ConnectionPage 239 BALL FLOATSWING-CHECK TYPE67100 APage 23567360 Straight Through Shear GatePage 23567360-DHStraight Through Shear Gate, Double HubPage 23667400No-Hub ConnectionPage 236 BACKWATER VALVES Pictorial Selection GuideBACKWATER VALVES Pictorial Selection GuideBackwater 3/27/08 12:08 PM Page 234 WARNING.

4 Cancer and Reproductive Harm - VALVESBACKWATER VALVES235 BWV, HYDRANTS & SHOCKSAPPLICATIONFor use with any 4" or 6" No-Hub floor drain where protection from backflow maybe 67100A Series coated cast iron Backwater Valve, plastic ball-float, elastomerseat, bronze cage and bottom outlet spigot use in main or branch drain lines to protect basements and lower areas fromsewer back up. Flapper type backwater valve provides continuous protection againstsewage backflow into building. Manually closed shear-gate valve provides additionalcomplete "closure" protection during emergency storm conditions or when building iscompletely shut 67360 Series coated cast iron combination Backwater Valve, straight-throughtype, bronze swing-check assembly, bronze manually operated shear-gate with non-risingstem and hub and spigot SERIESBALL-FLOAT ADAPTER TYPE67360 SERIESSHEAR-GATE & SWING-CHECK TYPEtProduct Illustration Cast Iron Parts-35 1/2" Primer Tapt-DHDouble Hub-15 Open Flap-2812" Cast Iron Extension and Stem-2924" Cast Iron Extension and StemAvailable OptionsAvailable OptionsSTRAIGHT-THROUGH TYPEFOR EXISTINGINSTALLATIONSTYPE :SWING-CHECK VALVE NORMALLY HANGS IN CLOSED POSITION, BUT CAN BE SET TO HANG 3/27/08 12:08 PM Page 235 WARNING.

5 Cancer and Reproductive Harm - use in main or branch drain lines to protect basements and lower areas fromsewer back up. Flapper type backwater valve provides continuous protection againstsewage backflow into 67400 Series coated cast iron Backwater Valve, offset type, bronze fixedswing-check assembly, bolted gasketed cover and no-hub VALVESBACKWATER VALVES236 BWV, HYDRANTS & SHOCKSAPPLICATIONFor use in main or branch drain lines to protect basements and lower areas fromsewer back up. Flapper type backwater valve provides continuous protection againstsewage backflow into building. Manually closed shear-gate valve provides additionalcomplete "closure" protection during emergency storm conditions or when buildingis completely shut 67360-DH Series coated cast iron combination Backwater Valve, straight-through type, bronze swing-check assembly, bronze manually operated shear-gatewith non-rising stem and hub SERIES with -DH Double Hub67400 SERIESNO-HUB SWING-CHECK TYPESTRAIGHT-THROUGH TYPEFOR EXISTINGINSTALLATIONSBOLTED COVER,OFFSET TYPENOTE:SWING-CHECK VALVE NORMALLY HANGS IN CLOSED POSITION, BUT CAN BE SET TO HANG 5/2/08 1:09 PM Page 236 WARNING: Cancer and Reproductive Harm - VALVESBACKWATER VALVES237 BWV, HYDRANTS & SHOCKSTYPE use in main or branch drain lines to protect basements and lower areas fromsewer back up.

6 Flapper type backwater valve provides continuous protection againstsewage backflow into 67500 Series coated cast iron Backwater Valve, offset type, bronze swing-check assembly, bolted gasketed cover and hub and spigot use in main or branch drain lines to protect basements and lower areas fromsewer back up. Flapper type backwater valve provides continuous protection againstsewage backflow into 67600 Series coated cast iron Backwater Valve, offset type, bronze swing-check assembly, bolted gasketed cover and hub and spigot connections.* -10 Threaded Bronze Cover 3"-8"-15 Open Flap-30 2" Auxiliary Inlet with Bronze Plug*For extension, use 10 option with hub and spigot extension pipe by Flap67500 SERIESHUB & SPIGOT, SWING-CHECK TYPE67600 SERIESHUB & SPIGOT, SWING-CHECK TYPEA vailable OptionsAvailable OptionBOLTED COVER,OFFSET TYPEBOLTED COVER,OFFSET TYPENOTE:SWING-CHECK VALVE NORMALLY HANGS IN CLOSED POSITION, BUT CAN BE SET TO HANG :SWING-CHECK VALVE NORMALLY HANGS IN CLOSED POSITION, BUT CAN BE SET TO HANG AND SPIGOT DIM.

7 ARE IN ACCORDANCE WITH SOIL PIPE 4/22/08 6:46 PM Page 237 WARNING: Cancer and Reproductive Harm - VALVESBACKWATER VALVES238 BWV, HYDRANTS & SHOCKSAPPLICATIONFor use at the base of walls in pits or pools, where elevation is limited, requiring avertical inlet drain with a back outlet and a flapper type backwater valve to safe-guard pit equipment or pool from backflow 67650 Series coated cast iron Backwater Valve, pit type, bronze swing-checkassembly, vertical inlet grate and spigot use at the termination of drain lines which discharge into manholes and basins orthrough retaining walls to protect the lines from backflow and discourage theentrance of 67720 Series coated cast iron Backwater Valve, terminal type, bronze swing-check assembly and hub SERIESCOMBINED DRAIN/SWING-CHECK TYPE67720 SERIESHUB INLET, SWING-CHECK TYPE-1 Satin Finish Nikaloy Face-2 Satin Finish Bronze Face-5 Galvanized Cast Iron Parts-25 Flashing Clamp Device-VPSecured Face, Vandal-Proof Screws-LBV Less Backwater Valve-15 Open FlapAvailable OptionsAvailable OptionsSECURED COVER,PIT TYPETERMINAL TYPENOTE:SWING-CHECK VALVE NORMALLY HANGS IN CLOSED POSITION, BUT CAN BE SET TO HANG X B1 CXC1 DEFFREEAREASQ.

8 X 7-5/812-3/4 x 10-7/85-1/81-1/81319406765449-5/16 x 7-5/812-3/4 x 10-7/85-1/81-1/813194067656611 x 8-7/814-3/4 x 12-3/85-1/21-1/8142252 TYPE 3/27/08 12:08 PM Page 238 WARNING: Cancer and Reproductive Harm - VALVESBACKWATER VALVES239 BWV, HYDRANTS & SHOCKSAPPLICATIONFor use at the termination of drain lines which discharge into manholes and basins orthrough retaining walls to protect the lines from backflow and discourage theentrance of 67800 Series coated cast iron Backwater Valve, terminal type, bronze swing-check assembly with bolted cast iron seat and hub Options-4 Bronze Seat-15 Open FlapTYPE TYPE67800 SERIESHUB INLET, SWING-CHECK TYPENOTE:SWING-CHECK VALVE NORMALLY HANGS INCLOSED POSITION, BUT CAN BE SET TO HANG OPEN.*67806 VALVE SEAT IS FLANGED, GASKETED AND VALVE SEAT IS JOINED TO HUB INLET BY 3/27/08 12:08 PM Page 239 WARNING: Cancer and Reproductive Harm.