Laserfiche WebLink
~ TYPE OF CONNECTION <br /> <br />TYPE OF DEVICE TO BE USED <br /> <br />1 2 3 4 5 <br /> <br />(a) Direct water con- <br /> nections, subject <br /> to backpressure <br /> from: <br /> (t) Pumps, tanks & <br /> lines containing: <br /> a. Sewage substances <br /> b. Toxic substances <br /> c. Nontoxic <br /> substances <br /> (a) Steam lines & <br /> steam boilers <br /> <br />Air <br />gap <br /> <br />Double Reduced <br />Nonpressure Pressure check pressure <br /> vacuum vacuum valve backflow <br /> breaker breaker 'as'sembly''.prevention <br /> <br />x <br />x <br /> <br />x x <br /> <br />x <br /> <br />TYPE OF CONNECTION <br /> <br /> TYPE OF DEVICE TO BE USED <br /> <br />1 2 3 4 5 <br /> Double Reduced <br /> Nonpressure Pressure check pressure <br />Air vacuum vacuum valve backflow <br />gap breaker bra~k'e~ ~-a~s~mbly '' prevention <br /> <br /> a. Boiler or steam <br /> connection to <br /> toxic substances x <br />b. Boiler or steam <br /> connection to non- <br /> toxic substances <br /> (boiler blow-off <br /> or drains not con- <br /> nected directly to <br /> sewer) x <br /> (b)~Inlet-type water <br /> <br />(1) <br /> <br />x <br /> <br />connections not <br />subject to back- <br />pressure: <br /> <br /> Waste line (not <br /> subject to back- <br /> pressure due to <br /> waste line stop- <br /> pages) <br /> <br />x <br /> <br />6 <br /> <br /> <br />