Also, here's how to select each option. If you want to sign for a debit card transaction, you generally swipe your card through the reader and choose credit â even though you are authorizing a debit (withdrawal) from your account, not a credit card transaction. To use your PIN instead of signing, select debit..
Series 406-NRS-RW NRS Flanged Gate Valves are used in commercial applications in potable water distribution systems. They feature an epoxy-coated, cast iron body with flanged connections, resilient-wedge disc, stainless steel non-rising stem and cast iron handwheel (or nut and valve key). Series 406-NRS-RW complies with AWWA C509 specifications.
Gate valve: A circular disc (the gate) which is perpendicular to the flow direction and to the pipe is raised vertically when the spindle is turned. When the gate valve is fully open, there is no restriction to the flow and you can see striaght through from one side of the valve to the other.A Sluice Valve is a bigger version of the same thing used on water mains (4,6 and bigger pipes). A gate valve usually has a hand wheel on the spindle.Stop Cock: A circular disc or jumper which is parallel to the flow is raised off its seat when the spindle is turned. Sluice Valve is a bigger version of the same thing used on water mains (4,6 and bigger pipes). A gate valve usually has a hand wheel on the spindle. Stop Cock: A circular disc or jumper which is parallel to the flow is raised off its seat when the spindle is turned.