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.
A ball check valve in the open position to allow forward flow and closed position to block reverse flow. A ball check valve is a check valve in which the closing member, the movable part to block the flow, is a spherical ball. In some ball check valves, the ball is spring-loaded to help keep it shut. ball check valve in the open position to allow forward flow and closed position to block reverse flow. A ball check valve is a check valve in which the closing member, the movable part to block the flow, is a spherical ball. In some ball check valves, the ball is spring-loaded to help keep it shut.