Gate valves can be into cast gate valves and forged gate valves, Gate valve designed in according to API 600.602.603 specifications.
Gate valve are available in 2 basic connection: Threaded End and flange end.
Gate valve has Rising Stem and Non-Rising Hand Wheel
When the gate valve is fully open, the disk of a gate valve is completely removed from the flow. Therefore virtually no resistance to flow. Due to this very little pressure drops when fluid passes through a gate valve.