Handwheel. Gate valves are best for services that require infrequent valve operation and where the disk is kept either fully open or closed. They are not practical for throttling.
Bronze Gate Valve Non rising stem
Handwheel Operated
Female End Connections - taper threaded BS EN 10226 formerly BS 21.
PN20 Pressure Rated
Operating Temperature Range: -10 to 180°C
WRAS approved 85°C
Manufactured in accordance with BS EN 12288: 2010 (formerly BS 5154)
Hattersley Fig No 33X
https://www.hattersley.com/product/gate/33x-33xls