Which are the handwheel and bonnet?
When the valve pressure is large and the caliber is large, the operation torque of the shut-off valve will increase. It is difficult to use the bonnet, so it is recommended to use the handwheel.
Small (DN = 25, and the valve pressure is not too large) valve bonnet is recommended, convenient switch.
Small (DN = 25, and the valve pressure is not too large) valve bonnet is recommended, convenient switch. When the valve pressure is large and the caliber is large, the operation torque of the shut-off valve will increase. It is difficult to use the bonnet, so it is recommended to use the handwheel.
