operation: you turn the pull-ring by 90° after retracting the locking pin and secure the ring using the notched catch (if the locking pin is not supposed to project);
temperature range index plunger up to 250°C;
lock nuts (CH22) have to be purchased separately;
s in the table stands for the stroke;
F and F1 in the table stands for the spring load (N ± statistical average value).
