​​HON 670 actuator systems K 16 and K 18 are used for SSV over-pressure release according to DIN EN 14382. HON 671 Actuator Systems K 17 and K 19 are used for SSV under-pressure release according to DIN EN 14382 for safety shut-off valves (SSV).​​​​

HON 672 actuator systems for safety shut-off valves include K 10a, K 11a/1 and K 11a/2 according to DIN EN 14382.​​

HON 673 are actuator systems for direct-acting safety shut-off valves. According to DIN EN 14382, actuator systems are an integral part of SSVs.​

HON 674 is an actuator system for direct-acting safety shut-off valves. According to DIN EN 14382, actuator systems are an integral part of SSVs.