FEEDBACK UNIT FOR MANUALLY OPERATED BALL VALVES
Ni4-DSU35TC-2Y1X2
Suitable for all manually operated ball valves – Series 12, Series 16, Series 18
SAFETY LOCK MADE FROM 1.4571
Type SV:
Suitable for all series 12, 16 and 18 ball valves (with or without spindle extension).
LOCKABLE BALL VALVE MADE OF 1.4571
Type A:
Suitable for all series 12, 16 and 18 ball valves (with or without spindle extension).
VSM SPRING CLOSING UNIT (TYPE STOP) FOR MANUALLY OPERATED VALVES (DEAD MAN’S FUNCTION)
| 2-way 90° | 3-way 90° | Protection | IP 65 |
|---|---|---|---|
| STOP KH 1 G | STOP 3 KH 1 GL | Materials | |
| STOP KH 2 G | STOP 3 KH 2 GL | Housing | Zinc die-cast |
| STOP KH 4 G | STOP 3 KH 4 GL | Cover cap | Nylon |
| STOP KH 03 G | STOP 3 KH 03 GL | Shaft | Stainless steel |
| STOP KH 06 G | STOP 3 KH 06 GL | Hand lever | Stainless steel |
SPINDLE EXTENSION (TYPE SPV) FOR BALL VALVES
| Variant | Item number | Shank | Secondary stuffing box | Pneumatic actuator |
|---|---|---|---|---|
| 0 | 92 – 706/0 | smooth | no | – |
| 1 | 92 – 706/1 | smooth | no | possible |
| 2 | 92 – 706/2 | 40 mm thread | yes | – |
| 3 | 92 – 706/3 | 9 mm thread | no | – |
| 4 | 92 – 706/4 | Test gas connection | yes | possible |
| 5 | 92 – 706/5 | 40 mm thread | no | – |
Spindle extensions for VSM ball valves are recommended for use with critical gaseous and liquid media and when used as cooling valves.
All spindle extensions are always supplied with a 50 mm long, continuous spindle.
Variant 4 allows the space between the primary and secondary stuffing box to be monitored.
The spindle extension with secondary stuffing box is suitable for use:
➔ 2-way ball valves series 16 / 18
➔ 3-way ball valves of the 16 / 18 series
➔ 4 and 5-way ball valves from the 16 series
➔ Ball valves with heating jacket
Spindle extensions without secondary stuffing box are suitable for all ball valves.
