Specification:
- Two-ply bellows seal as standard
- DN 15-100 throttling plug as standard
- DN 15- 80 stem with fine thread as standard
- Lubricating nipple as locking device as standard
- Cast iron variations with nodular iron bonnet as standard
- Heat dissipating bonnet
- Stem with bellows seal
- Secondary sealing: gland packing
- Position indicator as standard
- Non-rising handwheel
- Non-rotation lock for each nominal diameter
- External stem thread
- Stem with roll hardened thread