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