2-way control valve with bellows BAELZ 340-BK-SS NP16 
Kvso=0.004% 
body material: GJS-400-18-LT-JS1025 (GGG40.3) 
internal parts: stainless steel
stuffing box: with bellows and safety gland 
medium: hot oil

stroke: 
ND15-25: 12mm
ND32-125: 22mm 
ND150: 44mm 
ND200-300: 66mm 
BAELZ 340-BK-SS 
Checklist: ND: 15-300 
NP: 16/ 25/ 40 
Standard Body: 
NP16 + NP25: 
GJS-400-18-LT (GGG40.3) 
NP40: GP240GH (GS-C25) 
Temperatures: 
min.: -10℃ 
max.: +350℃
Spindle ?: 10mm
S21: ND15-125
Spindle ?: 22mm 
S31/ 41: ND150-300