Serie BOACHEM
Bellows-type Globe Valve
Nominal diameter: DN 15 – DN 200
Nominal pressure: PN 10/40
Main applications:
▪ Food and beverages industry
▪ Petrochemical industry
▪ Process engineering
▪ Sugar industry
Features:
▪ Straight-way pattern
▪ Throttling plug up to DN 100
▪ On/off disc for DN 125 and above
▪ Discharge disc for:
PN 16 DN 200
PN 25 DN 150
PN 40 DN 125
▪ Non-rotating stem with external thread
▪ Non-rising handwheel
▪ Position indicator
▪ Stem sealed by double-walled bellows and back-up gland packing
▪ The valves satisfy the safety requirements of Annex I of the European Pressure Equipment Directive 97/23/EC (PED) for fluids in Groups 1 and 2.
▪ The valves do not have a potential internal source of ignition and can be used in potentially explosive atmospheres, Group II, category 2 (zones 1+21) and category 3 (zones 2+22) to ATEX 94/9/EC.
| Materials | ||
| • Casing: | G X 5 CrNiMo 19-11-2 (1.4408) | |
| • Valve disc: | X5 CrNiMo 18-10 (1.4401) | |
| • Bellows: | X5 CrNiMo 18-10 (1.4401) | |
| Variants | ||
| ▪ Throttling plug from DN 125 ▪ Pilot plug ▪ Leakage detection hole ▪ Stellited seat/disc interface ▪ Valve disc with PTFE gasket (up to 200 ℃) ▪ Applications down to -60 ℃ ▪ Locking device ▪ Position switch(es) ▪ Serrated gasket (PTFE-coated) ▪ Oil and grease-free ▪ PTFE packing ▪ Heating jacket made of 1.4541/1.4301 or 1.4571/1.4404 ▪ Other flange designs |
