BOACHEM® ZYAB Maintenance-free STAINLESS STEEL globe valves with bellows flanged PN 10 - 40 DN 15 - 200 Applications Standard variants - Process engineering, general industry, - For application down to -60°C. building services industry, domestic - Throttle cone. engineering. - Pressure relief cone. - Food, beverages and tobacco industry. - Leackage detection hole - For aggressive media. - Stellited seat faces. - Cone with PTFE gasket ( up to 200°C max). Operating data - Locking device/stroke limitation. - Maximum allowable pressure 40 bar. - Serrated gasket (PTFE or graphite-coated). - Max. permissible temperature form -10°C to +400°C . - PTFE packing ( up to 200°C max). - Pressure-temperature rating see next side. - Free from oil and grease. - Attachments for actuators. Materials - Position switch. - Cast steel G X 5 CrNiMo 19-11-2 - 1.4408. - Heating jacket in 1.4541/1.4301 or 1.4571/1.4404. - Other flange designs. Design Remarks - BOACHEM® ZXAB: Globe valve with bellows according to type series book V-623080/5-10. - BOACHEM® ZXA/ZYA: Globe valve with gland packing and vertical bonnet (ZXA) or y-pattern (ZYA) according to type series books V-623082/1-10 (ZXA) and V-623083/1-10 (ZYA). - BOACHEM® RXA: Non-return valve with vertical bonnet The valves meet the safety requirements of the Pressure according to type series book V-623084/1-10. Equipment Directive 97/23/CE (PED) of annex I for fluids of the - BOACHEM® FSA: Strainer with y-pattern according to type group 1 and 2. series book V-623085/1-10. - Operating instruction V827080-10 The valves do not have a potential internal source of ignition On all enquiries / orders please specify and can be used in potentially explosive atmospheres, 1 Type 6 Medium group II, category 2 (zones 1+21) and category 3 zones (2+22) 2 PN 7 Operating Temperature according to ATEX 94/9/EC 3 DN 8 Pipe connection 4 Working pressure 9 Variants 5 Differential pressure 10 Type series booklet number Note: Applications and Working Conditions: applicability, as well as working and using conditions depend on materials For further information, please do not hesitate to contact our Technical Department Type series booklet V-623081/1-10 - Straight-way pattern with inclined bonnet. - Shut-off cone. - Non-rotating stem with non-rising handwheel. - Position indicator. - Stem sealing with double walled bellows and safety gland.

V-623081 12/08 This leaflet has not contractual validity and could be subjected to technical modification without prior notice