554 GEM 554 1436 cPos GEM 554 1434 Pos GEM 554 1435 ePos Angle Seat Globe Control Valve Metal Construction The GEM 554 2 2 way angle seat globe control valve is designed for demanding flow control applications It can be paired with the GEM 1434 Pos GEM 1435 ePos positioners or the GEM 1436 cPos positioner and process controller dependent on the control requirements for features see page 12 The positioners are specially designed for GEM valves and achieve optimum results when used as a system The valve spindle is sealed by a self adjusting gland packing providing low maintenance and reliable sealing even after a long service life with high cycle duties A wiper ring protects the gland packing against contamination and damage Features Linear or modified equal percentage control characteristics Kv values from approx 0 16 60 0 m h depending on nominal size valve seat and regulating cone design PID control system can be implemented with GEM 1436 Suitable for inert corrosive liquid and gaseous media and steam Max operating pressure 25 bar Max operating temperature 180 C Advantages Simple and fast commissioning Good flow capability and compact design Valve and positioner are optimally adapted to each other For positioner details please refer to the relevant data sheets Optionally suitable for contact with food according to Regulation EC No 1935 2004 K No 1935 Standard gland packing suitable for vacuum up to 20 mbar abs Sectional drawing see information on working medium on page 2 554 2 Technical data Working medium Corrosive inert gaseous and liquid media and steam which have no negative impact on the physical and chemical properties of the body and seal material Max perm pressure of working medium see table Media temperature 10 to 180 C Max permissible viscosity 600 mm s cSt Control medium Inert gases max 60 C Filling volume Actuator size 0 0 050 dm Actuator size 1 0 125 dm Actuator size 2 0 625 dm Ambient conditions Max ambient temperature 60 C Correlation Kv value operating pressure regulating cone number Valve body material RG 5 code 9 1 4435 code 34 1 4408 code 37 1 4435 code C2 Nominal size Kv value m h Operating pressure bar Actuator size Regulating cone number DNlinearequal percentage mod 15 5120RS001RS011 5251RS000RS010 20 1060RS002RS012 10201RS003RS013 2515101RS004RS014 3224202RS005RS015 4038122RS006RS016 5060102RS007RS017 not for connection code 37 59 80 88 standard regulating cone see following table Leakage rate DIN IEC 60534 4 VI L 1 PTFE seal DIN IEC 60534 4 IV L 1 metal seal Control pressure bar Normally closed NC Actuator size 04 8 7 0 15 5 7 0 2 4 7 DN 20 40 5 7 DN 50 Pressure temperature correlation for angle seat globe valve bodies Connection code Material code Max allowable operating pressures in bar at temperature C RT50100150200250300 1 3C 3D 9 to DN 50 916 016 016 016 013 5 1 9 up DN 65 910 010 010 010 08 5 1 9 17 37 60 3C 3D3725 023 721 319 217 716 415 4 0 13 16 17 18 37 59 603425 024 221 219 317 916 815 9 80 88 DN 15 DN 40 3425 024 221 219 3 80 88 DN 50 DN 80 3416 016 016 016 0 82 DN 15 DN 32 3425 024 221 219 3 82 DN 40 DN 65 3416 016 016 016 0 86 DN 15 DN 40 3425 024 221 219 3 86 DN 50 DN 65 3416 016 016 016 0 473419 019 016 014 813 612 110 2 1A 1B 59C225 024 221 219 317 916 815 9 The valves can be used down to 10 C max temperature 140 C RT Room Temperature All pressures are gauge pressures 554 3 0 10 20 30 40 50 60 70 80 90 100 100 90 80 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 80 90 100 100 90 80 70 60 50 40 30 20 10 Correlation1 Kv value operating pressure regulating cone number Valve body material 1 4435 code 34 1 4408 code 37 2 Nominal size Kv value m h Operating pressure bar Actuator size Regulating cone no DNlinearequal percentage mod 15 0 163 251RB201RA402 0 253 251RB202RB401 0 403 251RB203RB402 0 633 251RC201RC401 1 003 251RC202RC402 1 60251RD201RD401 2 504 251RE201RE401 20 1 60251RD202RD402 2 50251RE202RE402 4 00251RF201RF401 6 304 251RG201RG401 25 2 50251RE203RE403 4 00251RF202RF402 6 30251RG202RG402 10 004 151RH201RH401 32 4 00251RF203RF403 6 30251RG203RG403 10 00161RH202RH402 16 00111RJ201RJ401 40 6 30251RG204RG404 10 00181RH203RH403 16 00111RJ202RJ402 25 00182RK201RK401 50 10 00181RH204RH404 16 00121RJ203RJ403 25 00242RK202RK402 40 00152RM201RM401 1 not for valve body material code C2 2 only for connection code 1 9 3C 3D 3 Standard metal seated with no soft seat 4 not for connection code 37 59 80 88 Correlation Kv value operating pressure regulating cone number Valve body material 1 4435 code 34 1 4435 code C2 Nominal size Kv value m h Operating pressure bar Actuator size Regulating cone number DNlinearequal percentage mod 15 2 7120RS051RS041 2 7251RS050RS040 20 6 360RS052RS042 6 3201RS053RS043 2513 3101RS054RS044 4035 6122RS056RS046 5058 0102RS057RS047 only for connection code 37 59 80 88 Stroke Stroke Kv values Kv values linearequal percentage modified Example Kv value diagram The adjacent diagram shows the approximative curve of the Kv value characteristic The characte