SPX TG H15-50, Instruction Manual, Page: 4 / 110

4 A.0500.351 – IM-TGH/07.02 EN (10/2015)
3.17 Safety relief valve __________________________________________ 30
3.17.1 Pressure _________________________________________________31
3.17.2 Heating __________________________________________________31
3.17.3 Safety relief valve – Relative adjustment _______________________32
3.17.4 Sectional drawings and part lists _____________________________33
3.17.4.1 Single safety relief valve __________________________________ 33
3.17.4.2 Heated spring casing ____________________________________ 34
3.17.4.3 Double safety relief valve _________________________________ 34
3.18 Installation ________________________________________________ 35
3.18.1 General __________________________________________________35
3.18.2 Location _________________________________________________35
3.18.2.1 Short suction line _______________________________________ 35
3.18.2.2 Accessibility ____________________________________________ 35
3.18.2.3 Outdoor installation ______________________________________ 35
3.18.2.4 Indoor installation _______________________________________ 36
3.18.2.5 Stability _______________________________________________ 36
3.18.3 Drives ___________________________________________________36
3.18.3.1 Starting torque _________________________________________ 36
3.18.3.2 Radial load on shaft end __________________________________ 37
3.18.4 Shaft rotation for pump without safety relief valve _______________37
3.18.5 Shaft rotation for pump with safety relief valve __________________38
3.18.6 Suction and discharge pipes ________________________________39
3.18.6.1 Forces and moments ____________________________________ 39
3.18.6.2 Piping _________________________________________________ 39
3.18.6.3 Isolating valves _________________________________________ 40
3.18.6.4 Strainer ________________________________________________ 40
3.18.7 Secondary piping __________________________________________40
3.18.7.1 Drain lines _____________________________________________ 40
3.18.7.2 Heating jackets _________________________________________ 41
3.18.8 Flush/quench media _______________________________________42
3.18.8.1 Packing ________________________________________________ 42
3.18.8.2 Single Mechanical seal ___________________________________ 43
3.18.8.3 Double mechanical seal – Tandem arrangement ______________ 43
3.18.8.4 Double mechanical seal – Back-to-back arrangement _________ 44
3.18.8.5 Cartridge mechanical seal ________________________________ 44
3.18.8.6 Secondary connections __________________________________ 45
3.18.9 Guidelines for assembly ____________________________________47
3.18.9.1 Transport of pump unit ___________________________________ 47
3.18.9.2 Foundation pump unit ____________________________________ 47
3.18.9.3 Variators, Gear box, Gear motors, Motors ___________________ 47
3.18.9.4 Electric motor drive ______________________________________ 48
3.18.9.5 Combustion engines _____________________________________ 48
3.18.9.6 Shaft coupling __________________________________________ 49
3.18.9.7 Guarding of moving parts _________________________________ 49
3.19 Instructions for start-up _____________________________________ 50
3.19.1 General __________________________________________________50
3.19.2 Cleaning the pump ________________________________________50
3.19.2.1 Cleaning suction line_____________________________________ 50
3.19.3 Venting and filling __________________________________________50
3.19.4 Checklist – Initial start-up __________________________________51
3.19.5 Start-up __________________________________________________52
3.19.6 Shut-down _______________________________________________52
3.19.7 Abnormal operation ________________________________________52
3.20 Trouble shooting ___________________________________________ 53
3.20.1 Instructions for re-using and disposal _________________________55
3.20.1.1 Re-use ________________________________________________ 55
3.20.1.2 Disposal _______________________________________________ 55