Johnson Pump TG GS2-25 Instruction Manual page 13

Example
TG
1
7. Idler bush and idler materials
SG
CG Idler bush in carbon with idler in iron
BG
HG Idler bush in ceramic with idler in iron
SS
CS
BS
HS
US
BR
CR
HR
UR
8. Idler pin materials
2
5
6
9. Rotor and shaft materials
G1
N1
R1
10. Shaft seal arrangement
Single mechanical seal Burgmann type MG12
AV
WV Single mech. seal Burgmann MG12 SiC/SiC/FPM (Fluorocarbon)
Single mechanical seal Burgmann type M7N
HV
HT
WV Single mech. seal Burgmann M7N SiC/SiC/FPM (Fluorocarbon)
WT Single mech. seal Burgmann M7N SiC/SiC/PTFE-FFKM
Remark: EPDM and FFKM (Chemraz®) O-ring sets available on request
Single mechanical seal option without mechanical seal
XX
A.0500.501 – IM-TGGS/05.01 EN (03/2013)
:
GS 58-80 G
2 3 4
Idler bush in hardened steel with idler in iron
Idler bush in bronze with idler in iron
Idler bush in hardened steel with idler in steel
Idler bush in carbon with idler in steel
Idler bush in bronze with idler in steel
Idler bush in ceramic with idler in steel
Idler bush in hard metal with idler in steel
Idler bush in bronze with idler in stainless steel
Idler bush in carbon with idler in stainless steel
Idler bush in ceramic with idler in stainless steel
Idler bush in hard metal with idler in stainless steel
Idler pin in hardened steel
Idler pin in nitrided stainless steel
Idler pin in hard coated stainless steel
Rotor in iron and shaft in steel
Rotor in nitrided nodular iron and shaft in steel
Rotor in stainless steel and shaft in steel
Single mech. seal Burgmann MG12 Carbon/SiC/FPM (Fluorocarbon)
Single mech. seal Burgmann M7N SiC/Carbon/FPM (Fluorocarbon)
Single mech. seal Burgmann M7N SiC/Carbon/PTFE-wrapped
Single seal parts – seal on request
2 S SG 2
5 6 7 8
G1 AV
9 10
13