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A.0500.501 – IM-TGGS/05.01 EN (03/2013)
2.0 Pump description
TopGear/GS pumps are rotary positive displacement pumps with internal gear. They are made of
cast iron. TG GS pumps: heating / cooling jackets (steam), several sleeve bearings, gear and shaft
materials and mounted relief valve.
2.1 Type designation
The pump properties are encoded in the following type indication, which is to be found on the
nameplate.
Example:
1. Pump family name
TG = TopGear
2. Pump range name
G = General purpose
S = Single mechanical seal - shaft bearings outside the liquid
3. Hydraulics indicated with displacement volume per 100 revolution (in dm
3
) and
nominal port diameter (in mm)
TG GS2-25
TG GS3-32
TG GS6-40
TG GS15-50
TG GS23-65
TG GS58-80
TG GS86-100
TG GS185-125
4. Pump material
G
Pump in cast iron
5. Port connection type
1
Thread connections
2
PN16 flanges to DIN2533
3
PN20 flanges to ANSI 150 lbs
6. Jacket options for pump cover
O
Pump cover without jackets
S
Pump cover with jacket and thread connection
TG GS 58-80 G 2 S SG 2 G1 AV
1
2
3
4
5
6
7
8
9
10