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2.0 Pump description
TopGear BLOC pumps are rotary positive displacement pumps with internal gear. They are made of
cast iron or stainless steel. TG BLOC pumps are assembled from modular elements, which allows
a variety of constructions: 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:
TG BLOC 58-80
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1. Pump family name
TG = TopGear
2. Pump range name
BLOC = Close-coupled pump with single mechanical seal
3. Hydraulics indicated with displacement volume per 100 revolution (in dm
nominal port diameter (in mm)
TG
TG
TG
TG
4. Application
FD
5. Pump material & port connection type
G2
G3
R2
R3
R4
R5
6. Jacket options for pump cover
O
S
7. Idler bush and idler materials
SG
CG Idler bush in carbon with idler in iron
BG
BR
CR
12
2
3
4
BLOC15-50
BLOC23-65
BLOC58-80
BLOC86-100
Non-food
Food
Pump in cast iron with PN16 flanges to DIN2533
Pump in cast iron with PN20 flanges to ANSI 150 lbs
Pump in stainless steel with PN25/PN40
Pump in stainless steel with PN20 flanges to ANSI 150 lbs
Pump in stainless steel with PN50 flanges to ANSI 300 lbs
Pump in stainless steel with PN16 flanges to DIN2533
Pump cover without jackets
Pump cover with jacket and thread connection
Idler bush in hardened steel with idler in iron
Idler bush in bronze with idler in iron
Idler bush in bronze with idler in stainless steel
Idler bush in carbon with idler in stainless steel
G2 S SG 2 G1 AV
5
6
7
8
A.0500.751 – IM-TGBLOC/01.00 EN (10/2020)
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10
) and
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