Grundfos 91122111 TP 50-80/2 A-G-A-BUBE-XY2 mechanical seal kit with BUBE primary shaft seal and EPDM elastomer for TP 50-80/2 in-line circulator pump. Compatible with cast iron pump housing and stainless steel impeller, rated for water circulation at 88.1 GPM (20 m³/h) and 6.4 m head. Maximum operating pressure 10 bar, liquid temperature range -15°C to 140°C (5°F to 284°F).

Actual impeller diameter

73.9 mm

Country code

Namreg

Curve tolerance

1999 Annex A

Density

998.2 kg/m³

Density (lb/ftBi)

62.29

Flange standard

USA

Impeller

Stainless steel

Liquid temperature range (°C)

-15 - 140

Maximum operating pressure (bar)

10

Pipe connection

2 in

Primary shaft seal

BUBE

Product name

TP 50-80/2 A-G-A-BUBE-XY2

Product no

91122111

Pump housing

Cast iron

Pumped liquid

Water

Rate flow (gpm)

88.1

Rated flow

20 m³/h

Rated head

6.4 m

Selected liquid temperature (°C)

20

Temperature range (F)

5 .. 284