Grundfos ALPHA SOLAR B, Инструкция по установке и эксплуатации

Страница: 18 / 25

13. Accessories
13.1 Unions and valve kits
The accessory is used to connect the pump to the pipes.
The union nut must be fitted to the pump while the union tail is
connected to the pipes.
The accessory set includes everything you need for installation.
Product numbers, unions
Rp
Pump type Connection 3/4" 1" 1 1/4"
25-xx
G 1 1/2
529921 529922 529821
25-xx N 529971 529972 -
32-xx G 2 - 509921 509922
R
Pump type Connection 1" 1 1/4"
25-xx
G 1 1/2
529925 529924
25-xx N - -
32-xx G 2 - -
Rp
Pump type Connection 3/4" 1" 1 1/4"
25-xx
G 1 1/2
- - -
25-xx N 519805 519806 519807
32-xx G 2 - - -
mm
Pump type Connection Ø22 Ø28
25-xx
G 1 1/2
- -
25-xx N 519808 519809
32-xx G 2 - -
mm
Pump type Connection Ø18 Ø22 Ø28
25-xx
G 1 1/2
- - -
25-xx N 529977 529978 529979
32-xx G 2 - - -
G-threads have a cylindrical form in accordance with the EN ISO
228-1 standard and are not sealing the thread. It requires a flat
gasket. You can only screw male G-threads (cylindrical) into female
G-threads. The G-threads are standard thread on the pump
housing.
R-threads are tapered external threads in accordance with the EN
10226-2 standard.
Rc- or Rp-threads are internal threads with either tapered or
cylindrical (parallel) threads. You can screw male R-threads
(conical) into female Rc- or Rp-threads.
R
R
Rp
G
Rc Rp R
TM077426
Thread types and combinations (examples)
13.2 Insulating shells
The insulating shells, which are tailored to the individual pump type,
can be ordered as accessories. It is easy to fit the insulating shells
around the pump.
Pump type Product number
ALPHA SOLAR 99270706
Related information
5.4 Insulation of the pump housing
18
English (GB)