K4100714000001-00 / 05.2017
4
Design
Art.-No.
7140G02000
7140G02500
7140G03200
DN
20
25
32
A1
G 1
G 1 1/4
G 1 1/2
D1 [mm]
60
60
60
D2 [mm]
40
40
40
H1 [mm]
270
270
270
H2 [mm]
135
135
135
H3 [mm]
88
88
88
H4 [mm]
151,5
151,5
151,5
L2 [mm]
158
163
165,5
L3 [mm]
45
50
52,5
L4 [mm]
57,5
57,5
57,5
L5 [mm]
35
35
35
L1 [mm]
90
100
105
T1 [mm]
51,5
51,5
51,5
T2 [mm]
27
27
27
T3 [mm]
20,6
27,5
27,5
max. flow rate
(kvs) [m³/h]
4,5
4,5
4,5
weight [kg]
2,10
2,84
2,88
Nominal
volume
Valve size *)
min.
[DN]
Heater
rating max.
[kW]
≤ 200
15 (R/Rp ½)
**)
75
> 200 ≤1000
20 (R/Rp ¾)
150
> 1000 ≤ 5000
25 (R/Rp 1)
250
The safety group is designed to comply with
the pertinent guidelines laid down in DIN
4753, Part 1, 6.3.1 and DIN 1988, Part 2,
4.3.4.1.1
Nominal size of the safety valves for self-
contained drinking water heaters
*) Inlet connection size applies as valve size
**) R tapered male Withworth thread
Rp cylindrical female Withworth thread
both to DIN 2999-1
