Product Range - Herz Valves UK

HERZ-Regulating valve
Heating, Climate Control
Model l/h DN Dim.
HERZ-Combination valve
Flow rate controller
Pressure Independent. Compact design,
dezincifi cation resistant brass body, external
thread connection DN 15 and DN 20 with cone,
DN 25 up to DN 50 with fl at seal.
Two test points for measuring the differential
pressure. Compression adapters and press
connections have to be ordered separately.
Pressure Independent Balancing Control valve
Compact design, dezincifi cation resistant brass
body, external thread connection DN 15
and DN 20 with cone, DN 25 up to DN 50
with fl at seal. Two test points for measuring
the differential pressure. Combined fl ow
rate controller and control valve, pressure
independent. Actuator mounting threaded
connection M 28 x 1.5 with operating range
4.0 mm. Compression adapters and press
connections have to be ordered separately.
The actuating drive is not included.
HERZ-SMART Pressure Independent
Balancing Control Valve
Compact design, dezincifi cation resistant brass
body, external thread connection and with cone,
Combined fl ow rate controller and control valve,
pressure independent. Actuator mounting
threaded connection M 28 x 1.5 with operating
range 4.0 mm. Compression adapters and
press connections have to be ordered
separately. The actuating drive is not included.
HERZ-Differential Pressure Overflow Valves
HERZ-Differential Pressure Overflow Valve
Straight model
One piece metal valve body, nickel-plated,
for screw connection with fl at seal.
Joint elements have to be ordered separately.
EAN
90 04174
Order
number
Item
40-
400 15 G 3/4 45200 0 1 4001 21 1
80-
900 20 G 1 45210 9 1 4001 22 1
100 -
1500 25 5/4 45220 8 1 4001 23 1
200-
2500 32 1½ 45230 7 1 4001 24 1
400-
4000 40 1¾ 45240 6 1 4001 25 1
500-
5000 50 2
3⁄ 8 45250 5 1 4001 26 1
40-
400
80-
900
100-
1500
200-
2500
400-
4000
500-
5000
20-
100
80-
400
200-
800
40-
200
10-
2000
10-
2000
15 G 3/4 45700 5 1 4006 11 1
20 G 1 45710 4 1 4006 12 1
25 5/4 45720 3 1 4006 13 1
32 1½ 45730 2 1 4006 14 1
40 1¾ 45740 1 1 4006 15 1
50 2
3⁄ 8 45750 0 1 4006 16 1
15
LF
G 3/4 45880 4 1 4006 60 1
15 G 3/4 45890 3 1 4006 61 1
20 G 1 45900 9 1 4006 62 1
15
MF
G 3/4 45910 8 1 4006 69 1
15 43810 3 1 4004 31 1
20 43830 1 1 4004 32 1
Product
group
1
HERZ-Differential Pressure Overflow Valve
Angle model
One piece metal valve body, nickel-plated,
for screw connection with fl at seal.
Joint elements have to be ordered separately.
10-
2000
10-
2000
15 43820 2 1 4004 41 1
20 43840 1 1 4004 42 1
HERZ-Riser valve assembly for two-pipe radiator systems and decentralized distributed hot water
Model l/h Dim.
4500 FWW
Prefabricated riser in accordance with the
Guidelines of the FWW, including,
- ball valves
- drain cocks
- Strainer
- Differential pressure regulator
- Test points
The differential pressure is constant over the
Differential pressure regulator set at 23 kPa
Nominal pressure: PN 16
Operating temperature:
max. 130 °C for DN 25 and DN 32
max. 110 °C for DN 40 and DN 50
Medium: heating water in accordance
ÖNORM H5195 or VDI guideline 2035.
The use of ethylene, or
Propylene glycol up to a mixing ratio
of 50% is permitted.
40-
1200
40-
1200
300-
4000
500-
6000
DN
4007 FWW
EAN
90 04174
Order
number
Item
1 15 40670 6 1 4500 13 1
5/4 20 40680 5 1 4500 14 1
6/4 25 40690 4 1 4500 15 1
2 32 40700 0 1 4500 16 1
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