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Table 1: Technical data · All pressures in bar (gauge)
Regulator
Red brass body
Connection
Spheroidal graphite iron body
Pressure rating
Liquids
Max. permissible
Non-flammable gases
temperature
Air and nitrogen
Set point range (continuously adjustable)
Leakage class according to IEC 60534-4
Compliance
Max. perm. ambient temperature
With seals made of FKM; without type test (Types 44-3 and 44-9)
1)
Leakage rate = I/bubble-tight applies to EPDM/FKM soft seal.
2)
Special version of Type 44-3 and Type 44-9, without type test
3)
Table 2: Materials · Material numbers according to DIN EN
Enclosure
Seat
Plug
2)
Actuator housing/
intermediate ring
Set point spring
Operating diaphragm
Seals
Special version, e.g. for mineral oils: FKM
1)
K
0.4: stainless steel 1.4305
2)
VS
EB 2623-1 EN
1)
Red brass CC499K
Brass 2.0402 and stainless steel 1.4305 with EPDM soft seal
Red brass CC499K
EPDM with fabric reinforcement
Design and principle of operation
Pressure reducing valve
44-2
Male thread DN 15, 20, 25, 32, 40 and 50
Flanges DN 32, 40 and 50
PN 25
150 °C
80 °C
150 °C
1 to 4 bar
· 2 to 4.2 bar 2.4
3)
to 6.3 bar · 6 to 10.5 bar
≤0.05 % of K
coefficient
VS
·
60 °C
Spheroidal graphite iron EN-GJS-400-18-LT
1.4305
1.4310
1)
EPDM
1)
44-3 (SSV) · 44-9 (SSV)
2)
1)
15
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