18
EB 3135-1 EN
Design and principle of operation
Table 2:
Materials · Material numbers according to DIN EN
Body
Red brass CC499K (Rg 5) · Spheroidal graphite iron EN-GJS-400-18-LT
1)
Seat
Stainless steel 1.4305
Plug
PN 25
Brass, resistant to dezincification, with EPDM soft seal
2)
PN 16
Brass, resistant to dezincification and plastic with EPDM soft seal
Diaphragm case
PN 25
Red brass CC499K (Rg 5) · Spheroidal graphite iron EN-GJS-400-18-LT
1)
PN 16
Stainless steel 1.4301
Valve spring
Stainless steel 1.4310
Restriction
Brass, free of dezincification
Operating diaphragm
EPDM
2)
with fabric reinforcement
Seals
EPDM
2)
Type 5824, Type 5825, Type 5857 and TROVIS 5757-x Electric Actuators
Housing
Plastic (PPO with glass fiber reinforcement)
Coupling nut
Brass
1)
Additional version in DN 32 to 50: valve with flanged body made of spheroidal graphite iron
2)
Special version, e.g. for mineral oils: FKM
Table 3:
Technical data ∙ Electric actuators
Electric actuator
Without fail-safe action
With fail-safe action
Type 5824-…/
TROVIS 5724-…
1)
Type 5825-…/TROVIS 5725-…/
TROVIS 5725-7
1)
10
20
10
20
Rated travel
Valve DN 15 to 25
6 mm
–
6 mm
–
Valve DN 32 to 50
–
12 mm
–
12 mm
Transit time for rated travel
2)
35 s
70 s
35 s
70 s
Transit time for fail-safe action
–
4 s
8 s
Thrust
700 N
–
Nominal thrust of safety spring
–
500 N
Supply voltage
230 V, 50 Hz (24 V, 50/60 Hz; 24 V DC)
Power consumption
Approx. 3 VA
Approx. 3 VA +1 VA
Manual override
Yes
Possible
3)
1)
TROVIS 57xx only with 230 V/50 Hz
2)
Shorter transit times on request
3)
Manual override using 4 mm Allen key (after removing the cover); actuator always returns to fail-safe position
after release.
4)
With intermediate insulating piece (item no. 1992-3132)
