L2720 pages

SOLENOID VALVE
2/2- NO (Normally open)
Direct acting
G 1/8

L272

GENERAL FEATURES
Direct acting solenoid valve.
Suitable to shut off liquid and gaseous fluids (verify the compatibility
of fluid with material in contact).

COIL
Approval

TECHNICAL FEATURES
Maximum allowable pressure (PS)
Opening time
Closing time
Fluid temperature
Max viscosity

Insulation class
Ambient temperature
Continuous duty
Electric connection

ZB10A
/
PA
fiberglass
reinforced

Encapsulation material

50bar
10ms
10ms
0°C +130°C
5°E (37 cStokes or mm2/s)

Voltages

ZB14A
UL and CSA
PET

fiberglass
reinforced

fiberglass
reinforced

F (155°C)
-10°C +60°C

F (155°C)
H (180°C)
-10°C +60°C
-10°C +75°C
ED 100%
DIN 46340 - 3 poles plug connector
IP 65
IP 67
IP 67

(EN 60529) with
plug connector

Protection degree

MATERIALS IN CONTACT WITH FLUID
Body
Brass
Sealing
FPM
Internal components
Stainless steel
Seat
Brass
Core tube
Stainless steel
Shading coil
Copper

ZB12A
UL and CSA
PET

DC
AC

(EN 60529) with (EN 60529) with
plug connector plug connector

12-24V (+10% -5%)
24V/50-60Hz - 115V/50Hz - 230V/50-60Hz
(+10% -15%)
(Other voltages and frequencies on request).

Power absorption

Differential pressure (bar)
Series and type
Port size
ISO 228

Orifice
size
(mm)

Δp max
Δp
min

Gases

Liquids

1,2

0

DC
Inrush
Valve

AC
G1/8

AC (VA)

Kv
(m3/h)

DC

AC

10

10

10

VA
0,05

L272V03

Notes

Weight
(kg)

FPM

1

0,160

Coil

DC

10

Sealings

Holding

ZB10A
ZB12A

VA

W

W

12

6

4

5,5

- On request: - version with manual override: L272V01
- sealings in EPDM (Ethylene-propylene elastomer): L272D03
- body valve in stainless steel AISI 316: L272V07
- body valve with special surface treatments
- coil in class H (ZB14A – see § “COIL” )
- grease/oil free versions
1 – ZB12 and ZB14 coils fitted with sealing gaskets underneath and on the upper part (see sectional view on the back)

SIRAI® - BUSSERO (MI) – Italy - www.sirai.com

0903/1104

NOTES
- Sealings: FPM = Fluoro-carbon elastomer