UNI Geräte EVF Series, Руководство по эксплуатации и монтажу

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Operating and mounting manual (translation)
EVF
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220.100.112-07 Page 5 /13 Version: 12/2015
TM 3926
3.2 Storage
If the valve is not installed immediately after delivery, it must be stored properly.

Storage temperature -20°C up to +60°C, dry and clean.

The lacquering protects against corrosion in neutral dry atmosphere. Do not damage colour.

In humid rooms, a drying agent or a heating resp. is necessary because of condensation of
water.
Requirements according to DIN 7716 (products made of caoutchouc and rubber) must be met.
3.3 Handling before mounting

In case of valve with protection caps, they must be removed before being mounted!

Protect against atmospheric influences such as humidity.

Appropriate treatment protects against damage.
4.0 Product Description
The UNI-Geräte Gas-solenoid valves of the series 40/55-EVF…NH.Ü.. are directly controlled
currentless closed shut-off valves with fast shut-off function as per DIN EN 13611, DIN 3394-1 and
DIN EN 16678 with solenoid valve.
Sectional drawing 11.1 Fig. in Fig. 1 show the valve construction.
4.1 Function
On switching on of the solenoid drive (800) the solenoid core (207) is pulled against the upper part of
housing (106). The pressure spring (503) is further prestressed and the valve disk (200) opens the
valve cross section. The valve is open.
On shutting off, supply interruption or supply failure the valve closes to the solenoid drive. The valve
disk (200) closes due to the pre-stress of the pressure spring (503). The valve is closed.
4.2 Technical data
Opening times: 0,3 – 0,7s
Closing times:

1s
Solenoid –drive types MG...
Flange DN
Flange ANSI
15
(5N)
1/2
20
(7N)
3/4
25
(10N)
1
32
(12N)
1 1/4
40
(15N)
1 1/2
50
(20N)
2
40-EVF…NH.Ü.Av… 019A1 019A1 019A2 - - -
55-EVF…NH.Ü.Av… 019A2 - 019A3 - - -
Drive types with “Av” consist of pickup and holding winding
Max. valve loading by pipe power
The indicated moments may not work longer than 10s.
DN 8 10 15 20 25 32 40 50 65 80 100 125 150
Torsion Nm 80 35 50 86 125 160 200 250
1)
325
1)
400
1)
- - -
Bending Nm 35 70 105 225 340 475 610 1100 1600 2400 5000 6000 7600
1)
Not valid in case of valves with flanges
Starting torque, pipe screws greased
DN 8 10 15 20 25 32 40 50 65 80 100 125 150
Torque Nm 20 30 30 30 30 50 50 50 50 50 80 160 160
Starting torque, product screws and nuts greased
Screw M6 M8 M10 M12 M16 M20 M24
Torque Nm 5 11 22 39 70 110 150