Ex p Control unit
SILAS
pz
Installation
Rev. 0
A1-37S2-7D0001_pz_Manual_Exp-Control-Unit_20210923_0_en.docx
Page 27 of 88
Version G1/2”
The G1/2" purge gas supply version is applicable up to a
protected volume of > 300 liters.
The assembly of the purging gas supply must be installed carefully. To ensure
that the screwed parts are tight, they can be sealed by means of a Teflon® tape.
Care must be taken to prevent the penetration of foreign particles during
assembly.
Procedure:
Make a 21-mm-diameter borehole at the mounting position provided for
that purpose in the pressurized enclosure (6).
Mount the G1/2
″
pressure reducer (7) onto the pressurized enclosure
using the reducing sleeve (4) and the sealing washers (5).
Screw the detachable double threaded nipple (3) into the reducing sleeve
(4).
Screw the purge gas valve (2) onto the detachable double threaded nipple
(3).
Screw in the purge gas nozzle (1) at the purge gas valve outlet (2).
Item
Designation
Comment
(1)
Purge gas nozzle
Included in delivery (2)
(2)
Purge gas valve
(3)
Detachable double threaded
nipple G3/8“
Included in delivery (7)
(4)
Reducing sleeve G3/8“i / G1/2“o
Included in delivery (7)
(5)
Sealing washer
Included in delivery (7)
(6)
Pressurized enclosure
(7)
Pressure reducer G1/2“
