Installation
Ex p Control unit
SILAS
pz
Page 28 of 88
A1-37S2-7D0001_pz_Manual_Exp-Control-Unit_20210923_0_en.docx
Rev. 0
Version G1/4” (Dust application)
For dust applications, there is no purge phase in a pressurized
enclosure and only positive overpressure is applied. Therefore,
no purge gas valve is present.
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 17-mm-diameter borehole at the mounting position provided for
that purpose in the pressurized enclosure (4).
Mount the reducing sleeve (5) with sealing washers (3) using the G3/8”nut
(2) in the pressurized enclosure.
Screw in the adjustable purge gas nozzle (1) into the reducing sleeve (5)
inside the pressurized enclosure (4).
Screw the detachable double threaded nipple (6) into the reducing sleeve
(5).
Screw the G1/4
″
pressure reducer (7) onto the detachable double
threaded nipple (6).
Item
Designation
Comment
(1)
Adjustable purge gas nozzle
(2)
G3/8”nut
(3)
Sealing washer
Included in delivery (7)
(4)
Pressurized enclosure
(5)
Reducing sleeve G 1/4”i / G3/8”a
Included in delivery (7)
(6)
Detachable double threaded
nipple G1/4”
Included in delivery (7)
(7)
Pressure reducer G1/4”
