Mounting The Pressure Relief Valve; Connection For Pressure Gauge - Bitzer K033N Série Mode D'emploi

Clean the pipes
Use only pipelines and system components which are
• clean and dry inside (free from slag, metal filings,
rust and phosphate coatings) and
• which are delivered with an air-tight seal.
1/2"-14 NPTF
SW 12
1 1/4"-12 UNF
366 005 01
Fig. 1: Adaptors for the pressure relief valve
4.7.2

Connection for pressure gauge

Only use it for maintenance work, not during operation.
Never connect a pressure limiter to it!
8
G 1/2
SW 22 SW 22
1 1/4"-12 UNF
366 005 02
4.7.1

Mounting the pressure relief valve

Internal thread 3/8-18 NPTF: Screw in the pressure re-
lief valve.
External thread 1 1/4-12 UNF: Screw the pressure re-
lief valve into the adaptor. Then fasten the adaptor at
the pressure vessel with the union nut.
Available adaptors see figure 1, page 8.
1/2"-14 NPTF
1 1/4"-12 UNF 1 1/4"-12 UNF
366 005 03
G 1/2 3/8"-18 NPTF
SW 12 SW 22
1 1/4"-12 UNF
366 005 04 366 005 05
DB-200-5