
Details of changes to the piping size for connection to the
Switch Box
are shown below.
HCHM-N04X
Unit:
mm
(inch)
Piping Connection
Size for
Switch Box
Required
Pipe
Size
Field-Supplied
Remarks
Low
Pressure
Gas
Pipe
(A)
ɸ25.4
(1)
f
19.05
(3/4)
OD25.4
(1)
→ ID19.05
(3/4)
Apply
Field-Supplied
Reducer
(2
Size
Down)
ɸ22.2
(7/8)
OD25.4
(1)
→ ID22.2
(7/8)
Apply
Field-Supplied
Reducer
ɸ25.4
(1)
-
-
ɸ28.58
(1-1/8)
OD25.4
(1)
→ ID28.58
(1-1/8)
Apply
Field-Supplied
Reducer
High/Low
Pressure
Gas
Pipe
(B)
ɸ22.2
(7/8)
ɸ12.7
(1/2)
OD22.2
(7/8)
→ ID12.7
(1/2)
Apply
Field-Supplied
Reducer
(3
Size
Down)
f
15.88
(5/8)
OD22.2
(7/8)
→ ID15.88
(5/8)
Apply
Field-Supplied
Reducer
(2
Size
Down)
f
19.05
(3/4)
OD22.2
(7/8)
→ ID19.05
(3/4)
Apply
Field-Supplied
Reducer
ɸ22.2
(7/8)
-
-
Liquid
Pipe
(C)
ɸ12.7
(1/2)
f
9.52
(3/8)
OD12.7
(1/2)
→ ID9.52
(3/8)
Apply
Field-Supplied
Reducer
ɸ12.7
(1/2)
-
-
HCHM-N08X
Unit:
mm
(inch)
Piping Connection
Size for
Switch Box
Required
Pipe
Size
Field-Supplied
Remarks
Low
Pressure
Gas
Pipe
(A)
ɸ28.58
(1-1/8)
f
19.05
(3/4)
OD28.58
(1-1/8) →
ID19.05
(3/4)
Apply
Field-Supplied
Reducer
(3
Size
Down)
ɸ22.2
(7/8)
OD28.58
(1-1/8) →
ID22.2
(7/8)
Apply
Field-Supplied
Reducer
(2
Size
Down)
ɸ25.4
(1)
OD28.58
(1-1/8) →
ID25.4
(1)
Apply
Field-Supplied
Reducer
ɸ28.58
(1-1/8)
-
-
f
34.93
(1-3/8)
OD28.58
(1-1/8) →
ID34.93
(1-3/8)
Apply
Field-Supplied
Reducer
High/Low
Pressure
Gas
Pipe
(B)
ɸ22.2
(7/8)
f
15.88
(5/8)
OD22.2
(7/8)
→ ID15.88
(5/8)
Apply
Field-Supplied
Reducer
(2
Size
Down)
f
19.05
(3/4)
OD22.2
(7/8)
→ ID19.05
(3/4)
Apply
Field-Supplied
Reducer
ɸ22.2
(7/8)
-
-
ɸ25.4
(1)
OD22.2
(7/8)
→ ID25.4
(1)
Apply
Field-Supplied
Reducer
ɸ28.58
(1-1/8)
OD22.2
(7/8)
→ ID28.58
(1-1/8)
Apply
Field-Supplied
Reducer
(2
Size
Up)
Liquid
Pipe
(C)
ɸ12.7
(1/2)
f
9.52
(3/8)
OD12.7
(1/2)
→ ID9.52
(3/8)
Apply
Field-Supplied
Reducer
ɸ12.7
(1/2)
-
-
f
15.88
(5/8)
OD12.7
(1/2)
→ ID15.88
(5/8)
Apply
Field-Supplied
Reducer
f
19.05
(3/4)
OD12.7
(1/2)
→ ID19.05
(3/4)
Apply
Field-Supplied
Reducer
(2
Size
Up)
16
Содержание HCHM-N04X
Страница 3: ......