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Design and principle of operation
Table 3-4: Dimensions in mm/in · Weights in kg/lb
Regulator
Length L
Width across flats
SW
Height H1
4)
Height H2
Ø spring housing
Weight, approx.
Face-to-face dimensions according to ANSI/ISA 75.08.01
1)
NPT in Class 300 (A351 CF8M)
2)
NPS in Class 150 (A351 CF8M)
3)
Dimensions in parentheses apply to values with 8 to 20 bar/120 to 290 psi set point range
4)
Red brass CC499K
5)
Stainless steel·1.4408/A351 CF8M
6)
Spheroidal graphite iron EN-GJS-400-18-LT
7)
3-8
DN
G/NPT
NPS
mm
G · NPT
1) 2)
in
DN
mm
mm
NPS
1) 3)
in
G
mm
NPT
in
G
mm
5)
mm
· NPT
G
6)
2) 6)
in
DN
mm
6) 7)
mm
NPS
3) 6)
in
G · DN
mm
NPT
in
2)
G · DN
mm
NPT · NPS
in
kg
Body with
screwed ends
lb
kg
Flanged body
lb
15
–
½
¾
½
–
65
75
2.6
3.0
130
–
184
–
7.2
–
34
34
1.3
1.3
130 (170)
155 (205)
6.1 (8.1)
155 (205)
–
155 (205)
–
6.1 (8.1)
–
46
46
1.8
1.8
3.5
1.0
1.1
2.2
2.4
2.6
–
5.7
–
25
40
1
–
1
–
90
–
3.5
–
160
200
184
–
7.2
–
46
–
1.8
–
–
–
–
155 (205)
245 (290)
155 (205)
–
6.1 (8.1)
–
46
95
1.8
–
90
–
1.5
–
3.3
–
4.2
7.0
9.3
–
EB 2626-1 EN
50
–
–
–
–
230
–
–
–
–
–
–
–
245 (290)
–
–
95
–
–
–
–
8.0
–
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