PREMANT district heating pipe
Ball valve
Width across flats
PRE 6.330
L
Dimensions depending on type of ball valve
Nominal width
DN
20***
25
32
40
50
65
80
100
125
150
200
250
300
350
400
500
600
700
800
Steel pipe
d
mm
26.9
33.7
42.4
48.3
60.3
76.1
88.9
114.3
139.7
168.3
219.1
273.0
323.9
355.6
406.4
508.0
610.0
711.0
813.0
Insulation thickness 1
D
mm
90
90
110
110
125
140
160
200
225
250
315
400
450
500
560
710
800
900
1000
Insulation thickness 2
D
mm
110
110
125
125
140
160
180
225
250
280
355
450
500
560
630
800
900
1000
1100
Insulation thickness 3
D
mm
125
125
140
140
160
180
200
250
280
315
400
500
560
630
710
900
1000
1100
1200
Standard length* Height Wrench size**
L
H
WS
mm
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1800
1800
1800
1800
on request
on request
on request
mm
540
19
540
19
550
19
560
19
560
19
570
19
580
19
580
27
600
27
620
27
580
50
560
50
610
50
610
50
770
50
790
50
-
-
-
Instructions on installation, operation and maintenance as per sheet PRE 6.325
For accessories, see sheet PRE 6.335
* Length for standard ball valves
** Square socket key see sheet PRE 6.335
*** Ball valve DN 25 reduced to DN 20
23.5.2023 BGP
Subject to technical changes
D
d
d
1
H
