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INDUSTRIAL VALVES - DIAMOND

Wafer ball valve heavy series in stainless steel and carbon steel. Fire safe BS 6755, API 6FA, API 607. Connection with actuators to ISO 5211. General prescriptions to BS 5351.


DIAMOND
Wafer ball valve heavy series in stainless steel and carbon steel. Fire safe BS 6755, API 6FA, API 607.
Connection with actuators to ISO 5211.
General prescriptions to BS 5351

WORKING PRESSURE
Standard PN 16.
On request PN 25/PN 40.
END CONNECTIONS
Flanges to UNI EN 1092-1.

TEMPERATURE LIMITS
From -20°C to +180°C. (AISI 316, PTFE)
From -10°C to +180°C. (A105, PTFE)

SPECIAL EXECUTIONS
  • Special gaskets available
  • Degreased version
  • DN 125 to DN 200 PN 25/40
  • Special materials available
DATI AGGIUNTIVI
  • STEEL VALVES

CHARACTERISTICS DIAMOND

Size
A mm
B mm
C mm
D mm
E mm
F mm
G mm
H mm
I mm
K mm
L mm
M mm
N mm
P mm
R mm
S mm
T mm
V mm
Z mm
N° holes
PN
ISO FLANGE
weight gr.
DN50
199
117
273
230
94,5
49,5
M16
165
M6
125
85
M16
10
35
50
2,5
16
14
-
4
40
F05
11000
DN65
232
239
372
320
122,5
65
M16
185
M8
145
103
M22
14
55
70
3
19
20,5
-
4
16
F07
17500
DN65
232
139
372
320
122,5
65
M16
185
M8
145
103
M22
14
55
70
3
19
20,5
-
8
40
F07
17300
DN80
249
149
381
320
132,5
78
M16
200
M8
160
122
M22
14
55
70
3
19
20,5
-
8
40
F07
22800
DN100
277
167
448
370
148,5
96
M16
220
M10
180
155
M27
16
70
102
3
22,2
25,3
-
8
16
F10
34500
DN100
284
167
448
370
148,5
96
M20
235
M10
190
155
M27
16
70
102
3
22,2
25,3
-
8
40
F10
39000
DN125
309
181
455
370
166,5
118
M16
255
M10
210
185
M27
16
70
102
3
22,2
25,3
-
8
16
F10
54200
DN125
316
181
455
370
166,5
118
M22
270
M10
220
185
M27
16
70
102
3
22,2
25,3
-
8
40
F10
61720
DN150
396
249
689
584
200
144
M20
295
M12
240
235
M42
26
-
125
-
4
31,5
650
8
16
F12
90570
DN150
396
249
702
584
200
144
M24
295
M12
250
235
M42
26
-
125
-
4
31,5
650
8
40
F12
91900
DN200
475
288
739
584
235
192
M20
365
M12
295
310
M42
26
-
125
-
4
27
650
12
16
F12
177060
DN200
475
288
739
584
235
192
M27
373
M12
320
310
M42
26
-
125
-
4
27
650
12
40
F12
183000



  Breaking Torque in Nm
DN size
50
65
80
100
125
150
200
PN bar
0
35
55
75
150
240
310
600
16
39
59
84,5
168
300
400
800
25
41,5
62,5
92
180
40
44
67
99
195


Nm
d>
Values in Nm
Values in Nm can change depending on the material used for seats, on temperature and on the fluid used. For a safe working of the various sorts of servocontrol, it is necessary to consider a suitable safety factor.

 

Pressure/temperature diagram   Head loss diagram

MATERIAL SPECIFICATIONS DIAMOND


 COMPONENTS   DIAMOND stainless steel   DIAMOND carbon steel
1
  Retaing flang   AISI 316                       D 1.4401   A 105
2
  Outside static ring   Pure graphite   Pure graphite
3
  Ball seats   Virgin P.T.F.E.   Virgin P.T.F.E.
4
  Stem   AISI 316                       D 1.4401    AISI 304                            D 1.4301
5
  O-ring   Fluoroelastomer   Fluoroelastomer
6
  Packing washer   AISI 304                       D 1.4301   AISI 304                             D 1.4301
7
  Spring washers   AISI 301                       D 1.4310   50CrV4
8
  Fixing nut plat   AISI 304                       D 1.4301   AISI 304                             D 1.4301
9
  Locking nut   AISI 304                       D 1.4301   A 105
10
  Lever handle   AISI 304                       D 1.4301   A 105
11
  Screw for oper. stop   AISI 304                       D 1.4301   A 105
12
  Operation stop   AISI 304                       D 1.4301   A 105
13
  Stem retaining nut   AISI 304                       D 1.4301   A 105
14
  Upper ring   Virgin P.T.F.E.   Virgin P.T.F.E.
15
  Stem packing    Virgin P.T.F.E.   Virgin P.T.F.E.
16
  Thrust washer    Virgin P.T.F.E.   Virgin P.T.F.E.
17
  Ball   AISI 316                       D 1.4401
  AISI 304                             D 1.4301
18
  Static gasket    Virgin P.T.F.E.   Virgin P.T.F.E.
19
  Body
  AISI 316                       D 1.4401   A 105
Missing documents