CAST DIAMOND
Industrial valves Diamond series with cast body
Particular version of the DIAMOND series obtained from a cast body instead of a bar. Available in carbon steel (A105), stainless steel (AISI316 and AISI304).
Material specification
|
PARTICOLARI |
Acciaio inox |
Acciaio inox AISI 304 |
Acciaio carbonio | ||
|---|---|---|---|---|---|
| 1 | RETAINING FLANGE | AISI 316 D 1.4408 |
AISI 304 D 1.4308 |
A 105 | |
| 2 | OUTSIDE STATIC RING | PURE GRAPHITE | PURE GRAPHITE | PURE GRAPHITE | |
| 3 | BALL SEATS | PTFE | PTFE | PTFE | |
| 4 | STEM | AISI 316 D 1.4401 |
AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
|
| 5 | O-RING | FLUOROELASTOMER | FLUOROELASTOMER | FLUOROELASTOMER | |
| 6 | PACKING WASHER | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
|
| 7 | SPRING WASHERS | AISI 301 D 1.4310 |
AISI 301 D 1.4310 |
50 CRV4 | |
| 8 | FIXING-NUT-PLAT | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
|
| 9 | LOCKING NUT | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
A 105 | |
| 10 | LEVER HANDLE | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
A 105 | |
| 11 | SCREW FOR OPER. STOP | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
A 105 | |
| 12 | OPERATION STOP | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
A 105 | |
| 13 | STEM RETAINING NUT | AISI 304 D 1.4301 |
AISI 304 D 1.4301 |
A 105 | |
| 14 | UPPER RING | PTFE | PTFE | PTFE | |
| 15 | STEM PACKING | PTFE | PTFE | PTFE | |
| 16 | THRUST WASHER | PTFE | PTFE | PTFE | |
| 17 | BALL | AISI 316 D 1.4408 |
AISI 304 D 1.4308 |
AISI 304 D 1.4308 |
|
| 18 | STATIC GASKET | PTFE | PTFE | PTFE | |
| 19 | BODY | AISI 316 D 1.4408 |
AISI 304 D 1.4308 |
A 105 |
Characteristics
| CHARACTERISTICS | Wafer ball valve heavy series in stainless steel (AISI 316 and AISI 304) and carbon steel (A105). Size range from DN125 to DN200. DN50 and DN80 only available in AISI 316. ISO 5211 mounting holes for actuators. Fire safe according to BS 6755 – API 6FA – API 607. Stem with antistatic device. Metric flange drilling. |
| END CONNECTIONS | Flanges to UNI EN 1092-1 and DIN2501. |
| WORKING PRESSURE | PN16. |
| TEMPERATURE LIMITS | From -20° C to +180° C (AISI316, AISI304 with PTFE seats). From -10° C to +180° C (A105 with PTFE). |
| SPECIAL EXECUTIONS | Special gaskets:
Stem extensions (50mm and 100mm). |
Breaking Torque in Nm
Values in Nm change depending on the application and material of the seats. Always consider a suitable safety factor.
Pressure/temperature diagram
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