CAST TOPAZ
Industrial valves Topaz series with cast body
Series of valves of the TOPAZ range obtained from cast body instead of bar. The materials available are: carbon steel (A105) and stainless steel (AISI316).
Material specification
COMPONENTS | Stanless steel | Carbon steel | ||
|---|---|---|---|---|
| 1 | BODY | AISI 316 D 1.4408 | A 105 | |
| 2 | BALL | AISI 316 D 1.4408 | AISI 304 D 1.4308 | |
| 3 | STEM | AISI 316 D 1.4401 | AISI 304 D 1.4301 | |
| 4 | O-RING | FLUOROELASTOMER | FLUOROELASTOMER | |
| 5 | PACKING WASHERS | AISI 304 D 1.4301 | AISI 304 D 1.4301 | |
| 6 | SPRING WASHERS | AISI 301 D 1.4310 | 50 CRV4 | |
| 7 | OPERATION STOP | AISI 304 D 1.4301 | Carbon steel 8.8 | |
| 8 | LOCKING NUT | AISI 304 D 1.4301 | A 105 | |
| 9 | LEVER HANDLE | AISI 304 D 1.4301 | A 105 | |
| 10 | STEM RETAINING NUT | AISI 304 D 1.4301 | A 105 | |
| 11 | STEM PACKING | PTFE | PTFE | |
| 12 | THRUST WASHER | PTFE | PTFE | |
| 13 | BALL SEATS | PTFE | PTFE | |
| 14 | BODY FLANGE | AISI 316 D 1.4408 | A 105 |
Characteristics
| CHARACTERISTICS | Split-body ball valve cast version in stainless steel (AISI 316) and carbon steel (LF2). Size range from DN25 to DN150. ISO 5211 mounting holes for actuators. Stem with antistatic device. Fire safe according to BS 6755 – API 6FA – API 607 General prescription according to BS EN ISO 17292: 2004 |
| END CONNECTIONS | Flanges to UNI EN 1092-1 and DIN2501 Face to face to DIN3202 |
| WORKING PRESSURE | PN16/40 from DN40 to DN80 PN16 in size DN65 e from DN100 |
| TEMPERATURE LIMITS | From -20° C to +180° C |
| 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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