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). |
END CONNECTIONS | Flanges to UNI EN 1092-1 and DIN2501 |
WORKING PRESSURE | PN16/40 from DN40 to DN80 |
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