DIAMOND
Diamond: larger sizes, smooth handling
The DIAMOND series by Enolgas Bonomi S.p.A. is the natural continuation of the JADE series for sizes from DN125 to DN200. The series features a ball retaining flange instead of a screwed sleeve like happens for the JADE series. The DIAMOND series is available starting from DN50 as an alternative to the JADE series.
The materials that may be required are: carbon steel (LF2), stainless steel (AISI316 and AISI304).
The DIAMOND series is characterised by the lateral seal in PTFE (on request in other special materials); upper seal in PTFE and O-ring; antistatic device; anti-burst pin; threaded holes; bar body.
The particular coupling between the PTFE gasket and the O-ring at the level of the valve pin, makes the same very soft in its opening and closing manoeuvre, as well as ensuring a high seal even in conditions more severe.
All valves are tested and verified before sale and are guaranteed for 2 years.
Material specification
COMPONENTS | Stanless steel | Stanless steel | Carbon steel | ||
|---|---|---|---|---|---|
1 | RETAINING FLANGE | AISI 316 | AISI 304 | LF2 | |
2 | OUTSIDE STATIC RING | PURE GRAPHITE | PURE GRAPHITE | PURE GRAPHITE | |
3 | BALL SEATS | PTFE | PTFE | PTFE | |
4 | STEM | AISI 316 | AISI 304 | AISI 304 | |
5 | O-RING | FLUOROELASTOMER | FLUOROELASTOMER | FLUOROELASTOMER | |
6 | PACKING WASHER | AISI 304 | AISI 304 | AISI 304 | |
7 | SPRING WASHERS | AISI 301 | AISI 301 | 50 CRV4 | |
8 | FIXING-NUT-PLAT | AISI 304 | AISI 304 | AISI 304 | |
9 | LOCKING NUT | AISI 304 | AISI 304 | A 105 | |
10 | LEVER HANDLE | AISI 304 | AISI 304 | A 105 | |
11 | SCREW FOR OPER. STOP | AISI 304 | AISI 304 | A 105 | |
12 | OPERATION STOP | AISI 304 | AISI 304 | A 105 | |
13 | STEM RETAINING NUT | AISI 304 | AISI 304 | A 105 | |
14 | UPPER RING | PTFE | PTFE | PTFE | |
15 | STEM PACKING | PTFE | PTFE | PTFE | |
16 | THRUST WASHER | PTFE | PTFE | PTFE | |
17 | BALL | AISI 316 | AISI 304 | AISI 304 | |
18 | STATIC GASKET | PTFE | PTFE | PTFE | |
19 | BODY | AISI 316 | AISI 304 | LF2 |
Characteristics
CHARACTERISTICS | Wafer ball valve heavy series from bar in stainless steel (AISI 316 and AISI 304) and carbon steel (LF2). |
END CONNECTIONS | Flanges to UNI EN 1092-1. |
WORKING PRESSURE | PN16/40. |
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