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Enolgas Valvole a Sfera Acciaio Valvole a Sfera Acciaio

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

 

Enolgas Cast Topaz caratteristiche

 

  

COMPONENTS

Stanless steel
AISI 316

Carbon steel
1BODYAISI 316   D 1.4408A 105
2BALLAISI 316   D 1.4408AISI 304   D 1.4308
3STEMAISI 316   D 1.4401AISI 304   D 1.4301
4O-RINGFLUOROELASTOMERFLUOROELASTOMER
5PACKING WASHERSAISI 304   D 1.4301AISI 304   D 1.4301
6SPRING WASHERSAISI 301   D 1.431050 CRV4
7OPERATION STOPAISI 304   D 1.4301Carbon steel 8.8
8LOCKING NUTAISI 304   D 1.4301A 105
9LEVER HANDLEAISI 304   D 1.4301A 105
10STEM RETAINING NUTAISI 304   D 1.4301A 105
11STEM PACKINGPTFEPTFE
12THRUST WASHERPTFEPTFE
13BALL SEATSPTFEPTFE
14BODY FLANGEAISI 316   D 1.4408A 105

Characteristics

CHARACTERISTICSSplit-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 CONNECTIONSFlanges to UNI EN 1092-1 and DIN2501
Face to face to DIN3202
WORKING PRESSUREPN16/40 from DN40 to DN80
PN16 in size DN65 e from DN100
TEMPERATURE LIMITSFrom -20° C to +180° C
SPECIAL EXECUTIONSSpecial gaskets:
  • PTFE + CARBO-GRAPHITE: to 210° C
  • PTFE + metallic core 
  • PEEK for high temperature: up to 250° C
  • Cavity filler in PTFE

Stem extensions (50mm and 100mm)
Available on request AISI 304 version
Degreased version
Manual gear-box
ATEX execution on request

Enolgas Cast Topaz caratteristiche

Breaking Torque in Nm
Values in Nm change depending on the application and material of the seats. Always consider a suitable safety factor.

Enolgas Cast Topaz caratteristiche

Pressure/temperature diagram

 

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