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
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:
  • 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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