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Enolgas Valvole a Sfera Acciaio Valvole a Sfera Acciaio

CAST DIAMOND

Industrial valves Diamond series with cast body

Particular version of the DIAMOND series obtained from a cast body instead of a bar. Available in carbon steel (A105), stainless steel (AISI316 and AISI304).

Material specification

 

Enolgas Cast Diamond caratteristiche

 

  

PARTICOLARI

Acciaio inox
AISI 316

Acciaio inox
​AISI 304

Acciaio carbonio

 

1

RETAINING FLANGE

AISI 316
D 1.4408

AISI 304
D 1.4308

A 105

 

2

OUTSIDE STATIC RING

PURE GRAPHITE

PURE GRAPHITE

PURE GRAPHITE

 

3

BALL SEATS

PTFE

PTFE

PTFE

 

4

STEM

AISI 316
D 1.4401

AISI 304
D 1.4301

AISI 304
D 1.4301

 

5

O-RING 

FLUOROELASTOMER

FLUOROELASTOMER

FLUOROELASTOMER

 

6

PACKING WASHER

AISI 304
D 1.4301

AISI 304
D 1.4301

AISI 304
D 1.4301

 

7

SPRING WASHERS

AISI 301
D 1.4310

AISI 301 
D 1.4310

50 CRV4

 

8

FIXING-NUT-PLAT

AISI 304
D 1.4301

AISI 304
D 1.4301

AISI 304
D 1.4301

 

9

LOCKING NUT

AISI 304
D 1.4301

AISI 304
D 1.4301

A 105

 

10

LEVER HANDLE

AISI 304
D 1.4301

AISI 304
D 1.4301

A 105

 

11

SCREW FOR OPER. STOP

AISI 304
D 1.4301

AISI 304
​​​​​​​D 1.4301

A 105

 

12

OPERATION STOP

AISI 304
​​​​​​​D 1.4301

AISI 304
​​​​​​​D 1.4301

A 105

 

13

STEM RETAINING NUT

AISI 304
D 1.4301

AISI 304
​​​​​​​D 1.4301

A 105

 

14

UPPER RING

PTFE

PTFE

PTFE

 

15

STEM PACKING

PTFE

PTFE

PTFE

 

16

THRUST WASHER

PTFE

PTFE

PTFE

 

17

BALL

AISI 316
D 1.4408

AISI 304
D 1.4308

AISI 304
D 1.4308

 

18

STATIC GASKET

PTFE

PTFE

PTFE

 

19

BODY

AISI 316
D 1.4408

AISI 304
D 1.4308

A 105


Characteristics

CHARACTERISTICS

Wafer ball valve heavy series in stainless steel (AISI 316 and AISI 304) and carbon steel (A105).
Size range from DN125 to DN200.
DN50 and DN80 only available in AISI 316.
ISO 5211 mounting holes for actuators.
Fire safe according to BS 6755 – API 6FA – API 607.
Stem with antistatic device.
Metric flange drilling.

END CONNECTIONS

Flanges to UNI EN 1092-1 and DIN2501.

WORKING PRESSURE

PN16.

TEMPERATURE LIMITS

From -20° C to +180° C (AISI316, AISI304 with PTFE seats).
From -10° C to +180° C (A105 with PTFE).

SPECIAL EXECUTIONS

Special gaskets:

  • PTFE + glass-fiber: from -20° C to +195° C (stainless steel versions).
  • PTFE + CARBO-GRAPHITE: to 210° C.
  • PTFE + metallic core.
  • PEEK for high temperature: up to 250° C.

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

Enolgas Cast Diamond 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 Diamond caratteristiche

Pressure/temperature diagram

 

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