Sensors and Systems for combustion technology

Gas Butterfly Control Valve

Gas butterfly control valve and  Ring butterfly control valve
  • Gas butterfly control valve not linear
  • Ring butterfly control valve not linear
  • For all LAMTEC control drives
  • Form-fitted, available on demand
  • Gas family 1, 2 and 3
  • Max. temperature: 60°C
  • Operating pressure: depending on the diameter, 1 bis 6 bar
  • WARNING: The gas butterfly control valve is an inter-flange valve. It must not be used as a shut-off valve.

Type

Gas butterfly control valve

Housing

Iron casting

Butterfly disk

Steel galvanized

Shaft

MS DIN 17660

Seal of the shaft

NBR-O-Ring

operating pressure

6 bar

Differential pressure

DN25..DN50 ⇒ 4bar, DN65..DN100⇒ 2bar, DN125..DN200 ⇒ 1bar

Leakage rate without stop bar

1% approx. of Kvs-value 90°

Quality inspection

EG type approval CE-0085AS0134

Installation

For clamping between flanges according to DIN PN-16

Kv-values

Please refer to Downloads / Technical data sheet

Depending on situation and area of use, LAMTEC offer gas butterfly control valves in different sizes. Depending on acceptable head loss, various opportunities are available for controlling flow rates within aperture angles of up to 90°.

Gas butterfly control valved (*complete with console, coupling, groove pin and mounted on actuator)

Article-No.*

Size

Shaft (mm)

Fits to drive

Drive shaft (mm)

662R2344V6 

DN25 

Ø 10

6Nm 662R2127

Ø 10x25

662R2346V6

DN32 

Ø 10

6Nm 662R2127

Ø 10x25

662R2348V6 

DN40 

Ø 10

6Nm 662R2127

Ø 10x25

662R2350V20 

DN50 

Ø 10

20Nm 662R2111/N

Ø 12x30

662R2352V20

DN65 

Ø 10

20Nm 662R2111/N

Ø 12x30

662R2354V20 

DN80 

Ø 12

20Nm 662R2111/N

Ø 12x30

662R2356V30 

DN100 

Ø 12

31Nm 662R2112

Ø 12x30

662R2358V30 

DN125 

Ø 12

31Nm 662R2112

Ø 12x30

662R2360V40 

DN150 

Ø 15

40Nm 662R2121

Ø 12x30

662R2362V40 

DN200 

Ø 15

40Nm 662R2121

Ø 12x30


Control valves (*complete with console, coupling, groove pin and mounted on actuator)

Article-No.*

Size

Shaft (mm)

Fits to drive

Drive shaft (mm)

662R2360/ES

DN150

Ø 15

30Nm 662R2112 

Ø 12x30

662R2362/ES

DN200 

Ø 15

40Nm 662R2121

Ø 12x30

662R2368/ES

DN350 

Ø 25

50Nm 662R2122

Ø 12x30


Depending on applications, the shown combinations (control valve/actuator) may differ.