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Home > Pneumatic On/Off Valves > Pneumatic Cylinder Valves > 6412B |
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3/2-Way Pneumatic Piston Operated
Mixing or Diverting Valves
With Cylinder Actuator, For On-Off Application
(Rust Free Design) |
DATA SHEET
6412 B |
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| SPECIFICATIONS : |
| Sizes |
15MM (1/2”) to 50mm (2”). |
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| CONSTRUCTION : |
| Body and End Piece |
Investment casted ASTM-A,
351CF8 (St.St. 304)/CF8M
(St.St. 316). |
| Pressure Temperature Rating |
As per ANSI class 300. |
| End Connections |
Standard BSP(F)/NPT(F) |
| Seating |
Metal to Metal backed by
specially compounded Teflon. |
| Leakage |
As per ANSI B16.104 - 1976
Teflon seating class IV. |
| Trim |
S.S. AISI 400. |
| Stem Packing |
Self adjusting, spring loaded
Teflon packing. |
| Characteristics |
On-off, normally closed/normally
open. |
| Working Fluid Pressure |
Refer to table below. |
| Working Temperature |
On steam-continuous 180°C
Intermittent 205°C. |
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| ACTUATOR |
| Spring return type, high duty Pneumatic Cylinder Actuator. |
| Cylinder Cover |
S.S. AISI 304 Investment casted. |
| Piston & Yoke |
ASTM A216 WCB Investment
casted and plated. |
| Piston Packing |
Spring loaded Teflon seal. |
| Actuator Spring |
IS 4454 Grade III, duly painted.. |
| Actuator Working |
3.5 to 6 bar. |
| Signal Pressure |
(Main line pressure dependent). |
| Operating Cycles per hour |
15mm, 20mm, 25mm upto 600
cy/hr. 35mm and 50mm upto 300
cy/hr. (tested on air, on other
fluids, this figure may vary). |
| Life Expectancy |
Over one million cycles (lab
tested in ideal condition). |
| Air Quality |
Lubricated/Non-lubricated or non corrosive gas. |
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| Accessory |
Air lock, Solenoid Valve, Filter
Regulator Gauge. Other
accessories available on
application. |
| Application |
For control of steam, air, hot
water, oil, gas, hydraulic oil.
specially where heavy duty
operations are called for,
specially for tyre & tube
building presses, power
generation, atomic energy,
chemical & petrochemical
plants, PSA nitrogen system,
air and gas dryers, gas
generators and others. |
| Back Pressure |
Refer to AVCON. |
| Instruction Manual |
Refer to IM 6412B. |
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| SPECIFICATION TABLE |
Catalogue
Number |
Size
BSP(F) |
Orifice
Size Ø |
Flow Factor
Kv |
Maximum Working Pressure |
Safe Working
Pressure |
Actuator
Type |
Air
Consumption |
| Air/Gas |
Hot Water |
Steam |
| Inch |
mm |
mm |
M³ /hr. |
bar |
bar |
bar |
bar |
Cy |
litres/cy |
| 6412 B 15 |
1/2 |
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13 |
2.8 |
21 |
16 |
16 |
32 |
68 |
0.032 |
| 6412 B 20 |
3/4 |
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15 |
4.3 |
21 |
16 |
16 |
32 |
85 |
0.057 |
| 6412 B 25 |
1 |
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19 |
7.0 |
21 |
16 |
16 |
32 |
110 |
0.152 |
| 6412 B 35 |
1½ |
|
34 |
22.7 |
21 |
16 |
16 |
32 |
150 |
0.352 |
| 6412 B 50 |
2 |
|
45 |
36.0 |
21 |
16 |
16 |
32 |
180 |
0.636 |
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OPERATION:
Valve Type 6412B - In normal condition passage
between ‘A’ and ‘AB’ port is closed. On
introduction of air in the actuator ‘A’ port is
connected to ‘AB’ or ‘AB’ port is connected to ‘A’. |
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| DIMENSIONS (IN MM) |
Catalogue
Number |
SIZE |
A |
B |
C |
DØ |
Weight Kgs |
| Inch |
mm |
| 6412 B 15 |
1/2 |
15 |
85 |
50 |
160 |
100 |
2.750 |
| 6412 B 20 |
3/4 |
20 |
110 |
66 |
195 |
125 |
5.250 |
| 6412 B 25 |
1 |
25 |
120 |
72 |
265 |
152 |
9.500 |
| 6412 B 35 |
1½ |
35 |
150 |
91 |
305 |
195 |
16.500 |
| 6412 B 50 |
2 |
50 |
190 |
100 |
425 |
223 |
23.500 |
| * OPEN TOLERANCE ± 3 MM ALL OVER. |
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| FLOW DIAGRAMS |
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* for Normally open design ask AVCON for details. |
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| Note: |
Technical specifications details & dimensions are subject to change without prior notice.
Dimensions in the table are approximate subject to final confirmation by AVCON. |
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