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2/2- Way Angled Metal Body Valve With Engineering Plastic-Piston Actuator.
For On-Off Application (Rust Free Design), Normally Closed Type.
6812M For Flow Over The Seat, 6824M For Flow Under The Seat.
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DATA SHEET
PV-6812M
PV-6824M |
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| SPECIFICATIONS : |
| Sizes |
15 mm (1/2”) to 50 mm (2”). |
| Construction |
6812M-NC-Flow over the seat.
6824M-NC-Flow under the seat. |
| Body and Bonnet |
Standard-Investment casted SS ASTM-A351
CF8
(DIN 1.4301).
Optional-Investment casted SS ASTM
A351 CF8M (DIN 1.4301) (GX6 Cr. Ni MO1810). |
| Pressure Temp. Rating |
As per ANSI Class 300. |
| End Connection |
Standard-BSP(F), Optional-NPT(F)[1], Socket weld[2],
Flange end[5], Spigot end[6]. |
| Seating |
Standard-Soft seated PTFE backed by EPDM.
Optional-VITON/EPDM/Buna Nitrile. |
| Leakage |
As per ANSI B16.104-1976 PTFE seating class VI
Drop Tight/Bubble Tight. |
| Trim |
Standard-SS AISI 304, optional-SS AISI 316. |
| Stem Packing |
Self adjusting, Spring loaded PTFE Packing. |
| Characteristic |
On-Off, Normally Closed. |
| Working Fluid Press. |
Refer to table below. |
| Working Temperature |
On steam-continuous 155°C,
Intermittent 180°C,
EPDM 135°C,
VITON 180°C. |
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| ACTUATOR : |
| Spring Return type Engineering Plastic Pneumatic Actuator. |
| Cylinder, cover, Body & piston |
Glass filled polyamide. |
| Piston Packing |
Buna Nitrile. |
| Actuator Spring |
IS 4454 Grade III, duly painted. |
| Pilot Pressure |
3.5 to 6 bar (refer to AVCON) |
| Solenoid Mounting |
Valve has built in Namur mounting interface, any standard Namur solenoid valve can be fitted. |
| Operating cycles
per hour |
15mm, 20mm, 25mm upto 600cy/hr.
35mm & 50mm upto 500cy/hr.
(tested on
air, on other fluids this figure may
vary). |
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| Air Quality |
Lubricated/Non lubricated. |
Max. Operating
Pressure differential |
Refer to AVCON. |
| Accessories |
Air lock, position indicating
limit switch box, solenoid
valve, filter regulator gauge.
Other accessories available
on application. |
| Application |
For control of air, water, oil, gas,
steam in textile, power generation,
paper & pulp,
chemical, petrochemical
industries, PSA nitrogen system,
air dryer, gas generator and
others. |
| Back Pressure |
Generally all models are suitable for back pressure upto 2.5bar. However for specific application where higher back pressure is excepted, refer to 'AVCON'. |
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| SPECIFICATION TABLE |
Catalogue
Number |
Size
BSP(F) |
Orifice
Size |
Flow Factor
Kv |
Maximum
Pressure |
Inlet Pressure
Over / Under
the seat |
Body Test
Pressure |
Actuator Type |
Air
Consumption |
Weight*
(Approx.) |
| Inch |
mm |
mm |
M³/hr. |
Bar |
Bar |
No. |
liters/cy. |
Kgs. |
| 6812M15X - K51 |
1/2 |
15 |
16 |
4.3 |
12 |
Over |
30 |
K-51 NC |
0.04 |
0.97 |
| 6812M20X - K51 |
3/4 |
20 |
16 |
5.4 |
16 |
Over |
30 |
K-51 NC |
0.06 |
1.18 |
| 6812M25X - K61 |
1 |
25 |
23 |
13.6 |
10 |
Over |
30 |
K-61 NC |
0.16 |
1.83 |
| 6812M30X - K81 |
1 1/4 |
30 |
32 |
31.8 |
10 |
Over |
30 |
K-81 NC |
0.25 |
2.35 |
| 6812M35X - K81 |
1 1/2 |
35 |
34 |
31.8 |
10 |
Over |
30 |
K-81 NC |
0.64 |
3.27 |
| 6812M50X - K81 |
2 |
50 |
45 |
54.8 |
10 |
Over |
30 |
K-81 NC |
0.64 |
3.78 |
| Water Hammer Free Design |
| 6824M15X - K61 |
1/2 |
15 |
16 |
4.3 |
12 |
Under |
30 |
K-61 NC |
0.16 |
1.15 |
| 6824M20X - K61 |
3/4 |
20 |
16 |
5.4 |
10 |
Under |
30 |
K-61 NC |
0.25 |
1.18 |
| 6824M25X - K81 |
1 |
25 |
23 |
13.6 |
19 |
Under |
30 |
K-81 NC |
0.43 |
2.40 |
| 6824M30X - K81 |
1 1/4 |
30 |
32 |
31.8 |
12 |
Under |
30 |
K-81 NC |
0.43 |
2.90 |
| 6824M35X - K121 |
1 1/2 |
35 |
34 |
31.8 |
10 |
Under |
30 |
K-121 NC |
0.92 |
3.80 |
| 6824M50X - K121 |
2 |
50 |
45 |
54.8 |
7 |
Under |
30 |
K-121 NC |
0.92 |
4.95 |
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| *Weight of Screwed end valves. For other models refer Avcon. |
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