|
Forged
Steel Globe, Gate & Lift Check Valve |
|
Bolted
Bonnet out side screw and yoke Construction. Stem of
13% cr steel, heat treated and
fine finish to avoid damage of the packing. Body
Bonnet Gasket is fully encapsulated
that eliminate the Chance of direct line pressure or
leakage of Body Bonnet. |
|
|
|
|
| Material
of Construction |
| No. |
Part
Name |
Part's
Sr.No. |
Standard
Material |
| 1. |
Body
/ Bonnet |
1,2 |
Forged
Steel A 105 |
| 2. |
Seat
Ring / Plug /
Wedge / Spindle |
3,4,5 |
ASIS
410 |
| 3. |
Gasket |
6 |
Sprial
Wound Metallic |
| 4. |
Gland
Packing |
7 |
Metallic
Wire Reinforced
Graphite Asbestos |
| 5. |
Head
Bolts & Nuts |
8 |
A193
B7/A 194 2H steel |
| 6. |
Yoke
Nut / Sleeve |
9 |
Ni
Resist |
| 7. |
Hand
Wheel |
10 |
Malleable
Iron |
|
| Test
Pressures |
| Class |
Test |
Medium |
Pressure |
| PSI |
BAR |
| 800 |
Body |
Water |
3000 |
107 |
| Seat
Leak |
Air |
57-86 |
4-6 |
Back
Seat |
Water |
1100 |
152 |
| 1500 |
Body |
Water |
5625 |
388 |
| Seat
Leak |
Air |
57-86 |
4-6 |
| BackSeat |
Water |
4125 |
285 |
|
|
Butterfly
Valves can be supplied with factory fitted
pneumatics,
hydraulic or electrical actuators etc. |
|
