Thông tin sản phẩm: DK-LOK V46A
Features
● Packing bolt permits packing adjustment externally.
● Chevron PTFE packing design provides far improved sealing integrity.
● Packing below stem threads is to isolate threads
from system fluid and lubricant washout.
● Non-rotating stem tip at closure for long-life and leak-tight shutoff.
● Lock plate ensures the valve fastened to the body.
● NACE MR0175/ISO 15156-3 applicable
Pressure-Temperature Ratings
|
Body Material |
Packing material |
Temperature Rating |
Pressure Rating @ 38 C (100 F) |
Pressure Rating @ Max. Temp. |
|
Stainless steel |
PTFE |
- 54 to 232 °C (-65 to 450 °F) |
689 bar (10 000 psig) |
285 bar@232 °C 4130 psig@450 °F |
|
Grafoil |
-54 to 648 °C (-65 to 1200 °F) |
118 bar@648 °C 1715 psig @ 1200 °F |
||
|
Carbon steel |
PTFE |
- 29 to 176 °C (-20 to 350F) |
689 bar (10 000 psig) |
360 bar @ 176 °C (5230 psig @ 350 °F) |
|
Grafoil |
- 29 to 176 °C (-20 to 350°F) |
Materials of Construction
|
Component |
Valve Body Materials |
|
|
Stainless Steel |
Carbon steel |
|
|
Grade/ASTM Specification |
||
|
1. Handle |
Stainless Steel |
Carbon steel |
|
2. Set screw |
SS316/A276 or A479 |
Carbon steel |
|
3. Packing bolt |
C.Steel/JIS G4051 |
|
|
4. Lock nut |
||
|
5. Upper gland |
SS316/A276 or A479 |
|
|
6. Packing |
Standard chevron PTFE packing. Optional Grafoil. |
|
|
7. Lower gland |
SS316/A276 or A479 |
SS316/A276 or A479 |
|
8. Bonnet |
C.Steel/JIS G4051 |
|
|
9. Stem |
SS316/A276 or A479 |
|
|
10. Non-rotating stem disc |
SS630/A564 |
|
|
11. Lock bolt |
Stainless steel |
|
|
12. Lock plate |
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|
13. Body |
SS316/A276 or A479 |
C.Steel/ JIS G4051, White zinc galvanized. |
Ordering Information and Dimensions
|
Basic Ordering No. |
End Connection |
Orifice in. (mm) |
CV |
Dimensions inch (mm) |
|||||||
|
Inlet |
Outlet |
L |
L1 |
L2 |
Hex |
D |
O |
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|
V46A- |
F4N- |
1/4 Female NPT |
0.185 (4.7) |
0.83 |
3.00 (76.2) |
1.50 (38.1) |
1.50 (38.1) |
1.25 (31.75) |
2.52 (64.0) |
3.48 (88.5) |
|
|
F6N- |
3/8 Female NPT |
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|
F8N- |
1/2 Female NPT |
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|
MF8N- |
1/2 Male NPT |
1/2 Female NPT |
3.50 (88.9) |
2.21 (56.1) |
1.29 (32.8) |
||||||
|
MF12N8N- |
3/4 Male NPT |
1/2 Female NPT |
2.00 (50.8) |
1.50 (38.1) |
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