Thông tin sản phẩm: DK-LOK VB16
Features
Two-piece chevron PFA stem packing design with compensating spring packing.
Flow Data: Cv are measured at the valve. Therefore restrictions at end connections may reduce flow.
Materials of Construction
|
Components |
Material Grade |
|
|
1 |
Bar Handle |
SS316/ASTM A276 |
|
2 |
Position Pin |
|
|
3 |
Set Screw |
Grade B8 TYPE 304/A193 |
|
4 |
Optional Round Handle |
Nylon with brass insert |
|
5 |
Cap Nut |
SS316/ASTM A276 |
|
6 |
Gland |
|
|
7 |
Spring Packing (2) |
S17700/A693 |
|
8 |
Upper / Lower Gland (2) |
SS316/ASTM A276 |
|
9 |
Chevron Packing (2) |
PFA/D3307 |
|
10 |
Standard Vee Stem |
SS316/ASTM A276 |
|
10.1 |
Optional Soft Stem |
Kel-F (PCTFE) |
|
11 |
Body |
SS316/ASTM A276 |
Ordering Information and Dimensions
|
Ordering Number |
End Connection |
Dimensions, mm(in.) |
H2 |
L |
L1 |
A |
W |
||||
|
Orifice/Cv |
H |
H1 |
|||||||||
|
VB16A- |
D4T-S |
1/4 in. DK-Lok |
3.2 (0.125) Cv 0.21 |
43.1 (1.69) |
10.7 (0.42) |
29.5 (1.16) |
62.5 (2.46) |
39.9 (1.57) |
44.5 (1.75) *36.0 (1.42) |
21.6 (0.85) |
|
|
F4N-S |
1/4 in. Female NPT |
10.7 (0.42) |
25.4 (1.00) |
47.8 (1.88) |
36.6 (1.44) |
||||||
|
M4N-S |
1/4 in. Male NPT |
- |
49.3 (1.94) |
- |
|||||||
|
MF4N-S |
1/4 in. Male |
1/4 in. Female |
26.2 (1.03) |
48.5 (1.91) |
36.6 (1.44) |
||||||
|
VB16B- |
D6T-S |
3/8 in. DK-Lok |
6.4 (0.25)
Cv 0.73 |
58.0 (2.28) |
16.8 (0.66) |
- |
78.2 (3.08) |
- |
64.0 (2.52)
*50.0 (1.97) |
32.0 (1.26) |
|
|
D8T-S |
1/2 in. DK-Lok |
- |
83.8 (3.30) |
- |
|||||||
|
F6N-S |
3/8 in. Female NPT |
- |
63.5 (2.50) |
- |
|||||||
|
F8N-S |
1/2 in. Female NPT |
35.8 (1.41) |
52.3 (2.06) |
||||||||
|
MF6N-S |
3/8 in. Male NPT |
3/8 in. Female NPT |
31.0 (1.22) |
||||||||
|
MF8N-S |
1/2 in. Male NPT |
1/2 in. Female NPT |
35.8 (1.41) |
64.8 (2.55) |
|||||||
|
MF12N8N-S |
3/4 in. Male NPT |
1/2 in. Female NPT |
- |
63.5 (2.50) |
- |
||||||
Pressure-Temperature Ratings
Temperature rating of VB16A & B series with nonrotating Kel-F soft seat -65 to 200 °F (-53 to 93 °C), Vee stem metal seat -65 to 450 °F (-53 to 232 °C).
Non-rotating soft seat for repetitive shut-off on gas
|
ASME Class |
2500 |
|
Material Group |
2.2 |
|
Material |
SS316 |
|
Temperature °F (°C ) |
Working Pressure, psig (bar) |
|
-65 to 100 (-53 to 37) |
6000 (413) |
|
200 (93) |
5160 (355) |
|
250 (121) |
4910 (338) |
|
300 (148) |
4660 (321) |