Product Description
Needle valves control fluid movement accurately, hence the name flow control valve.
When the handle is turned on and the stem is being rotated, the needle rises up from the seat and fluid flows through. This allows maximum accuracy as the tiniest change of the needle will affect the fluid movement.
The design of the seat and needle helps to avoid any gap for the fluid movement when the needle is put into place.
Dimension
Item |
DN |
Td |
H |
L |
L1 |
N |
HY-MFNV(1)-1/4 |
DN6 |
G1/4 |
75 |
58 |
75 |
60 |
HY-MFNV(1)-3/8 |
DN10 |
G3/8 |
75 |
58 |
78 |
60 |
HY-MFNV(1)-1/2 |
DN15 |
G1/2 |
80 |
62 |
66 |
60 |
HY-MFNV(1)-1/2 |
DN20 |
G3/4 |
80 |
57 |
70 |
60 |
Main Parts
No. |
Part Name |
Material |
1 |
Handle |
316/304 |
2 |
Stem Nut |
316/304 |
3 |
Stem |
304 |
4 |
Body |
316/304 |
5 |
Needle |
316/304 |
6 |
Stem Packing |
PTFE |
Product details