Forged Brass Needle Valves
The Valve Inc. line of Brass Needle Valves(52 Series) are Precision Metering Valves offering extremely precise flow control of gases or liquids with a working pressure up to 3000 psi for brass valves. A long-tapered stainless steel needle combined with an ultra-fine stem thread results in unmatched precision. The valves are available in brass or stainless steel.
Maximum Operating Pressure : 3000 psi (206.7 bar)
Operating
Temperature Range : -65? to 450? F (-54? to 233? C)
? 22-24 turns from shutoff to full open
? 1/8" Female NPT connections
? Forged body construction
? Packing seal is Teflon
? Needle is stainless steel
?
Body, bonnet, and seat are brass
? 9/16" black phenolic plastic knob
standard
? Other knob options available
? Straight and 90? Angle patterns
available
? Metal-to-metal seat
? Vernier micrometer handle option
?
Panel mounting option
? Flange mounting option
? 56 threads per inch for
precision metering
? Four orifice sizes available
Dimensions
Selction Guide
|
Item #
|
Orifice
|
Needle Taper
|
Cv (full open)
|
Max flow of Air in SCFH 100
psi
|
Body Pattern
|
Options
|
|
52-1-11
|
1/32 in.
(0.0313)
|
1? 21'
|
0.019
|
77
|
Straight
|
N/A
|
|
52-2-11
|
1/16 in.
(0.0625)
|
3? 43'
|
0.0818
|
335
|
Straight
|
N/A
|
|
52-3-11
|
3/32 in.
(0.0938)
|
6? 04'
|
0.1383
|
562
|
Straight
|
N/A
|
|
52-4-11
|
1/8 in. (0.125)
|
6? 04'
|
0.2224
|
904
|
Straight
|
N/A
|
|
P 52-1-11
|
1/32 in.
(0.0313)
|
1? 21'
|
0.019
|
77
|
Straight
|
Panel Mount
|
|
P 52-2-11
|
1/16 in.
(0.0625)
|
3? 43'
|
0.0818
|
335
|
Straight
|
Panel Mount
|
|
P 52-3-11
|
3/32 in.
(0.0938)
|
6? 04'
|
0.1383
|
562
|
Straight
|
Panel Mount
|
|
P 52-4-11
|
1/8 in. (0.125)
|
6? 04'
|
0.2224
|
904
|
Straight
|
Panel Mount
|
|
V 52-1-11
|
1/32 in.
(0.0313)
|
1? 21'
|
0.019
|
77
|
Straight
|
Vernier
Micrometer
|
|
V 52-2-11
|
1/16 in.
(0.0625)
|
3? 43'
|
0.0818
|
335
|
Straight
|
Vernier
Micrometer
|
|
V 52-3-11
|
3/32 in.
(0.0938)
|
6? 04'
|
0.1383
|
562
|
Straight
|
Vernier
Micrometer
|
|
V 52-4-11
|
1/8 in. (0.125)
|
6? 04'
|
0.2224
|
904
|
Straight
|
Vernier
Micrometer
|
|
PV 52-1-11
|
1/32 in.
(0.0313)
|
1? 21'
|
0.019
|
77
|
Straight
|
Panel Mount
Vernier Micrometer |
|
PV 52-2-11
|
1/16 in.
(0.0625)
|
3? 43'
|
0.0818
|
335
|
Straight
|
Panel Mount
Vernier Micrometer |
|
PV 52-3-11
|
3/32 in.
(0.0938)
|
6? 04'
|
0.1383
|
562
|
Straight
|
Panel Mount
Vernier Micrometer |
|
PV 52-4-11
|
1/8 in. (0.125)
|
6? 04'
|
0.2224
|
904
|
Straight
|
Panel Mount
Vernier Micrometer |
|
52-1-12
|
1/32 in.
(0.0313)
|
1? 21'
|
0.019
|
77
|
90
|
