Ideal Valve Incorporated Stainless Steel and Brass Metering Needle Valves
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51 Series 1/4" to 3/4" Brass Needle Valves
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52 Series Forged Brass Needle Valves
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54 Series Forged Stainless Needle Valves
........................................................ Custom Needle Valves

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52 Series Forged Brass Needle Valves

The Ideal 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 : -65º to 450º F (-54º to 233º 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 90º 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

Forged Brass Needle Valve 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)
1º 21'
0.019
77
Straight
N/A
52-2-11
1/16 in. (0.0625)
3º 43'
0.0818
335
Straight
N/A
52-3-11
3/32 in. (0.0938)
6º 04'
0.1383
562
Straight
N/A
52-4-11
1/8 in. (0.125)
6º 04'
0.2224
904
Straight
N/A
P 52-1-11
1/32 in. (0.0313)
1º 21'
0.019
77
Straight
Panel Mount
P 52-2-11
1/16 in. (0.0625)
3º 43'
0.0818
335
Straight
Panel Mount
P 52-3-11
3/32 in. (0.0938)
6º 04'
0.1383
562
Straight
Panel Mount
P 52-4-11
1/8 in. (0.125)
6º 04'
0.2224
904
Straight
Panel Mount
V 52-1-11
1/32 in. (0.0313)
1º 21'
0.019
77
Straight
Vernier Micrometer
V 52-2-11
1/16 in. (0.0625)
3º 43'
0.0818
335
Straight
Vernier Micrometer
V 52-3-11
3/32 in. (0.0938)
6º 04'
0.1383
562
Straight
Vernier Micrometer
V 52-4-11
1/8 in. (0.125)
6º 04'
0.2224
904
Straight
Vernier Micrometer
PV 52-1-11
1/32 in. (0.0313)
1º 21'
0.019
77
Straight
Panel Mount
Vernier Micrometer
PV 52-2-11
1/16 in. (0.0625)
3º 43'
0.0818
335
Straight
Panel Mount
Vernier Micrometer
PV 52-3-11
3/32 in. (0.0938)
6º 04'
0.1383
562
Straight
Panel Mount
Vernier Micrometer
PV 52-4-11
1/8 in. (0.125)
6º 04'
0.2224
904
Straight
Panel Mount
Vernier Micrometer
52-1-12
1/32 in. (0.0313)
1º 21'
0.019
77
90° Angle
N/A
52-2-12
1/16 in. (0.0625)
3º 43'
0.0818
335
90° Angle
N/A
52-3-12
3/32 in. (0.0938)
6º 04'
0.1383
562
90° Angle
N/A
52-4-12
1/8 in. (0.125)
6º 04'
0.2224
904
90° Angle
N/A
P 52-1-12
1/32 in. (0.0313)
1º 21'
0.019
77
90° Angle
Panel Mount
P 52-2-12
1/16 in. (0.0625)
3º 43'
0.0818
335
90° Angle
Panel Mount
P 52-3-12
3/32 in. (0.0938)
6º 04'
0.1383
562
90° Angle
Panel Mount
P 52-4-12
1/8 in. (0.125)
6º 04'
0.2224
904
90° Angle
Panel Mount
V 52-1-12
1/32 in. (0.0313)
1º 21'
0.019
77
90° Angle
Vernier Micrometer
V 52-2-12
1/16 in. (0.0625)
3º 43'
0.0818
335
90° Angle
Vernier Micrometer
V 52-3-12
3/32 in. (0.0938)
6º 04'
0.1383
562
90° Angle
Vernier Micrometer
V 52-4-12
1/8 in. (0.125)
6º 04'
0.2224
904
90° Angle
Vernier Micrometer
PV 52-1-12
1/32 in. (0.0313)
1º 21'
0.019
77
90° Angle
Panel Mount
Vernier Micrometer
PV 52-2-12
1/16 in. (0.0625)
3º 43'
0.0818
335
90° Angle
Panel Mount
Vernier Micrometer
PV 52-3-12
3/32 in. (0.0938)
6º 04'
0.1383
562
90° Angle
Panel Mount
Vernier Micrometer
PV 52-4-12
1/8 in. (0.125)
6º 04'
0.2224
904
90° Angle
Panel Mount
Vernier Micrometer
52-1-13
1/32 in. (0.0313)
1º 21'
0.019
77
Straight
Flange Mount
52-2-13
1/16 in. (0.0625)
3º 43'
0.0818
335
Straight
Flange Mount
52-3-13
3/32 in. (0.0938)
6º 04'
0.1383
562
Straight
Flange Mount
52-4-13
1/8 in. (0.125)
6º 04'
0.2224
904
Straight
Flange Mount
V 52-1-13
1/32 in. (0.0313)
1º 21'
0.019
77
Straight
Flange Mount
Vernier Micrometer
V 52-2-13
1/16 in. (0.0625)
3º 43'
0.0818
335
Straight
Flange Mount
Vernier Micrometer
V 52-3-13
3/32 in. (0.0938)
6º 04'
0.1383
562
Straight
Flange Mount
Vernier Micrometer
V 52-4-13
1/8 in. (0.125)
6º 04'
0.2224
904
Straight
Flange Mount
Vernier Micrometer
52-1-14
1/32 in. (0.0313)
1º 21'
0.019
77
90° Angle
Flange Mount
52-2-14
1/16 in. (0.0625)
3º 43'
0.0818
335
90° Angle
Flange Mount
52-3-14
3/32 in. (0.0938)
6º 04'
0.1383
562
90° Angle
Flange Mount
52-4-14
1/8 in. (0.125)
6º 04'
0.2224
904
90° Angle
Flange Mount
V 52-1-14
1/32 in. (0.0313)
1º 21'
0.019
77
90° Angle
Flange Mount
Vernier Micrometer
V 52-2-14
1/16 in. (0.0625)
3º 43'
0.0818
335
90° Angle
Flange Mount
Vernier Micrometer
V 52-3-14
3/32 in. (0.0938)
6º 04'
0.1383
562
90° Angle
Flange Mount
Vernier Micrometer
V 52-4-14
1/8 in. (0.125)
6º 04'
0.2224
904
90° Angle
Flange Mount
Vernier Micrometer
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