idealvalve.com

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)

  • 1/8″ Female NPT connections
  • 22-24 turns from shutoff to full open
  • 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

Selction Guide

Item #OrificeNeedle TaperCv (full open)Max flow of Air in SCFH 100 psiBody PatternOptions
52-1-111/32 in. (0.0313)1º 21′0.01977StraightN/A
52-2-111/16 in. (0.0625)3º 43′0.0818335StraightN/A
52-3-113/32 in. (0.0938)6º 04′0.1383562StraightN/A
52-4-111/8 in. (0.125)6º 04′0.2224904StraightN/A
P 52-1-111/32 in. (0.0313)1º 21′0.01977StraightPanel Mount
P 52-2-111/16 in. (0.0625)3º 43′0.0818335StraightPanel Mount
P 52-3-113/32 in. (0.0938)6º 04′0.1383562StraightPanel Mount
P 52-4-111/8 in. (0.125)6º 04′0.2224904StraightPanel Mount
V 52-1-111/32 in. (0.0313)1º 21′0.01977StraightVernier Micrometer
V 52-2-111/16 in. (0.0625)3º 43′0.0818335StraightVernier Micrometer
V 52-3-113/32 in. (0.0938)6º 04′0.1383562StraightVernier Micrometer
V 52-4-111/8 in. (0.125)6º 04′0.2224904StraightVernier Micrometer
PV 52-1-111/32 in. (0.0313)1º 21′0.01977StraightPanel Mount
Vernier Micrometer
PV 52-2-111/16 in. (0.0625)3º 43′0.0818335StraightPanel Mount
Vernier Micrometer
PV 52-3-113/32 in. (0.0938)6º 04′0.1383562StraightPanel Mount
Vernier Micrometer
PV 52-4-111/8 in. (0.125)6º 04′0.2224904StraightPanel Mount
Vernier Micrometer
52-1-121/32 in. (0.0313)1º 21′0.0197790° AngleN/A
52-2-121/16 in. (0.0625)3º 43′0.081833590° AngleN/A
52-3-123/32 in. (0.0938)6º 04′0.138356290° AngleN/A
52-4-121/8 in. (0.125)6º 04′0.222490490° AngleN/A
P 52-1-121/32 in. (0.0313)1º 21′0.0197790° AnglePanel Mount
P 52-2-121/16 in. (0.0625)3º 43′0.081833590° AnglePanel Mount
P 52-3-123/32 in. (0.0938)6º 04′0.138356290° AnglePanel Mount
P 52-4-121/8 in. (0.125)6º 04′0.222490490° AnglePanel Mount
V 52-1-121/32 in. (0.0313)1º 21′0.0197790° AngleVernier Micrometer
V 52-2-121/16 in. (0.0625)3º 43′0.081833590° AngleVernier Micrometer
V 52-3-123/32 in. (0.0938)6º 04′0.138356290° AngleVernier Micrometer
V 52-4-121/8 in. (0.125)6º 04′0.222490490° AngleVernier Micrometer
PV 52-1-121/32 in. (0.0313)1º 21′0.0197790° AnglePanel Mount
Vernier Micrometer
PV 52-2-121/16 in. (0.0625)3º 43′0.081833590° AnglePanel Mount
Vernier Micrometer
PV 52-3-123/32 in. (0.0938)6º 04′0.138356290° AnglePanel Mount
Vernier Micrometer
PV 52-4-121/8 in. (0.125)6º 04′0.222490490° AnglePanel Mount
Vernier Micrometer
52-1-131/32 in. (0.0313)1º 21′0.01977StraightFlange Mount
52-2-131/16 in. (0.0625)3º 43′0.0818335StraightFlange Mount
52-3-133/32 in. (0.0938)6º 04′0.1383562StraightFlange Mount
52-4-131/8 in. (0.125)6º 04′0.2224904StraightFlange Mount
V 52-1-131/32 in. (0.0313)1º 21′0.01977StraightFlange Mount
Vernier Micrometer
V 52-2-131/16 in. (0.0625)3º 43′0.0818335StraightFlange Mount
Vernier Micrometer
V 52-3-133/32 in. (0.0938)6º 04′0.1383562StraightFlange Mount
Vernier Micrometer
V 52-4-131/8 in. (0.125)6º 04′0.2224904StraightFlange Mount
Vernier Micrometer
52-1-141/32 in. (0.0313)1º 21′0.0197790° AngleFlange Mount
52-2-141/16 in. (0.0625)3º 43′0.081833590° AngleFlange Mount
52-3-143/32 in. (0.0938)6º 04′0.138356290° AngleFlange Mount
52-4-141/8 in. (0.125)6º 04′0.222490490° AngleFlange Mount
V 52-1-141/32 in. (0.0313)1º 21′0.0197790° AngleFlange Mount
Vernier Micrometer
V 52-2-141/16 in. (0.0625)3º 43′0.081833590° AngleFlange Mount
Vernier Micrometer
V 52-3-143/32 in. (0.0938)6º 04′0.138356290° AngleFlange Mount
Vernier Micrometer
V 52-4-141/8 in. (0.125)6º 04′0.222490490° AngleFlange Mount
Vernier Micrometer