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687577
Luftbehandlingstilbehør

Needle Valve - 338 Series

The 338 series needle valve bi-directionally meters the flow of air through the valve. The perimeter of the adjustment knob features position markings and an internal fine taper needle, providing precise flow control even at low flow rates.

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The 338 series needle valve bi-directionally meters the flow of air through the valve. The perimeter of the adjustment knob features position markings and an internal fine taper needle, providing precise flow control even at low flow rates.

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Description

The 338 Series Needle valves bi-directionally meter the flow of air through the valve. The plunger in these valves is a fine taper needle which provides precise flow control even at low flow rates. The perimeter of the adjustment knob features numerical micrometer position markings, providing a visual indication of the flow controls settings. Once the desired flow is selected, a set screw can be tightened to maintain the settings. Extended Temperature versions up to 300 degrees F are available as specials.     

    • Function: Needle Control
    • Manual Operator Style: Knob with Micrometer Position
    • Mounting Type: Inline
    • Port Connection: Female to Female
    • Port Sizes (inch): 1/8," 1/4," 3/8," 1/2," 3/4"
    • Port Type: NPT
    • Metered Flow (Cv): 0.28 to 2.62
    • Free Flow (Cv): 0.60 to 6.13
    • Metered Flow (SCFM): 15 to 140
    • Free Flow (SCFM): 32 to 327
    • Pressure Range (psig): 0 - 250
    • Pressure Range (bar): 0 - 17
    • Temperature Range (C):  -18 to 82
    • Temperature Range (F): 0 to 180
    • Extended Temperature Version: Yes
    • Cracking Pressure: Return Poppet 1 -2 PSIG
    • Media: Air
    • Lubrication: None
    • Body Material: Brass
    • Seal Material: Urethane, Buna N
    • Plunger / Needle Material: Stainless Steel
    • Other Internal Material: Stainless Steel, Zinc-Plated Steel

Description

Performance Characteristics
Product Type
Operating Style
Mounting Style
Port Connection
Port Size
Port Type
Flow Coefficient (Cv)
Flow Rate (SCFM)
Operating Pressure (psig)
Operating Pressure (bar)
Operating Temperature (C)
Operating Temperature (F)
Media
Lubrication
Body Material
Seal Material
Needle Material
Options

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