M3 Thread to Barb, Orifice

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Replacement O-Rings

O-Ring seals in all available materials.

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Polyurethane Tubing

Polyurethane tubing is recommended for use with our barbed fittings. It provides excellent flexibility and resistance to kinking.

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Overview

Description: M3 male threaded barb fitting with micro-drilled orifice for precise flow restriction.

Max Pressure Rating: 100 psig, when used with appropriately sized polyurethane tubing. With a clamp installed, the limiting factor generally becomes the burst pressure of the tubing.

Features

  • Beswick has developed specialized micro-drilling technology to produce precision orifices as small as 0.004” diameter in brass and stainless steel. Beswick micro-drilled orifice fittings are an excellent choice for the majority of applications.
  • Captured O-Ring face seal for leak tight installation.

Note: Suggested tube ID is for polyurethane or vinyl tubing. Consult factory if you plan to use a different tubing material.

Note: For critical metering applications, Beswick recommends selecting an orifice diameter no more than 70% of the nominal waterway diameter leading up to the orifice feature.

Note: Please allow sufficient time for delivery. Some configurations are made to order and come with extended lead times.

Material Construction 303 Stainless, Brass
Seal Material Options Viton®, Black EPDM, Silicone, Buna-N, EPDM, Fluorosilicone
Maximum Pressure 100 psig
Product Family Fittings
Availability Usually Ships Within 3-11 Weeks
Configurable Options 7

Part number format: M3H-[Tubing I.D.][Body Material]-[Orifice Size]-[Seal Material][Cleaning Options][Lubrication Options][Assembly Options]. Each bracketed segment is replaced by the code of the option chosen below; an option with no code is the standard choice and adds nothing.

Option Code Choice
Tubing I.D. 1332 1/8" (3.2 mm)
1132 3/32" (2.4mm)
1016 5/64" (2.0 mm)
1012 1/16" (1.6mm)
1046 3/64" (1.2mm)
Body Material None Brass
303 303 Stainless Steel
Orifice Size 004 0.004" (0.10mm)
005 0.005" (0.13mm)
006 0.006" (0.15mm)
007 0.007" (0.18mm)
0075 0.0075" (0.19mm)
008 0.008" (0.20mm)
009 0.009" (0.23mm)
010 0.010" (0.25mm)
011 0.011" (0.28mm)
012 0.012" (0.30mm)
013 0.013" (0.33mm)
0135 0.0135" (0.34mm)
0145 0.0145" (0.37mm)
015 0.015" (0.38mm)
0156 0.0156" (0.40mm)
016 0.016" (0.41mm)
018 0.018" (0.46mm)
020 0.020" (0.51mm)
021 0.021" (0.53mm)
0225 0.0225" (0.57mm)
024 0.024" (0.61mm)
025 0.025" (0.64mm)
026 0.026" (0.66mm)
028 0.028" (0.71mm)
0292 0.029" (0.74mm)
030 0.030" (0.76mm)
031 0.031" (0.79mm)
032 0.032" (0.81mm)
033 0.033" (0.84mm)
035 0.035" (0.89mm)
036 0.036" (0.91mm)
037 0.037" (0.94mm)
038 0.038" (0.97mm)
039 0.039" (0.99mm)
040 0.040" (1.02mm)
Seal Material
About this option 		None Buna-N
E EPDM
EB Black EPDM
V Fluorocarbon (FKM, Viton®)
S Silicone
FS Fluorosilicone
Cleaning Options
About this option 		None Standard Cleaning
I Instrument Grade Cleaning
Lubrication Options
About this option 		None Standard Lubrication
X No Lubrication
Assembly Options None Standard Assembly
UA Ship Unassembled