Check Valves: 4000 Series

MODEL SHOWN: End Connection Type Fractional Tube Fitting

    * Working Pressures    
Part Number End Connection Type End Connection Inlet Size End Connection Outlet Size Orifice A B C D Stainless Steel* Brass*
4002 Fractional Tube Fitting 1/8 1/8 0.093 2.60 1.39 0.75 0.63 --- ---
4012 Fractional Tube Fitting 1/4 1/4 0.19 2.67 1.27 0.75 0.63 --- ---
4022 Fractional Tube Fitting 3/8 3/8 0.28 3.06 1.55 0.88 0.75 --- ---
4032 Fractional Tube Fitting 1/2 1/2 0.28 3.29 1.13 0.88 0.75 --- ---
4013 Fractional Tube Fitting to Female NPT 1/4 1/8 0.19 2.50 - 0.75 0.63 --- ---
4042 Fractional Tube Fitting to Female NPT 1/2 1/2 0.28 3.29 - 0.88 1.13 --- ---
4005 Fractional Tube Fitting to Male NPT 1/8 1/8 0.093 2.44 1.44 0.75 0.63 --- ---
4011 Fractional Tube Fitting to Male NPT 1/4 1/8 0.19 2.50 1.41 0.75 0.63 --- ---
4015 Fractional Tube Fitting to Male NPT 1/4 1/4 0.19 2.50 1.23 0.75 0.63 --- ---
4023 Fractional Tube Fitting to Male NPT 3/8 1/2 0.28 3.05 1.55 0.88 0.88 --- ---
4031 Fractional Tube Fitting to Male NPT 1/2 1/2 0.28 3.17 1.55 0.88 0.88 --- ---
4010 Female NPT 1/8 1/8 0.19 2.33 - 0.75 0.63 --- ---
4020 Female NPT 1/4 1/4 0.19 2.71 - 0.75 0.75 --- ---
4030 Female NPT 3/8 3/8 0.28 2.92 - 0.88 0.88 --- ---
4040 Female NPT 1/2 1/2 0.28 3.33 - 1.13 1.13 --- ---
4009 Male NPT to Female NPT 1/8 1/8 0.19 2.33 - 0.75 0.63 --- ---
4021 Male NPT to Female NPT 1/4 1/4 0.19 2.58 - 0.75 0.63 --- ---
4027 Male NPT to Female NPT 3/8 3/8 0.28 2.92 - 0.88 0.88 --- ---
4037 Male NPT to Female NPT 1/2 3/8 0.28 2.92 - 0.88 0.88 --- ---
4039 Male NPT to Female NPT 1/2 1/2 0.28 3.05 - 0.88 0.88 --- ---
4006 Male NPT 1/8 1/8 0.19 2.33 1.55 0.75 0.63 --- ---
4016 Male NPT 1/4 1/4 0.19 2.33 1.19 0.75 0.63 --- ---
4026 Male NPT 3/8 3/8 0.28 2.80 1.66 0.88 0.75 --- ---
4036 Male NPT 1/2 1/2 0.28 2.92 1.42 0.88 0.88 --- ---
4004 Male NPT to Fractional Tube Fitting 1/8 1/8 0.093 2.50 1.50 0.75 0.63 --- ---
4007 Male NPT to Fractional Tube Fitting 1/2 1/4 0.19 2.50 1.41 0.75 0.63 --- ---
4014 Male NPT to Fractional Tube Fitting 1/4 1/4 0.19 2.50 1.23 0.75 0.63 --- ---
4024 Male NPT to Fractional Tube Fitting 3/8 3/8 0.28 2.93 1.60 0.88 0.75 --- ---
4033 Male NPT to Fractional Tube Fitting 3/8 1/2 0.28 3.04 1.60 0.88 0.88 --- ---
4035 Male NPT to Fractional Tube Fitting 1/2 3/8 0.28 2.92 1.42 0.88 0.88 --- ---
4034 Male NPT to Fractional Tube Fitting 1/2 1/2 0.28 3.04 1.42 0.88 0.88 --- ---
4008 Female NPT to Male NPT 1/8 1/8 0.19 2.33 - 0.75 0.63 --- ---
4017 Female NPT to Male NPT 1/4 1/8 0.19 2.46 - 0.75 0.63 --- ---
4018 Female NPT to Male NPT 1/4 1/4 0.19 2.45 - 0.75 0.63 --- ---
4028 Female NPT to Male NPT 3/8 3/8 0.28 2.80 - 0.88 0.75 --- ---
4038 Female NPT to Male NPT 1/2 1/2 0.28 3.20 - 1.13 0.88 --- ---
4003 Female NPT to Fractional Tube Fitting 1/8 1/4 0.19 2.50 - 0.75 0.63 --- ---
4019 Female NPT to Fractional Tube Fitting 1/4 1/4 0.19 2.62 - 0.75 0.63 --- ---
4029 Female NPT to Fractional Tube Fitting 3/8 3/8 0.28 2.93 - 0.88 0.75 --- ---
4041 Female NPT to Fractional Tube Fitting 1/2 1/2 0.28 3.32 - 1.13 0.75 --- ---
* Insert Nominal Spring Size Designator as shown in the Cracking and Reseal Pressure table below.

Finger-tight assembly dimensions are for reference only and subject to change.
When ordering, add the Nominal Spring Size Designator and the Material Designator after the basic ordering number.
 
Pressure Information Tables


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