Deltrol

Flow Control Valves

  • Metal Setting Knob and Stem
  • Color Coding and Numerical Readout Allow Positive
  • Setting for Precise Flow Control and Repeatability
  • Can Be Accurately Adjusted Within a Small Fraction of a Turn
  • Available in Six Sizes: 1/8”, 1/4”, 3/8”, 1/2”, 3/4” and 1”
Flow Control Valves provide controlled flow in one direction, free flow in opposite direction. Flow adjustment can be made under pressure. Setting knob can be locked in any desired position with convenient set screw. Easy Read Check Valves operate on slight differential pressure; full flow is permitted in the direction of the arrow, positive check in the opposite direction.

Part Number
Material
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Size
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EF10B
Brass
1/8”
EF20B
Brass
1/4”
EF25B
Brass
3/8”
EF30B
Brass
1/2”
EF35B
Brass
3/4”
EF40B
Brass
1”
EF10S
Carbon Steel
1/8”
EF20S
Carbon Steel
1/4”
EF25S
Carbon Steel
3/8”
EF30S
Carbon Steel
1/2”
EF35S
Carbon Steel
3/4”
EF40S
Carbon Steel
1”
EF10SS
Stainless Steel
1/8”
EF20SS
Stainless Steel
1/4”
EF25SS
Stainless Steel
3/8”
EF30SS
Stainless Steel
1/2”
Part Number
SAE Thread
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Material
EFM620S
SAE-6
Carbon Steel
EFM825S
SAE-8
Carbon Steel
EFM1030S
SAE-10
Carbon Steel
EFM1235S
SAE-12
Carbon Steel