Deltrol N20B – 1/4″ NPTF, Brass, Variable Flow Restrictor With Shut-Off

Part Number: N20B

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Pneu-trol model N20B is a variable flow restrictor with positive shut-off. A wide range of flow adjustment is possible because of the fine thread and tapered needle. Unwanted changes in adjustment are prevented by a locknut. A tamperproof adjustment key is standard.

Part number: 10000-78

Pneu-trol Part Reference: N20B

Features and benefits Include:

  • Wide range of flow adjustability.
  • Lock nut to maintain flow setting.
  • Positive shut-off.

Additional information

Weight 0.4 kg

Stainless Steel

Port Connection

NPT 1/4

Maximum Pressure (PSI)


Maximum Pressure (Bar)


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