The SPF Series Flow Control Valves meter flow of air or oil in one direction and allow free flow in the reverse direction. SPF Series valves are manufactured with a two step needle. Fine metering is accomplished over the initial adjustment turns and nominal metering is provided over the remaining turns. Once the desired flow is selected, a set screw can be tightened to maintain the setting. These valves are available with NPTF ports in 1/8", 1/4", 3/8" and 1/2" sizes.


Valve Specifications:
• Maximum Operating Pressure:  2000 PSI Non-Shock
• Operating Temperature: 0° to 140°F


Component Materials:
• Body Material:  Brass
• Needle:  Stainless Steel
• Poppet:  Stainless Steel
• Poppet Style:  Soft Seal Standard
• Check Retainer:  Stainless Steel
• Seals:  Nitrile (Standard). Fluorocarbon (Optional)
• Knob: Steel with Zinc Plating
• Spring:  Stainless Steel

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Item #

(A) Inch - Port Size

(B) Inch

(C) Inch

(D) Inch

(E) Inch

(F) Inch

Flow SCFM at 100 PSIG Inlet

Cv

Effective Area Sq. In.

SPF200B N/A 1/8-27 NPTF N/A 1.54 N/A 2.00 N/A 0.63 N/A 1.28 N/A 0.75 N/A 25.4 N/A 0.53 N/A 0.018
SPF400B N/A 1/4-18 NPTF N/A 1.79 N/A 2.63 N/A 0.81 N/A 1.66 N/A 0.81 N/A 55.2 N/A 1.56 N/A 0.038
SPF600B N/A 3/8-18 NPTF N/A 2.18 N/A 2.75 N/A 1.00 N/A 1.75 N/A 1.00 N/A 99.3 N/A 2.27 N/A 0.070
SPF800B N/A 1/2-14 NPTF N/A 2.70 N/A 3.44 N/A 1.25 N/A 2.23 N/A 1.19 N/A 138.0 N/A 5.11 N/A 0.096
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