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In-line Pressure Control Valve (Obsolete product)

Liquip offer the latest innovation in 3 & 4 inch inline air reference pressure operated control valves. 

These valves utilize a direct operating design concept with a control module added to the basic valve. This control module is mounted to the main valve body with one bolt. The new control module gives the unit finer control and eliminates exterior tubing from the valve.

The same control module is used on both the 3 & 4 inch valves. Most of the seals in the main body of the 3 & 4 inch valves are the same, thus minimizing the spares required for any type of maintenance. The control module incorporates a unique bleeder that requires no tools to facilitate bleeding, and it has a vent to prevent fuel from entering the air system, a problem found in several competitors’ valves.

  • Offer up to 16% greater flow rate than competing units, allowing the refuelling of aircraft in a shorter time.
  • Standard 150 lb ANSI inlet and outlet flanges.
  • Victaulic adapters available.
  • Bleeder on module block facilitates simple bleeding of air from the valve — no venting is required once proper bleeding is accomplished.
  • No expensive servos to adjust.
  • Spare parts required for maintenance kept to a minimum due to lack of complicated servos. Many parts are common to bypass valves of same size.
  • Many spares common to Carter brand couplers.

3" Model (64500)

Working Pressure
Up to 200 psi (13.79 bar).
Rated Flow
Up to 800 GPM (3,028 LPM).
Pressure Drop
4.9 psi (.34 bar) @ 600 GPM (2,271 LPM).
Pressure Control
25 to 75 psi (1.724 to 5.171 bar) nominal.
Overshoot
>5% of rated flow
Opening Time
5 to 10 seconds.
Closing Time
2 to 5 seconds.
Repeatability
±3psi (.21 bar).
Surge Control
>120 psi (8.27 bar)
Opertaing Temperature
-40oF to +125oF (-40oC to +52oC)
 

4" Model (64510)

Working Pressure
Up to 200 psi (13.79 bar).
Rated Flow
Up to 1,200 GPM (4,532 LPM).
Pressure Drop
4.3 psi (.296 bar) @ 1,000 GPM (3,785 LPM).
Pressure Control
25 to 75 psi (1.724 to 5.171 bar) nominal.
Overshoot
>5% of rated flow
Opening Time
5 to 10 seconds.
Closing Time
2 to 5 seconds.
Repeatability
±3psi (.21 bar).
Surge Control
>120 psi (8.27 bar)
Opertaing Temperature
-40oF to +125oF (-40oC to +52oC)

64500D: 3" in-line pressure control valve with victaulic adapter on inlet.

64500E: 3" in-line pressure control valve with victaulic adapter on inlet and outlet.

64510D:  4" in-line pressure control valve with victaulic adapter on inlet.

64510E: 4" in-line pressure control valve with victaulic adapter on inlet and outlet.

NOTE: It is not recommended to use option E on a valve without additional support to keep it from tunring in the piping.

 

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