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Pump Controls

 
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0000622981_030_056_0001

By-Pass Valves

 (6)
The advantages of NLB by-pass valves can be retrofitted to older NLB pump units. Our convenient conversion kits include everything you need.

0000622981_030_057_0003

Pressure Gauges

 (4)
NLB's high-pressure, heavy-duty pressure gauges are oil-filled and hermetically sealed. A throttle screw helps protect the gauge from erratic pressure surges. Standard gauges have bottom-mount connection with 4-1/4" (11 cm) faces. Certified gauges are available.
All display both English and metric units of measurement.

Note: NLB recommends that every pump be equipped with both a pressure gauge and a snubber.

0000622981_030_057_0001

Snubbers

 (6)
NLB Snubbers absorb the system pressure pulses that can cause gauge fluctuations. This enhances accuracy and prolongs gauge life.

0000622981_030_058_0004

Rupture Disc Assemblies and Discs

 (23)
Every NLB high-pressure pump unit is equipped with a rupture disc to relieve system pressure in the event of a spike above the unit's maximum operating pressure. The replaceable discs are available with pressure ratings from 1,000 psi to 40,000 psi (70 to 2,800 bar).
Rupture disc assemblies should always be used with a primary pressure relief or by-pass valve.

0000622981_030_059_0003

Throttle Controls

 (4)
Throttle controls help reduce fuel consumption and pump engine wear and tear. They advance a pump's engine speed when a dump-style lance or foot control is activated, and return it to idle when the trigger or pedal is released. We offer three throttle controls, all with a common design, for 10,000 psi, 20,000 psi, 24,000 psi, and 40,000 psi applications (700, 1,400, 1,680, and 2,800 bar).
  • Quick-change adapter fits all NLB pump units
  • Long seal life
  • Brass stop eliminates galling
  • Stainless steel spring resists corrosion

    • 0000622981_030_059_0004

    Shut-Off Valves

     (5)
    The quickest way to completely close line flow is with a shut-off valve. NLB has ball valves for 10,000 psi (700 bar) applications and needle valves for 20,000 psi (1,400 bar). All are silicone-free. Repair kits are available for the ball valves.

    0000622981_030_059_0002

    Pulsation Dampeners

     (6)
  • Reduce pulsations in permanent piping systems
  • No moving parts
  • No gas charging
  • Can be permanently mounted

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