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| Gauges,
Snubbers,Rupture Discs |
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Gauges
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.
Models 2008 and 3008
display both English and metric units of measurement.
Model
2007 (not shown) is a 3,000 psi (210 bar) working pressure
gauge with 1/2” NPT connection.
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Snubbers
NLB Snubbers
absorb the system pressure pulses that can cause gauge fluctuations.
This enhances accuracy and prolongs gauge life.
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| Model |
Max.
Pressure |
Inlet
Connection |
| 2010 |
10,000
psi (700 bar) |
1/2”
NPT Male |
| BM13613* |
10,000
psi (700 bar) |
1-1/8”
- 12 |
| 3010 |
20,000
psi (1,400 bar) |
9/16”
MP Nipple |
| BM13614* |
20,000
psi (1,400 bar) |
1-1/8”
- 12 |
*Snubber
kit used with discharge manifolds or pressure reducing stations
featuring NLB’s “BV” family of By-Pass Valves
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Rupture
Disc Assemblies
Each NLB
high-pressure pump unit is equipped with a safety rupture
disc, which relieves pressure on the system in the event of
a spike above the maximum operating pressure of the unit.
The replaceable discs are available with pressure ratings
from 1,000 to 20,000 psi (70 to 1,400 bar). Rupture disc assemblies
should always be used with a primary pressure relief valve
or by-pass valve.
Two models
are available: NSP-2000
is used in most pumps built before September, 1996, and CM3557
in newer pumps. Both use the rupture disc detailed in chart.
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