225 SERIES B-CYLINDER

TRIPLEX PLUNGER PUMP

QUICK CHANGE
CONVERSION KITS
AVAILABLE

CONTINUOUS
OPERATION AND
DURABILITY
WITH MINIMUM
MAINTENANCE.

T
he NLB 225 Series pump is an advanced design NLB'S QUICK CHANGE FLUID ENDS.
triplex pump with exceptional flexibility and Simple, Fast and Dependable
versatility to efficiently meet the requirements
of a wide range of pumping services. The unit features • Easily configured for operating pressures from 4,000
a simple, rugged design to meet the heavy-duty re- to 6,000 psi with an available (optional) conversion kit.
quirements of continuous operation and to minimize
• A single stainless steel frame plate and swing-out
maintenance.
manifold is used for all operating pressures. The design
features minimum volumetric clearance and stress, with
maximum shock and pressure resistance. Passages are
drilled to minimize turbulence.
• The valve seat and stuffing boxes are precision-
machined from high-grade stainless steel.
• Stainless steel valves have a rugged, double guided
design that improves valve life by ensuring alignment.
Seats are beveled and are also made from hardened
stainless steel.
• Requires only a simple plunger kit to operate at pressures
between 4,000 and 6,000 psi (275 and 414 bar).
CONVERSION KITS
Contact your sales representative for kit availability & pricing.
• Colomony®-coated plungers.

LEADING WATER JET TECHNOLOGY™

NLBCORP.COM

© Copyright 2017 NLB Corp.

 225 SERIES B-CYLINDER TRIPLEX PLUNGER PUMPS

PROVEN, HEAVY-DUTY
INDUSTRIAL POWER FRAME.
• Horizontal configuration provides easy access and low
center of gravity.
• Rugged, cast-iron housing with gravity lubrication and
large oil reservoir.
• Forged steel crankshaft mounted in tapered roller bear- Horsepower Formula *Actual pump capacity is
ings. Symmetrical design permits easy conversion to approximately 95% of the
GPM x PSI
opposite-hand drive. BHP = displacement.
1715
• Marine-type connecting rods with split, babbitted rod
bearings and sleeve-type bronze wrist bearings. All
A B C D E
under compressive loading only. IN 39.79 36.86 34.30 11.09 18.75
• Large-diameter cylinder crossheads operating in full MM 1010.66 936.24 871.22 281.66 476.25
circular guides, fitted with hardened wrist pins. F G H I J
IN 10.00 7.75 1 4.75 33.50
• Ground crosshead stub shafts with lipped seals to keep
MM 254 196.85 25.4 120.65 850.9
water and dust out of crankcase. K L M N O
• High mechanical efficiency. IN 1 10.00 10.13 20.25 22.25
• Plunger cover for cleanliness and operator protection. MM 25.4 254 257.3 514.35 565.15

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D C

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H J K

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ALL UNITS ARE CERTIFIED AND
FACTORY TESTED BEFORE SHIPMENT
Specifications subject to change without notice.

PUMP DISPLACEMENT - GPM (LPM)

PLUNGER PUMP RPM MAXIMUM
B-Cylinder

DIAMETER 100 200 300 400 (191 HP) PRESSURE

IN MM GPM LPM GPM LPM GPM LPM GPM LPM PSI BAR
1-3/4 44 14 52 27 103 41 155 55 207 6,000 414
1-15/16 51 16 62 33 124 49 186 66 248 5,000 345
2-3/16 56 20 78 41 155 61 233 82 310 4,000 276

HEADQUARTERS REGIONAL OFFICES LEADING WATER JET TECHNOLOGY™

Wixom, MI Located across the NLBCORP.COM
(248) 624-5555 United States
© Copyright 2017 NLB Corp.

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