Holland Pump Catalog - Catalog - Page 21
40-42
CENTRIFUGAL PUMP
2026-3
CP4-LH-E (NNT)
PUMP SPECIFICATIONS
Size: 4”
Type/Model: Solids handling/Cornell 4NNT Redi Prime
Volute: Cast iron ASTM A48 class 30
Flanges: 6” suction, 4” discharge
Impeller: 2 vane enclosed, 10.09” diameter
Solids: Handles 3” diameter compressible, spherical solids
Prime 3 Priming System: Automatic priming system that features a 50 cfm water
tolerant, diaphragm vacuum pump driven by the main drive shaft. Our major
competitors use a 15 cfm compressor pump with a small compressor venturi that
can easily clog. The air/water separator is a simple, reliable float that opens and
closes a rubber plunger as water rises and falls. A non return valve isolates the
pump during priming and protects against back flow
Wear Rings: Replaceable (Double wear rings available)
Seal: Cornell’s patented Cycloseal® design with Run-Dry oil lubrication
system. John Crane T-2 single mechanical seal with Viton® elastomers,
stainless steel hardware and tungsten carbide vs. silicon carbide seal faces for
abrasion resistance
Discharge Valve: Val-matic or Equal
Shaft Sleeve: Heat treated 416 stainless steel
Bearings: Heavy duty, grease lubricated, deep groove ball bearings, with a
minimum of 50,000 hours bearing life
Shuto昀昀 Head: 124 feet
CP4-LH-E (NNT)
Flow
(GPM)
Speed
(RPM)
TDH
(ft)
Pump E昀케ciency
(%)
Power
(hp)
Max Suction
Head (ft)*
1262
1052
842
631
421
1770
1770
1770
1770
1770
50.1
66.8
78.8
89.1
98.9
59
71
76
74
68
27.2
24.9
22.1
19.1
15.5
12.5
18.9
22.7
22
20.9
MOTOR SPECIFICATIONS
Motor: Severe duty premium efficient 30 Hp 230/460 VAC 3 phase
Control: Standard across the line Starter, soft start - optional VFD, variable
voltage, NEMA 4X, Explosion proof
Dry Net Weight (lbs)
Shipping Weight (lbs)
Skid Base
2560
2810
DOT Trailer
2900
N/A
Holland Pump Administration Office 2005 Vista Pkwy., West Palm Beach, FL 33411
T (561) 697-3333 E info@hollandpump.com
