MP Pumps Abbreviation List

Engineering hold
-1 Single phase AC motor
143T Same as 143TC except not close coupled
143TC Close couple AC motor size, 7/8 shaft, 4.5 pilot, motor base holes different than 145TC
145T Same as 145TC except not close coupled
145TC Close couple AC motor size, 7/8 shaft, 4.5 pilot, motor base holes different than 143TC
1725 RPM of the motor
1750 RPM of the motor
182T Same as 182TC except not close coupled
182TC Close couple AC motor size, 1.125 shaft, 8.5 pilot, motor base holes different than 184TC
184C Close couple AC motor size same as 145TC pump mount and taller 184 centerline ht.
184T Same as 184TC except not close coupled
184TC Close couple AC motor size, 1.125 shaft, 8.5 pilot, motor base holes different than 182TC
213T Same as 213TC except not close coupled
215C Close couple AC motor size same as 184TC pump mount and taller 215 centerline ht.
215T Same as 215TC except not close coupled
215TC Close couple AC motor size, 1.375 shaft, 8.5 pilot, motor base holes different than 213TC
254T Same as 254TC except not close coupled
254TC Close couple AC motor size, 1.625 shaft, 8.5 pilot, motor base holes different than 256TC
256T Same as 256TC except not close coupled
256TC Close couple AC motor size, 1.625 shaft, 8.5 pilot, motor base holes different than 254TC
2AGR Pulley grooves=2, a-belt size
-3 3 Phase AC motor
3/4 The shaft sleeve bore diameter in inches, common pedestal/engine size
5/8 The shaft sleeve bore diameter in inches, common 56C motor size
50HZ The power frequency requirement for the motor, common power for Europe
550F Maximum temperature limitation
56C Close couple AC motor size, 5/8 shaft, 4.5 pilot
5BL The number of blades on the impeller, this is noted when the standard is a different blade number
7/8 The shaft sleeve bore diameter in inches, common 143/145TC motor size
8-BL Eight blade impeller
A Aluminum
-A When after impeller size a specific impeller curvature is identified
ADA Adapter
ADP Adapter
AGI Austempered gray iron
AI Aluminum impeller
AL Aluminum
ALU Aluminum
AP Adjustable pulley
ATO Automatic thermal overload
AWP Aluminum wear plate
B Bronze, brass, or Briggs and Stratton engine
-B When after impeller size a specific impeller curvature is identified
B-5.5R Briggs and Stratton 5.5hp recoil start engine
B-5R Briggs and Stratton 5hp recoil start engine
B-9R Briggs and Stratton 9hp recoil start engine
BALDOR AC motor manufacturer
BC Bolt Circle
BCF Base, coupling and Fasteners
BF Base and fasteners
BI Bronze impeller
BL Blade number on the impeller
BOT Bottom
BR Bronze, brass
BRFLG Bronze flange(s)
BSP British straight pipe thread
BUNA Nitrile elastomer that has low temperature use below 200f, not as chemically inert as Viton
BWP Bronze wear plate
C Cast iron
-C When after impeller size a specific impeller curvature is identified
CASE Case drain present on the hydraulic motor
CAT Caterpillar
CC Close couple
CCMTR Close couple motor
CCS Carbon ceramic seal
CCW Counter Clock wise
CE European standard is met
CFR C frame motor
CI Cast iron
CIADP Cast iron adapter
CI-FRM Cast iron frame motor
CIR Circulator
CL Clutch
CLE Pump made for Hobart
CLG Clamp guard
CMI Company name
COC Certificate of Compliance
CPLG Coupling
CSC Carbon silicon carbide seal
CSDRN Case drain
CTN Carton
CVR Cover
CW Clock wise
D Ductile iron
DA Discharge angle
DEG Degrees
DI Ductile iron
DIS Discharge
DISP Displacement usually called out for the hydraulic motor
DN Down, direction
DS Double seal
DUP Stainless steel grade, duplex is a doubling of alloying elements in austenitic stainless usually applied to the sleeve
DWN Down, direction
EL Elbow
EL POLISH Electro-polished
ELPLSH Electro-polish
ENG Engine
EP Ethylene propylene diene monomer an elastomer used in seals and gaskets
EPDM Ethylene propylene diene monomer an elastomer used in seals and gaskets
EPG Gaskets made of EP, EPDM
EPT Ethylene propylene diene monomer an elastomer used in seals and gaskets
ES Electric start option on gasoline and diesel engines
FA Foot adapter used on a pump to use a footless motor
F-CTL Flow control is present on the hydraulic motor
FF Flat flange
FLG Flange
FLP Flapper
FLUSH Seal flush
FLW CNTRL Flow control is present on the hydraulic motor
FM Flomax or Foot mount (a design instead of a pedestal making a pump w/o an adapter)
FNC Ferritic Nitride Carburize a process to harden iron for wear resistance.
FRM Frame, usually designates the motor size or material.
GD Gear driven
GPM Gallons per minute
GR Grease lube used in double seal
GRD Guard
GS Grease Seal
GSK Gasket
G-TAP Gage tap
H-11R Honda 11hp recoil start
H-5.5R Honda 5.5hp recoil start
HD Horizontal discharge
HE High efficiency, heat exchanger
HF High flow usually indicated where a non-standard hp impeller is used.
HIHO High horsepower designation for the larger adapter that has a 7″ pilot
HR High rise suction
HS High speed
HSG Housing
HV Horizontal or vertical discharge capable
HYD Hydraulic
HZ The motor frequency power requirement
ID Inner diameter
IEC International Electric Committee (used to identify DIN European motors)
IPEG Customer name
JC John Crane Seal
JD- Jiang Dong engine manufacturer in China
JF138 JD engine model number
JM Specific motor type
JP Specific motor type
KW Key way
L- Lombardini diesel engine
LH Left hand
LR Left hand rotation
MB Minus base used primarily to describe a motor used on a FA pump
MBA Minus base assembly
MCI Motor coach Industries
MD Marine duty
MEI Murray Equipment Inc, a proprietary pump for Murray
METH Methanol, a fuel not normally covered with the petroleum pumps, Buna is a requirement
METRO Metropolitan pump company
MSH Monel shaft material
MTO Manual thermal overload, used on AC motors to shut them down when over temperature
NB Name branded
NBFRM New bearing frame
NEO Neoprene
NFLP No Flapper
NO Not present or a specific feature/part is omitted
NP No paint
NPT National pipe thread
NR Ni-resist, a seal seat material that is nickel iron based
NRS Ni-resist seal, usually carbon and viton
ODP Open drip proof motor
PD Pitch diameter
PE TERM Packard electric terminals
PED Pedestal
PED/CL Clutch type pedestal could be electrical or mechanical
PEM Pedestal or engine mount
PM Permanent magnet
PMP Pump
PPK Pumpak
P-T Packard terminals
PTS Parts
PUL Pulley
R Reversible, or recoil start type engine
RD Reduced discharge, Flomax that is 3×2 or 2×1.5
RIM Specially modified impeller
RR Right Hand rotation
S/A Sub-assembly
SAE Society of Automotive Engineering, standard
SB Stuffing box
SC Silicon carbide
SI Stainless impeller
SL Sleeve (drive sleeve)
SS Stainless steel grade, duplex is a doubling of alloying elements in austenitic stainless usually applied to the sleeve
SSADP Stainless steel adapter
SSC Mechanical seal with silicon carbide seal faces
S-SHAFT Short shaft
SSS Severe service seal
SSSH Stainless steel shaft
SSWP Stainless wear plate
STC Mechanical seal with silicon and tungsten faces
STYLE A Impeller type
STYLE B Impeller type
SUC/DIS Suction/discharge
SVC Service
SWP Stainless wear plate
T-16 Mechanical seal type used in FRX and circulator pumps
T-2 Mechanical seal with a double convolution an upgrade from the T-21
T-21 Mechanical seal with a single convolution
T-31 Double seal mechanical seal designation for the T-21
T-52 Mechanical seal same as the T-2
T-6 Mechanical seal similar to the T-16
T-6A Mechanical seal used on pumps to keep fluid off of the shaft
T-9 Mechanical seal for chemical duty usually carbon ceramic and Teflon
TEFC Totally enclosed, fan cooled
TENV Totally enclosed, non-ventilated
TFE Teflon
TFGSK Teflon Gasket
TFS Teflon seal usually the T-9
TOPSIL Multi-layered gasket
TROP Tropicalized motor
UB Un-branded, no company labels or logos
UNIL Uniloy
V Viton
VD Vertical discharge
VDC Voltage direct current
V-FLP Viton flapper
V-GSK Viton gasket
VIT Viton
VITGSK Viton gasket
VOL Volute
W/ With
W/BAL Balance holes are present
W/FC Flow control is present on the hydraulic motor
W/O Without
W/TAG Do not run dry tag added
W/TAP Gage or flush tapped hole present
WAUK Waukesha
WB With a base
WBA Base assembly is included
WDM Wash down duty motor
WSDN Wash down duty motor
XP Explosion proof motor usually class1 groupD, class2, groups F&G
Y- Yanmar a diesel motor manufacturer