VTU (model code: 99470445), Model added July 2022: VTU (model code: 92556499).

Composite (plastic body): UPM2 15-** CIL2. Stainless steel body: UPMM 25-** N 180. UPML 25-** N 180. UPMXL 25-** 180 N. UPM GEO 25-** N 180. UPML GEO 25-** 180 N. UPMXL GEO 25-** 180 N. SOLAR PML 25-** 180 N. ** -stands for the lifting height of the pump in dm, that can be various 2 or 3 digit numbers

UP(S) XX-XX N XXX. UP(S) XX-XX FN XXX. Where: UP = Range name. S = Pumps equipped with electronic speed control. 1st XX = Nominal diameter (DN) of suction and discharge ports (mm) - Threaded models: 20 (1¼”), 25 (1½”) or 32 (2”). Flanged model: 40. 2nd XX = Maximum Head (dm). (no letter) or F = connection type: no letter - threaded, F - flanged. N = Pump housing - Stainless Steel. XXX = Port length (mm) - 1¼": 150, 1½": 130 or 180, 2": 180, DN40: 250.

Bronze pump housing: UP(S)(O) 15-XX B 130 (GFSxx). SOLAR 15-XX B 130 (GFSxx). Plastic (composite) pump housing: UP(S)(O) 15-XX CIL2 (GFSxx). SOLAR 15-XX CIL2 (GFSxx). UP(S)(O) 15-XX CES87 (GFSxx). Where: UP or SOLAR = Range name. S = Pumps equipped with electronic speed control. O = High efficiency pump. 15 = 1” BSP connections. XX = Maximum Head (dm). B = Pump housing - Bronze. CES87 or CIL2 = Pump housing - Composite. 130 (where noted) = Port length (mm).

NB, NBE, NBG, NBGE, NK, NKE, NKG, NKGE. NB, NBE, NBG, NBGE Example codes: NBE _ - 32 -125 .1 /142 S2 X1 F 1 X2 E S BBQE. NBG 125 -100 -160 /160-142 X1 F 2 X2 E S BQQE. NK, NKE, NKG, NKGE Example codes: NKE _ - 32 -125 .1 /142 S2 X1 F 1 X2 E S BBQE. NKG 125 -100 -160 /160-142 X1 F 2 X2 E S BQQE. Where: NBE, NBG, NKE or NKG is the type range. It can also be NB, NBGE, NK or NKGE. NB, NBG, NK, NKG: Pump with standard motor. NBE, NBGE, NKE, NKGE: Pump with MGE motor. _ Nominal diameter (mm) of inlet port (DN) - not displayed on NB/NBE/NK/NKE models. For NBG/NBGE/NKG/NKGE models the value will be between 50 & 350. 32 = Nominal diameter (mm) of outlet port (DN). Value between 32 & 300. 125 = Nominal impeller diameter [mm] (dimension varies). .1 = Reduced performance. 142 = Actual impeller diameter [mm] (dimension varies). Sensor version S1 Without factory-fitted sensor, pressure sensor is supplied with the pump. S2 With factory-fitted differential-pressure sensor, Series 2000. X1: Letter or multiple letters for pump version. Pipe connection F: DIN flange. Flange pressure rating (PN - nominal pressure) 1 = 10 bar. 2 = 16 bar. X2: Materials - Pump housing/Impeller/Wear ring/Shaft denoted by a single letter. Rubber parts in pump The letter indicates material of O-ring for pump cover E: EPDM. Shaft seal arrangement S: Single seal. Code for mechanical shaft seal and shaft seal rubber parts BBQE or BQQE.

PM1, PM2 & PM TWIN.

ALPHA1 **1-**2 N ***3 model B & ALPHA2 **1-**2 N ***3 model B/C/D/E. ALPHA1 **1-**2 CIL3 model B Where: **1 = size of inlet/outlet connection: 20 = 1 ¼”, 15 & 25 = 1 ½”, 32 = 2”. **2 = maximum head (dm): 40, 45, 50, 50/60, 60 & 80. N denotes stainless steel body. CIL3 denotes pump with composite (plastic body). ***3 = port to port length: 130, 150 & 180mm. (Note CIL3 model does not include a port length as it is only available in one size: 130mm). B/C/D/E indicates electronic options. For example: ALPHA2 25-50 N 130 model B. Alpha 2 pump type with 1 ½ BSP (M) inlet/outlet, 50 maximum head (dm), stainless steel pump housing and 130mm port to port length.

DPI2 sensor alone: AAA/B.B-BBB B/C/D/E E.EE EE/FFF DPI2 with or without accessories: AAA/B.B-BBB B/C/D/E E.EE EE/FFF/GG/HHH/IIII Product: [A] - Must be DPI Range and unit: [B] - Of no importance to wetted parts* Gen.: [C] - Must be 2 Output: [D] Of no importance to wetted parts* (+T = temperature transmitter), Cable: [E] Of no importance to wetted parts* Sealing: [F] - The first character must be E, second and third character have no importance to wetted parts Materials: [G] - Must be either -- or -B, Connection: [H] - 02N or 03P or 02B or --, Packaging: [I] - Of no importance to wetted parts*. RPI sensor alone: AAA/B.B-BBB B/C/D/E E.EE EE/FFF RPI with or without accessories: AAA/B.B-BBB B/C/D/E E.EE EE/FFF/GG/HHH/IIII Product: [A] - Must be RPI Range and unit: [B] - Of no importance to wetted parts*, Gen.: [C] - Of no importance to wetted parts*, Output: [D] - Of no importance to wetted parts* (+T = temperature transmitter), Cable: [E] - Of no importance to wetted parts*, Sealing: [F] - The first character must be E, second and third character have no importance to wetted parts, Materials: [G] - Must be either -- or -S, Connection: [H] - 02N or 03P or 02B or --, Packaging: [I] - Of no importance to wetted parts*. Code for sealing [F]: “E” = EPDM ‘O’-rings. Code for materials [G]: "B" = brass fitting, "S" = stainless steel fitting, "--" = sensor only (w/o accessory). Code for connection [H]: "02N" = 1/4" NPT, "02B" = 1/4" BSPT, "03N" = 1/2" NPT, "03P" = 1/2" BSPP, "---" = sensor only (w/o accessory). * All characters are allowed.

TP series 200 pumps: TP (E)(D) 32/40/50/65/80/100. Example Code: TP E D 40 -270 /2 S -A -F -A -BQQE -H C B Where: TP = Pump range. E = Electronically speed-controlled pump. D = Twin-head pump (optional). 40 = Nominal diameter of inlet and outlet ports (DN), 2 or 3 digits, value range 32/40/50/65/80/100. -270 = Maximum head [dm], 2 to 4 digits, value range from 30 to 390. /2 = Pole number (TP/TPE 40 models), one digit, value range 2/4. S = Code for sensor version: [Blank]: with MGE motor and without sensor, S: with factory-fitted differential-pressure sensor. A = Code for pump version. Can either be A, X, A+E, X+E. A: Basic Version, X: Special version, (+E): With certificate or test reports, the second character of the code for pump version is an "E". F = Code for pipe connection: DIN flange. A = Code for materials. Can either be A or Z. A: Basic version. Z: Bronze pump housing and motor stool. BQQE = Code for shaft seal including other plastic and rubber pump parts, except the neck ring. Can be BQQE (silicon carbide-silicon carbide) or BQBE (Silicon carbide-carbon). -H = Code for rated motor power [kW] - will be a letter or a number, please consult installation and operating instructions. C = Code for phase and voltage or other information [V] - will be a letter, please consult installation and operating instructions. B = Code for speed variant [rpm] - will be a letter or number, please consult installation and operating instructions.

CR(I)(N)(E) 1(s) range with 2-36 stages, CR(I)(N)(E) 3 range with 2-36 stages, CR(I)(N)(E) 5 range with 2-36 stages, CR(I)(N)(E) 10 range with 1-22 stages, CR(I)(N)(E) 15 range with 1-17 stages, CR(I)(N)(E) 20 range with 1-17 stages. Model keycode: CR(E)(C) 1/1(s)/3/5/10/15/20-A B-C-D-E-XXXE, CRI(E)(C) 1/1(s)/3/5/10/15/20-A B-C-D-E-XXXE, CRN(E)(C) 1/1(s)/3/5/10/15/20-A B-C-D-E-XXXE. Where: CR = Pump type and Cast Iron, I = EN 1.4301, N = EN 1.4401, E = Preminum Electronically Controlled Motor, C = Core (Basic) with Electronically Controlled Motor. 1/3/5/10/15/20 = Flow rate [m³/h], (s) = Reduced impeller version. A = No. of stages. B = Code for pump version: A = Basic version, B = Oversize motor, E = Pump with certificate, G = E-pump without operating panel, H = Horizontal version, I = Different pressure rating, J = E-pump with a different maximum speed, L = Pump including Grundfos CUE and certificate, N = With sensor, O = Clean and dryed, P = Undersize motor, R = Belt driven pump, V = Cascade function, X = Special version*, Z = Pump with bearing flange. C = Code for pipe connection: A = Oval flange, CA = Flexi clamp, CX = TriClamp, F = DIN flange, G = ANSI flange, J = JIS flange, N = Changed diameter of ports, P = PJE coupling (Victaulic). D = Code for materials: A = Basic version, C = Carbon-free pump, D = Carbon-graphite filled PTFE (bearings)/tungsten carbide, H = Flanges and base plate EN 1.4408, L = Motor stool, base plate and flanges EN 1.4408, N = Flanges EN 1.4408, R = Silicone carbide /silicone carbide bearing, S = PTFE neck rings, T = Baseplate EN 1.4408, X = Special*. E = Code for rubber parts: E = EPDM, V = Viton. XXX = Code for shaft seal: HQQ, HUU, HUB, HQB. [H = Balanced cartridge seal with O-ring, B = Carbon, synthetic resin-impregnated, U = Cemented tungsten carbide, Q = Silicon carbide]. *Special version ONLY covers the situation where more than 4 options are selected within the same position. This will automatically turn the 4 or more options into an X.