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.