4SR. 4 submersible pumps. PERFORMANCE RANGE Flow rate up to 400 l/min (24 m³/h) Head up to 425 m

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1 4SR 4 submersible pumps Clean water (Maximum sand content 15 g/m³) Domestic use Civil use Industrial use PERFORMANCE RANGE Flow rate up to 4 (24 ) Head up to 425 m APPLICATION LIMITS Maximum liquid temperature +35 C Maximum sand content 15 g/m³ Maximum immersion depth of 1 m with a sufficiently long power cable Installation: vertical horizontal, with the following limits: 4SR7G - 4SR1G - 4SR13G - 4SR25G up to 18 stages 4SR33G - 4SR45G - 4SR6G - 4SR75G - 4SR9G up to 11 stages Starts/hour: 2 at regular intervals Minimum flow rate for motor cooling 8 cm/s Continuous service S1 CONSTRUCTION AND SAFETY STANDARDS ELECTRIC MOTOR Single-phase 22 V - 6 Hz Three-phase 38 V - 6 Hz Length of power cable: 3 m for powers from.37 to 3 kw 4 m for powers from 4 to 7.5 kw EN IEC CEI EN IEC CEI 2-3 INSTALLATION AND USE Suitable for use with clean water with a sand content of no more than 15 g/m³. Because of their high efficiency and reliability, they are suitable for use in domestic, civil and industrial applications such as for the distribution of water in combination with pressure tanks, for irrigation, for washing plants and for pressure boosting in fire-fighting sets, etc. PATENTS - TRADE MARKS - S Patent n. EP OPTIONS AVAILABLE ON REUEST Pump body complete with threaded delivery port in compliance with ISO 228/1 Other voltages Kit of cooling jacket complete with filter and supports CERTIFICATIONS Company with management system certified DNV ISO 91: UALITY ISO 141: ENVIRONMENT (4SR-HYD) GUARANTEE 2 years subject to terms and conditions 222 GENERAL CATALOGUE 6 Hz

2 PERFORMANCE RANGE 6 Hz n= 345 rpm SR7G 1 4SR1G 33 4SR13G 4SR25G 55 4SR33G 16 4SR45G 4SR6G 4SR75G 4SR9G NOMENCLATURE 4 SR 7G m / 5 - PD or HYD Borehole diameter in inches Series Flow rate at the point of highest efficiency Single-phase motor Motor power PD: pump with 4PD PEDROLLO motor HYD: pump without motor GENERAL CATALOGUE 6 Hz 223

3 4SR7G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR7G/ η = 43% SR7G/ SR7G/15 4SR7G/ SR7G/ POWER (P2) Single-phase Three-phase kw HP SR7Gm/7 4SR7G/ SR7Gm/1 4SR7G/ SR7Gm/15 4SR7G/ H metres SR7Gm/2 4SR7G/ SR7Gm/3 4SR7G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. 224 GENERAL CATALOGUE 6 Hz

4 4SR1G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR1G/ η = 47% SR1G/3 4SR1G/ SR1G/15 5 4SR1G/ SR1G/ SR1G/ POWER (P2) Single-phase Three-phase kw HP SR1Gm/5 4SR1G/ SR1Gm/7 4SR1G/ SR1Gm/1 4SR1G/ SR1Gm/15 4SR1G/ H metres SR1Gm/2 4SR1G/ SR1Gm/3 4SR1G/ SR1G/ , = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. GENERAL CATALOGUE 6 Hz 225

5 4SR13G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR13G/5 η = 52% SR13G/3 4SR13G/ SR13G/ SR13G/1 4SR13G/ POWER (P2) Single-phase Three-phase kw HP SR13Gm/7 4SR13G/ SR13Gm/1 4SR13G/ SR13Gm/15 4SR13G/ H metres 4SR13Gm/2 4SR13G/ SR13Gm/3 4SR13G/ SR13G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. 226 GENERAL CATALOGUE 6 Hz

6 4SR25G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR25G/75 η = 6% SR25G/ SR25G/3 12 4SR25G/2 4 4SR25G/ SR25G/1 4SR25G/7 4SR25G/ POWER (P2) Single-phase Three-phase kw HP SR25Gm/5 4SR25G/ SR25Gm/7 4SR25G/ SR25Gm/1 4SR25G/ SR25Gm/15 4SR25G/ H metres 4SR25Gm/2 4SR25G/ SR25Gm/3 4SR25G/ SR25G/ SR25G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. GENERAL CATALOGUE 6 Hz 227

7 4SR33G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR33G/ η = 64% SR33G/ SR33G/ SR33G/ SR33G/2 4 4SR33G/15 4SR33G/1 4SR33G/7 4SR33G/ POWER (P2) Single-phase Three-phase kw HP SR33Gm/5 4SR33G/ SR33Gm/7 4SR33G/ SR33Gm/1 4SR33G/ SR33Gm/15 4SR33G/ SR33Gm/2 4SR33G/ H metres SR33Gm/3 4SR33G/ SR33G/ SR33G/ SR33G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. 228 GENERAL CATALOGUE 6 Hz

8 4SR45G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR45G/ η = 64% SR45G/ SR45G/ SR45G/3 6 4SR45G/2 4 4SR45G/15 4SR45G/ POWER (P2) Single-phase Three-phase kw HP SR45Gm/1 4SR45G/ SR45Gm/15 4SR45G/ SR45Gm/2 4SR45G/ SR45Gm/3 4SR45G/ H metres SR45G/ SR45G/ SR45G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. GENERAL CATALOGUE 6 Hz 229

9 4SR6G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR6G/1 7 η = 59% SR6G/ SR6G/ SR6G/3 5 4SR6G/2 4SR6G/ POWER (P2) Single-phase Three-phase kw HP SR6Gm/15 4SR6G/ SR6Gm/2 4SR6G/ , SR6Gm/3 4SR6G/ H metres 4SR6G/ SR6G/ SR6G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. 23 GENERAL CATALOGUE 6 Hz

10 4SR75G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR75G/ η = 59% SR75G/ SR75G/ SR75G/3 4SR75G/2 25 4SR75G/ POWER (P2) Single-phase Three-phase kw HP SR75Gm/15 4SR75G/ SR75Gm/2 4SR75G/ SR75Gm/3 4SR75G/ H metres 4SR75G/ SR75G/ SR75G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. GENERAL CATALOGUE 6 Hz 231

11 4SR9G CHARACTERISTIC CURVES AND PERFORMANCE DATA 6 Hz n= 345 rpm SR9G/ SR9G/75 η = 5% SR9G/ SR9G/ SR9G/ POWER (P2) Single-phase Three-phase kw HP SR9Gm/2 4SR9G/ SR9Gm/3 4SR9G/ SR9G/ H metres SR9G/ SR9G/ = Flow rate H = Total manometric head Tolerance of characteristic curves in compliance with EN ISO 996 Grade 3B. 232 GENERAL CATALOGUE 6 Hz

12 4SR POS. COMPONENT CONSTRUCTION CHARACTERISTICS 1 DELIVERY BODY Precision cast stainless steel AISI 34 complete with threaded delivery port in compliance with NPT ANSI B NON-RETURN VALVE Stainless steel AISI 34 3 MOTOR BRACKET Stainless steel AISI 34 in compliance with NEMA standards 4 IMPELLER Lexan 141-R 5 DIFFUSER Noryl FE152PW 6 STAGE CASING Stainless steel AISI 34 7 PUMP SHAFT Stainless steel AISI 34 8 PUMP BEARINGS Special technopolymer housing with stainless steel AISI 316, chrome oxide coated, sand resistant shaft bushing 9 DRIVE COUPLING Stainless steel AISI 316L up to 2.2 kw; stainless steel AISI 34 for higher powers 1 FILTER Stainless steel AISI CABLE COVER Stainless steel AISI MOTOR 4 4PD = PEDROLLO oil filled motor STANDARD INSTALLATION 9 5 1) Submersible pump 2) Power cable clamps 3) Level probes; prevent dry running 4) Bracket and anchorage cable 5) Pressure gauge 6) Non-return valve 7) Gate valve; for flow rate regulation 8) Power cable 9) Control box 1) Pressure vessel 11) Pressure switch 12) Electro valve/electro-compressor STATIC LEVEL DYNAMIC LEVEL STATIC LEVEL DYNAMIC LEVEL 2 1 min. 1 m min. 1 m min. 5 cm min. 5 cm The 4SR series pumps should be installed in boreholes of at least 4 (1 mm) in diameter. The pump should be lowered into the borehole, by means of the delivery pipe, to such a depth (min. 5 cm and at least one metres from the bottom) that it is completely immersed during operation when the level of water in the borehole may reduce. It is good practice to secure the pump by attaching a stainless steel cable to the anchorage points present on the delivery body. GENERAL CATALOGUE 6 Hz 233

13 4SR-PD Submersible pumps with PEDROLLO 4PD motor DIMENSIONS AND WEIGHT Safety cable anchorage point Ø DN PORT N DIMENSIONS mm kg Single-phase DN STAGES Ø h1 h2 h 1~ 4SR7G/7 - PD SR7G/1 - PD SR7G/15 - PD SR7G/2 - PD SR7G/3 - PD SR1G/5 - PD SR1G/7 - PD SR1G/1 - PD SR1G/15 - PD SR1G/2 - PD SR1G/3 - PD ¼" 4SR13G/7 - PD SR13G/1 - PD SR13G/15 - PD SR13G/2 - PD SR13G/3 - PD SR25G/5 - PD SR25G/7 - PD SR25G/1 - PD SR25G/15 - PD SR25G/2 - PD SR25G/3 - PD SR33G/5 - PD SR33G/7 - PD SR33G/1 - PD SR33G/15 - PD SR33G/2 - PD SR33G/3 - PD SR45G/1 - PD SR45G/15 - PD SR45G/2 - PD " 4SR45G/3 - PD SR6G/15 - PD SR6G/2 - PD SR6G/3 - PD SR75G/15 - PD SR75G/2 - PD SR75G/3 - PD SR9G/2 - PD SR9G/3 - PD h1 h2 h PORT N DIMENSIONS mm kg Three-phase DN STAGES Ø h1 h2 h 3~ 4SR7G/7 - PD SR7G/1 - PD SR7G/15 - PD SR7G/2 - PD SR7G/3 - PD SR1G/5 - PD SR1G/7 - PD SR1G/1 - PD SR1G/15 - PD SR1G/2 - PD SR1G/3 - PD SR1G/5 - PD SR13G/7 - PD SR13G/1 - PD 1¼" SR13G/15 - PD SR13G/2 - PD SR13G/3 - PD SR13G/5 - PD SR25G/5 - PD SR25G/7 - PD SR25G/1 - PD SR25G/15 - PD SR25G/2 - PD SR25G/3 - PD SR25G/5 - PD SR25G/75 - PD SR25G/1 - PD SR33G/5 - PD SR33G/7 - PD SR33G/1 - PD SR33G/15 - PD SR33G/2 - PD SR33G/3 - PD SR33G/5 - PD SR33G/75 - PD SR33G/1 - PD SR45G/1 - PD SR45G/15 - PD SR45G/2 - PD SR45G/3 - PD SR45G/5 - PD SR45G/75 - PD SR45G/1 - PD SR6G/15 - PD 2" SR6G/2 - PD SR6G/3 - PD SR6G/5 - PD SR6G/75 - PD SR6G/1 - PD SR75G/15 - PD SR75G/2 - PD SR75G/3 - PD SR75G/5 - PD SR75G/75 - PD SR75G/1 - PD SR9G/2 - PD SR9G/3 - PD SR9G/5 - PD SR9G/75 - PD SR9G/1 - PD GENERAL CATALOGUE 6 Hz

14 4SR-HYD DIMENSIONS AND WEIGHT (PUMP ONLY) Ø DN h1 h PORT Pump DN STAGES Ø h1 h N DIMENSIONS mm 4SR7G/7 - HYD SR7G/1 - HYD SR7G/15 - HYD SR7G/2 - HYD SR7G/3 - HYD SR1G/5 - HYD SR1G/7 - HYD SR1G/1 - HYD SR1G/15 - HYD SR1G/2 - HYD SR1G/3 - HYD SR1G/5 - HYD SR13G/7 - HYD SR13G/1 - HYD 1¼" SR13G/15 - HYD SR13G/2 - HYD SR13G/3 - HYD SR13G/5 - HYD SR25G/5 - HYD SR25G/7 - HYD SR25G/1 - HYD SR25G/15 - HYD SR25G/2 - HYD SR25G/3 - HYD SR25G/5 - HYD SR25G/75 - HYD SR25G/1 - HYD SR33G/5 - HYD SR33G/7 - HYD SR33G/1 - HYD SR33G/15 - HYD SR33G/2 - HYD SR33G/3 - HYD SR33G/5 - HYD SR33G/75 - HYD SR33G/1 - HYD SR45G/1 - HYD SR45G/15 - HYD SR45G/2 - HYD SR45G/3 - HYD SR45G/5 - HYD SR45G/75 - HYD SR45G/1 - HYD SR6G/15 - HYD 2" SR6G/2 - HYD SR6G/3 - HYD SR6G/5 - HYD SR6G/75 - HYD SR6G/1 - HYD SR75G/15 - HYD SR75G/2 - HYD SR75G/3 - HYD SR75G/5 - HYD SR75G/75 - HYD SR75G/1 - HYD SR9G/2 - HYD SR9G/3 - HYD SR9G/5 - HYD SR9G/75 - HYD SR9G/1 - HYD kg GENERAL CATALOGUE 6 Hz 235