SRN III Steel Crossflow Tower

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SRN III steel crossflow tower for industrial HVAC and process cooling. Get a Quote

Description

SRN Type III Steel Crossflow Open Circuit Cooling Tower is a crossflow, open circuit cooling tower family with industrial steel construction. It is configured against project water temperatures, wet-bulb conditions, water quality, noise limits and site constraints.

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Complete Model Specifications

All 114 catalog models below were transcribed from the Apex product brochure and assigned to this product family. Scroll horizontally on smaller screens. Final project selection remains subject to thermal and site verification.

114 catalog models in this product family.

Published catalog ratings at 37 °C hot water / 32 °C cold water / 28 °C wet-bulb, 99.4 kPa. Other duties require engineering re-selection.

Model Flow (m³/h) Head (kPa) Dimensions (mm) Fan Ø (mm) Motor (kW) Net weight (kg) Operating weight (kg) Inlet DN Outlet DN Overflow DN Drain DN Makeup DN
SRN-162911LG 60 38 1600+80 × 2900+80 × 3150 1200 1.5 609 1859 80×2 125 50 50 25
SRN-162912LG 66 38 1600+80 × 2900+80 × 3150 1200 2.2 625 1875 80×2 125 50 50 25
SRN-162913LG 72 38 1600+80 × 2900+80 × 3150 1200 3 641 1891 100×2 125 50 50 25
SRN-162914LG 68 45 1600+80 × 2900+80 × 3790 1200 1.5 672 1942 80×2 125 50 50 25
SRN-162915LG 74 45 1600+80 × 2900+80 × 3790 1200 2.2 688 1958 100×2 125 50 50 25
SRN-162916LG 79 45 1600+80 × 2900+80 × 3790 1200 3 719 1989 100×2 125 50 50 25
SRN-183111LG 80 38 1800+80 × 3100+80 × 3150 1350 2.2 756 1986 100×2 125 50 50 25
SRN-183112LG 88 38 1800+80 × 3100+80 × 3150 1350 3 772 2002 100×2 125 50 50 25
SRN-183113LG 96 38 1800+80 × 3100+80 × 3150 1350 4 814 2044 100×2 125 50 50 25
SRN-183114LG 89 45 1800+80 × 3100+80 × 3790 1350 2.2 861 2091 100×2 125 50 50 25
SRN-183115LG 98 45 1800+80 × 3100+80 × 3790 1350 3 877 2107 100×2 125 50 50 25
SRN-183116LG 107 45 1800+80 × 3100+80 × 3790 1350 4 919 2149 100×2 125 50 50 25
SRN-203211LG 100 40 2000+80 × 3200+80 × 3300 1450 3 882 2272 100×2 125 50 50 25
SRN-203212LG 110 40 2000+80 × 3200+80 × 3300 1450 4 893 2283 100×2 125 50 50 25
SRN-203213LG 120 40 2000+80 × 3200+80 × 3300 1450 5.5 914 2304 125×2 150 50 50 25
SRN-203214LG 112 47 2000+80 × 3200+80 × 3910 1450 3 987 2377 100×2 125 50 50 25
SRN-203215LG 122 47 2000+80 × 3200+80 × 3910 1450 4 998 2388 125×2 150 50 50 25
SRN-203216LG 134 47 2000+80 × 3200+80 × 3910 1450 5.5 1019 2409 125×2 150 50 50 25
SRN-243411LG 125 40 2400+80 × 3400+80 × 3300 1800 4 1103 2853 125×2 150 50 50 25
SRN-243412LG 135 40 2400+80 × 3400+80 × 3300 1800 5.5 1124 2874 125×2 150 50 50 25
SRN-243413LG 145 40 2400+80 × 3400+80 × 3300 1800 7.5 1134 2884 125×2 150 50 50 25
SRN-243414LG 140 47 2400+80 × 3400+80 × 3910 1800 4 1208 2958 125×2 150 50 50 25
SRN-243415LG 148 47 2400+80 × 3400+80 × 3910 1800 5.5 1229 2979 125×2 150 50 50 25
SRN-243416LG 162 47 2400+80 × 3400+80 × 3910 1800 7.5 1239 2989 125×2 150 50 50 25
SRN-263811LG 150 40 2600+80 × 3800+80 × 3300 2100 5.5 1176 3536 125×2 150 50 50 25
SRN-263812LG 165 40 2600+80 × 3800+80 × 3300 2100 7.5 1187 3547 125×2 150 50 50 25
SRN-263813LG 180 40 2600+80 × 3800+80 × 3300 2100 11 1229 3589 125×2 200 50 50 25
SRN-263814LG 168 47 2600+80 × 3800+80 × 3910 2100 5.5 1302 3662 125×2 150 50 50 25
SRN-263815LG 184 47 2600+80 × 3800+80 × 3910 2100 7.5 1313 3673 125×2 150 50 50 25
SRN-263816LG 201 47 2600+80 × 3800+80 × 3910 2100 11 1355 3715 125×2 200 50 50 25
SRN-294011LG 175 41 2900+80 × 4000+80 × 3400 2100 5.5 1344 3744 125×2 200 50 50 25
SRN-294012LG 190 41 2900+80 × 4000+80 × 3400 2100 7.5 1355 3755 125×2 200 50 50 25
SRN-294013LG 205 41 2900+80 × 4000+80 × 3400 2100 11 1397 3797 125×2 200 50 50 25
SRN-294014LG 195 48 2900+80 × 4000+80 × 4010 2100 5.5 1470 3870 125×2 200 50 50 25
SRN-294015LG 212 48 2900+80 × 4000+80 × 4010 2100 7.5 1481 3881 125×2 200 50 50 25
SRN-294016LG 229 48 2900+80 × 4000+80 × 4010 2100 11 1523 3923 125×2 200 50 50 25
SRN-304211LG 185 41 3000+80 × 4200+80 × 3400 2400 5.5 1628 5408 125×2 200 50 50 25
SRN-304212LG 200 41 3000+80 × 4200+80 × 3400 2400 7.5 1638 5418 150×2 200 50 50 25
SRN-304213LG 220 41 3000+80 × 4200+80 × 3400 2400 11 1680 5460 150×2 200 50 50 25
SRN-304214LG 202 48 3000+80 × 4200+80 × 4010 2400 5.5 1754 5534 150×2 200 50 50 25
SRN-304215LG 225 48 3000+80 × 4200+80 × 4010 2400 7.5 1764 5544 150×2 200 50 50 25
SRN-304216LG 245 48 3000+80 × 4200+80 × 4010 2400 11 1806 5586 150×2 200 50 50 25
SRN-305011LG 250 46 3000+80 × 5000+80 × 3900 2600 7.5 2079 6579 150×2 250 80 80 40
SRN-305012LG 275 46 3000+80 × 5000+80 × 3900 2600 11 2121 6621 150×2 250 80 80 40
SRN-305013LG 295 46 3000+80 × 5000+80 × 3900 2600 15 2174 6674 150×2 250 80 80 40
SRN-305014LG 280 53 3000+80 × 5000+80 × 4440 2600 7.5 2237 6737 150×2 250 80 80 40
SRN-305015LG 305 53 3000+80 × 5000+80 × 4440 2600 11 2279 6779 150×2 250 80 80 40
SRN-305016LG 328 53 3000+80 × 5000+80 × 4440 2600 15 2331 6831 150×2 250 80 80 40
SRN-335411LG 300 46 3300+80 × 5400+80 × 3900 2800 11 2541 7241 150×2 250 80 80 40
SRN-335412LG 330 46 3300+80 × 5400+80 × 3900 2800 15 2594 7294 150×2 250 80 80 40
SRN-335413LG 360 46 3300+80 × 5400+80 × 3900 2800 18.5 2636 7346 150×2 250 80 80 40
SRN-335414LG 336 53 3300+80 × 5400+80 × 4440 2800 11 2699 7399 150×2 250 80 80 40
SRN-335415LG 369 53 3300+80 × 5400+80 × 4440 2800 15 2751 7451 200×2 250 80 80 40
SRN-335416LG 403 53 3300+80 × 5400+80 × 4440 2800 18.5 2793 7493 200×2 300 80 80 40
SRN-355611LG 350 47 3500+80 × 5600+80 × 4000 3000 11 2709 7929 150×2 250 80 80 40
SRN-355612LG 385 47 3500+80 × 5600+80 × 4000 3000 15 2762 7982 200×2 250 80 80 40
SRN-355613LG 420 47 3500+80 × 5600+80 × 4000 3000 18.5 2804 8024 200×2 300 80 80 40
SRN-355614LG 390 54 3500+80 × 5600+80 × 4540 3000 11 2898 8118 200×2 250 80 80 40
SRN-355615LG 430 54 3500+80 × 5600+80 × 4540 3000 15 2951 8171 200×2 300 80 80 40
SRN-355616LG 470 54 3500+80 × 5600+80 × 4540 3000 18.5 2993 8213 200×2 300 80 80 40
SRN-385811LG 400 47 3800+80 × 5800+80 × 4000 3200 11 3098 9398 150×4 300 100 100 50
SRN-385812LG 440 47 3800+80 × 5800+80 × 4000 3200 15 3150 9450 150×4 300 100 100 50
SRN-385813LG 480 47 3800+80 × 5800+80 × 4000 3200 18.5 3192 9492 150×4 300 100 100 50
SRN-385814LG 448 54 3800+80 × 5800+80 × 4540 3200 11 3329 9629 150×4 300 100 100 50
SRN-385815LG 492 54 3800+80 × 5800+80 × 4540 3200 15 3381 9681 150×4 300 100 100 50
SRN-385816LG 535 54 3800+80 × 5800+80 × 4540 3200 18.5 3423 9723 150×4 300 100 100 50
SRN-406011LG 450 47 4000+80 × 6000+80 × 4000 3200 15 3423 9863 150×4 300 100 100 50
SRN-406012LG 495 47 4000+80 × 6000+80 × 4000 3200 18.5 3465 9905 150×4 300 100 100 50
SRN-406013LG 540 47 4000+80 × 6000+80 × 4000 3200 22 3476 9916 150×4 300 100 100 50
SRN-406014LG 504 54 4000+80 × 6000+80 × 4540 3200 15 3686 10126 150×4 300 100 100 50
SRN-406015LG 554 54 4000+80 × 6000+80 × 4540 3200 18.5 3728 10168 150×4 300 100 100 50
SRN-406016LG 604 54 4000+80 × 6000+80 × 4540 3200 22 3738 10178 150×4 300 100 100 50
SRN-406211LG 500 52 4000+80 × 6200+80 × 4550 3400 15 3906 11346 150×4 300 100 100 50
SRN-406212LG 550 52 4000+80 × 6200+80 × 4550 3400 18.5 3948 11388 150×4 300 100 100 50
SRN-406213LG 595 52 4000+80 × 6200+80 × 4550 3400 22 3959 11399 150×4 350 100 100 50
SRN-406214LG 560 60 4000+80 × 6200+80 × 5380 3400 15 4169 11609 150×4 300 100 100 50
SRN-406215LG 615 60 4000+80 × 6200+80 × 5380 3400 18.5 4211 11651 150×4 350 100 100 50
SRN-406216LG 665 60 4000+80 × 6200+80 × 5380 3400 22 4221 11661 150×4 350 100 100 50
SRN-426511LG 550 52 4200+80 × 6500+80 × 4550 3700 18.5 4179 12349 150×4 300 100 100 50
SRN-426512LG 605 52 4200+80 × 6500+80 × 4550 3700 22 4190 12360 150×4 350 100 100 50
SRN-426513LG 655 52 4200+80 × 6500+80 × 4550 3700 30 4232 12402 150×4 350 100 100 50
SRN-426514LG 615 60 4200+80 × 6500+80 × 5380 3700 18.5 4473 12643 150×4 350 100 100 50
SRN-426515LG 675 60 4200+80 × 6500+80 × 5380 3700 22 4515 12685 150×4 350 100 100 50
SRN-426516LG 730 60 4200+80 × 6500+80 × 5380 3700 30 4557 12727 200×4 350 100 100 50
SRN-456511LG 600 54 4500+80 × 6500+80 × 4600 3700 18.5 4463 13083 150×4 350 100 100 50
SRN-456512LG 660 54 4500+80 × 6500+80 × 4600 3700 22 4505 13125 150×4 350 100 100 50
SRN-456513LG 720 54 4500+80 × 6500+80 × 4600 3700 30 4547 13167 200×4 350 100 100 50
SRN-456514LG 670 61 4500+80 × 6500+80 × 5430 3700 18.5 4778 13398 150×4 350 100 100 50
SRN-456515LG 735 61 4500+80 × 6500+80 × 5430 3700 22 4820 13440 200×4 350 100 100 50
SRN-456516LG 805 61 4500+80 × 6500+80 × 5430 3700 30 4862 13482 200×4 350 100 100 50
SRN-506811LG 800 58 5000+80 × 6800+80 × 5250 4000 30 5691 15231 200×4 350 100 100 50×2
SRN-506812LG 880 58 5000+80 × 6800+80 × 5250 4000 37 5817 15357 200×4 400 100 100 50×2
SRN-506813LG 960 58 5000+80 × 6800+80 × 5250 4000 45 5901 15441 200×4 400 100 100 50×2
SRN-506814LG 895 67 5000+80 × 6800+80 × 6120 4000 30 6059 15599 200×4 400 100 100 50×2
SRN-506815LG 985 67 5000+80 × 6800+80 × 6120 4000 37 6185 15725 200×4 400 100 100 50×2
SRN-506816LG 1070 67 5000+80 × 6800+80 × 6120 4000 45 6269 15809 200×4 400 100 100 50×2
SRN-557811LG 900 60 5500+80 × 7800+80 × 5650 4200 30 6143 17933 200×4 400 100 100 50×2
SRN-557812LG 990 60 5500+80 × 7800+80 × 5650 4200 37 6269 18079 200×4 400 100 100 50×2
SRN-557813LG 1080 60 5500+80 × 7800+80 × 5650 4200 45 6353 18163 200×4 400 100 100 50×2
SRN-557814LG 1005 70 5500+80 × 7800+80 × 6500 4200 30 6668 18458 200×4 400 100 100 50×2
SRN-557815LG 1105 70 5500+80 × 7800+80 × 6500 4200 37 6794 18584 200×4 400 100 100 50×2
SRN-557816LG 1205 70 5500+80 × 7800+80 × 6500 4200 45 6878 18668 250×4 450 100 100 50×2
SRN-608111LG 1000 60 6000+80 × 8100+80 × 5650 4500 30 7224 21224 200×4 400 100 100 50×2
SRN-608112LG 1100 60 6000+80 × 8100+80 × 5650 4500 37 7350 21350 200×4 400 100 100 50×2
SRN-608113LG 1200 60 6000+80 × 8100+80 × 5650 4500 45 7434 21434 200×4 400 100 100 50×2
SRN-608114LG 1120 70 6000+80 × 8100+80 × 6500 4500 30 7854 21854 200×4 400 100 100 50×2
SRN-608115LG 1230 70 6000+80 × 8100+80 × 6500 4500 37 7980 21980 250×4 450 100 100 50×2
SRN-608116LG 1340 70 6000+80 × 8100+80 × 6500 4500 45 8064 22064 250×4 450 100 100 50×2
SRN-608311LG 1150 68 6000+80 × 8300+80 × 6250 4700 37 8148 23138 200×6 400 100 100 50×2
SRN-608312LG 1280 68 6000+80 × 8300+80 × 6250 4700 45 8232 23222 200×6 450 100 100 50×2
SRN-608313LG 1400 68 6000+80 × 8300+80 × 6250 4700 55 8400 23390 200×6 500 100 100 50×2
SRN-608314LG 1285 80 6000+80 × 8300+80 × 7450 4700 37 9198 24188 200×6 450 100 100 50×2
SRN-608315LG 1430 80 6000+80 × 8300+80 × 7450 4700 45 9282 23272 200×6 500 100 100 50×2
SRN-608316LG 1560 80 6000+80 × 8300+80 × 7450 4700 55 9450 23440 250×6 500 100 100 50×2

Sound and drift data available on request for the selected model.

Published Selection Basis

  • Inlet water temperature: 37°C
  • Outlet water temperature: 32°C
  • Wet-bulb temperature: 28°C
  • Atmospheric pressure: 99,400 Pa
  • Water temperature drop: 5°C

Engineering Information Required

Send design flow, entering and leaving water temperatures, design wet-bulb temperature, installation altitude, circulating-water quality, noise target, power supply and footprint limits. Apex will confirm the final model, cell quantity, materials, motor configuration, piping and delivery scope.

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Our commitments

Reply within 24 hours; quotation within 2–3 working days.

Warranty: 16 months from shipment or 12 months from commissioning, whichever comes first.

Third-party inspection and factory witness testing welcome.

Designed per CTI methods; CTI-certified manufacturing available on request (project-specific documentation).

Frequently Asked Questions

Are your towers CTI certified?

Our towers are designed per CTI methods. If your specification requires CTI-certified equipment, tell us at RFQ stage: for eligible series we provide project-specific CTI documentation from the manufacturing partner with the quotation.

What warranty do you offer?

16 months from shipment or 12 months from commissioning, whichever comes first.

Can we inspect before shipment?

Yes. Third-party inspection and factory witness testing are welcome, by appointment.

How fast will we get a quotation?

We reply within 24 hours and send a quotation within 2–3 working days once we have your duty data.

Additional information

Series

SRN

Circuit

Open circuit

Flow arrangement

Crossflow

Construction

Steel

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