KS SKS series pumps

Summary

Product Identification

This summary details the Taco SKS Series Pump, Model SKS1016.

• Model: SKS1016
• RPM: 1760
• Horsepower (HP): 125HP
• Effective Date: December 22, 2022
• Supersedes: September 8, 2020

The product data table indicates fields for Impeller Diameter, GPM, Head/FT, Weight Pump/Motor, Frequency, Phase, and Voltage, but specific values for these are not provided in this extract for the SKS1016 model.

Operating Limits

• Flange Pressure & Temperature:
  • ANSI Class 125: 175 PSIG (1210 KPA) at 250°F (120°C)
  • ANSI Class 250: 300 PSIG (2070 KPA) at 250°F (120°C)
• Ambient Temperature: -10°C to 45°C up to 1000 meters above sea level (-14°F to 113°F up to 3300 feet above sea level)
• Operating Medium: Curves are based on clear water with a specific gravity of 1.0.

Electrical

• Horsepower (HP): 125
• Motor Frame (TEFC): 444TC
• Motor Frame (ODP): 405CZ

Drive Data (Control Unit)

• Standard Protocols: BACnet, Modbus RTU, N2 Metasys, FLN Apogee, FC Protocol
• Optional Protocols: LonWorks®, DeviceNet, Profibus
• Enclosure Options: NEMA Type 1 / IP21, NEMA Type 12 / IP55, NEMA Type 4X / IP66
• Standard I/O:
  • 6 Digital Inputs / 2 Digital Outputs
  • 1 Analog Current Output / 2 Analog Inputs
  • 2 Pulse Inputs
  • 2 Form C Relays
• Additional Control Options: General Purpose I/O, Relay Card, 24VDC Supply, Analog I/O
• Disconnect Switch Options: Mechanical, Fused
• EMC/RFI Control: Integrated filter designed to meet EN61800-3
• Harmonic Suppression: Dual DC-link chokes (Equivalent: 5% AC line reactor), Supporting IEEE 519-1992 requirements
• Cooling: Fan-cooled through back channel
• Control Connections:
  • Analog input (follower signal): 2; selectable voltage or current, direct and inverse acting
  • Digital inputs (programmable): 6 (2 can be used as digital outputs)
  • Analog outputs (programmable): 1; 0/4 to 20 mA
  • Relay outputs (programmable): 2 standard Form C 240 V AC, 2 A; 1 or 3 additional optional
  • Auxiliary voltage: +24 V DC, maximum 200 mA
  • Communication port: 1 RS485, 1 USB

A table detailing power ranges (HP/kW) for various frame sizes (A2 through D2) and voltages (200V-240V, 380V-480V, 525V-600V) for the control unit is provided in the official PDF. For the 125HP model, frame size C2 supports 100-125HP for 380V-480V and 525V-600V. See the official PDF for exact tabulated values.

Mechanical / Hydraulic

• Flange Size (Suction x Discharge): 10 x 10 (254 x 254)
• Weight (for 125HP):
  • Without optional stand: 2969 LBS (1347 KG)
  • With optional stand: 3069 LBS (1392 KG)
• Support Stand Option: Ductile Iron ASTM A536-84 Grade 65-45-12

Dimensions (English in inches, Metric in millimeters)

• A*:
  • ANSI CLASS 125: 26.08 (662)
  • ANSI CLASS 250: 26.77 (680)
• B*:
  • ANSI CLASS 125: 23.08 (586)
  • ANSI CLASS 250: 23.76 (604)
• C: 13.65 (347)
• D:
  • 33.49 (851) (likely for TEFC motor frame 444TC)
  • 37.44 (951) (likely for ODP motor frame 405CZ)
• E MAX:
  • 38.53 (979) (likely for TEFC motor frame 444TC)
  • 43.49 (1105) (likely for ODP motor frame 405CZ)
• F: 13.28 (337)
• G: 18.69 (475)
• J DIA:
  • 21.42 (544) (likely for TEFC motor frame 444TC)
  • 24.56 (624) (likely for ODP motor frame 405CZ)
• K:
  • 18.65 (474) (likely for TEFC motor frame 444TC)
  • 20.75 (527) (likely for ODP motor frame 405CZ)
• L:
  • 37.34 (948) (likely for TEFC motor frame 444TC)
  • 39.45 (1002) (likely for ODP motor frame 405CZ)
• M: 8.75 (222)
• N: 7.20 (183)
• P: 16.50 (419)
• Q: 0.75 (19)
• R: 14.50 (368)
• S: 4
• T: 5/8-11 UNC-2B

A detailed table of backplate mounting hole dimensions for various frame sizes (A2 through D2) is available in the official PDF. See the official PDF for exact tabulated values.

Materials of Construction

Standard Construction (Bronze Fitted)

• Casing: Ductile Iron ASTM A536-84 Grade:65-45-12
• Impeller: Bronze ASTM B583-836
• Wear Ring: None
• Shaft: St. Steel AISI 416 ASTM A582
• Coupling: Aluminum Alloy 6061-T6
• Mechanical Seal: Ceramic / EPT
• Seal Flush Line: Copper
• Support Stand: N/A (Optional)

Optional (Bronze Fitted)

• Impeller: Consult Factory (CF)
• Wear Ring: Bronze ASTM B584-932 SAE660
• Mechanical Seal: Tungsten Carbide / EPT
• Seal Flush Line: Consult Factory (CF)
• Support Stand: Ductile Iron ASTM A536-84 Grade 65-45-12

Standard Construction (All Iron)

• Casing: Ductile Iron ASTM A536-84 Grade:65-45-12
• Impeller: Cast Iron ASTM A48 Class 30A
• Wear Ring: None
• Shaft: St. Steel AISI 416 ASTM A582
• Coupling: Aluminum Alloy 6061-T6
• Mechanical Seal: Ceramic / EPT
• Seal Flush Line: Stainless Steel
• Support Stand: N/A (Optional)

Optional (All Iron)

• Impeller: Consult Factory (CF)
• Mechanical Seal: Tungsten Carbide / EPT
• Seal Flush Line: Consult Factory (CF)
• Support Stand: Ductile Iron ASTM A536-84 Grade 65-45-12

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Taco OEM PDF (SKS submittal — Lenntech catalog link 404)