Products
Gear Pumps
Centrifugal Pumps
Flexible Impeller Pumps
Applications
Agriculture
General Purpose
Industrial
Marine
Oil & Gas
Transportation
Resources
Download Center
About Us
History of Oberdorfer
Careers
About Ingersoll Rand
Contact Us
Want a make purchase?
Have a specific question?
Need service support?
Find a Dealer
Product Image - Chemsteel S417 ISO
Product Image - Chemsteel S417 SIDE
Product Image - Chemsteel CUT (SXXX)
Product Image - Chemsteel S417 ISO
Product Image - Chemsteel S417 SIDE
Product Image - Chemsteel CUT (SXXX)
Back to the product list

Chemsteel S946 | Chemical Gear Pump

The Chemsteel S946 Gear Pump is engineered for precision and durability in handling both common and highly corrosive liquids. Designed with high-grade materials such as stainless steel and Alloy C, this pump ensures purity, reliability, and long service life. Its compact, three-part construction and bi-directional flow capability make it ideal for demanding industrial applications where performance and chemical resistance are critical.

Advantages:

  • Exceptional chemical resistance for harsh environments 

  • Quiet and efficient operation with helical gears 

  • Customizable gear and seal configurations 

  • Easy to maintain with modular design 

  • Trusted by industries worldwide for reliability and performance 

  • Compatible with global motor standards 

  • Designed for long service life and low total cost of ownership 

  • Corrosion-Resistant Construction:
    Built with stainless steel or Alloy C housing and gears, ensuring long-term durability in aggressive chemical environments. 

  • Versatile Gear Options:
    Available in 316 stainless steel, Alloy C, PTFE, and PEEK for compatibility with a wide range of fluids. 

  • Flexible Seal Options:
    Includes lip seals, packing, and mechanical seals to suit various operational needs. 

  • Bi-Directional Operation:
    Supports reversing flow, ideal for systems requiring flexible fluid direction. 

  • Quiet Performance:
    Helical gearing reduces operational noise by up to 10 dB. 

  • Easy Maintenance:
    Three-part housing and full-size bearings simplify disassembly and servicing. 

  • Global Compatibility:
    FIT connections and adapters compatible with both NEMA and IEC motor frames. 

  • Leak Prevention:
    TFE-encapsulated silicone O-rings provide elastic memory for long-lasting, leak-free sealing. 

Maximum Flow @ 1750 RPM 

30 GPM / 113.6 LPM 

Theoretical Displacement 

76.9 cc/revolution 

Maximum Differential Pressure 

150 psig / 10.3 bar 

Maximum System Pressure 

225 psig / 15.5 bar 

Maximum Speed 

1800 RPM 

Fluid Temperature Range 

-50°F to 450°F / -46°C to 232°C 

NPSHR @ 1750 RPM 

10 feet / 3.0 meters 

Standard Port Size 

1 1/2" FNPT / 1 1/2" BSPT 

Weight 

10 lbs / 4.5 kg 


Special materials combinations are available for specific liquids: 

  • Stainless or Alloy C housing construction. 

  • Gears available in 316 stainless, Alloy C. Also in PTFE White and Polyetheretherketone. 

  • Shafts are 316 stainless steel or Alloy C. 

  • Bearings available in carbon or PTFE White or PTFE Red. 

  • Full range of seal options including lip seal, packing and mechanical designs. 

Data Sheet - S946 M [EN] (dual units).png

Data Sheet - S946 [EN] (dual units)

Data Sheet, English, Dual Units
I and O - Chemical Gear Pumps [EN].png

I and O - Chemical Gear Pumps [EN]

IOM, English
I and O - Chemsteel Sealed Rotary Gear Pumps [EN].png

I and O - Chemsteel Sealed Rotary Gear Pumps [EN]

IOM, English
Leaflet - Chemkit.pdf - Adobe Acrobat (64-bit).png

Leaflet - Chemkit

Leaflet, English
Pump Selection Guide - Chemsteel [EN].png

Pump Selection Guide - Chemsteel [EN]

Guide, English
Brochure - Chemsteel.png

Brochure - Chemsteel [EN] (dual units)

Brochure, Chemsteel
Brochure - Chemsteel H [ENG].png

Brochure - Chemsteel H [EN]

Brochure, English
Find a Distributor