HNP

Internal Pressurized Circulation Pump

API685 Plan 1-SD

Suitable for handling volatile fluids, especially those with low vapor pressure.

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Design Features

Design Features of the Hayward Tyler Internal Pressurized Circulation Pump Model

Basic design using an auxiliary impeller adds additional internal pressure to the circulated fluid. Used with handling volatile fluids, especially those with low vapor pressure. Available with instrumentation options.

Key Benefits:

  • No leakage
  • No external lubrication
  • Airtight
  • Compact design
  • No shaft seal
  • Low noise and vibration
Plan 1-SD. Blue arrows indicate the fluid flow through the motor.
Codes & Specifications

Codes & Specifications

Operating Data

SIUS
CapacityMax: 600 m3/h2650 USgpm
Total HeadMax: 160 m525 ft.
OutputMax 132 kW177 hp
VFD CompatibleYesYes

Codes and Compliances:

  • Flange standards available to meet ANSI B73, ISO 2858, GB and other international standards
  • API 685 design available
  • Explosion proof design to ATEX II 2G Ex “d” IIC T4 Gb
  • Materials available to ASTM, EN, GB or other international standards
  • Compliant with EU Machinery Directive 2006/42/EC
Hydraulic Range

Hydraulic Range

2900/1450 rpm

Click to Enlarge

3840/1740 rpm

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Applications

Common Applications

Hayward Tyler Canned Motor Pumps are ideal for applications that:
  • Pose a pollution hazard to the surrounding environment
  • Have a fire or explosion risk
  • Can cause a public hazard due to toxicity or related properties
  • Use fluids that react with air to form dangerous fluids, or air interferes with the system process
  • Use fluids that solidify easily, are at high-temperature or cryogenic
  • Use fluids that contain solid particles
  • Utilize high system pressure or severe conditions
Download our list of typical fluids handled by Hayward Tyler Canned Motor Pumps:

Industries

Typical industries for our Canned Motor Pumps include:
  • Chemical
  • Petrochemical
  • Hydrogen Production
  • Nuclear
  • Offshore Oil & Gas
  • Aerospace
  • HVAC
  • Locomotive Cooling System
  • Refrigeration
  • Pharmaceuticals
Documents

Documents

Download our brochures to read more about all Hayward Tyler Canned Motor Pumps:

Download our list of typical fluids handled by Hayward Tyler Canned Motor Pumps:

Sectional Arrangement

Click the numbers below to learn more about the individual features of this canned motor pump.

Instrumentation Options

Click the numbers below to learn more about the individual features of this canned motor pump.

Interested in learning more about our Internal Pressurized Circulation Pump?

Please fill out the adjacent form, and a Hayward Tyler product expert will get in touch with you shortly.

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