Speck NP16 14 210 15 210 18 140 21 140 L

Summary

Product identification

• High-Pressure Plunger Pumps, Series NP16
• Models: NP16/14-210, NP16/15-210, NP16/18-140, NP16/21-140

Operating limits

• Data provided is for intermittent operation. Data for continuous operation is available on request.
• A safety valve must be installed in accordance with guidelines for liquid spraying units, set so that the admissible operating pressure cannot be exceeded by more than 10%. Pump operation without a safety valve, or any excess in temperature or speed limits, automatically voids the warranty.

Feed water

• Suitable for pumping clean water and other non-aggressive or abrasive media with a specific weight similar to water.
• Prior to pumping any other media, a check must be made to determine the suitability and resistance of the pumps (standard or special version), taking pump performance and temperature values into consideration.
• Particular care must be taken when pumping warm water, making absolutely sure that cavitation cannot occur.

Electrical

• Power consumption values are listed in the Operating Limits table.
• A general formula for calculating power is: P (bar) x Q (l/min) = kW / 475

Mechanical / hydraulic

• Dimensions:

• Construction Characteristics:
  • Crankcase of solid aluminium-cast.
  • Crankshaft and ball bearings together with plain bearing con rod all run in oil.
  • Solid ceramic plunger.
  • Double plunger sealing with leakage-return.
  • All gaskets in seal sleeves ensuring precise centring and easy replacement.
  • Identical suction and discharge valves, easily accessible.
• Materials Used:
  • Valve Casing: Special Brass.
  • Plunger: Ceramic.
  • Valves: High-Grade Stainless Steel.
  • Sleeves: Nitrile with fabric reinforcing.
  • Support Rings: Teflon with graphite, run-dry-proof.
  • Crankshaft: Drop-forged and case-hardened.
• Installation Notes:
  • Even though SPECK-TRIPLEX NP16 pumps run almost pulsation-free, a pressure accumulator may be necessary depending on the construction of the unit and the operating conditions. The same effect can also be achieved by using flexible pressure lines.
  • Use of a pulsation damper adds considerably to the life of the seals and bearings.

Special versions

• All models of the NP16 series are also available with nickel-plated valve casings under the supplement 'nickel-plated'.
• Special seals are available upon request.

Disclaimer

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

Official datasheet (PDF)

Lenntech datasheet mirror