P-Series - Nitrex
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P-Series

The P-SERIES is part of the NITREX portfolio of nitriding/nitrocarburizing systems and is designed primarily for commercial heat-treating companies.

P-SERIES takes advantage of the best-in-class Nitrex nitriding/nitrocarburizing furnaces and features flexible controls based on UPC-Marathon PROTHERM™ controllers, which are capable of running the most advanced user-configured recipes with % Diss, KN, KC, and KO setpoints to meet AMS 2759/10 and 2759/12* standards. PROTHERM™ controllers are feature-rich and offer easy connectivity to the PROTHERM™ 9800 Production Management Software or to third-party SCADA systems. The integrated recipe builder allows users to design recipes by configuring process parameters such as % Diss, KN, KC, KO, temperature, atmosphere mixtures, furnace pressure, and more.

The P-Series opens new avenues for expert users looking to leverage and support their in-house recipe development and process design capabilities.

Click Here to download our Free P-SERIES Brochure

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FURNACE TYPES

The P-Series is available in three different batch furnace types – NXKP, NXHP, and NXP.

The multipurpose NXKP series is a compact and economical choice for use in small-scale processing as well as process development. The heavy-duty NXHP and NXP series provide flexibility for a wide range of applications from small to high volume batch processing.

Furnaces are designed to have fast heating and cooling rates, as well as uniform temperature and atmosphere throughout the work zone. By incorporating multiple controlled heating zones, temperature uniformity inside the retort is +/-5 °C (9 °F) or better.

 

NXKP SERIES COMPACT FURNACES
Standard Sizes †
ModelDiameterHeightLoad Capacity
Working Zone Dimensions NXKP-409 15¾” / 400 mm 35½” / 900 mm660 lbs / 300 kg
Working Zone Dimensions NXKP-41215¾” / 400 mm 47¼” / 1200 mm880 lbs / 400 kg
Working Zone Dimensions NXKP-60923½” / 600 mm35½” / 900 mm1300 lbs / 600 kg
Working Zone Dimensions NXKP-61223½” / 600 mm47¼” / 1200 mm1700 lbs / 800 kg
Working Zone Dimensions NXKP-81231½” / 800 mm47¼” / 1200 mm2200 lbs / 1000 kg

NXHP SERIES HORIZONTAL FURNACES
Standard Sizes †
ModelDimensions (W x H x L)Load Capacity
Working Zone Dimensions NXHP-66923½” x 23½” x 35½” 600 x 600 x 900 mm 1700 lbs / 800 kg
Working Zone Dimensions NXHP-661223½” x 23½” x 47¼” 600 x 600 x 1200 mm 2200 lbs / 1000 kg
Working Zone Dimensions NXHP-981235½” x 31½” x 47¼” 900 x 800 x 1200 mm 3300 lbs / 1500 kg
Working Zone Dimensions NXHP-981835½” x 31½” x 71” 900 x 800 x 1800 mm 5500 lbs / 2500 kg
Working Zone DimensionsNXHP-10101539½˝ x 39½˝ x 59˝ 1000 x 1000 x 1500mm5500 lbs 2500 kg
Working Zone DimensionsNXHP-10101839½˝ x 39½˝ x 71″ 1000 x 1000 x 1800mm6600 lbs / 3000 kg

NXP SERIES PIT FURNACES
Standard Sizes †
ModelDiameterHeightLoad Capacity
Working Zone DimensionsNXP-61523½” / 600 mm59” / 1500 mm2200 lbs / 1000 kg
NXP-62023½” / 600 mm78¾” / 2000 mm2600 lbs / 1200 kg
NXP-81531½” / 800 mm59” / 1500 mm3300 lbs / 1500 kg
NXP-82031½” / 800 mm78¾” / 2000 mm3850 lbs / 1750 kg
NXP-82531½” / 800 mm98½” / 2500 mm4400 lbs / 2000 kg
NXP-101539” / 1000 mm59” / 1500 mm4400 lbs / 2000 kg
NXP-102039” / 1000 mm78¾” / 2000 mm5500 lbs / 2500 kg
NXP-102539” / 1000 mm98½” / 2500 mm6600 lbs / 3000 kg
NXP-121547¼” / 1200 mm59” / 1500 mm6600 lbs / 3000 kg
NXP-122047¼” / 1200 mm78¾” / 2000 mm8400 lbs / 3800 kg
NXP-122547¼” / 1200 mm98½” / 2500 mm9900 lbs / 4500 kg
NXP-123047¼” / 1200 mm118” / 3000 mm11570 lbs / 5250 kg
NXP-162561” / 1550 mm98½” / 2500 mm13200 lbs / 6000 kg
NXP-163061” / 1550 mm118” / 3000 mm15400 lbs / 7000 kg
NXP-163561” / 1550 mm137¾” / 3500 mm17600 lbs / 8000 kg
NXP-164561” / 1550 mm177” / 4500 mm22000 lbs / 10000 kg

PROCESS CONTROLS

 

The PROTHERMTM series of controllers enable flexible and convenient control of a Nitrex batch furnace, providing the ability to run, monitor, record, and archive even the most complex nitriding and nitrocarburizing processes. PROTHERM™ regulates all furnace functions, nitriding/nitrocarburizing cycles with % Diss, KN, KC, and KO setpoints, as well as alarms and maintenance tasks.

Rich features like live trending, built-in data logging, integrated web server, SCADA connectivity, as well as a wide range of maintenance and safety functions come standard with Protherm. The integral H2Smart™ sampling system ensures extremely accurate measurement of hydrogen in the process atmosphere, achieving precise control of processes.

FEATURES & BENEFITS

FURNACES

  • Inconel 600 (refractory steel) retort and racking for long service life and non-reactive interaction with nitriding atmosphere
  • Uniform temperature distribution obtained through independently controlled heating zones and intensive atmosphere circulation ensuring full control of nitriding potential throughout all stages of the process
  • Light ceramic fiber insulation reduces heat loss and thus energy consumption
  • Kanthal long-lasting heating elements
  • Efficient internal recirculation ensures uniform process atmosphere
  • Heating system provides exceptional temperature uniformity throughout the workload
  • Larger furnaces may be equipped with a ‘Turbo’ cooler for accelerated load cooling. This option is used where productivity is a major issue
  • Preconfigured and factory-tested
  • Fully automated operation guarantees repeatable and consistent results
  • System for data archiving and reporting as well as remote diagnostics
  • SCADA connectivity
  • Clean, environmentally-friendly processes powered by Nitrex effluent neutralizers
  • Some pit furnaces may be equipped with a vacuum purging system. This option significantly accelerates exchange of atmosphere in the retort and is very useful in nitriding stainless steels.

PROCESS CONTROL

  • PID control loops to regulate configured process parameters such as temperature, furnace pressure, flows and atmosphere parameters (KN, KC, KO, etc.)
  • Real-time control of all process stages
  • Process parameters configured with alarm limits
  • Notification and processing alarms
  • Chart recorder to provide continuous recording of process variables
  • Recipe library to create and save up to 999 recipes
  • Built-in user and group security with multiple access levels

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