ERH 4700 compact (oil/emulsion)

At ELWA, we manufacture premium-quality electric continuous flow heaters in a variety of designs, offering unmatched flexibility and customization to perfectly meet the needs of your specific application. Our heaters are built to deliver reliable, high-quality performance across various industries, including marine, industrial, and energy sectors.

Since their introduction to the market, the heaters of the 4700 series are the reference when it comes to perfect temperature control, heat transfer and flexibility in combination with a minimized footprint.

  • Tailored to Your Process Requirements
    The series 4700 heaters are modular, with adjustable heating power and transmission surface for a precise design of the surface load.
  • German Engineering Excellence
    Designed and manufactured in Germany, ensuring precision, durability, and reliability.
  • Compact and efficient Design
    Due to the reduced volume in the heater we achieve short resting times and high control accuracy.
  • Highest Quality Standards
    ISO 9001 certified for consistent, high-quality products.
  • Environmentally Responsible
    ISO 14001 certified for sustainable manufacturing practices.
  • Classification
    Our products can be certified by classification institutes as needed, accommodating even the most complex requirements.
ELWA Serie 4712-EVO

Process Parameters

  • Power: up to 40 kW in compact design (depending on the permissible surface load)
  • Operating Voltage: Specially designed heating elements allow a voltage range between 220 VAC and 690 VAC
  • Temperature: standard design for max 100°C
  • Pressure: 6 bar in standard design

Working Fluids & Surface Load

Our heaters are designed to handle demanding fluids with critical surface load considerations. Our ERH 4700 is designed to work with oil and emulsion fluids.

Special metals and heating element surfaces ensure compatibility with these fluids. Our years of experience enables us to advise you on the desing.

Process Integration

Mechanical Integration:

  • Standard: R 1″ pipe thread (male)
  • Optional: SAE 1″ flanges

Electrical Integration & Control Systems:

  • Easy integration with preconfigured control systems for straightforward commissioning
  • Includes process control with sensors and safety temperature limiters as well as an optional saftey valve

Classifications

We have extensive experience working with classification institutes for both marine and onshore systems, ensuring our products meet rigorous industry standards and certifications.

 

 

 

 

Our services

We not only manufacture extremely reliable heaters. We offer our customers a wide range of supportive services:

We understand your application and are happy to advise you how to integrate our product into your process in the most efficient way. Please make use of our expertise.

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You need support on site to get your system up and running again? – of course we will do everything we can to make it happen. We will either deploy our own service staff or coordinate support through our approved service partners.

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We offer service contracts for projects in DACH area.

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We hold most spare parts on stock or can procure and supply on short notice.

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We manufacture efficiently at low cost and with high delivery reliability customer specific solutions.