Product Details
Neles ND7000 Series Intelligent Digital Valve Controller for
Pneumatic Actuator Control
Product Overview
The Neles ND7000 Series (including ND7100/ND7200 models) represents
the pinnacle of intelligent digital valve control technology.
Designed for precise pneumatic actuator regulation, this
factory-customized solution integrates adaptive control algorithms
with robust diagnostics to optimize valve performance across linear
and rotary applications. As a HART-enabled smart controller, it
delivers unparalleled accuracy in industrial automation
environments.
Technical Parameters
Parameter | Specification |
---|
Input Signal | 4-20 mA (HART 6/7 compatible) |
Output Pressure Range | 0.2-1.0 bar (3-15 psi) |
Actuator Compatibility | Pneumatic diaphragm/cylinder (linear 10-300mm, rotary 45-135°) |
Communication Protocol | HART 7, Foundation Fieldbus, PROFIBUS PA |
Protection Class | IP66 / NEMA 4X |
Temperature Range | -40°C to +85°C (-40°F to +185°F) |
Power Supply | 24V DC (loop-powered) |
Response Time | <0.2 seconds (typical) |
Weight | 2.4-3.2 kg (5.3-7.0 lbs) model-dependent |
Certifications | SIL 3, ATEX/IECEx, CSA |
Key Features
Adaptive Digital Control
- Auto-calibration for varying actuator sizes and process conditions
- Real-time parameter adjustment via HART/Fieldbus
Advanced Diagnostics
- Continuous valve health monitoring with self-diagnostics
- Predictive maintenance alerts and performance trending
Factory-Customized Design
- Tailored solutions for specific actuator types and flow
requirements
- Corrosion-resistant materials for harsh environments
User-Friendly Interface
- Local configuration via 3-button LUI with LCD display
- Remote access through FieldCare™ or AMS Device Manager
Safety & Compliance
- SIL 3 certification for critical process control
- Hazardous area approvals (ATEX Zone 1/21, IECEx)
Applications
Process Industries: Oil & gas, chemical processing, power generation, water treatment
Valve Types: Globe, butterfly, ball valves (linear/rotary)
Automation Systems: Integration with DCS/PLC via HART/Foundation Fieldbus
Critical Services: Emergency shutdown (ESD), high-pressure/temperature applications
Contact Us
Phone: +8613916209596 (WeChat/WhatsApp supported)
Email: sveta@gongboshi.com
Website: https://www.shgongboshi.com/contactus.html
Company Profile
Xiangjing (Shanghai) - Leading Distributor of Pneumatic and
Electric Control Valves
Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and
Electrical Tech Co.,Ltd has been a trusted distributor of
high-quality pneumatic and electric control valves for many years.
With extensive industry experience, we provide our customers with a
comprehensive range of products from renowned global brands,
ensuring reliability and performance in industrial automation and
control systems.
Our Product Portfolio:
- Pneumatic Control Valves: We offer top-tier products from industry giants such as Fisher,
Samson, Koso, Masoneilan, Flowserve, Metso/Neles, CCI/STI, HORA,
KTM, Sempell, Keystone, WEIR, Azbil, and leading Chinese brands.
- Safety Valves: Our selection includes Crosby, Dresser, Leser, and various
well-established Chinese brands.
- Electric Actuators: We supply high-quality actuators from ROTORK, Limitorque, Auma,
SIPOS, PS, and other respected Chinese manufacturers.
- Measurement and Instrumentation: Our portfolio features reliable pressure, temperature, level, and
flow transmitters from Rosemount, E+H, Yokogawa, ABB, Siemens,
VEGA, Krohne, Magnetrol, , and Chinese brands.
- Distributed Control Systems (DCS): We provide advanced systems from leading brands such as Ovation,
DeltaV, Schneider-Foxboro, Honeywell, and ABB.
Why Choose Us?
- Extensive Experience: With years of expertise in control valves and instrumentation, we
have developed a deep understanding of our customers' needs and
requirements, enabling us to offer tailored solutions that optimize
performance and efficiency.
- Diverse Product Range: We are proud to offer both internationally recognized and
high-quality Chinese brands, ensuring that we can meet a wide range
of customer specifications with competitive pricing and short
delivery times.
- Reliable Support: Our team is committed to providing exceptional customer service
and technical support, helping customers select the right products
and ensuring seamless integration into their systems.
We are confident that our rich industry experience and diverse
product offerings will make us a strong partner in fulfilling your
automation and control needs. We look forward to the opportunity
for long-term and mutually beneficial cooperation.