Serving India, Africa & Middle East since 2003
HomeAboutProductsOur ProcessProjectsGalleryBlogContact
Services

Flow Control Systems

Pulp & Chemical Flow Control Systems — Turnkey Solution by Rajshree India

Get a Free Quote 📞 Talk to an Expert
🔄
QUICK ANSWER

Rajshree Group supplies complete Flow Control Systems for pulp, chemical, water, and steam lines in paper and pulp mills. Accurate flow control is essential for consistent stock consistency, chemical dosing, and energy management.

Product Overview

Our systems integrate control valves, flow meters, actuators, and controllers into reliable, precision-engineered solutions.

Key Features

  • Electromagnetic flow meters for pulp slurries
  • Mass flow meters for chemical dosing

Applications

  • Stock preparation flow control
  • Chemical dosing precision control
  • White and black liquor flow measurement
  • Steam and condensate metering
  • Water and effluent flow monitoring

Our Turnkey Project Process

1
Consultation & Feasibility
We understand your requirements, site conditions, and budget to prepare a detailed feasibility report.
2
Engineering & Design
Complete process design, P&IDs, civil layout, electrical single lines, and equipment specifications.
3
Manufacturing & Supply
In-house and vendor-sourced equipment manufactured, quality-inspected, and dispatched on schedule.
4
Installation & Commissioning
Our engineers supervise erection, electrical, instrumentation, and commission the plant to design parameters.
5
Training & After-Sales Support
Hands-on operator training, performance guarantee trial, and ongoing technical support for the life of the plant.

Technical Specifications

Flow MetersElectromagnetic / Coriolis / Vortex
Control ValvesGlobe / Butterfly / Pinch
ActuatorsPneumatic / Electric / Hydraulic
Turndown RatioUp to 100:1
Accuracy±0.2 – 0.5%
Signal4–20 mA / HART / Profibus
📋

Get a Free Quote

Tell us your capacity requirement and we'll send a detailed technical and commercial proposal within 48 hours.

Request a Quote →

Contact Our Experts

📞+91 87996 27889 📞+1 (219) 256-9887 ✉️sales@rajshreeent.com
📍🏢 Head Office: 60, Swapnil-2 Industrial Park, Kuha, Ahmedabad - 382433, Gujarat, India |
📍 Branch Office: 1913 Gunbarrel Road, Suite 105 Chattanooga, TN 37421, USA |
📍 Branch Office: D7, Varsity Chateau, Uniport Road Aluu, Port Harcourt, Rivers State, Nigeria |

Why Choose Rajshree?

  • 20+ years industry experience
  • 22+ successful projects delivered
  • Serving India, Africa & Middle East
  • Complete turnkey — single point responsibility
  • After-sales support and spare parts
  • Competitive pricing and financing options

Precision Flow Control: The Hidden Driver of Paper Quality and Chemical Efficiency

In a paper or pulp mill, flow rates are rarely static — production speed changes, raw material consistency varies, and process conditions shift continuously. Without accurate flow measurement and tight control, pulp consistency at the headbox drifts, chemical dosing becomes imprecise, and steam consumption climbs. Flow control systems are the nervous system of mill process automation, and their quality directly determines paper machine runnability and product consistency.

Rajshree Group's flow control scope covers all fluid types encountered in a pulp and paper mill: low-consistency pulp stock (0.5–5% consistency), high-consistency pulp (8–15%), white liquor and black liquor, bleaching chemicals, process water, steam, and compressed air. Each fluid type requires a specific measurement technology — electromagnetic flowmeters for conductive liquids, Coriolis meters for high-accuracy chemical dosing, vortex meters for steam, and differential pressure instruments for air.

Rajshree's flow control systems are engineered as complete packages — from field instrument selection and sizing through to control valve actuation, control loop configuration, and DCS integration. We do not supply instruments in isolation; each flow control loop is delivered as a calibrated, tested, and documented system ready for connection to your process piping and control platform.

📊 Chemical Dosing Accuracy

Rajshree's chemical dosing flow control systems achieve dosing accuracy of ±0.5% of setpoint for bleaching chemicals — compared to ±3–5% for manual or basic pneumatic systems. This precision translates directly to pulp brightness consistency and reduced chemical overconsumption, with typical savings of 3–8% on annual bleaching chemical costs.

Frequently Asked Questions

Rajshree supplies electromagnetic flow meters for stock and process water lines, Coriolis mass flow meters for chemical dosing, vortex flow meters for steam lines, differential pressure flow elements for large pipe applications, and ultrasonic clamp-on meters for retrofits. All instruments are calibrated to ISO 17025 traceable standards before delivery.
In paper manufacturing, flow accuracy determines consistency of pulp consistency (stock dilution), chemical dosing rates, steam consumption, and water balance. A 1% error in basis weight stock flow can cause unacceptable basis weight variation on the paper machine. Rajshree designs flow control loops with ±0.5% accuracy for critical process lines.
Yes. Rajshree supplies instruments with 4–20 mA HART, FOUNDATION Fieldbus, or PROFIBUS PA outputs compatible with all major DCS systems. We provide loop documentation, instrument tag lists, and hook-up drawings formatted for the client's DCS engineer. Integration testing is performed during commissioning with the client's DCS team present.
Rajshree's electromagnetic flow meters provide ±0.3–0.5% of reading accuracy over a flow range of 10:1 (turndown). The sensors are lined with PTFE or rubber depending on the fluid handled, and the electrode material is selected for the specific process chemistry (316L SS for clean water, Hastelloy for chlorinated bleach plant flows).
Yes. Rajshree designs and supplies complete flow measurement and control packages for all process lines in a pulp mill: white water, thick stock, thin stock, bleaching chemical dosing (ClO₂, H₂O₂, NaOH), cooking chemical, steam, condensate, and process water. All flow meters are supplied with the appropriate transmitter, indicator, and control valve as a package.

Countries We Serve

Rajshree Group supplies and installs our Flow Control Systems — and complete pulp & paper mill machinery — for mills across India, Africa and the Middle East, with sea-freight delivery, on-site erection, commissioning and after-sales support in every market we serve.

IndiaNigeriaKenyaGhanaSouth AfricaEgyptTanzaniaUgandaSaudi ArabiaUAE

Explore More Products

🏗️
HCL Plant
View Details →
🤖
Industrial Automation
View Details →
🌿
Kenaf Pulp
View Details →
🏭
Kraft Paper Machine
View Details →
🪵
Log Receiving
View Details →