DCT10 Pressure Reducing Control Valve
Devinsan offers hydraulic stability solutions engineered for precise, downstream pressure management and protection against damaging high-pressure transients. Designed for optimal network integrity and long-term reliability, these DCT10 Pressure Reducing Control Valve units utilize pilot-operated mechanics to meet the critical demands of modern municipal and large industrial water distribution.
Production Standard
Nominal Dimension (DN)
Nominal Pressure (PN)
Operating Temperature
Connection
Coating
Testing
DN 40 – DN 200
PN 6-PN 10-PN 16
-30° / +200°
EN 1092-2 ISO7005-2 Flanged
Electrostatic Powder Epoxy
TS EN 14384
Application Areas
The DCT10 Pressure Reducing Control Valve is widely used across diverse industrial and commercial sectors, delivering reliable flow control and long‑lasting performance.
1. Water and Wastewater Systems
2. Chemical Industry
3. Food and Beverage Industry
4. Pharmaceutical Industry
5. Oil and Gas Industry
6. HVAC (Heating, Ventilation, Air Conditioning) Systems
In these applications, this type DCT10 Pressure Reducing Control Valve ensures precise fluid control, maintains excellent sealing integrity, and supports efficient, safe operation even under demanding conditions.
The DCT10 Pressure Reducing Control Valve is a sophisticated, hydraulically-operated valve specifically engineered to automatically reduce a higher upstream pressure to a constant, lower downstream pressure, regardless of fluctuations in upstream flow or pressure. Designed to meet the stringent demands of modern infrastructure, this specialized valve ensures consistent system pressure, minimizes leakage, and prolongs the lifespan of all downstream components.
At the core of the DCT10 Pressure Reducing Control Valve is its diaphragm-actuated main valve controlled by a pilot system. The pilot mechanism senses the downstream pressure and modulates the main valve opening accordingly. This proportional control action ensures extreme accuracy in maintaining the set point, which is crucial for preventing pipe bursts, excessive wear on fixtures, and water loss across extensive distribution zones.
Manufactured from high-strength, corrosion-resistant materials (such as ductile iron) and built with a robust, globe-style body, the DCT10 Pressure Reducing Control Valve is designed to withstand continuous high pressure and dynamic operational forces. Its specialized geometry and trim design help manage fluid velocity and energy dissipation, effectively mitigating the destructive effects of cavitation and noise typically associated with severe pressure drops.
The DCT10 Pressure Reducing Control Valve is ideally suited for applications at zone boundaries within municipal distribution networks, high-pressure pump discharge areas, gravity feed lines from reservoirs, and anywhere that precise and reliable control over system pressure is essential for safety and water conservation. Its superior regulation characteristics and dependable operation make it a preferred choice for engineers seeking a high-integrity, standards-compliant solution for long-term network efficiency and protection.
In summary, the DCT10 Pressure Reducing Control Valve offers an optimal combination of hydraulic stability, precise pressure management, and robust cavitation mitigation. With its pilot-operated design, durable construction, and focus on steady downstream delivery, this unit stands as a trusted solution for modern fluid control and large pipeline network requirements worldwide.
1. General Information
The DCT10 Pressure Reducing Control Valve is designed for the accurate, automatic regulation of downstream pressure in pressurized systems. Proper installation, including securing isolation valves, is essential to guarantee safe operation, long service life, and efficient system performance.
2. Safety Precautions
Installation must be performed by qualified personnel only.
Ensure strict compliance with all local safety regulations and standards concerning working with high-pressure pipelines and heavy component lifting.
Wear appropriate personal protective equipment (PPE).
Confirm that the pipeline section is fully depressurized, isolated, and drained before attempting to install the DCT10 Pressure Reducing Control Valve.
3. Pre-Installation Checklist
Inspect the DCT10 Pressure Reducing Control Valve for any visible damage during transport or storage, paying attention to the main valve diaphragm housing and pilot tubing integrity.
Check that the valve type, size, and pressure rating match the system requirements and the required set point.
Verify that the valve interior and pilot line strainers are clean and free from debris.
Confirm that the mating pipeline flanges are properly aligned (parallel and concentric) and free from burrs or sharp edges.
Ensure sufficient space is available above the valve for pilot access and main cover removal during maintenance.
4. Installation Procedure
Positioning: Install the DCT10 Pressure Reducing Control Valve ensuring the flow direction adheres to the arrow cast on the body.
The valve is typically installed with a dedicated isolation valve on either side and a bypass line for redundancy.
Use the appropriate gaskets suitable for the medium and operating conditions.
Align the valve precisely between the pipeline flanges and insert bolts, tightening them gradually and crosswise in incremental steps.
Do not exceed the specified torque to prevent stress on the valve body.
5. Post-Installation
Slowly open the upstream isolation valve to reintroduce fluid and pressurize the system, checking immediately for leaks around the flange connections and the pilot tubing.
If leakage is detected, depressurize the system immediately and re-tighten the bolts or connections following the cross-pattern sequence.
Verify the pilot system adjustment and confirm the downstream pressure gauge reflects the required set point.
Record the installation details, set pressure, and final notes for documentation purposes.
Proper maintenance extends the service life of the DCT10 Pressure Reducing Control Valve and ensures continuous, accurate pressure regulation. Follow the guidelines below to maximize the longevity of this essential unit.
1. Routine Operation
Visually inspect the DCT10 Pressure Reducing Control Valve exterior and pilot line tubing regularly (e.g., monthly) for signs of external leakage, vibration, or corrosion.
Monitor the downstream pressure gauge closely to confirm that the set point is being maintained accurately under varying flow conditions.
2. Inspection Schedule
Monthly, check the pilot system strainers and filters (if present) for fouling and clean them to ensure accurate pressure sensing.
Quarterly, check the function of the main valve by monitoring its opening and closing stroke during high and low-flow demand periods.
Annually, perform a detailed internal inspection by removing the main cover to check the condition of the diaphragm, seating surface, and stem seals for wear or pitting.
3. Lubrication
The DCT10 Pressure Reducing Control Valve typically utilizes fluid-lubricated internal parts (water).
External stem threads or guides (if applicable) may require periodic lubrication; use only recommended grease types.
4. Seal and Gasket Replacement
Replace the main cover/diaphragm gasket and pilot tubing seals immediately if external leakage is observed.
The main valve seat and disc seals should be replaced if pressure cannot be maintained at the set point (i.e., the valve leaks through when attempting to close).
Always isolate the valve and fully depressurize and drain the line before attempting any maintenance work requiring cover removal.
5. Cleaning
Keep the exterior of the DCT10 Pressure Reducing Control Valve clean to prevent surface corrosion.
If the valve is disassembled, clean all internal guiding surfaces and the pilot line components carefully to ensure precision hydraulic response.
6. Storage and Spare Parts
Store spare parts (diaphragms, pilot kits, gaskets) in a dry, clean, and cool environment, away from direct sunlight and temperature extremes.
Maintain a detailed record of all inspections, pressure tests, and repairs performed on the DCT10 Pressure Reducing Control Valve unit.
We prioritize quality at every stage of production to deliver durable, safe, and efficient products. Our continuous improvement and strict quality controls keep us at the forefront of the industry.
Our certifications prove our commitment to excellence and compliance with international standards, ensuring the safety and reliability of our products worldwide.
We continuously invest in innovation and quality to expand our certifications and meet evolving industry needs.
Frequently Asked Questions about the DCT10?
What are the main advantages of this valve?
The DCT10 Pressure Reducing Control Valve provides precise and automatic control over downstream pressure, protecting the network from high static and transient pressures, thereby significantly minimizing pipe breaks and water loss.
Why should I choose this product?
This valve delivers outstanding performance in both sealing and durability, making it a dependable choice for demanding applications. Its straightforward design facilitates easy installation, offering flexibility during system design. With a wide range of material options, it meets the needs of various infrastructure projects, from municipal water networks to industrial facilities.
What is the role of the pilot system in the DCT10 Pressure Reducing Control Valve?
The pilot system acts as the “brain” of the valve; it constantly senses the downstream pressure and hydraulically directs pressure into or out of the main valve diaphragm chamber, ensuring the main valve modulates precisely to maintain the set pressure.
How does the DCT10 Pressure Reducing Control Valve manage energy dissipation?
The valve manages energy by dissipating the excess pressure through hydraulic friction as the fluid passes through the restricted flow area. The robust internal trim is designed to handle this high-energy process without suffering rapid erosion or cavitation damage.
Is a bypass line necessary when installing the DCT10 Pressure Reducing Control Valve?
A bypass line (or parallel installation) is highly recommended. This allows the system to continue operating (though manually regulated) while the DCT10 Pressure Reducing Control Valve is isolated and removed for routine maintenance or repair.
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