DCV16 Disco Check Valve
Devinsan offers ultra-compact, high-response non-return solutions engineered for immediate backflow prevention and system efficiency in constricted spaces. Designed for rapid, low-impact closure and universal installation, these DCV16 Disco Check Valve units combine a streamlined wafer design with internal spring action to meet the critical demands of modern municipal and industrial piping.
Production Standard
Nominal Dimension (DN)
Nominal Pressure (PN)
Operating Temperature
Design
Face to Face
Connection
Testing
DN 15 – DN 200
PN 6-PN 10-PN 16-PN25-PN40
-30° / +200°
EN 12334
EN 558 Series 49
EN 1092-1 ISO7005-2 Disco Type
EN 12266-1
Application Areas
The DCV16 Disco Check 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 DCV16 Disco Check Valve ensures precise fluid control, maintains excellent sealing integrity, and supports efficient, safe operation even under demanding conditions.
The DCV16 Disco Check Valve is a highly efficient and space-saving non-return valve specifically engineered to provide instant backflow prevention while maintaining maximum hydraulic efficiency. Designed to meet the stringent demands of modern infrastructure, this valve delivers fast-acting operational reliability, exceptional cost-effectiveness, and long-term durability in critical water, HVAC, and industrial applications.
At the core of the DCV16 Disco Check Valve is its simple, lightweight, disc-and-spring mechanism contained within a short wafer body. When forward flow pressure overcomes the spring force, the disc opens fully, providing a large flow area and ensuring minimal head loss. Upon flow deceleration or reversal, the spring instantly forces the disc back onto the seat before significant reverse flow can occur, guaranteeing a reliable, tight closure.
Manufactured from high-strength, corrosion-resistant materials and built with a compact, short face-to-face body, the DCV16 Disco Check Valve is designed to withstand continuous high flow rates and challenging fluid environments. Its wafer type design allows for secure installation by simply being sandwiched between standard pipeline flanges. This compact configuration drastically reduces the installation footprint and overall system weight compared to flanged check valves.
The DCV16 Disco Check Valve is ideally suited for applications in compressed air systems, heating and cooling loops, fire protection lines, and general utility services where space is limited and rapid response to flow reversal is essential. Its streamlined flow path and reliable performance make it a preferred choice for engineers seeking a high-integrity, standards-compliant solution for routine pipeline protection and fluid control.
In summary, the DCV16 Disco Check Valve offers an optimal combination of extreme compactness, hydraulic efficiency, and superior closing speed. With its spring-assisted disc, lightweight wafer construction, and proven durability, this unit stands as a trusted solution for modern fluid control and pipeline protection requirements worldwide.
1. General Information
The DCV16 Disco Check Valve is designed for use between standard ASME/DIN flanges in distribution networks, requiring fast and space-efficient backflow prevention. Proper installation is essential to guarantee safe operation, long service life, and efficient, leak-free performance.
2. Safety Precautions
Installation must be performed by qualified personnel only.
Ensure strict compliance with all local safety regulations and standards concerning pipeline pressure and equipment handling.
Wear appropriate personal protective equipment (PPE).
Confirm that the pipeline section is fully depressurized and drained before attempting to install the DCV16 Disco Check Valve.
3. Pre-Installation Checklist
Inspect the DCV16 Disco Check Valve for any visible damage during transport or storage, paying attention to the disc and spring mechanism stability.
Check that the valve type, size, and pressure rating match the system requirements.
Verify that the valve interior is clean and free from debris that could interfere with disc seating.
Confirm that the mating pipeline flanges are properly aligned (parallel and concentric) and free from burrs or sharp edges. Ensure that the installed length is sufficient for the wafer body and that the spring is intact.
4. Installation Procedure
Positioning: Install the DCV16 Disco Check Valve ensuring the flow direction matches the arrow cast on the valve body. The valve is suitable for horizontal, vertical (upward), or vertical (downward) installation, provided the spring is correctly rated.
Use the appropriate gaskets suitable for the medium and operating conditions, placing one on each side of the wafer body.
Align the valve precisely between the pipeline flanges and insert bolts, tightening them gradually and crosswise in incremental steps. This ensures even pressure on the gasket and prevents damage to the valve body.
5. Post-Installation
Slowly pressurize the system after installation and check for leaks around the flange connections. If leakage is detected, depressurize the system immediately and re-tighten the bolts following the cross-pattern sequence. Record the installation details, date, and final bolt torques for documentation purposes.
Proper maintenance extends the service life of the DCV16 Disco Check Valve and ensures reliable backflow prevention and efficient operation. Follow the guidelines below to maximize the longevity of this essential unit.
1. Routine Operation
Visually inspect the DCV16 Disco Check Valve exterior regularly to ensure the body is free of external corrosion, especially around the body bolts. Ensure that the flow velocity is maintained above the minimum required to fully open the disc and stabilize the spring, preventing constant fluttering.
2. Inspection Schedule
Monthly, check the valve exterior for external leaks around the flange connections.
Quarterly, listen for any ‘chattering’ noise during operation, which often indicates improper spring function or inadequate flow, requiring system adjustment.
Annually, perform a detailed inspection by removing the entire valve body from the line to check the spring integrity, disc seating surface, and seal condition.
3. Lubrication
The internal components and spring mechanism of the DCV16 Disco Check Valve are self-contained and designed to be maintenance-free. No external grease or oil is required for the disc assembly or sealing mechanism.
4. Seal and Gasket Replacement
Replace the flange gaskets immediately if external leakage is observed during operation. The internal disc seal or seating surfaces should only be replaced if consistent internal leakage (backflow) is detected after a shut-off test. Always depressurize and drain the pipeline thoroughly before attempting any internal maintenance work requiring flange separation.
5. Cleaning
Keep the exterior of the DCV16 Disco Check Valve clean to prevent surface corrosion, which is minimized by its compact, contained design. Ensure that the internal flow path remains clear of debris that could impede the disc’s spring-assisted seating action.
6. Storage and Spare Parts
Store spare parts (gaskets, replacement discs/seals) in a dry, clean, and cool environment, away from direct sunlight and harsh chemicals. Maintain a detailed record of all inspections, internal part replacements, and repairs performed on the DCV16 Disco Check 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 DCV16?
What are the main advantages of this valve?
The DCV16 Disco Check Valve offers highly advantageous due to its lightweight, compact wafer design, making installation easier and minimizing space requirements in tight plant layouts. Its rapid, spring-assisted closure prevents major water hammer.
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.
How does the DCV16's design contribute to overall system efficiency?
The design of the DCV16 Disco Check Valve ensures that when the disc is fully open, it creates a large, streamlined flow area with minimal hydraulic resistance. This action results in very low head loss, directly reducing the energy consumption required for continuous pumping, thus boosting overall system efficiency.
How does the DCV16 Disco Check Valve prevent water hammer?
The lightweight disc and torsion spring act instantly upon flow slowing down, closing the valve much faster than a standard swing valve and substantially mitigating the damaging pressure surge known as water hammer.
Can the DCV16 Disco Check Valve be used for pulsating flows?
While the DCV16 Disco Check Valve performs well, it is generally recommended to use lift-type check valves for highly pulsating flows. This model is best suited for high-velocity flows that remain relatively stable during operation.
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