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DTR

DTR
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DTR

Product catalog summary
Overview: The document discusses the functionality and specifications of a diaphragm type pressure reducing valve (PRV), which is used to prevent pipeline breakage by maintaining a set outlet pressure regardless of inlet pressure variations. These valves are applicable in water supply, air conditioning, and fire control systems.
Specifications:
  • Materials: The PRV components are made from materials such as ductile iron, bronze, and stainless steel. Specific parts like the diaphragm and sealing spacer use materials like NBR and Viton.
  • Test and Working Pressure: The document lists test and working pressures for different materials, with ductile iron, bronze, and stainless steel having varying pressure ratings.
Components:
  • The valve includes components such as the cover, center shaft, diaphragm, fixed bar, sealing spacer, seat, shaft, main body, spring, and strainer. Optional components include a stop valve and pilot reducing valve.
Flow Characteristics:
  • The flow chart provided indicates the relationship between pressure drop across the valve and flow rate for different valve sizes, ranging from 1.5 inches to 6 inches, with pressure drops from 1 to 12 bar.
Valve Sizes:
  • Various sizes of diaphragm type PRVs are listed, including DTR and DFR series, with sizes ranging from 1.5 inches to 12 inches, each with specific dimensions and flow rates.
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Catalog excerpts

DTR-1

DIAPHRAGM TYPE PRESSURE REDUCING VALVE Pressure reducing valve can prevent pipeline breakage due to high pressure. Pressure reducing valve can be installed in water supply pipeline and maintains the setting pressure in main valve outlet,regardless of the difference in the inlet pressure. Pressure reducing valve can be installed in water supply, air conditioning and fire control Systems to maintain the setting pressure in outlet. Test Pressure Ductile Iron Stainless Steel Working Pressure Ductile Iron Stainless Steel Cover Spring Fixed Bolt Stainless Steel Stainless Steel Stainless Steel Main Body Stainless Steel Stainless Steel Stainless Steel Ductile Iron Sealing Spacer Seat Ductile Iron NBR Bronze Ductile Iron Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Center Shaft Stainless Steel Strainer Stop Valve Stainless Steel Stainless Steel Pilot Reducing Valve Stainless Steel Stainless Steel Flow Chart of PRV (Diaphragm Type) 1400 Pressure drop across valve (bar)

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.