Double Block and Bleed Valves Manufacturers in India (1)

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DOUBLE BLOCK BLEED FOR ISOLATION
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WHAT IS A DOUBLE BLOCK AND BLEED VALVES?
DBB VALVES
A DBB valve integrates two isolation valves and a
bleed valve, ensuring secure blockage on both
sides while safely discharging trapped fluid.
Ideal for depressurizing systems during
maintenance or inspection without halting
operations.
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WHY CHOOSE
DOUBLE BLOCK AND BLEED VALVES
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• Isolating pipelines for maintenance or repair.
• Ensuring safety during meter calibration.
• Preventing cross-contamination in crude oil and
  gas streams.
• Depressurizing systems for pigging operations.
• Enhancing safety in offshore and onshore drilling
  rigs.

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CHEMICAL PROCESSING

• Isolating hazardous chemical pipelines.
• Preventing leaks in processes involving corrosive
  fluids.
• Ensuring safe maintenance of heat exchangers and
  reactors.
• Allowing safe depressurization in hazardous
  zones.
• Protecting personnel during toxic gas handling
  operations.

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POWER GENERATION

• Isolating high-pressure steam lines.
• Ensuring safe maintenance of turbines and
  boilers.
• Protecting systems during hydrostatic testing.
• Controlling flow in critical cooling water
  circuits.
• Safeguarding pressure-sensitive equipment in
  power plants.

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PHARMACEUTICAL INDUSTRY

• Isolating pure water and chemical pipelines.
• Preventing cross-contamination in drug
  manufacturing processes.
• Ensuring sterile maintenance of production
  systems.
• Managing high-purity gas lines during
  calibration.
• Supporting safe depressurization for cleaning
  validation.

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FOOD AND BEVERAGE INDUSTRY

• Ensuring clean isolation of liquid and gas lines.
• Preventing cross-contamination in processing
  lines.
• Safeguarding systems during maintenance in
  CIP/SIP processes.
• Controlling flow in carbonated beverage
  production.
• Maintaining hygiene standards in high-pressure
  pipelines.

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MARINE INDUSTRY

• Isolating fuel oil and ballast systems.
• Ensuring safe maintenance of hydraulic pipelines.
• Preventing leakage in ship engine cooling
  systems.
• Isolating and depressurizing fire suppression
  systems.
• Managing flow control in cargo transfer
  operations.

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WATER TREATMENT

• Isolating pipelines carrying treated and
  untreated water.
• Depressurizing filtration systems for
  maintenance.
• Preventing cross-contamination in chemical dosing
  systems.
• Managing flow in desalination and RO systems.
• Enhancing safety during storage tank operations.

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AEROSPACE INDUSTRY

• Isolating high-pressure fuel systems in aircraft.
• Controlling hydraulic systems during ground
  testing.
• Safeguarding cryogenic systems for spacecraft
  applications.
• Preventing leaks in pressurized gas systems.
• Ensuring safety in auxiliary power unit
  maintenance.

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PULP AND PAPER INDUSTRY

• Isolating high-pressure steam lines in paper
  mills.
• Controlling chemicals in bleaching processes.
• Depressurizing pipelines for maintenance in pulp
  processing.
• Preventing leakage in black liquor recovery
  systems.
• Safeguarding valves in pressurized water systems
  for cleaning.

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PRODUCT EFFECTIVENESS
Double Block and Bleed (DBB) Valves ensure
reliable system isolation, prevent leakage, and
enhance operational safety. Their compact design
minimizes maintenance downtime, ensures precise
depressurization, and reduces the risk of
cross-contamination in critical applications.
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DBB VALVES
Double Block and Bleed Valves enhance safety,
prevent leakage, reduce maintenance downtime, and
ensure precise isolation and depressurization in
critical systems, making them ideal for various
industries.
Enhanced Safety Prevents leakage and ensures
system integrity during maintenance.
Compact Design Combines two isolation valves,
saving space and weight.
Efficient Maintenance Allows depressurization
without shutting down the entire system.
Cost-Effective Reduces the need for multiple
valves and associated piping.
Leak Prevention Ensures complete blockage and
avoids cross-contamination.
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TECHNICAL SPECIFICATIONS OF DOUBLE BLOCK AND
BLEED VALVES

• Valve Type Ball, Gate, Plug, Needle, or Globe
  valves.
• Sizes From ½ inch to 24 inches.
• Pressure Rating ANSI Class 150 to 2500 or PN
  equivalent.
• Temperature Range -50C to 400C.
• End Connections Flanged, Threaded, Butt Weld, or
  Socket Weld.
• Materials Carbon Steel, Stainless Steel, Duplex
  Steel, and Alloys.
• Design Standards API 6D, ASME B16.34, ISO 14313.
• Testing Standards API 598, ISO 5208 compliance.
• Operation Manual, Pneumatic, Hydraulic, or
  Electric Actuation.
• Special Features Fire-safe design, anti-static
  devices, and bleed valve for pressure relief.

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TYPES OF DOUBLE BLOCK BLEED VALVE
Double Block And Bleed Valves
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7506682777
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