Fluidyne Instruments Private Limited
Fluidyne Instruments Private Limited
Chembur East, Mumbai, Maharashtra
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Breather Valve

We are a leading Exporter of breather valves, breather valve type, standard pressure cum vacuum relief valve (varac type) open to atmosphere, special pressure vacuum relief breather valves., vacuum breaker or vacuum relief-breather valve and pilot operated breather valves from Mumbai, India.

Breather Valves

Breather Valves
  • Breather Valves
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Fluidyne Breather Valves, also known as direct acting Pressure Vacuum Relief Valves, are types of Relief Valves designed for tank protection. The range includes:-

Pressure Vacuum Valve (PV-Valve)

Breather Valve - Pressure only,

Breather Valve - Vacuum only

Breather Valve with Flame Arrestor

 

All Fluidyne Breather Valves are available with flanged outlets or vented to atmosphere. Pressure/Vacuum Relief Valves are used mainly on bulk storage tanks, including fixed roof tanks with floating covers, to minimize evaporation loss. The Valves prevent the build-up of excessive pressure or vacuum which can unbalance the system or damage the storage vessel. Pressure and Vacuum protection are controlled with weight loaded pallets or springs loaded disc and the required Pressure/Vacuum settings are reached. Sometimes pressure settings require spring loaded disc and the vacuum settings use weight loaded pallet in one device. Fluidyne Breather Valves follow American Petroleum Institute Standard API 2000 or other applicable standard where tanks are generally large volume welded vessels that are built to API 650 standard. In order to accommodate large volumes at low set pressures, these Valves have ports that are larger in area than the inlet or nozzle connection. The low setting required generally require weight loaded disc or pallet and sometimes require spring loaded disc. Because of the above, a Breather Valve requires approximately 20% (minimum) to 100% over set pressure in order to reach full opening of the Valve.

DESIGN FEATURES :

 

 

Weight Loaded  & Spring Loaded Types

End - of - Line with “Weather Hood or In-Line Type.

Flanged or Screwed / Socket Weld ends

Different Types for every application

Pressure or Vacuum & Pressure cum Vacuum Types

Breather Valve with Flame Arrestor

Emergency Vents for Higher Flow

Open to Atmosphere or Inlet –Outlet Types.

Type Tested as Per API, ASME, CCOE, PESO Standards

 

DESIGN CODES

API- 2000 & API 650

API 520

IS 10987

EN-12874

ASME SEC-VIII DIV I

 

 

 

Note: For Safety Fittings like Spark Arresters, Free Vents, Emergency-Conservation Vents, Dip Sticks Dip Rods Dip Gauges, Gauge Hatch, Vent Nuts/Caps, Syphon bush, Fill caps, Lightning Arresters, Tyrus Valve, and for more details on Safety Fittings please refer to our section or category section on 'Safety Fittings'

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Breather Valve Type

Breather Valve Type
  • Breather Valve Type
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Breather Valve Type: Standard (Model PV-100)

Fluidyne Standard Breather Valves (Model PV-100) are Dead Weight type having pressure and vacuum pallets. In case of over pressure, the pressure disc opens to release air or vapour to atmosphere and in case of over vacuum the vacuum disc open inward to admit air to neutralize the vacuum in tank.

 

Breather Valve Type: Spring & Dead Weight (Model PV-110)

Fluidyne Spring & Dead Weight (Model PV-110) are Dead Weight and Spring Type having pressure pallet and vacuum disc. In case of over pressure, the pressure palletalong with vacuum disc opens to release air or vapour to atmosphere and in case of vacuum the vacuum disc open inward into tank to admit air to neutralize the vacuum in tank. Here the Vacuum setting is adjustable.

 

Breather Valve Type: Tyrus (Model-120)

Fluidyne Spring & Dead Weight (Model PV-120) are Spring loaded type having pressure and vacuum discs. In case of over pressure, the pressure disc opens to release air or vapour to atmosphere and in case of over vacuum the vacuum disc open inward into tank to admit air to neutralize the vacuum. Here the Pressure and Vacuum settings are both adjustable.

 

Breather Valve Type: In-Line (Model-130)

Fluidyne Spring & Dead Weight (Model PV-130) are In-Line Weight and Spring loaded type having pressure and vacuum discs. In case of over pressure, the pressure disc along with vacuum disc opens to release air or vapour downstream and in case of vacuum the vacuum disc open inward into line to admit air or vapour downstream to neutralize the vacuum. Here the Vacuum setting is adjustable. Valve need to be installed vertically.

 

Pressure Relief Breather Valve Type: Dead Weight (Model P-100)

Fluidyne Standard Pressure Relief Breather Valve (Model P-100) is Dead Weight type having a pressure pallet. In case of over pressure, the pressure disc opens to release air or vapour to atmosphere. Here Pressure setting cannot be adjusted.

 

Pressure Relief Breather Valve Type: Spring Loaded (Model P-110)

Fluidyne Pressure Relief Breather Valve Spring Loaded Type (Model P-110) have spring loaded pressure pallet. In case of over pressure, the pressure disc opens to release air or vapour to atmosphere. Here Pressure setting can be adjusted.

 

Vacuum Relief Breather Valve Type: Standard (Model VB-100)

Fluidyne Standard Vacuum Relief Breather Valve Spring Loaded Type (Model VB-100) have spring loaded vacuum pallet. In case of over vacuum, the vacuum disc opens to allow airin to the tank. Here vacuum setting can be adjusted.

 

Vacuum Relief Breather Valve Type: In-Line (Model VB-110)

Fluidyne Vacuum Relief Breather Valve Spring Loaded In-Line Type (Model VB-110) have spring loaded vacuum disc. In case of over vacuum, the vacuum disc opens to allow air or vapour into the downstream. This valve can be also installed at end-of-line with end cap or weather hood as shown in the drawing. Here vacuum setting can be adjusted.

 

Vacuum Breaker Valve Type: Lever (Model VB-120)

Fluidyne Vacuum Relief In-Line Breather Valve Weight Loaded Lever Type (Model VB-120) have weight loaded lever operating the disc. In case of over vacuum, the vacuum disc opens to allow air gas or vapour into downstream side. Here vacuum setting can be adjusted by adjusting the weight position on lever. This valve can be installed both vertically or horizontally.

 

Vacuum Breaker Valve: Standard Dead Weight (Model VB-130)

Fluidyne Standard Vacuum Relief Breather Valve Dead Weight Type (Model VB-100) have weight loaded vacuum pallet. In case of over vacuum, the vacuum disc opens to allow air into the tank. Here vacuum setting cannot be adjusted.

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Standard Pressure Cum Vacuum Relief Valve (VARAC Type) Open to Atmosphere

Standard Pressure Cum Vacuum Relief Valve (VARAC Type) Open to Atmosphere
  • Standard Pressure Cum Vacuum Relief Valve (VARAC Type) Open to Atmosphere
  • Standard Pressure Cum Vacuum Relief Valve (VARAC Type) Open to Atmosphere
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Standard Pressure Cum Vacuum Relief Valve (VARAC Type) Open to Atmosphere

Model : PV - 100
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Special Pressure Vacuum Relief Breather Valves.

Special Pressure Vacuum Relief Breather Valves.
  • Special Pressure Vacuum Relief Breather Valves.
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Fluidyne Model 1210 Breather Valves are developed mainly for blow-down lines or pressurized storage vessels. External atmospheric conditions like temperature and corrosive air determine the material combination for these valves. Higher settings then most dead weight types is achieved by spring loading of pressure pallets. Standard non-metallic seat inserts are made using Neoprene and Teflon material. This range of valves are available using pure aluminum, cast carbon steel, stainless steel and cast iron body with stainless steel or bronze trim. They can also be made from other materials on special order.

 

 

Fluidyne Model PV 1220 Breather Valves are developed mainly for lower  pressurized storage vessels. External atmospheric conditions like temperature and corrosive air determine the material combination for these valves. Lower settings where dead weight pallet types is used. Standard non-metallic seat inserts are made using Neoprene and Teflon material. This range of breather valves are available using pure aluminum, carbon steel, stainless steel or cast iron body with  stainless steel or bronze trim. They can also be made from other materials on special order.

 

 

Fluidyne Model 1230 Breather Valves are developed mainly for atmospheric low pressure tanks. There is a single disc for both pressure and vacuum. The pressure and vacuum settings available are low. Standard non-metallic seat inserts are made using Neoprene and Teflon material. This range of valves are available using pure aluminum, cast carbon steel, stainless steel and cast iron body with stainless steel or bronze trim. They can also be made from other materials on special order.

 

 

Fluidyne Model PV 1240 Vacuum Relief-Breather Valves are developed mainly for higher vacuum  settings for storage vessels. External atmospheric conditions like temperature and corrosive air determine the material combination for these valves. Higher variable settings with spring loaded pallet is used. Standard non-metallic seat inserts are made using Neoprene and Teflon material.

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Vacuum Breaker or Vacuum Relief-Breather Valve

Vacuum Breaker or Vacuum Relief-Breather Valve
  • Vacuum Breaker or Vacuum Relief-Breather Valve
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Fluidyne make Vacuum Relief Breather valves or Vacuum Breakers are manufactured in various models and combinations depending on the application. Fluidyne make Vacuum Relief Breather valves or Vacuum Breakers are available in dead weight and spring loaded types and lever operated dead weight type for variable vacuum setting. Fluidyne make Vacuum Relief Breather valves or Vacuum Breakers are available for every industrial application from materials like Cast Iron, Cast Steel, Stainless Steel, Aluminium, etc.

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Pilot Operated Breather Valves

Pilot Operated Breather Valves
  • Pilot Operated Breather Valves
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FLUIDYNE Pilot Operated Breather Valves has two major advantages over standard dead weight and spring loaded types of breather and relief valves as given below:

It is leak and bubble tight up to set pressure.

It opens fully at 10% over pressure.

These special features of Fluidyne Pilot Operated Breather Valves permit operating pressures close to the maximum allowable working pressure of the tank or vessel. Higher operating pressures reduce evaporation losses thereby reducing production costs. Fluidyne Pilot Operated Breather Valves are manufactured in sizes 2” to 16” and set pressures up to 15 psi.

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Sampath (Director)
70-D/3, Uday Building, Central Avenue Road Near Hotel Grand Central, Chembur East
Mumbai- 400071, Maharashtra, India



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