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Breather Valves



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Product Description
Pressure and Vacuum Relief Valves
These are useful as relief valves for blanketed vessels in which solvents are filled & drawn out at a high flow rate. These can also be fitted, on the process vessels to safeguard the process equipment where unpredicted fluctuations in pressure may occur. By retaining toxic vapours and avoiding atmospheric contamination these help to provide increased fire protection and safety. Pressure cum vacuum relief / breather valves are designed to protect your tanks from possible casualty due to over pressure created by thermal expansion & product movement into the tank and excessive vacuum created by thermal contraction & product movement out of the tank. At the same time it minimizes costly product evaporation / loss. Continued design improvements provide these valves with high efficiency, maximum flow capacity and minimum leakage. These are available "closed end hoods" type of standard design or with "pipe-away design" for vapour recovery. These can also be offered as only the vacuum relief valves with blind flange on pressure port and vice-versa.
 
Features
Tradition of Excellence
Continued design improvements and carefully engineered body, seat and pallet assembly results in a superior capacity at low pressure with minimal breakdown, thus conserving valuable tank content.
 
Design Flexibility
These are available "closed end hoods" type of standard design or with "Pipe-away design" for vapour recovery.
 
Easy to Maintain
The easily serviceable configuration and lightweight construction reduces maintenance and installation costs.
 
Cohesion Resistant
Specially designed elastomer seating contributes to high resistance to cohesion of ice and gum formations, thus ensuring protection against pallet sticking to the seating surface. In addition, the body is self draining to keep condensates away from the seating surfaces.
 
Specification
Body Size & Connections
1", 2", 3", 4", 6" 8", 10 & 12" Flanged to ANSI B16.5 Class 150 ratings. (RV/- Series: Different port sizes for pressure & vacuum can be provided).
 
Model Configuration
BV/04 : Pressure cum Vacuum Relief Valve
BV/03 : Pressure cum Vacuum Relief Valve with pipe away
BV/02 : Only Vacuum Relief Valve
BV/01 : Only Pressure Relief Valve
1", 2", 3", 4", 6" 8", 10 & 12" Flanged to ANSI B16.5 Class 150 ratings. (RV/- Series: Different port sizes for pressure & vacuum can be provided).
 
Temperature Capabilities
25°C to 80°C with Nitrile elastomeric parts -15°C to 180°C with Fluoropolymer. elastomeric parts.
 
Pressure Setting Adjustment
Weight Loaded
 
Material Of Construction
Body  ASTM-A-216 Gr. WCB (Standard) CF8, CF8M or Aluminium alloy
 NACE & other special materials available on request
   
Internal Trim Parts  SS316 (Standard), Monel, Copper, Brass
 NACE & other special materials available on request
   
Seats  Nitrile (standard), Neoprene, EPDM, , Silicon, PTFE, Fluoropolymer.
 

Product Code : 014


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1st Floor, Samriddhi, LBS Road, Mulund West, Mumbai - 400080, Maharashtra, India
Mr. Sandeep Mahaddeo (Asst. General Manager - IT & Systems)


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