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Y type globe valve,in cast steel,stainless steel and alloy steel,for high temperature steam.

Straight pattern globe valve(Tee pattern),angle pattern globe valve,Oblique pattern globe valve(Y type)

Design and manufacturer DIN3356/EN13709

DN15-DN400,PN10/16/25/40

in Cast steel(1.0619),stainless steel(1.4308,1.4408),alloy steel and duplex stainless steel

NORTECH is one of the leading China Y type globe valve Manufacturer & Supplier.


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What is Y type globe valve ?

Y type globe valve,is normally designed and manufactured according to Germany standard and European standard EN13709.as normal,it's linear motion closing-down valve used to start, stop or regulate the flow using a closure member referred as a disc. the  Y type globe valve are most suitable and widely used to control or stop the flow of liquid or gas through a pipe for throttling and controlling fluid flow and are generally employed in small size piping.

 

Bellows have a limited service life, which means the possibility of a rupture is likely. This is why a conventional packing assembly is always included in a bellows-equipped bonnet.So the bellows seal is an extra packing sealing for the gate valves,it's suitable for some severe working conditions.

normally there are three primary body patterns or designs for  Y type globe valve:

  • 1).Standard Pattern (also as Tee Pattern or T – Pattern or Z – Pattern)
  • 2).Angle Pattern
  • 3).Oblique Pattern (also known as Wye Pattern or Y – Pattern)

Main features of Y type globe valve ?

In particular chemical processes the fluids in the pipes are often toxic, radioactive and hazardous. Bellows seal globe valves are used to prevent leakage of any toxic chemical to the atmosphere. Body material can be selected from all available materials,The bellow can be supplied in different materials like 316Ti, 321, C276 or Alloy 625.

  • 1).There is wide range of capabilities as available in standard pattern(streght pattern),Angle pattern,and Wye pattern(Y pattern).
  • 2).Metal bellows seals the moving stem and increases durability of packed stem seal valves.
  • 3).Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
  • 4).Bellow-sealed valves are usually leak tested using a mass spectrometer to detect leakage rates below 1x10E-06 std.cc/sec.Double sealing design (bellows seal and stem packing) if the bellows fail, valve stem packing will also avoid leakage,and in conformity with international tightness standards;

Technical Specifications of Y type globe valve

Specifications of DIN-EN Y type globe valve  

Design and Manufacture BS1873,DIN3356,EN13709
Nominal diameter(DN) DN15-DN500
Pressure rating(PN) PN16-PN40
Face to face DIN3202,BS EN558-1
Flange dimension BS EN1092-1,GOST 12815
Butt weld dimension DIN3239,EN12627
Test and inspection DIN3230,BS EN12266
Body Carbon steel,Stainless steel,Alloy steel
Bellows Stainless steel,Alloy steel
Seat stainless steel,alloy steel,Stellite coating.
Operation handwheel,manual gear,electric actuator,pneumatic actuator
Pattern of body Standard pattern(T-pattern or Z-type),Angle pattern,Y pattern
DIN-EN globe valve bellows seal
Bellows seal globe valve

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