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ASME Globe Valve Large size Globe Valve ,2″-30″,Class150-Class1500

BS1873/ASME B16.34

Face to face to ANSI B16.10

Body/bonnet/disc:Carbon Steel/Stainless steel

Seat:Carbon stee//Stainless steel/STL

Operation:handwheel/gear box

NORTECH is one of the leading China ASME Globe Valve Large size Globe Valve  Manufacturer & Supplier.


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What's ASME Globe Valve?

Globe valves are linear motion closing-down valves used to start, stop or regulate the flow using a closure member referred as a disc. The seat of a globe valve is in the middle of and parallel to the pipe, and the opening in the seat is closed off with a disc or plug.The globe valve disc can completely close the flow path or can be removed entirely. The seat opening changes proportionately with the travel of the disc which is ideal for duties involving flow regulation. Globe valves 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.

ASME Globe valve Large size Globe Valve  is one of the most popular design of globe valves,for US and API system.the inside diameter,materials,the face to face,wall thickness,pressure temperature,are are defined by ASME B16.34.

In addition,depending on the design of the seat and disc, the seating load of  Large size Globe Valve  can be positively controlled by a screwed stem. The sealing capacity of the Large size Globe Valve is very high. They can be used for on-off duty.Because of the short travel distance of the disc between the open and closed positions, Large size Globe Valve  are ideal if the valve has to be opened and closed frequently. Thus, globe valves can be used for a wide range of duties.

the Large size Globe Valve  can be used for throttling purposes as well.Many single-seated valve bodies use cage or retainer-style construction to retain the seat-ring, provide valve plug guiding, and provide a means for establishing particular valve flow characteristics. it can also be easily modified by change of trim parts to change the flow characteristic or provide reduced-capacity flow, noise attenuation, or reduction or elimination of cavitation.

 

Main feature of ASME Globe valve Large size Globe Valve

  • 1).Good sealing capabilities
  • 2).Short travel distance of the disc(stroke) between the open and closed positions,ASME globe valves are ideal if the valve has to be opened and closed frequently;
  • 3).The ASME globe valve can be used as a stop-check valve by modifying the design slightly.
  • 4).There is wide range of capabilities as available in tee, Wye, and angle body styles.
  • 5).Easy Machining and resurfacing of the seats,for various purposes.
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Technical specifications of Large size Globe Valve

Design and Manufacture BS1873/ASME B16.34
NPS 2"-30"
Pressure rating(Class) Class150-Class4500
Face to face ANSI B16.10
Flange dimension AMSE B16.5
Butt weld dimension ASME B16.25
Pressure-temperature Ratings ASME B16.34
Test and inspection API598
Bdoy Carbon steel,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

Standard Trim Material to API 600

Trim Code Seat Ring Surface
Part No. 2
Wedge Surface Part No. 3 Stem
Part No.4
Backseat
Part No. 9
1 F6 F6 F6 F6
2 F304 F304 F304 F304
5 Stellite Stellite F6 F6
8 Stellite F6 F6 F6
9 Monel Monel Monel Monel
10 F316 F316 F316 F316
13 Alloy 20 Alloy 20 Alloy 20 Alloy 20

Standard Material Specifications

Parts Name Carbon Steel to ASTM Alloy Steel to ASTM Stainless Steel to ASTM
1 Body A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
9 Bonnet A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
6 Bolt A193 B7 A320 L7 A193 B7 A193 B16 A193 B16 A193 B16 A 193 B8 A 193 B8 A 193 B8 A 193 B8
5 Nut A194 2H A194 2H A194 2H A194 4 A194 4 A194 4 A194 8 A194 8 A194 8 A194 8
11 Gland A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a 304 316 304L 316L
12 Gland Flange A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
3 Disc A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
7 Gasket SS Spiral Wound W/graphite, or SS Spiral Wound W/PTFE, or Reinforced PTFE
10 Packing Braided graphite, or Die-formed graphite ring or PTFE
13 Stem Nut Copper alloy or A439 D2
14 Hand Wheel Ductile Iron or Carbon Steel

 

Products show : Large size Globe Valve

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Application of ASME Globe valves Large size Globe Valve

ASME Globe Valve Large size Globe Valve  is widely used in a wide range of services; both low pressure and high pressure fluid services. The typical applications of globe valves are:

  • 1).Designed for frequent on-off pipeline,or throttling the liquid and gaseous medium
  • 2).Fluids:Water, steam, air, crude petroleum and petroleum products, natural gas, gas condensate, technological solutions, oxygen, liquid and non-aggressive gases
  • 3).Cooling water systems requiring flow regulation.
  • 4).Fuel oil system requiring leak-tightness.
  • 5).Control valve bypass systems.
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