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LTG1 ja LTG2 säätöventtiilit


 

 

 

 

 

 

Globe straight-way, single seat LTG1 and LTG2 series are very versatile control valves of general use for any applications under moderate p/T service conditions. LTG1 is the standard design with screwed seat ring while LTG2 is the corresponding quick-change version with the same flow coefficients and pressure differentials capability.

Due to their simple construction and to their large range of available materials these valves are suitable for a wide range of applications, such asr corrosive, dirty, sticking and slightly abrasive fluids. Angle-body LTA special design is also available with the same trims of LTG series. 

 

 

 

Main advantages 

 

Excellent plug stability provided by heavy top guiding design
Interchangeable low noise and anticavitation trim either for std or quick-change design

Tight shut-off class V and VI also available Wideflowrangecapabilityisallowedbyagreatnumber of reduced capacity trims 

 

 

 

 

Technical characteristics: 

 

 BODY

 

SIZE 3/4", 1", 1 1/2 ", 2", 3", 4", 6"

Raitings: up to ANSI 600/PN 100

  • Flanged, butt-welded, SW, and threaded

  • ●  Cast construction, also wrought or by bar for smaller dimensions

  • ●  Face-to-face dimensions as per IEC 60534 –3-1

  • ●  materials: carbon, Cr-Mo and AISI 316 stainless steel

  • ●  Flow direction: – to open.

    – to close for some flashing applications

  • ●  Materials: Carbon, Cr-Mo and Stainless Steels 

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    Leakage Class (IEC 60534-4): 

  • ●  Standard: class IV

  • ●  Optional: class V and VI 

 

 

 

 LTG-4


 

 

 

 

 

 

BODY

  • Flanged, butt-welded

  • ●  Cast std construction; also wrought or bar construction for 2" and 3" sizes

  • ●  Face-to-face dimensions as per IEC 60534-3-1 long series

  • ●  Sizes: 2", 3", 4", 6", 8", 10", 12", ratings up to ANSI 150, 300, 600, 900, 1500, 2500

  • ●  Materials: Carbon, Cr-Mo and Stainless Steels

  • ●  materials: carbon, Cr-Mo and AISI 316 stainless steel

  • ●  Flow direction: to open 

 

 

LEAKAGE CLASS

  • Classes III, IV, IV S1 and V according to IEC 60534-4 Class VI is also available with soft-seat plug 

 

 

 

 

 

 

 

 

 

 

LTG-5


 

 

 

 

 

 

 

Technical characteristics: 

 BODY

  • Flanged and butt-welded connections –also plug type is available

  • ●  Cast construction – also wrought or by bar for small dimensions

  • ●  Face-to-face dimensions as per IEC 60534-3-1 long series

  • ●  Sizes: 3/4”, 1”, 1”1/2, 2”, 3”, 4”, 6”

  • ●  Ratings up to ANSI 600 – ANSI 1500 for sizes up to 2” included

  • ●  Materials: carbon, Cr-Mo, AISI 316, AISI 316L, duplex,

    hastelloy for sizes up to 3” – other on request

  • ●  Flow direction: to open

    to close only for balanced plug 

 

 MATERIALS

  • Inox, hastelloy, duplex, HVD1, other alloys and coatings

    on request and when necessary 

 

 

 LEAKAGE CLASS

  • Std IV – optional V or VI