| Message: | GATD42 thermodynamic steam trap.
Pressure Rating: 1.6- 6.4Mpa.
Specification: DN15-50.
Material: cast steel.
Standard screwed: NPT.
Structural Characteristics.
1.Assembled with steam or air heat preservation mechanism and unaffected by the environmental humidity;with operation frequency decreased, its service life prolonged.
2.Provided with filter screen and drainage valve .
3.The valve runs flexibly and reliably with large displacement.
Working Principle.
By taking advantage of thermodynamics characteristics,secondary evaporation will arise when the condensate water is discharged to the lower pressure zone and meanwhile when the viscosity and density of steam differ,the drain valve will open of close.
Main Function.
The valve is applicable in the steam pipeline and equipment to avoid steam leakage and eliminate steam leakage in order to conserve energy and keep from water hammer and other faults.
Main technical parameters and indexes of performance.
Nominal pressure PN63
Maximum design pressure(PMA) 63bar g
Maximum design temperature(TMA) 400
Minimum design temperature(TMI) -10
Maximum upstream pressure for saturated steam service(PMO) 42bar g
Maximum operating temperature(TMO) 400
Minimum operating temperature(TMIO) 0
Minimum differential pressure( PMiX ) 0.25bar
Maximum cold hydraulic test pressure 95bar g
Material Of Main Component.
Name of component Material of component
Valve body, valve cover WCB
Others stainless steel
Connecting Dimension.
Product model DN
(mm) Connection Dimension
L H1 H2
GATD42
GATD42 15 Internal thread 80 47 54
20 Internal thread 90 52 59
25 Internal thread 95 59 62
32 Internal thread 105 70.5 89.5
40 Internal thread 110 70.5 89.5
50 Internal thread 120 70.5 104.5
GATD42
GATD42 15 Socket welded 80 47 54
20 Socket welded 90 52 59
25 Socket welded 95 59 62
32 Socket welded 105 70.5 89.5
40 Socket welded 110 70.5 89.5
50 Socket welded 120 70.5 104.5
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