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Series
TDST
Thermodynamic Steam Trap
Compact, Works in Any Position

SPECIFICATIONS
Line Size: 3/8", 1/2", 3/4", 1".
End Connection: Female NPT.
Wetted Materials: Body: 420F SS, Cap & Disc: 416 SS, Strainer: SS.
Pressure Limit: 600 psig (41.3 bar).
Temperature Limit: 800°F (426.67°C).
Weight: See model chart below.
Capacity: See capacity chart below.

Capacity Chart
TDST-SSSD Maximum Capacity - lbs/hr 10°F Below Saturation
 
NPT
Connection
Differential Pressure psig (bar)
3.5
(0.24)
5
(0.34)
10
(0.7)
20
(1.4)
30
(2.1)
50
(3.4)
75
(5.2)
100
(6.9)
150
(10.3)
200
(13.8)
300
(20.7)
400
(27.6)
500
(34.5)
600
(41.3)
3/8"
1/2"
3/4"
1"
180
300
405
640
185
310
420
670
190
345
470
725
200
410
560
865
215
465
640
980
245
575
810
120
305
700
1000
147
370
810
1160
175

500
1000
1450
2200

610
1140
1670
2600
790
1410
2100
3250
960
1630
2430
3780
1100
1830
2750
4250
1250
2000
3050
4700
TDST-SSSD Maximum Capacity - lbs/hr 10°F Below Saturation
 
NPT
Connection
Differential Pressure psig (bar)
10
(0.7)
20
(1.4)
30
(2.1)
50
(3.4)
75
(5.2)
100
(6.9)
150
(10.3)
200
(13.8)
300
(20.7)
400
(27.6)
500
(34.5)
600
(41.4)
3/8"
1/2"
3/4"
1"
315
315
650
650

370
370
740
740

425
425
800
800

520
520
1000
1000

575
575
1100
1100
800
800
1400
1400
900
900
1540
1540

1080
1080
1630
1630

1280
1280
1760
1760
1380
1380
1930
1930
1480
1480
2070
2070
1650
1650
2200
2200

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