Steam traps Ball float
8
Additional cold water capacities from the thermostatic air vent under start-up conditions Capacities shown above are based on condensate at saturation temperature. Under start-up conditions when the condensate is cold
the internal thermostatic air vent will be open and provides additional capacity to the main valve. The following table gives the minimum additional cold water capacities from the air vent. P (bar) 0.5 (7) 1 (15) 2 (29) 3 (44)
4.5 (65) 7 (102) 10 (145) 14 (203) 21 (305) 32 (464)
Minimum additional cold water capacity in kg/h (lb/h)
450 (992) 170 (375) 460 (1014)
600 (1323)
780 (1720) 380 (838) 900 (1984)
1040 (2293) 520 (1146) 1080 (2381) 460 (1014)
1140 (2513) 600 (1323) 1300 (2866) 600 (1323)
1350 (2976) 780 (1720) 1600 (3527) 850 (1874)
1530 (3373) 860 (1896) 1980 (4365) 900 (1984)
1750 (3858) 1140 (2513) 2050 (4519) 1020 (2249)
2300 (5071) 1170 (2579) 2600 (5732) 1200 (2646)
up to 21 bar
-
DN15 and DN20
250 (551)
1200 (2646)
32 bar only
680 (1499)
DN25, DN40 and DN50
up to 21 bar
-
90 (198)
120 (264)
350 (772)
1300 (2866)
32 bar only
Dimensions/weights (approximate) in mm (inches) and kg (lbs)
B
FT46
DN15 and DN20 (½" and ¾")
5.5.86
C
A
F
E
D
B
FT46
8.5 97
DN25, DN40 and DN50 (1", 1½" and 2")
C
F
D
E
Size
A
B
C
D
E
F
Weight
DN15
155 (6.10)
10.8 (23.8)
150 (5.91)
80 (3.15)
80 (3.15)
215 (8.46)
120 (4.72)
DN20
165 (6.50)
10.8 (23.8)
DN25
160 (6.30)
115 (4.53)
85 (3.35)
276 (10.9)
170 (6.69)
215 (8.46)
15.0 (33.1)
DN40 DN50
130 (5.12)
80 (3.15)
326 (12.8)
200 (7.87)
33.0 (72.8)
230 (9.06)
200 (7.87)
141 (5.55)
91 (3.58)
332 (13.1)
236 (9.29)
43.0 (94.8)
Face-to-face dimensions in accordance with EN 26554 (Series 1)
TI-P143-01 CMGT Issue 15
Page 7 of 10
FT46 Stainless Steel Ball Float Steam Traps DN15 to DN50 (½" to 2")
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