Steam traps Swivel connectors and traps
8
Dimensions/weights (approximate) in mm (inches) and kg (lbs) Double Block and Bleed Upstream Vertical (DBB USV)
D
C
B
A
Dimension
STS17.2 type
Size and connection
Weight
A
B
C
D
DBB USV DBB USV
½" ½"
BSP T Rp (ISO 7-1)
6.57 (14.5) 6.87 (15.1) 9.97 (22.0) 11.1 (24.5) 11.24 (24.8) 6.57 (14.5) 6.87 (15.1) 9.97 (22.0) 11.1 (5.83) 11.24 (24.8) 6.72 (14.8) 7.02 (15.5)
NPT
414 (16.3)
106 (4.17)
DBB USV
½"
SW
437 (17.2) 450 (17.7) 445 (17.5) 414 (16.3) 411 (16.2) 439 (17.3) 456 (18.0) 455 (17.9) 418 (16.5) 438 (17.24)
129 (17.2) 142 (5.59) 137 (5.39) 106 (4.17) 106 (4.17) 131 (5.16) 148 (5.83) 147 (5.79) 106 (4.17) 126 (4.96) 127 (5.00) 146 (5.75) 144 (5.67)
DBB USV
½"
ASME 150
DBB USV
½"
ASME 300
DBB USV
½"
PN40
DBB USV DBB USV
¾" ¾"
BSP T Rp (ISO 7-1)
8.9 105
NPT
DBB USV
¾"
SW
93 (3.7)
90 (3.5)
DBB USV
¾"
ASME 150
DBB USV
¾"
ASME 300
DBB USV
¾"
PN40
DBB USV DBB USV
1" 1"
BSP T Rp (ISO 7-1)
NPT
DBB USV
1"
SW
439 (17.3)
10.27 (22.64) 11.7 (25.8) 11.84 (26.10)
DBB USV
1"
ASME 150
458 (18.03)
DBB USV
1"
ASME 300
456 (18.0)
DBB USV
1"
PN40
TI-P128-22 CMGT Issue 14
Page 11 of 15
STS17.2 Stainless Steel Compact Pipeline Connector Steam Trapping Station
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