Submittal Sheet

30
STEAM T
RAPS
Steam Traps
Series B3
• Available in sizes
3
⁄4" and 1" NPT and BSPT
• Meets Mil specification WW-T-696-E Type I, Style B,
Class 1-7
• Removable covers for easy in-line service
• Stainless steel internal components
• Resistant to moderate water hammer
• Optional built-in thermic vent for faster heating
• Optional built-in strainer to reduce the number of piping
connections
• Maximum capacities to 5000 lbs/hr (2268 kg/hr.)
• Maximum temperature 450°F (230°C)
• Maximum operating pressure 250 psig (17.3 bar)
Series B4
• Available in sizes 1", 1
1
⁄4
", 1
1
⁄2
" NPT and BSPT
• Meets Mil specification WW-T-696-E Type I, Style B,
Class 1-7
• Removable covers for easy in-line service
• Stainless steel internal components
• Resistant to moderate water hammer
• Optional built-in thermic vent for faster heating
• Optional built-in strainer to reduce the number of piping
connections
• Maximum capacities to 9424 lbs/hr (4275 kg/hr.)
• Maximum temperature 450°F (230°C)
• Maximum operating pressure 250 psig (17.3 bar)
BUCKET TRAP
MAX PRESS. MAX OFF
PRESS
ITT
MAX TEMP.
DATE CODE
Hoffman
X
500
X X
D
C
A
B
X X X X
BUCKET TRAP
MAX PRESS. MAX OFF
PRESS
ITT
MAX TEMP.
DATE CODE
Hoffman
X
500
X X
D
C
A
B
X X X X
Series B3
Series B4
Series B
®
Dimensions in. (mm)
Series Size A B C D
B3
3
⁄
4
,1 9
7
⁄
16
(239) 11
5
⁄
8
(294) 6
7
⁄
8
(174) 6
9
⁄
16
(166
B4 1, 1
1
⁄
4
, 1
1
⁄
2
,11
3
⁄
8
(289) 14
3
⁄
16
(360) 8
5
⁄
16
(211) 8
1
⁄
8
(206)
A
B
C
D
A
B
C
D
Materials of Construction
Part Specifications
Body and cover Cast Iron 30,000 psi tensile
Valve Pin and Seat Stainless Steel (Hardened)
Bucket Stainless Steel
Lever Assembly Stainless Steel
Cover Bolts Grade 5 Steel
Inverted Bucket Steam Traps (continued)