Bestobell Steam IB18V Series Vertical Bucket Trap - Manual (Page 2)

Material
3170 Wasson Road • Cincinnati, OH 45209 USA
Phone 513-533-5600 • Fax 513-871-0105
[email protected] • www.bestobellsteamtraps.com Bulletin IM-IBVIM-0608
Maintenance
Part
No.
Component Material
1 Body A216CS (IB18V is CL)
2 Cover A216CS (IB18V is CL)
3 Bucket 304 SST
4 Lever 304 SST
5 Valve Plug Hard surfaced SST
6 Valve Seat Hard surfaced SST
7 Guide Pin Assembly 304 SST
8 Cover Gasket Teflon or Non-Asb. fiber
2
8
4 1
3
6
7
5
Basic “V” Series Installation
Dirt Pocket
All Models of IB18V, IB21V or IB41V.
Check that steam supply is shut-off. Ensure that all 1.
system pressures are off and trap is cool before
opening.
Remove cover (2) from body (1) by removing the
2.
bolts around the body flange.
Lift the cover and internal mechanism from the body.
3.
Unhook bucket unit (3) from lever assembly (4). 4.
Remove guide pin assembly (7) and lever by undo- 5.
ing the two screws.
Inspect pivot points for wear. Replace as needed.
6.
Inspect valve seat (6) and plug (5) (held by clip to 7.
lever) for wear or damage. Replace if required.
Valve seat can be removed using a socket or closed
8.
(box) end wrench.
Make sure interior of body is clean and free of any
9.
accumulation of dirt.
Inspect vent hole in top of bucket until. Make sure it
10.
is clean and open.
Reassemble in reverse order. Tighten valve seat per
11.
torque table. Installing a new body gasket.
Install and tighten cover bolts in a diagonal pattern
12.
to torque values shown in table.
Trap Model
Size
Valve Seat
Torque, lb-ft
Cover Bolts
Torque, lb-ft
IB18V210 1/2” 17-20 13-16
IB18V310 3/4” 17-20 13-16
IB18V410 1” 59-65 18-21
IB18V510 1-1/4” 129-140 47-51
IB18V610 1-1/2” 199-220 47-51
IB18V710 2” 199-220 47-51
IBI8V Cast Iron Body
Trap Model
Size
Valve Seat
Torque, lb-ft
Cover Bolts
Torque, lb-ft
IB2V210 1/2” 17-20 13-16
IB21V310 3/4” 17-20 13-16
IB21V410 1” 59-65 18-21
IB21V510 1-1/4” 129-140 44-48
IB21V610 1-1/2” 199-220 47-51
IB21V710 2” 199-220 47-51
IB2IV and IB41V Carbon Steel Body
“V” Series Installation with Bypass Piping
Test Valve
Valve
Valve
Valve