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Check to make sure that the pipes connected to the trap have been installed properly.
1. Is the pipe diameter suitable?
2. Has the trap been installed within the allowable inclination and with the arrow on the body
pointing in the direction of flow?
3. Has sufficient space been secured for maintenance?
4. Have maintenance valves been installed at inlet and outlet? If the outlet is subject to back
pressure, has a check valve been installed?
5. Is the inlet pipe as short as possible, with as few bends as possible, and installed so that the
condensate will flow naturally down into the trap?
6. Has the piping work been done with the proper methods as shown in the table on page 9?
8. Inspection and Maintenance
Operational inspections should be performed at least twice per year, or as called for by trap
operating conditions. Steam trap failure may result in a temperature drop in the equipment, poor
product quality or losses due to steam leakage.
WARNING
CAUTION
• Before attempting to open the trap, close the inlet and outlet isolation valves and wait until the
trap has cooled completely. Failure to do so may result in burns.
• Be sure to use the proper components and NEVER attempt to modify the product.
Body, Cover
Gaskets
X-element
Screen
Float
Air Vent Valve Seat, Orifice
Cover Bolt (23)
Model
N
•
(Ibf
50
J3X
(37)
80
J5X
(59)
70
J7X
(51)
110
J7.2X
(81)
160
J7.5X
(115)
250
J8X
(185)
* Indicates torque values with a sealing tape wrapped 3 – 3.5 times around the threads of the plug or drain plug
If drawings or other special documentation were supplied for the product, any torque given there
takes precedence over values shown here.
NEVER apply direct heat to the float. The float may explode due to
increased internal pressure, causing accidents leading to serious injury or
property and equipment damage.
• Installation, inspection, maintenance, repairs, disassembly, adjustment
and valve opening/closing should be carried out only by trained
maintenance personnel.
Parts Inspection Procedure
Check inside for damage, dirt, grease, oil film, rust or scale
Check for warping or damage
Check for damage
Check for clogging, corrosion or damage
Check for deformation, damage, oil film or water inside
Check for rust, scale, oil film, wear or damage
Tightening Torque and Distance Across Flats
Air Vent Valve
Seat (21)
m
mm
N
m
mm
•
ft)
(in)
(Ibf
ft)
•
•
17
35
/
(
)
(26)
(
21
32
22
35
/
(
)
(26)
(
7
8
17
35
/
(
)
(26)
(
21
32
22
35
/
(
)
(26)
7
(
8
24
35
/
(
)
(26)
15
(
16
32
35
/
(
(1
)
1
(26)
4
Plug (24)
N
m
mm
•
(in)
(Ibf
ft)
(in)
•
19
30
19
/
/
)
(22)
(
)
3
3
4
4
19
30
19
/
/
)
(22)
(
)
3
3
4
4
19
30*
12
/
/
)
(22)*
(
)
3
15
4
32
30*
12
19
/
/
(22)*
(
)
)
15
3
32
4
30*
12
19
/
/
(22)*
(
)
)
15
3
32
4
19
30*
12
/
/
)
(
)
3
(22)*
15
4
32
̶ 10 ̶
Orifice Holder
Drain Plug (19)
Plug (7)
N
m
mm
mm
N
m
•
•
(Ibf
ft)
(in)
(in)
(Ibf
ft)
•
•
50
24
35
/
(37)
(
)
(26)
1 5
1 6
80
32
35
/
(59)
(1
)
(26)
1
4
120
36
30*
/
(88)
(22)*
(1
)
13
32
400
70
30*
/
(290)
(2
)
(22)*
3
4
85
600
40*
/
(3
)
(440)
(29)*
1 1
32
105
800
40*
/
(4
)
(590)
1
(29)*
8
〜 〜
1 N ・ m
mm
(in)
21
/
(
)
1 3
1 6
21
/
(
)
1 3
1 6
12
/
(
)
1 5
32
12
/
(
)
1 5
32
14
/
(
)
9
1 6
14
/
(
)
9
1 6
10 kg ・ cm
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