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10. Lock Release Valve (Option : J3S-LR/J5S-LR/J6S-LR)
Torque: 30 N ・ m (22 lbf ・ ft)
19 mm (
3
CAUTION
Note: Use of the lock release valve puts pressure on the X-element, and may reduce condensate
discharge capacity. For more details, contact TLV.
Use on equipment where steam locking/air binding, which slows the discharge of condensate and
reduces equipment efficiency, tends to occur (cylindrical dryers, air fin heater, etc.).
1. When the product is shipped from the factory, the element retainer is raised in the maximum,
valve-closed position.
2. Before operating the lock release valve, examine the trap outlet and confirm that the trap is
functioning properly.
3. Operate the lock release valve as follows: (tools required: flat-head screwdriver)
To Open: Insert the screwdriver into the slot on the top of the element retainer and slowly turn
clockwise. (Do not turn the element retainer past the point at which it stops.) See charts below
for steam/air discharge (maximums are shown).
To Close: Insert the screwdriver into the slot on the top of the element retainer and close by
turning counterclockwise. Raise the element retainer until the spring pin contacts the bottom of
the gland case. (Do not turn the element retainer past the point at which it stops.)
4. If steam should leak from the gland retainer nut or gland case, it can be stopped by further
tightening the gland retainer nut. (Do not over tighten, otherwise element retainer may seize and
become unworkable.)
Steam Discharge (valve fully open)
Differential Pressure (kg/cm
0.1
0.3 0.5
1
30
10
5
3
1
0.5
0.01
0.03 0.05
0.1
Differential Pressure (MPa)
100
50
30
10
5
3
1
0.5
0.3
0.1
0.1
0.3 0.5 1
3
Differential Pressure (psi)
* Capacities are equivalent capacities of air at 20 ºC (68 ºF) under atmospheric pressure.
Gland Case
/
"
) across flats
4
Gasket
Use heat-resistant gloves when operating the lock release valve and keep
all body parts well clear of the product. Failure to do so could result in
burns, other injury or damage from the blowing of small amounts of steam
and condensate.
2
)
21
2
3
5
10
20
0.3 0.5
1.0
2.0
2.1
5
10
30 50 100
300
Air Discharge (valve fully open)
Differential Pressure (kg/cm
0.1
300
200
100
50
30
10
5
0.01
Differential Pressure (MPa)
10
5
3
1
0.5
0.3
0.1
0.05
0.03
0.01
0.1
0.3 0.5
Differential Pressure (psi)
̶ 13 ̶
Gland Retainer Nut
Torque: 15 N ・ m (11 lbf ・ ft)
/
"
7
22 mm (
) across flats
8
Element Retainer
Gland Packing
Spring Pin
〜 〜
1 N ・ m
10 kg ・ cm
2
)
0.3
0.5
1
3
0.03 0.05
0.1
0.3
1
3
5
10
30 50 75
5
0.5
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