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Lock Release Valve (Option for FJ32-X)
Part Name
No.
1
Gland Retainer Nut
2
Gland Case
3
Gland Packing
4
Element Retainer
5
Gasket
6
Snap Ring
Operating Instructions for Lock Release Valve
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)
• Open Valve - 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 discharge/air discharge. (Maximums are shown.)
• Close Valve - Insert the screwdriver into the slot on the top of the element retainer and close
by turning counterclockwise. Raise the element retainer until the snap ring 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)
* Capacities are equivalent capacities of air at 20 ºC (68 ºF) under atmospheric pressure.
5
6
2
)
21
2
3
5
10
20
0.3 0.5
1.0
2.0
2.1
̶ 19 ̶
1
2
3
4
Torque
N·m
(lbf·ft)
30
(22)
30
(22)
—
—
—
—
Air Discharge (valve fully open)
Differential Pressure (kg/cm
0.1
0.3
300
200
100
50
30
10
5
0.01
0.03 0.05
Differential Pressure (MPa)
Distance Across Flats
mm
(in)
22
(
/
)
7
8
19
(
/
)
3
4
—
—
—
—
2
)
0.5
1
3
5
0.1
0.3
0.5
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