TLV J3S-X-PB is a reliable and durable stainless steel free float steam trap that includes a built-in bypass valve with a pneumatic actuator to facilitate discharge of the large quantities of condensate produced at start-up by process equipment, heaters, air conditioners, tank heating, etc.

A tight-sealing pneumatically operated ball valve incorporated into the cover enables remote execution of bypass blowdown to reduce start-up times. The self-modulating free float provides continuous, smooth, low velocity condensate discharge as process loads vary. The precision-ground float, constant water seal and three-point seating design ensure a steam tight seal, even under no-load conditions. The thermostatic capsule (X-element) with "fail open" feature vents air automatically until close-to-steam temperature.

Specifications

Steam Trap

Model	J3S-X-PB
Connection	Screwed | Flanged
Size	1/2", 3/4", 1" | DN 15, 20, 25
Orifice No.	2, 5, 10
Maximum Operating Pressure (PMO)	0.2, 0.5, 1.0 MPaG (2, 5, 10 barg)
Maximum Differential Pressure (ΔPMX)	0.2, 0.5, 1.0 MPa (2, 5, 10 bar)
Maximum Operating Temperature (TMO)	185 °C
Subcooling of X-element Fill	Up to 6 °C
Type of X-element	C6

Actuator Unit

Actuator Type	Vane rotary actuator
Air Supply Pressure	0.3 to 1.0 MPaG (3 to 10 barg)
Air Supply Port Size	Rc(PT) 1/8
Control System	ON-OFF (fully open/fully closed) reciprocating
Open/Close Time (90° rotation)	0.09 - 0.8 seconds
Actuator Capacity	42 cm³
Ambient Temp. Range	60 °C or lower
Water Resistance	Rainproof
Manual Override	Possible in absence of motive air pressure

Operation

1. Initial Air and Cold Condensate Discharge At startup, before steam is supplied, the trap is cold so the X-element is contracted and the air vent valve seat (A) is open. This allows for the rapid discharge of air through the air vent valve (A) and cold condensate through the orifice (B), when steam is first supplied to the system. Initial air/condensate can be discharged rapidly using the bypass blowdown valve as necessary.

2. Condensate Discharge After the discharge of initial air and cold condensate (bypass blowdown valve closed), the heat of the inflowing steam and condensate causes the X-element to expand, closing the air vent valve (A). The rising condensate level causes the float to rise due to buoyancy, opening the orifice (B) and allowing condensate to be discharged.

3. Hot Air Discharge Should hot air flow into the trap with the steam during normal operation, the temperature of the X-element drops, causing it to momentarily contract and open the air vent valve (A), which allows for the rapid discharge of the air. After the air is discharged and steam contacts the X-element, the temperature will increase causing the air vent valve (A) to close.

4. Closed Position When the condensate flow rate decreases, the float falls as condensate is discharged, closing off the orifice (B). A water seal is maintained at all times over the orifice (B) to prevent steam loss.

Dimensions

Screwed

Size	L (mm)	H (mm)	H1 (mm)	W (mm)	W1 (mm)	Weight (kg)
1/2"	120	318	240	89.5	79	4.0
3/4"	190	318	240	89.5	79	4.5
1"	200	318	240	89.5	79	4.7

Flanged

DN	L (DIN 2501 PN16)	L (ASME 150RF)	L (ASME 300RF)	H (mm)	H1 (mm)	φW1 (mm)	Weight (kg)
15	170	175	175	318	240	79	4.2
20	170	195	195	318	240	79	4.8
25	180	215	219	318	240	79	5.8

Capacities

Discharge Capacity (Steam Trap)

WARNING

DO NOT use this product under conditions that exceed maximum differential pressure, as condensate backup will occur!

Bypass Capacity (Ball Valve)

Installation and Operation

WARNING

Install properly and DO NOT use this product outside the recommended operating pressure, temperature and other specification ranges. Improper use may result in such hazards as damage to the product or malfunctions which may lead to serious accidents.

Air Supply Piping/Operation

1. Use only clean air, which has been run through an air trap, filter, oiler, etc.
2. Make sure there is no foreign matter, particularly dirt or sealing tape, in the pneumatic actuator.
3. The table below shows the relationship between the air supply and valve opening/closing.

Port: A	Port: B	Valve
Supply	Exhaust	Open
Exhaust	Supply	Closed

4. When checking operation of the pneumatic actuator before installation, keep fingers well clear of the bypass blowdown valve section.
5. Carry out an operational check of the actuator under no-load conditions (no pressure) before actual operation to ensure that the air is supplied properly. The "Open/Closed" Indicator located in the lower part of the actuator indicates whether the valve is open/closed.
6. Make sure that the integrated ball valve is closed at start-up, causing the product to function as a trap.
7. To use the bypass function, supply air through port A and exhaust the air in the actuator through port B. The integrated ball valve will open.
8. To stop using the bypass function, supply air through port B and exhaust the air in the actuator through port A. The integrated ball valve will close.
9. The integrated ball valve should be closed when the product is used as a trap.

Manual Operation

1. Perform manual operation only after shutting off the air supply first and making sure there is no pressure remaining inside the actuator unit. Manual operation can not be performed if there is pressure remaining inside the actuator unit.
2. Grasp the manual operation key on the top of the actuator unit with a wrench, and turn in the direction of the arrows (distance across flats: 10 mm (3/8 in)).

Maintenance

Operational Check of the Actuator Unit and Bypass Valve Section

1. An operational check shall be performed at least once every 6 months.
2. Making sure there is air supplied to the actuator, check the operation (angle of rotation, time required to open/close the valve, sound).
3. After shutting off the air supply, manually operate the valve, check for foreign matter in the valve and confirm torques.

Tightening Torque N·m	No load	0.5 MPaG load	1.0 MPaG load
	0.4	0.5	0.6

Additional Tightening of the Valve Unit Gland Section

It is possible to further tighten the gland section in the J3S-X-PB valve units.

1. Detach the actuator unit.
2. Follow the steps given below to apply additional tightening.
   1. Loosen the holder screw.
   2. Tighten the gland holder further in with a socket wrench.
   3. Retighten the holder screw.

TIP

Do not tighten the gland holder completely the first time. Do not tighten it any more than necessary to stop leakage. If leakage continues even after applying additional tightening to the gland holder, replace parts.