The TLV SS3-E, SS3-P, and SS3-EP are free float clean steam traps made of stainless steel, recommended for use in reactors, fermenters, and sterilizers in the chemical, pharmaceutical, food, and beverage services. They are suitable for a wide range of medium-capacity applications up to 0.6 MPaG (85 psig) requiring high levels of sanitation. The traps discharge condensate continuously and automatically at a temperature slightly lower than saturation temperature.

Features

• Virtually crevice-free design with drain hole allows for condensate drainage without pooling, minimizing the possibility of bacteria build-up.
• Internal buff-polishing with an additional interior and exterior electro-polish option to 0.4µm Ra for improved resistance to bacterial growth.
• Self-modulating free float provides continuous, smooth, low-velocity discharge as process loads vary.
• Maintainable design lowers cleaning costs.
• Only one moving part, the free float, prevents concentrated wear and provides long service life.

Specifications

Model	SS3-E	SS3-P	SS3-EP
Connection	Clamp End	Clamp End	Clamp End
Size	DN 15, 20 (ISO) / 1/2", 3/4" (ASME-BPE)	DN 15, 20 (ISO) / 1/2", 3/4" (ASME-BPE)	DN 15, 20 (ISO) / 1/2", 3/4" (ASME-BPE)
Maximum Operating Pressure (PMO)	6 barg	6 barg	6 barg
Maximum Differential Pressure (ΔPMX)	6 bar	6 bar	6 bar
Maximum Operating Temperature (TMO)	165 °C	165 °C	165 °C
Clamp type	3-piece (buff-polished)	3-piece (buff-polished)	3-piece (buff-polished)
Finishing (Internal)	25µm Ra electro-polished	0.8µm Ra buff-polished	Buff-polished then 0.4µm Ra electro-polished
Finishing (External)	25µm Ra electro-polished	25µm Ra electro-polished	Buff-polished then 0.4µm Ra electro-polished

INFO

Pressure Shell Design Conditions (Not Operating Conditions):

• Maximum Allowable Pressure (PMA): 10 barg
• Maximum Allowable Temperature (TMA): 185 °C

Materials

No.	Description	Material	DIN	ASTM/AISI
1	Body	Cast Stainless Steel A351 Gr.CF3M	1.4435	-
2	Cover	Cast Stainless Steel A351 Gr.CF3M	1.4435	-
3	Float	Stainless Steel SUS316L	1.4404	AISI316L
4	Body Clamp	Cast Stainless Steel A351 Gr.CF8	1.4312	-
5	Cover Gasket	High-performance Fluorine Resin	-	-

Dimensions

DN	L (mm)	W (mm)	B (mm)	φD (mm)	φd (mm)	Weight (kg)
15 (1/2")	105	105	125	34 (25)	15.2 (9.4)	1.4 (1.3)
20 (3/4")	105	105	125	34 (25)	19.3 (15.75)	1.4 (1.3)

( ) ASME-BPE (Tri-Clamp compatible)

Discharge Capacity

The SS3-P Clean Steam Trap has a small built-in drain hole to ensure no condensate remains in the trap after operation. Therefore, a minimum condensate load is required during operation to prevent any steam discharge. The chart below shows the maximum steam discharge through the drain hole under no condensate load conditions.

WARNING

DO NOT use traps under conditions that exceed maximum differential pressure, as condensate backup will occur! Recommended safety factor: at least 1.5.

Configuration and Exploded View

Proper Installation

1. Before installation, be sure to remove all protective seals.
2. Before installing the product, blow out the inlet piping to remove any piping scraps, dirt and oil. Close the inlet valve after blowdown.
3. Install the product vertically with the inlet at the top and the outlet at the bottom within the allowable inclination as shown below, and with the arrow on the body pointing in the direction of flow.
4. Install outlet valve and outlet piping.
5. Open the inlet and outlet valves and check to make sure that the product functions properly.
6. After steam has passed through the piping, allow the trap to cool by closing the inlet valve and then further tighten the clamp.
7. Open the inlet valve again for normal operation.

Operational Check

A visual inspection can be carried out to aid in determining the necessity for immediate maintenance or repair, if the trap is open to atmosphere. If the trap does not discharge to atmosphere, use diagnostic equipment such as a stethoscope or thermometer.

Status	Description
Normal	Condensate is discharged continuously with flash steam and the sound of flow can be heard.
Blocked	No condensate is discharged. The trap is quiet, making no noise, and the surface temperature of the trap is low.
Blowing	Live steam continually flows from the outlet and there is a continuous metallic sound.
Steam Leakage	Live steam is discharged through the trap outlet together with the condensate, and there is a high-pitched sound.

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.

Parts Inspection Procedure

Part	Inspection Item
Cover Gasket	Check for warping or damage
Float	Check for scratches, foreign matter, oil film, or liquid inside the float
Body and Cover Interior	Check for foreign matter build-up, oil film, scratches and wear
Orifice and Drain Hole	Make sure openings are not plugged with foreign matter

Disassembly and Reassembly

Part & No.	During Disassembly	During Reassembly
Body Clamp (4)	Loosen the wing nut then remove the body clamp	Tighten wing nut to the proper torque (10 N·m); open inlet valve and allow live steam to enter and heat the trap, then close the inlet valve; after the internal and atmospheric pressures have equalized and the trap surface has cooled, tighten wing nut to the proper torque again. Steam may leak if wing nut is not re-tightened.
Cover (2), Body (1)	Take apart without scratching the gasket sealing surfaces	With gasket in place, align grooves (fig. A) and gently place the upper body on the lower body
Cover Gasket (5)	Remove being careful not to scratch sealing surfaces	Replace with a new gasket if damaged
Float (3)	Remove being careful not to scratch the polished surfaces of the float and the body	Insert into the body, being careful not to scratch its polished surface, take care not to scratch or damage the orifice (fig. B)

Troubleshooting

Problem	Cause	Remedy
No condensate is discharged or discharge is poor (blocked)	The float is damaged or filled with condensate	Replace with new float
	The float is sticking to the orifice	Clean parts
	The orifice, drain hole or piping are clogged with foreign matter	Clean parts
	Steam-locking has occurred	Perform a bypass blowdown or close the trap inlet valve and allow the trap to cool
	Flow exceeds trap's rated capacity	Check specifications and reselect trap suitable for actual flow
	The trap operating pressure exceeds the maximum specified pressure, or whether there is insufficient pressure differential between the trap inlet and outlet	Compare specifications and actual operating conditions
Steam is discharged or leaks from the outlet (blowing) (steam leakage)	Foreign matter has accumulated around the orifice or under the float	Clean parts
	Scratches on the orifice	Replace lower body
	The float is deformed or has build-up	Clean or replace float
	Trap is installed above the maximum allowable inclination angle	Correct the installation
	Trap vibration	Lengthen inlet piping and fasten securely
Steam is leaking from a place other than the outlet	Gasket deterioration or damage	Replace with new gasket
	Improper tightening torque was used on the body clamp wing nut	Tighten to the proper torque
Float frequently becomes damaged	Water hammer occurs	Study and correct the piping
Some condensate is held in the trap	The small drain hole is blocked or clogged with foreign matter	Clean