TLV P46UC-Y is an inline replaceable and cleanable 2-bolt universal flange thermodynamic steam trap unit featuring a built-in screen with a large surface area. It is intended for use with connector units that do not include a screen (e.g., Spirax Sarco PC10, Armstrong Standard Connector) on steam mains, tracers, and coils. The universal flange allows the trap to be easily positioned in the correct attitude, regardless of the pipeline configuration.

This PowerDyne trap features quick thermostatic air venting with a bimetal ring for fast start-up, allowing automatic discharge of initial air and cold condensate. The air jacketing reduces cycling and extends life, while the lapped disc provides a steam-tight seal without air binding.

Features

• Two-bolt flange and module valve seat permit replacement in minutes without disturbing piping.
• Universal flange allows trap to be easily positioned in the correct attitude.
• Integrated screen ensures trouble-free operation.
• Air jacketing reduces cycling and extends life.
• Quick thermostatic air venting with bimetal ring for fast start-up.
• Lapped disc provides steam-tight seal without air binding.
• Hardened stainless steel working surfaces for durability.

Specifications

Specification	Value
Connection	Two Bolt Universal Flange
Maximum Operating Pressure (PMO)	46 barg
Minimum Operating Pressure	0.3 barg
Maximum Operating Temperature (TMO)	425 °C
Maximum Allowable Pressure (PMA)*	66 barg @ 40 °C
Maximum Allowable Temperature (TMA)*	425 °C @ 50 barg
Maximum Back Pressure	80% of Inlet Pressure

*PRESSURE SHELL DESIGN CONDITIONS (NOT OPERATING CONDITIONS).

Configuration

Dimensions

H	H1	W	W1	Weight (kg)
105	60	90	67	1.3

Discharge Capacity

Note: Differential pressure is the difference between the inlet and outlet pressure of the trap. Recommended safety factor: at least 2.

Installation

WARNING

Install properly and DO NOT use this product outside the recommended operating pressure, temperature, and other specification ranges. Take measures to prevent people from coming into direct contact with product outlets.

1. Install the product onto the connector unit only if the connector unit is at ambient temperature and there are no scratches or dirt on the seating surface of the gasket.
2. Before installation, be sure to remove all protective seals.
3. When installing the product onto the connector unit, the universal flange face must be in the vertical plane, and the trap unit must be installed with the nameplate facing upwards.

Maintenance and Operational Inspection

A visual inspection should be done on a daily basis to determine whether the trap is operating properly. Periodically, the operation should also be checked by using diagnostic equipment.

• Normal: Condensate is discharged continuously, together with flash steam, and the sound of flow can be heard.
• Blocked: No condensate is discharged. The trap is quiet and the surface temperature 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 condensate, accompanied by a high-pitched sound.

Disassembly and Reassembly

DANGER

When disassembling or removing the product, wait until the internal pressure equals atmospheric pressure and the surface of the product has cooled to room temperature.

Part	During Disassembly	During Reassembly
Cover	Remove with a socket wrench	Tighten to the proper torque (250 N·m)
Disc	Remove, being careful not to scratch	Seat surface (lapped side with groove) facing down
Disc Holder Ring	Remove without bending	Set on the air vent ring
Module Valve Seat	Remove, being careful not to scratch	Insert levelly
Outer/Inner Gaskets	Remove and clean	Replace with new gaskets

Options: TLV Blowdown Valve BD2

The BD2 Blowdown Valve, installed in the screen area of the trap body, uses the trap's internal pressure to blow any condensate, steam, dirt, or scale accumulated around the screen area out to the atmosphere.