spirax sarco UTD52L Series Bar Stock Universal Thermodynamic Steam Trap User Manual
- June 10, 2024
- spirax sarco
Table of Contents
UTD52L Series Bar Stock Universal Thermodynamic Steam Trap
User Manual
TI-P614-04-US
Issue 1
UTD52L Series Bar Stock Universal Thermodynamic Steam Trap
Local regulations may restrict the use of this product to below the conditions
quoted.
In the interests of development and improvement of the product, we reserve the
right to change the specification without notice.
© Copyright 2021
UTD52L Series Bar Stock
Universal Thermodynamic Steam Trap (for use with Universal Connector)
Description
The Thermodynamic steam trap cycles periodically to discharge condensate very
near to steam temperature. It is unaffected by waterhammer or superheat. The
UTD is a unique solution to maintain the disc in the horizontal plane by means
of a universal connector.
The trap is easily replaced or removed for servicing without disturbing the
pipe connections.
| Model | UTD52L |
|---|---|
| PMO | 450 psi g |
| Trap construction | Stainless steel |
| Trap options | Slotted disc |
| Connector sizes | ½”, ¾”, 1” |
| Connector connections | NPT, SW |
| Connector construction | Straight or strainer type (left or right hand) |
Stainless steel or cast steel
Connector options| SW connections to ANSI B16.11
Carbon steel
USTSII trap station
Standard Strainer Connector shown (Connector of choice sold separately) See
TI-2-519-US
Note: Left Hand Strainer
Connector Style is mirror image
Limiting operating conditions
| Maximum operating pressure (PMO) | 450 psi g (31 barg) Standard |
|---|---|
| Maximum operating temperature (TMO) | 750 °F (400 °C) |
| Pressure Range | 3.5 to 450 psi g UTD52L |
Maximum back pressure should not exceed 80% of the upstream pressure.
Pressure shell design conditions
Maximum allowable pressure (PMA)| 450 psi g/750 °F| 31 bar g/238-400 °C –
Standard
---|---|---
Maximum allowable temperature (TMA)| 750 °F/0-450 psi g| 400 °C/0-31 bar g –
Standard
Designed for a maximum cold hydraulic test pressure of 1080 psi g.
Typical applications
Steam main drainage, and steam tracing and constant pressure/constant load
applications.
Materials
Standard Strainer Connector shown (Connector of choice sold separately) See
TI-2-519-US
Note: Left Hand Strainer Connector Style is mirror image
No| Part| Material|
---|---|---|---
1| Body| Stainless steel| ASTM A582 420F
2| Cap| Stainless steel| ASTM A743 Gr.CA40
3| Insulator| Ceramic|
4| Cover/Nameplate| |
5| Disc| Stainless steel|
6| Flange| Stainless steel|
7| Inner Gasket| Stainless steel & exfoliated graphite filler|
8| Outer Gasket| Stainless steel & exfoliated graphite filler|
9| Connector Screws| Connector screws alloy steel (plated)| ASTM A193 Gr.B7
Standard Connector
10| Connector| Stainless steel| ASTM A351Gr.CF8
Strainer Connector
11| Connector| Stainless steel| ASTM A351 Gr.CF8
12| Strainer Screen| Strainer Screen (.031 perf)|
13| Strainer Cap| Stainless steel| AISI 303
14| Blowdown Ball Head (Internal)| Stainless steel| AISI 440
15| Blowdown Valve Stem| Stainless steel| AISI 431
16| Blowdown Valve Body| Stainless steel| AISI 303
- Consult factory for material specifications in carbon steel connectors.
Capacities
Local regulation may restrict the use
of this product below the conditions quoted. Limiting conditions refer to
standard connections only. In the interests of development and improvement of
the product, we reserve the right to change the specification.
Dimensions (inches)
Sample Specification
Steam trap shall be supplied with a pipeline connector which, once installed, remains in the line permanently. Trap shall be attached to the connector by two bolts to enable simple and rapid installation and replacement.The connection is designed to allow installation on pipework that is vertical, horizontal, or any angle in between. Operation shall be on/off discharge with tight shut off and no bleed or “controlled” leak, with back pressures up to 80% of inlet pressure. When specified, the connector shall be provided with integral “Y” pattern strainer with or without integral blowdown valve, standard or left hand pattern. The trap itself shall be Thermodynamic disc type of stainless steel construction and integral seat design with hardened disc and seating surface. Cap to have integral ceramic insulator with stainless steel cover. Determining whether you need Standard Strainer Connector or Left Hand — Because of location or space constraints, when straddling the pipe facing in the direction of flow the standard strainer connector wih the trap body facing the left side with bolt on the right. The left hand connector will have the trap body on right with the bolts on the left.
Installation
The connector can be installed in horizontal or vertical lines. The connector face must be in a vertical plane. The trap should be fitted to the connector with its cap uppermost. Full-port isolating valves should be installed upstream and downstream of the connector.
Maintenance
The trap can be removed for repair or replacement without disturbing the
connector piping connections. Complete isolation of the connector from both
supply and return line is required before the trap is removed.
The trap should be removed from the connector and disassembled periodically
for inspection and cleaning of the disc and seat.
Complete installation and maintenance instructions are given in the
IM-2-5161-US, which accompanies the product.
Spare parts
| Connector Screw and Gasket Set | A, B, C |
|---|---|
| Disc | D |
| Cap Assy | E |
| Strainer Screen | G |
| Blowdown Valve | H |
| Strainer Cap Gasket | F |
Available spare parts are shown in heavy outline. Parts drawn in broken line are not supplied as spares.
TI-P614-04-US Issue 1
UTD52L Series Bar Stock Universal Thermodynamic Steam
Trap (for use with Universal Connector)
Read User Manual Online (PDF format)
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