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YARWAY SERIES 515/516* INTEGRAL STRAINER STEAM TRAPS
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
Before installation these instructions must be fully read and understood
RATINGS
Operating pressure ranges
SHELL PRESSURE/TEMPERATURE RATINGS
Back Pressure Limits
Piston valve traps rated to 1500 psig (100 bar)
(incl.) are factory set to operate from 150 psig
(10 bar) to maximum rated pressure. Maximum
allowable back pressure at trap outlet equals
25% of pressure at trap inlet, based on absolute
pressures.
End Conn.
1/2", 3/4", 1"
Note: Series 515 socketweld end traps are chrome moly steel construction.
*Series 516 socketweld end traps are constructed from carbon steel.
Emerson.com/FinalControl
MAX. TEMPERATURE (C)
SATURATION CURVE
ALL LIQUID
PHASE
SERIES 515
SUPERHEAT
SERIES 516
MAX. TEMPERATURE (F)
SERIES NUMBERS
To determine the size, series number, and
pressure/temperature rating, refer to the
nameplate on the trap body.
Suffix Letter Identification
SW
Socketweld ends
A, B
Internal Part Size
R*
Commercial (flanges per ANSI Standard)
E*
Navy (flanges per MIL-T-960E)
Figure No.
Internal Parts Piston
515
A or B
516*
© 2018 Emerson. All Rights Reserved.
ALL
End Conn.
SW
SW
Rating
1500 psig (100 bar) - 875F (468C)
1500 psig (100 bar) - 775F (413C)
VCIOM-09537-EN 18/09
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Summary of Contents for Emerson YARWAY 516 Series
- Page 1 A or B 516* 1500 psig (100 bar) - 775F (413C) Note: Series 515 socketweld end traps are chrome moly steel construction. *Series 516 socketweld end traps are constructed from carbon steel. Emerson.com/FinalControl VCIOM-09537-EN 18/09 © 2018 Emerson. All Rights Reserved.
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Page 2: Installation
YARWAY SERIES 515/516* INTEGRAL STRAINER STEAM TRAPS INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS FIGURE 1 Equipment drain Yarway Welbond shut off valve Elevated return Check valve Steam trap Dirt leg (optional) Return main Strainer blow-down (optional) Test valve (optional) ½ Yarway Welbond globe valve Yarway Welbond globe valve Welding - Socket or seal welding of this INSTALLATION... -
Page 3: Maintenance
YARWAY SERIES 515/516* INTEGRAL STRAINER STEAM TRAPS INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS MAINTENANCE PARTS LIST Item Description 1. For the best trap operation and maximum Body service life, strainer screen should be Bonnet cleaned frequently. This can best be done by using a blowdown valve connected to blow- Valve off connection. -
Page 4: Spare Parts
YARWAY SERIES 515/516* INTEGRAL STRAINER STEAM TRAPS INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS SERVICING REASSEMBLY Installing Repair Kit After disassembly, clean internal parts with a cloth and non-corrosive solvent. Heavy deposits 1. Clean sealing surfaces and all internal may be cleaned from orifice in top of piston parts. - Page 5 Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Yarway is a mark owned by one of the companies in the Emerson Automated Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co.