Bulletin 178 SH-1500 Series Superheat Traps Bimetallic Steam Traps for Superheat Conditions

Armstrong’s SH-1500 Series Bimetallic Steam Trap for superheat or low load conditions, is the ideal trap for applications where other trap styles are not suitable for long life.

Advantages: • Compact • Lightweight • High temperature capabilities • Long service life on superheat • Easy in-line repairability • Fail open design • Resists water hammer • Multiple pipe sizes & connections available • Integral strainer • Large start-up capacity • Quiet discharge • Forgiving of piping errors

The Armstrong SH-1500 series bimetallic trap also has the ability to handle the large start-up loads associated with superheat applications. The unique bimetallic element allows for tight shut-off before superheat reaches the trap thus preventing steam loss. The SH-1500 series utilizes a How to order: titanium valve and seat to ensure extremely long service life Specify: in the harsh environment of superheated steam systems. • Model number • Size and type of pipe connection. When flanges are Specifications: • required, specify type of flange in detail. The steam trap shall be an Armstrong bimetallic style. The trap shall be investment cast chrome-moly steel (Model SH-1500) with integral stainless steel strainer, in-line repairable. The mechanism shall consist of a stacked nickel-chrome bimetal operator, with titanium valve and seat. The steam trap shall be capable of operation on low load and superheat applications throughout its pressure/temperature range.

Maximum Operating Conditions: Maximum allowable pressure (vessel design) 1800 psig @ 1050°F (124 bar @ 500°C)

Maximum operating pressure 1500 psig (104 bar)

Suggested minimum operating pressure 600 psig (41 bar)

Connections: Socketweld, Buttweld and Flanged

Materials: Body and cap: ASTM 217 Gr. C12A Valve and seat: Titanium Elements: Ni-Cr and stainless steel Strainer: Stainless steel screen SH-1500 Series Superheat Traps Bimetallic Steam Traps for Superheat Conditions

SH-1500 Series Superheat Steam Traps SH-1500 SH-1500 Model in mm Pipe Connections 3/4", 1" 20, 25 "A" Height 5 127 "B" Face-to-Face 6-1/4 158 "C" CL to Top 3-13/16 97 "D" Width 4-7/8 124 * "E" 12 305 * "F" 6-3/8 162 Weight, lb (kg) 15 (6.8) * Dimensions "E" and "F" are for 3/4" connection, Class 1500 Flanged. Consult factory for dimensions of models with other connection sizes and/or flanges.

SH-1500 Pressure / Temperature (F) 3000 2500 2000 1500 1000

Pressure (psig) 500 0 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 Temperature (F) SH-1500 Flanged

SH-1500 Cold Water Capacity 10000 Capacity, lb/hr Capacity,

100 200 400 600 800 1000 1200 1500 Pressure, psig

Armstrong Steam and Condensate Group, 816 Maple Street, Three Rivers, MI 49093 – USA Phone: (269) 273-1415 Fax: (269) 278-6555 Bulletin 178 11/04 www.armstrong-intl.com