Watson McDaniel Company Datasheets for Steam Traps

Steam traps are automatic valves that release condensate from a steam space while preventing the loss of live steam. They also remove air and noncondensables from the steam space.
Steam Traps: Learn more

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Product Name Notes
Inverted Bucket Steam Trap -- 1/2" WSIB-150
Inverted Bucket Steam Trap -- 1/2" WSIB-20
Inverted Bucket Steam Trap -- 1/2" WSIB-450
Inverted Bucket Steam Trap -- 1/2" WSIB-80
Inverted Bucket Steam Trap -- 1/2" WSIBH-125
Inverted Bucket Steam Trap -- 1/2" WSIBH-15
Inverted Bucket Steam Trap -- 1/2" WSIBH-200
Inverted Bucket Steam Trap -- 1/2" WSIBH-250
Inverted Bucket Steam Trap -- 1/2" WSIBH-30
Inverted Bucket Steam Trap -- 1/2" WSIBH-450
Inverted Bucket Steam Trap -- 1/2" WSIBH-70
• All stainless steel body • Handles superheated steam (with check valve installed at inlet) • Water hammer resistant • Valve & seat are at the top of the trap...
Float and Thermostatic Steam Trap -- 1 1/2" WFT-015-16
Float and Thermostatic Steam Trap -- 1 1/2" WFT-030-16
Float and Thermostatic Steam Trap -- 1 1/2" WFT-075-16
Float and Thermostatic Steam Trap -- 1 1/2" WFT-125-16
Float and Thermostatic Steam Trap -- 1 1/2" WFT-175-16
Float and Thermostatic Steam Trap -- 1 1/2" WFT-250-16
Float and Thermostatic Steam Trap -- 1 1/4" WFT-015-15
Float and Thermostatic Steam Trap -- 1 1/4" WFT-030-15
Float and Thermostatic Steam Trap -- 1 1/4" WFT-075-15
Float and Thermostatic Steam Trap -- 1 1/4" WFT-125-15
Float and Thermostatic Steam Trap -- 1 1/4" WFT-175-15
Float and Thermostatic Steam Trap -- 1 1/4" WFT-250-15
Float and Thermostatic Steam Trap -- 1" WFT-015-14
Float and Thermostatic Steam Trap -- 1" WFT-030-14
Float and Thermostatic Steam Trap -- 1" WFT-075-14
Float and Thermostatic Steam Trap -- 1" WFT-125-14
Float and Thermostatic Steam Trap -- 1" WFT-175-14
Float and Thermostatic Steam Trap -- 1" WFT-250-14
Float and Thermostatic Steam Trap -- 2" WFT-015-17
Float and Thermostatic Steam Trap -- 2" WFT-030-17
Float and Thermostatic Steam Trap -- 2" WFT-075-17
Float and Thermostatic Steam Trap -- 2" WFT-125-17
Float and Thermostatic Steam Trap -- 2" WFT-175-17
Float and Thermostatic Steam Trap -- 2" WFT-250-17
Float and Thermostatic Steam Trap -- 3/4" WFT-015-13
Float and Thermostatic Steam Trap -- 3/4" WFT-030-13
Float and Thermostatic Steam Trap -- 3/4" WFT-075-13
Float and Thermostatic Steam Trap -- 3/4" WFT-125-13
Float and Thermostatic Steam Trap -- 3/4" WFT-175-13
Float and Thermostatic Steam Trap -- 3/4" WFT-250-13
• All stainless steel internals with hardened seat and wear parts • In-line repairable is simplified by having all internals attached to the cover • Welded stainless steel thermostatic air...
Bi-Metallic Steam Trap -- 1 1/2" WPN-40
Bi-Metallic Steam Trap -- 1 1/2" WPN-63
Bi-Metallic Steam Trap -- 1 1/4" WPN-40
Bi-Metallic Steam Trap -- 1 1/4" WPN-63
Bi-Metallic Steam Trap -- 1" WPN-100
Bi-Metallic Steam Trap -- 1" WPN-160
Bi-Metallic Steam Trap -- 1" WPN-250
Bi-Metallic Steam Trap -- 1" WPN-40
Bi-Metallic Steam Trap -- 1" WPN-63
Bi-Metallic Steam Trap -- 1/2" WPN-100
Bi-Metallic Steam Trap -- 1/2" WPN-160
Bi-Metallic Steam Trap -- 1/2" WPN-250
Bi-Metallic Steam Trap -- 1/2" WPN-40
Bi-Metallic Steam Trap -- 1/2" WPN-63
Bi-Metallic Steam Trap -- 2" WPN-40
Bi-Metallic Steam Trap -- 2" WPN-63
Bi-Metallic Steam Trap -- 3/4" WPN-100
Bi-Metallic Steam Trap -- 3/4" WPN-160
Bi-Metallic Steam Trap -- 3/4" WPN-250
Bi-Metallic Steam Trap -- 3/4" WPN-40
Bi-Metallic Steam Trap -- 3/4" WPN-63
• Excellent for high pressure and superheated steam applications • Freeze-proof and resistant to water hammer • Handles superheated steam with check valve installed at inlet • In-line repairable •
Float and Thermostatic Module -- WFT450-145
Float and Thermostatic Module -- WFT450-225
Float and Thermostatic Module -- WFT450-65
Inverted Bucket Module -- WSIB450-150
Inverted Bucket Module -- WSIB450-20
Inverted Bucket Module -- WSIB450-450
Inverted Bucket Module -- WSIB450-80
Inverted Bucket Module -- WSIB450H-125
Inverted Bucket Module -- WSIB450H-15
Inverted Bucket Module -- WSIB450H-200
Inverted Bucket Module -- WSIB450H-250
Inverted Bucket Module -- WSIB450H-30
Inverted Bucket Module -- WSIB450H-450
Inverted Bucket Module -- WSIB450H-70
• Trap module can be easily removed and replaced in minutes without having to disconnect any piping • Hardened stainless steel valves and seat • Freeze resistant • Connectors available...
Float and Thermostatic Steam Trap -- 1 1/2" FT-37L
Float and Thermostatic Steam Trap -- 1 1/2" FT-7
Float and Thermostatic Steam Trap -- 1 1/2" FT-77L
Float and Thermostatic Steam Trap -- 1 1/4" FT-36
Float and Thermostatic Steam Trap -- 1 1/4" FT-6
Float and Thermostatic Steam Trap -- 1 1/4" FT-76
Float and Thermostatic Steam Trap -- 1" FT-34
Float and Thermostatic Steam Trap -- 1" FT-35
Float and Thermostatic Steam Trap -- 1" FT-4
Float and Thermostatic Steam Trap -- 1" FT-74
Float and Thermostatic Steam Trap -- 1" FT-75
Float and Thermostatic Steam Trap -- 2" FT-38
Float and Thermostatic Steam Trap -- 2" FT-78
Float and Thermostatic Steam Trap -- 2" FT-8
Float and Thermostatic Steam Trap -- 2" FT-S8-15
Float and Thermostatic Steam Trap -- 2" FT-S8-75
Float and Thermostatic Steam Trap -- 3/4" FT-3
Float and Thermostatic Steam Trap -- 3/4" FT-33
Float and Thermostatic Steam Trap -- 3/4" FT-73
The FT Series float and thermostatic steam traps are used for HVAC and light industrial process applications, and can be applied to unit heaters, water heaters, pressing machines, heat exchangers,...
Float and Thermostatic Steam Trap -- 1 1/2" FT600-145-16
Float and Thermostatic Steam Trap -- 1 1/2" FT600-400-16
Float and Thermostatic Steam Trap -- 1 1/2" FT600-65-16
Float and Thermostatic Steam Trap -- 1 1/2" FT601-145-16
Float and Thermostatic Steam Trap -- 1 1/2" FT601-400-16
Float and Thermostatic Steam Trap -- 1 1/2" FT601-65-16
Float and Thermostatic Steam Trap -- 1" FT600-145-14
Float and Thermostatic Steam Trap -- 1" FT600-200-14
Float and Thermostatic Steam Trap -- 1" FT600-300-14
Float and Thermostatic Steam Trap -- 1" FT600-400-14
Float and Thermostatic Steam Trap -- 1" FT600-65-14
Float and Thermostatic Steam Trap -- 1" FT601-145-14
Float and Thermostatic Steam Trap -- 1" FT601-200-14
Float and Thermostatic Steam Trap -- 1" FT601-300-14
Float and Thermostatic Steam Trap -- 1" FT601-400-14
Float and Thermostatic Steam Trap -- 1" FT601-65-14
Float and Thermostatic Steam Trap -- 2" FT600-145-17
Float and Thermostatic Steam Trap -- 2" FT600-400-17
Float and Thermostatic Steam Trap -- 2" FT600-65-17
Float and Thermostatic Steam Trap -- 2" FT601-145-17
Float and Thermostatic Steam Trap -- 2" FT601-400-17
Float and Thermostatic Steam Trap -- 2" FT601-65-17
Float and Thermostatic Steam Trap -- 3" FT600
Float and Thermostatic Steam Trap -- 3" FT601
Float and Thermostatic Steam Trap -- 3/4" FT600-145-13
Float and Thermostatic Steam Trap -- 3/4" FT600-200-13
Float and Thermostatic Steam Trap -- 3/4" FT600-300-13
Float and Thermostatic Steam Trap -- 3/4" FT600-400-13
Float and Thermostatic Steam Trap -- 3/4" FT600-65-13
Float and Thermostatic Steam Trap -- 3/4" FT601-145-13
Float and Thermostatic Steam Trap -- 3/4" FT601-200-13
Float and Thermostatic Steam Trap -- 3/4" FT601-300-13
Float and Thermostatic Steam Trap -- 3/4" FT601-400-13
Float and Thermostatic Steam Trap -- 3/4" FT601-65-13
Float and Thermostatic Steam Trap -- 4" FT600
Float and Thermostatic Steam Trap -- 4" FT601
The FT600 Series high-pressure float and thermostatic steam traps are primarily used on industrial process applications. The excellent air handling capabilities of float and thermostatic traps make them a better...
Float and Thermostatic Steam Trap -- 1 1/2" FTE-200
Float and Thermostatic Steam Trap -- 2 1/2" FTE-125
Float and Thermostatic Steam Trap -- 2 1/2" FTE-200
Float and Thermostatic Steam Trap -- 2 1/2" FTE-50
Float and Thermostatic Steam Trap -- 2 1/2" FTES-300
Float and Thermostatic Steam Trap -- 2" FTE-20
Float and Thermostatic Steam Trap -- 2" FTE-200
Float and Thermostatic Steam Trap -- 2" FTE-50
The FTE/FTES Series float and thermostatic steam traps are used in HVAC and on industrial process equipment with very high load requirements. These high capacity steam traps are typically used...
Float and Thermostatic Steam Trap -- 1 1/2" FTT-145
Float and Thermostatic Steam Trap -- 1 1/2" FTT-250
Float and Thermostatic Steam Trap -- 1 1/2" FTT-65
Float and Thermostatic Steam Trap -- 1" FTT-145
Float and Thermostatic Steam Trap -- 1" FTT-225
Float and Thermostatic Steam Trap -- 1" FTT-300
Float and Thermostatic Steam Trap -- 1" FTT-65
Float and Thermostatic Steam Trap -- 1/2" FTT-145
Float and Thermostatic Steam Trap -- 1/2" FTT-225
Float and Thermostatic Steam Trap -- 1/2" FTT-65
Float and Thermostatic Steam Trap -- 2" FTT-145
Float and Thermostatic Steam Trap -- 2" FTT-250
Float and Thermostatic Steam Trap -- 2" FTT-65
Float and Thermostatic Steam Trap -- 3/4" FTT-145
Float and Thermostatic Steam Trap -- 3/4" FTT-225
Float and Thermostatic Steam Trap -- 3/4" FTT-65
The FTT Series float and thermostatic steam traps are used in drip and process applications, industrial and HVAC process equipment. The excellent air handling capabilities of float and thermostatic traps...
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-125
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-15
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-180
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-250
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-30
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-60
Inverted Bucket Steam Trap -- 1 1/2" IB-1038S-80
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-125
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-15
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-180
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-250
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-30
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-60
Inverted Bucket Steam Trap -- 1 1/4" IB-1038S-80
Inverted Bucket Steam Trap -- 1" IB-1032-125
Inverted Bucket Steam Trap -- 1" IB-1032-15
Inverted Bucket Steam Trap -- 1" IB-1032-200
Inverted Bucket Steam Trap -- 1" IB-1032-250
Inverted Bucket Steam Trap -- 1" IB-1032-30
Inverted Bucket Steam Trap -- 1" IB-1032-70
Inverted Bucket Steam Trap -- 1" IB-1034-125
Inverted Bucket Steam Trap -- 1" IB-1034-15
Inverted Bucket Steam Trap -- 1" IB-1034-180
Inverted Bucket Steam Trap -- 1" IB-1034-250
Inverted Bucket Steam Trap -- 1" IB-1034-30
Inverted Bucket Steam Trap -- 1" IB-1034-60
Inverted Bucket Steam Trap -- 1" IB-1034-80
Inverted Bucket Steam Trap -- 1" IB-1044-125
Inverted Bucket Steam Trap -- 1" IB-1044-15
Inverted Bucket Steam Trap -- 1" IB-1044-180
Inverted Bucket Steam Trap -- 1" IB-1044-250
Inverted Bucket Steam Trap -- 1" IB-1044-30
Inverted Bucket Steam Trap -- 1" IB-1044-60
Inverted Bucket Steam Trap -- 1" IB-1044-80
Inverted Bucket Steam Trap -- 1/2" IB-1031-125
Inverted Bucket Steam Trap -- 1/2" IB-1031-150
Inverted Bucket Steam Trap -- 1/2" IB-1031-20
Inverted Bucket Steam Trap -- 1/2" IB-1031-80
Inverted Bucket Steam Trap -- 1/2" IB-1031S-125
Inverted Bucket Steam Trap -- 1/2" IB-1032-125
Inverted Bucket Steam Trap -- 1/2" IB-1032-15
Inverted Bucket Steam Trap -- 1/2" IB-1032-200
Inverted Bucket Steam Trap -- 1/2" IB-1032-250
Inverted Bucket Steam Trap -- 1/2" IB-1032-30
Inverted Bucket Steam Trap -- 1/2" IB-1032-70
Inverted Bucket Steam Trap -- 1/2" IB-1033-125
Inverted Bucket Steam Trap -- 1/2" IB-1033-15
Inverted Bucket Steam Trap -- 1/2" IB-1033-200
Inverted Bucket Steam Trap -- 1/2" IB-1033-250
Inverted Bucket Steam Trap -- 1/2" IB-1033-30
Inverted Bucket Steam Trap -- 1/2" IB-1033-70
Inverted Bucket Steam Trap -- 1/2" IB-1041-125
Inverted Bucket Steam Trap -- 1/2" IB-1041-150
Inverted Bucket Steam Trap -- 1/2" IB-1041-20
Inverted Bucket Steam Trap -- 1/2" IB-1041-80
Inverted Bucket Steam Trap -- 1/2" IB-1042-125
Inverted Bucket Steam Trap -- 1/2" IB-1042-15
Inverted Bucket Steam Trap -- 1/2" IB-1042-200
Inverted Bucket Steam Trap -- 1/2" IB-1042-250
Inverted Bucket Steam Trap -- 1/2" IB-1042-30
Inverted Bucket Steam Trap -- 1/2" IB-1042-70
Inverted Bucket Steam Trap -- 3/4" IB-1031-125
Inverted Bucket Steam Trap -- 3/4" IB-1031-150
Inverted Bucket Steam Trap -- 3/4" IB-1031-20
Inverted Bucket Steam Trap -- 3/4" IB-1031-80
Inverted Bucket Steam Trap -- 3/4" IB-1031S-125
Inverted Bucket Steam Trap -- 3/4" IB-1032-125
Inverted Bucket Steam Trap -- 3/4" IB-1032-15
Inverted Bucket Steam Trap -- 3/4" IB-1032-200
Inverted Bucket Steam Trap -- 3/4" IB-1032-250
Inverted Bucket Steam Trap -- 3/4" IB-1032-30
Inverted Bucket Steam Trap -- 3/4" IB-1032-70
Inverted Bucket Steam Trap -- 3/4" IB-1033-125
Inverted Bucket Steam Trap -- 3/4" IB-1033-15
Inverted Bucket Steam Trap -- 3/4" IB-1033-200
Inverted Bucket Steam Trap -- 3/4" IB-1033-250
Inverted Bucket Steam Trap -- 3/4" IB-1033-30
Inverted Bucket Steam Trap -- 3/4" IB-1033-70
Inverted Bucket Steam Trap -- 3/4" IB-1034-125
Inverted Bucket Steam Trap -- 3/4" IB-1034-15
Inverted Bucket Steam Trap -- 3/4" IB-1034-180
Inverted Bucket Steam Trap -- 3/4" IB-1034-250
Inverted Bucket Steam Trap -- 3/4" IB-1034-30
Inverted Bucket Steam Trap -- 3/4" IB-1034-60
Inverted Bucket Steam Trap -- 3/4" IB-1034-80
Inverted Bucket Steam Trap -- 3/4" IB-1041-125
Inverted Bucket Steam Trap -- 3/4" IB-1041-150
Inverted Bucket Steam Trap -- 3/4" IB-1041-20
Inverted Bucket Steam Trap -- 3/4" IB-1041-80
Inverted Bucket Steam Trap -- 3/4" IB-1042-125
Inverted Bucket Steam Trap -- 3/4" IB-1042-15
Inverted Bucket Steam Trap -- 3/4" IB-1042-200
Inverted Bucket Steam Trap -- 3/4" IB-1042-250
Inverted Bucket Steam Trap -- 3/4" IB-1042-30
Inverted Bucket Steam Trap -- 3/4" IB-1042-70
The IB Series inverted bucket traps are available in several sizes and capacity ranges. Inverted bucket traps can handle superheated steam when a check valve is used. The smaller traps...

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