
Watson McDaniel
Since 1878, Watson McDaniel has been manufacturing high-quality steam and fluid specialty products for the industrial marketplace such as Steam Traps, Condensate Return Pumps, Pilot-Operated Regulating Valves, Direct-Operated Regulating Valves, Control Valves, Liquid Drainers and Specialty Products. Watson McDaniel’s goal and mission is to rapidly respond to the customers’ needs by providing cost-effective and reliable products and services.
COMPANY INFORMATION
WATSON MCDANIEL
Pressure Regulating Valves
O Series
SKU: WM-PRV-O
Service: Steam, Air, Water and Other liquids
Material: Cast Iron
Max. Capacity (2” Size, Steam): 2,141 Lbs/hr
Max. Inlet Pressure: 250 PSIG
Max. Diff. Pressure: 125 PSIG
Sizes: 3/8” – 2”
Connections: NPT

WATSON MCDANIEL
Pressure Regulating Valves
B Series
SKU: WM-PRV-B
Model: 455 series
Service: steam, water, air & other gases
Sizes: ½”, ¾”, 1”, 1 ¼”, 1 ½”, 2”, 2 ½”, 3”, 4”
Connections: NPT, 125# & 250# Flanges
Material: ½” – 1 ½” Bronze; 2”- 4” Cast Iron
Seat & Disc: Stainless steel
Max. Inlet pressure: 250 PSIG

WATSON MCDANIEL
Pressure Regulating Valves
455 Series
SKU: WM-PRV-455
Model: 455 series
Service: steam, water, air & other gases
Sizes: ½”, ¾”, 1”, 1 ¼”, 1 ½”, 2”, 2 ½”, 3”, 4”
Connections: NPT, 125# & 250# Flanges
Material: ½” – 1 ½” Bronze; 2”- 4” Cast Iron
Seat & Disc: Stainless steel
Max. Inlet pressure: 250 PSIG

WATSON MCDANIEL
Condensate Pumps
PMPC
SKU: WM-PMPC
Model: PMPC
Body: Ductile Iron
Check Valves: Stainless Steel
Max Capacity (3″ x 2″, 12″ Head, Simplex, Steam Motive): 19,700 lbs/hr
Max Operating Pressure: 200 PSIG
Size (Inlet x Outlet): 1″ x 1″, 1-1/2″ x 1″, 1-1/2″ x 1 1/2″, 2″ x 1″, 2″ x 1-1/2″, 2″ x 2″, 3″ x 2″
Connections: NPT

WATSON MCDANIEL
Steam Trap
WD900S & WD900LS
SKU: WM-WD900S
Model: WD900S, WD900LS
Sizes: 1/2”, 3/4”, 1”
Maximum Capacity: 968 Lbs/hr
Connections: NPT, SW, 600# FLG
Body Material: Low Carbon Chrome-Moly
Options: Insulation Cap
Maximum Operating Pressure (PMO): 900 psig
Maximum Operating Temperature (TMO): 842 °F

WATSON MCDANIEL
Steam Trap
WD700S
SKU: WM-WD700S
Model: WD700S
Sizes: 1/2”, 3/4”, 1”
Maximum Capacity: 1,750 Lbs/hr
Connections: NPT, SW, FLG
Body Material: Chrome-Moly Alloy Steel
Options: Blowdown Valve, Insulation Cap
Maximum Operating Pressure (PMO): 600 psig
Maximum Operating Temperature (TMO): 800 °F

WATSON MCDANIEL
Steam Trap
WD600S
SKU: WM-WD600S
Model: WD600S, WD600LS
Sizes: 1/2”, 3/4”, 1”
Maximum Capacity: 3,140 Lbs/hr
Connections: NPT
Body Material: Stainless Steel 420F
Options: Blowdown Valve, Insulation Cap
Maximum Operating Pressure (PMO): 600 psig
Maximum Operating Temperature (TMO): 750 °F

WATSON MCDANIEL
Steam Trap
WD600 & WD600L
SKU: WM-WD600
Model: WD600, WD600L
Sizes: 3/8”, 1/2”, 3/4”, 1”
Max. Capacity: 4,840 Lbs/hr
Connections: NPT
Body Material: Stainless Steel 420F
Options: Insulation Cap
Maximum Operating Pressure (PMO): 600 psig
Maximum Operating Temperature (TMO): 800 °F

WATSON MCDANIEL
Steam Trap
WD3600
SKU: WM-WD3600
Model: WD3600
Sizes: 1/2”, 3/4”, 1”
Maximum Capacity: 625 Lbs/hr
Connections: BW, SW, 600# FLG, 1500# FLG
Body Material: Forged Alloy Steel
Maximum Operating Pressure (PMO): 3600 psig
Maximum Operating Temperature (TMO): 975 °F @ 3600 psi
1025 °F @ 2220 psi

WATSON MCDANIEL
Inverted Bucket Steam Trap
WSIB & WSIBH
SKU: WM-WSIB/WSIBH
Model: WSIB, WSIBH
Body material: Stainless Steel
Max. Operating Pressure: 450 psig
Max. Capacity: 1,060 lbs/hr
Sizes: 1/2″ – 3/4”
Connections: NPT, SW
