Spec Sheet

SPEAKMAN
400 ANCHOR MILL ROAD
NEW CASTLE, DE 19720
800-537-2107
800-97 7-2747
WWW.SPEAKMAN.COM
Architect/Engineer Approval Space:
P:
F:
W:
R:
Management Systems Registered to ISO 9001
1. All dimensions are in inches (millimeters) unless otherwise specified and are subject to change without notice.
STW-350
01-JULY 2018
Thermostatic Mixing Valve
• 62.5 GPM (236.4 L/min) capacity supports multiple
eyewash, eye/face wash, and/or shower combinations
@ 30 PSI dierential pressure
• 41.1 GPM (155.7 L/min) cold water bypass in case of hot
water failure @ 30 PSI dierential pressure
• Automatic spring check stops at inlets with cylindrical
filter screens
• Maximum working pressure: 125 PSI
• 1” NPT female inlets and 1-1/4” NPT female outlet
connections
VALVE FEATURES:
• Adjustable set point, factory set to 85 °F
• Valve holds to +/- 3 °F
• Valve holds positive shut-o when cold water supply is lost
• Hot water inlet temperature range: 120 °F to 180 °F
• Cold water inlet temperature range: 40 °F to 70 °F
• Outlet water temperature range: 65 °F to 95 °F
• Minimum temperature dierential: 10 °F (cold water supply
to valve set point)
TEMPERATURE FEATURES:
• 3 Year Limited Warranty (commercial)
Visit www.speakman.com for full product warranty information
WARRANTY:
• ASSE 1071 certified
• CSA B125.3 certified
• NSF 372 certified
• cUPC certified
STANDARDS:
• STW-SC3: Cabinet for STW-350
• STW-BK3: Wall Bracket for STW-350
ADD-ONS:
11
5
8
"
296mm
9
1
4
"
236mm
8
7
8
"
225mm
1-1/4" NPT OUTLET CONNECTION
4
1
8
"
105mm
1" NPT INLET CONNECTIONS
FLOW CAPACITIES - GPM (L/MIN.)
MODEL MIN. FLOW
GPM
(L/MIN.)
PRESSURE DROP - PSI (BAR)
5
(0.4)
10
(0.7)
15
(1.0)
20
(1.4)
30
(2.1)
STW-350 3.0
(11.4)
28.3
(107.1)
35.4
(134.0)
41.7
(157.9)
48.9
(185.1)
62.5
(236.6)
Cold bypass only 16.3
(61.7)
19.2
(72.7)
25.3
(95.8)
31.4
(118.9)
41.1
(155.6)
This plumbing fixture is not intended to dispense water for human consumption through drinking
or for preparation of food or beverages.