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4/4/06

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Page HWS-51

Hot & Cold Water Hose Stations and Mixing Units
Assembly 3031—Standard
Model 320 3/4'' (20 mm) inlets/outlet(s) Thermostatic Mixing
Valve (TMV) of disposable cartridge construction. TMV features
unique full range temperature control from full cold to field
adjustable maximum temperature limit stop in a single handle
turn. TMV can be set and locked to a single temperature and will
hold outlet temperatures +/- 2°F (1°C) in the event of inlet pressure
and/or temperature fluctuation/change.* Thermal shutdown
capability protects operator in the event of an inlet supply failure.
This model includes integral tandem valve comprising two (2)
full port ball valves cross-linked by a stainless steel bridge piece
and lever for simultaneous on/off control of Both inlet supplies.
Complete assembly is mounted on a heavy-duty stainless steel
backplate that is suitable for wall or column installation.
Unit supplied fully assembled and pressure tested with strain
relief and 3/4'' (20 mm) coupling for hose attachment. Inlet
check valves are required (not supplied).
Assembly 3031

Hot Water Solutions

For a fully detailed certified drawing, refer to CDLW #1020.
* IMPORTANT NOTE: Other thermostatic products used
for this application cannot provide full cold to field
adjustable maximum limit stop temperature range or
access temperatures within 5°F (2°C) of either inlet
supply temperature.

Assembly 3031S—Premium
As above with corrosion-resistant industrial nickel-plated
components and integral spring-loaded check valves.
For a fully detailed certified drawing, refer to CDLW #1016.

Assembly 3032—Standard
Supplied as 3031 mounted on a heavy-duty stainless steel
single-piece hose rack that is suitable for wall or column installation.
Unit supplied fully assembled and pressure tested with strain
relief and 3/4" (20 mm) coupling for hose attachment. Inlet
check valves are strongly recommended.
For a fully detailed certified drawing, refer to CDLW #1021.

Assembly 3032S—Premium

Assembly 3032

As above with corrosion-resistant industrial nickel-plated
components and integral spring-loaded check valves.
For a fully detailed certified drawing, refer to CDLW #1017.
6-3/4"
(171 mm)

Technical Specifications

•
•

Cold
Water

Hot
Water

• 3/4'' (20 mm) NPT inlets and 3/4'' (20 mm) NPT outlet
• DZR brass/stainless alloy/polymer construction
• Operating pressures

2x Check Valves
Required (Not Supplied)
(Supplied With 3031S/3032S)

8"
(203 mm)

Maximum: 150 psi (10 bar)
Minimum: 10 psi (.7 bar)
Maximum pressure loss ratio: 10 to 1**
Shipping weights
3031: 30 lbs (13 kg)
3032: 32 lbs (14 kg)

13-5/8"
(345 mm)

10-1/4"
(259 mm)

Blended
Water

**Ratio of inlet pressures accounting for restrictions on valve
outlet (minus back pressure).

12-1/2"
(318 mm)

12-1/2"
(318 mm)

31-3/4"
(806 mm)

2"
(52 mm)

Flow Rates
The capacity chart for 3031/3032 appears on page HWS-52
under 3033.

334

8-1/8"
(206 mm)

All dimensions and weights are approximate. Use certified print for exact dimensions. Design and materials are subject to change without notice.

HWS-51

Armstrong Hot Water Group, 221 Armstrong Blvd., Three Rivers, MI 49093 – USA Phone: (269) 279-3602 Fax: (269) 279-3130
www.armstrong-intl.com

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