5″ Manually Operated ASA/ANSI Metering/Locking Wet-R-Dri Butterfly Valve

The Betts Wet-R-Dri Valve is a lightweight and compact quarter turn in-line stop valve. This easily maintained and versatile valve is widely used for liquid, gaseous or dry products and is available in a variety of sizes.  The manual metering/locking valve provides an eight (8) position metering locking handle which holds the disc in the desired position. The body is offered in aluminum, cast iron or stainless lined with coatings available for increased chemical resistance and extended service life.  The disc seal and shaft O-rings are available in a variety of materials to optimize chemical resistance and service temperature range.  Valve mounts between 125# or 150# ASA/ANSI flanges.


Product Details

Assembly Number
Body Material DimensionsMaximum Working PressureWeight
WD526AL*AluminumA: 8 3/4" (222.3 mm)
B: 6 3/8" (161.9 mm)
C: 2 1/8" (54.0 mm)
O.D.: 7 5/8" (193.7 mm)
I.D.: 5 7/16" (138.11 mm)
50 psi
(3.44 bar)
8.6 lbs.
(3.90 kg)
* Replace asterisk in part number to designate disc coating.

Example Assembly


(5″ Wet-R-Dri Aluminum + White FDA Nitrile)
Seal MaterialsTemperature Range
B = Black Nitrile (Buna-N)-40°F to +240°F (-40°C to +116°C)
WB = White FDA Nitrile (Buna-N)-40°F to +240°F (-40°C to +116°C)
OP = White FDA Nitrile with SS Insert-40°F to +240°F (-40°C to +116°C)
VB = FKM (Viton™ B) Type B+9°F to +400°F (-13°C to +204°C)
VF = FKM GFLT-S-11°F to +400°F (-24°C to +204°C)
V= FKM (Viton™ A) Type A-0°F to +400°F (-17°C to +204°C)
U = Black Urethane-40°F to +200°F (-40°C to +93°C)
E = Black EPDM-50°F to +250°F (-45°C to +121°C)
WE = White EPDM-50°F to +250°F (-45°C to +121°C)
Not all materials are available for every size. Actual temperature values may vary due to service conditions.

Repair Kits and Accessories

Repair Kits Wet-R-Dri Valve

Additional Options

Betts prides itself in being able to provide products that meet a customer’s specific needs. As a result, we do offer modifications to our product standards. While not every request is always feasible, we do our best to meet your specific needs. In many cases, this modification is noted by adding a suffix to the end of the standard part number. The following is a non-inclusive list of common options that are available for this product line. If the options listed below do not meet your requirements please contact one of Betts’ Customer Service Representatives for further assistance. Please note that some product modifications may result in extended lead times.

Installation & Maintenance

Installation: The Wet-R-Dri Valve may be mounted in any position with a handle located for easy operation.  Standard right-hand operation opens by turning handle ¼ turn counterclockwise and left-hand operation (clockwise opening) is available for valve with the suffix “032”. Care should be taken when mounting the valve to be sure the I.D. of adjoining flanges or pipe is large enough to allow the disc of the valve to open freely.  Valve mounts between 125# or 150# ASA/ANSI flanges.

Engineering Bulletins

EB-02-17: Wet-R-Dri Valve Product Family Changes and New Product Introduction

SB9-08: Wet-R-Dri Valve Viton® Disc Material Update