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    Automatic Flow Controls


At the heart of every automatic flow control is the flow cartridge, whose overall design, materials, and manufacturing tolerances critically affect performance. Unlike others in the market, all Griswold cartridges are 100% stainless steel so you don't have to worry about material degradation. All cartridges are designed and manufactured to produce a continuous flow curve with only minor oscillations across the entire pressure range.
1/2" - 1 1/2" Combo with Ball Valve

PSI/Temp. Ratings: 300 PSI / 250?F
Available Sizes: 1/2", 3/4", 1", 1"(L), 1 1/4", 1 1/2"
Flow Range: 0.33 to 44.0 GPM

Download PDF Literature:
Specification Sheet (1/2" - 1")
Specification Sheet (1 1/4" - 1 1/2")

1/2" - 1 1/2" Threaded Mini

PSI/Temp. Ratings: 450 PSI / 250?F
Available Sizes: 1/2", 3/4", 1", 1 1/4", 1 1/2"
Flow Range: 0.33 to 44.0 GPM

Download PDF Literature:
Specification Sheet

1 1/2" - 3" Threaded Flange

PSI/Temp. Ratings: 300 PSI / 275?F
Available Sizes: 1 1/2", 2", 2 1/2", 3"
Flow Range: 14.0 to 150.0 GPM

Download PDF Literature:
Specification Sheet

1 1/2" - 2 1/2" Threaded Flange Combo

PSI/Temp. Ratings: 300 PSI / 275?F
Available Sizes: 1 1/2", 2", 2 1/2"
Flow Range: 14.0 to 150.0 GPM

Download PDF Literature:
Specification Sheet

2-1/2" - 3" Wafer AHU

PSI/Temp. Rating: 362 PSI / 275?F
Available Sizes: 2 1/2" and 3"
Flow Range: 14.0 to 160.0 GPM

Download PDF Literature:
Specification Sheet
3" - 6" Wafer & Butterfly Valve

PSI/Temp. Rating: 200 PSI / 250?F
Available Sizes: 3", 4", 6"
Flow Range: 14.0 to 600.0 GPM

Download PDF Literature:
Specification Sheet

3" Threaded High Capacity

PSI/Temp. Rating: 200 PSI / 250?F
Available Sizes: 3" only
Flow Range: 14.0 to 600.0 GPM

Download PDF Literature:
Specification Sheet

1 1/4" - 20" Grooved End

PSI/Temp. Rating: 200 PSI / 250?F
Available Sizes: 1 1/4", 1 1/2", 2", 2 1/2", 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20"
Flow Range: 3.0 to 6800.0 GPM

Download PDF Literature:
Specification Sheet (1/4" - 1 1/2")
Specification Sheet (2" - 20")
4" Grooved End AHU

PSI/Temp. Rating: 362 PSI / 275?F
Available Sizes: 4"
Flow Range: 14.0 to 150.0 GPM

Download PDF Literature:
Specification Sheet

2" - 20" Steel Flange

PSI/Temp. Rating: 230 PSI / 300?F
Available Sizes: 2", 2 1/2", 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20"
Flow Range: 3.0 to 6800.0 GPM

Download PDF Literature:
Specification Sheet

3" - 30" Wafer :
Class 150 & Class 300


PSI/Temp. Rating: 200 PSI / 250?F (Class 150)
PSI/Temp. Rating: 500 PSI / 350?F (Class 300)
Available Sizes: 3", 4", 6", 8", 10", 12", 14", 20", 30"
Flow Range: 14.0 to 17,000 GPM

Download PDF Literature:
Specification Sheet

J.L. Wingert Representatives can assist you with the selection of equipment best suited to your specific needs. Contact our customer service department by e-mail at customerservice@jlwingert.com or call us Monday through Friday from 7:00 a.m. to 5:00 p.m. PST at (714) 379-5519, or fax us at (714) 379-5549.

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Copyright © 2003 J.L. Wingert Company - Last modified: 4/28/08