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General Purpose

General Purpose Car

Pressure Relief Valves (PRV) for General Purpose Cars
Bottom Outlet Ball Valves
Tanktite^® Detachable Handle
Bottom Outlet Plug Valves
Vacuum Relief Valves (VRV)
Gauging Devices
Rupture Disc Devices
Accessories

Pressure Car

Gauging Devices
Accessories
Top Transfer Angle Valves
Pressure Relief Valves (PRV) for Pressure Cars
Check Valves

Remanufacturing & Repair

Pressure Differential

Pressure Differential Car

Pressure Relief Valves (PRV) by Civacon
Weld Rings
LM Series Pressure Manhole Covers
3-inch Aluminum Swing Check Valves
Series 345 Butterfly Valves
Kamlok Couplers & Dust Caps

Miscellaneous Products

Valve Actuator Systems
P-7040 Y-Pattern Valve

Emergency Response Kits

Other Product Families

Transportation Tank Truck Products

Chemical & Industrial Products

Electronic Systems Products

Retail Fueling Products

Midland Brands

Midland
Autolok®
Civacon
Drylok™
Kamlok®
Kamvalok®

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Anhydrous Ammonia
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Ethanol
Ethylene Oxide
LPG
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Mailing Address

7733 Gross Point Road, Skokie, Illinois 60077

Phone Numbers

847-677-0333

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Copyright ©2009-2017
OPW, A Dover Company

Midland Corporate Headquarters:
7733 Gross Point Road,
Skokie, Illinois, USA 60077 –
Tel: (847) 677-0333 –
Fax: (847) 677-0138

The following U.S. patents have expired:
4,199,012; 4,351,375; 4,429,725; 4,505,308; 4,453,578; 4,497,350; 4,557,302; 4,649,969; 4,682,714; 4,825,914; 4,971,121; 5,007,468; 5,135,029.
OPW claims no rights in any patent beyond its expiration.

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