OPW Engineered Systems HOME PRODUCTS BRANDS APPLICATIONS RESOURCES TECH SUPPORT COMPANY NEWS CONTACT OPW HOME LOGIN DISTRIBUTOR PORTAL SUPPLIER PORTAL COMPANY EMAIL CAREERS LEADING THE WAY SINCE 1892 CALL NOW! 1-800-547-9393 OPW Home | OPW Engineered Systems / Loading Systems Loading Systems OPW offers the most complete line of loading arms and loading-rack equipment for today's bulk loading and unloading requirements. Whether the application involves tank trucks, railcars, drums or totes, and the moving of petroleum products, liquefied gases, asphalt, solvents or hazardous/corrosive chemicals, OPW Engineered Systems is the preferred loading arm choice worldwide: Unmatched 120-Year Heritage Unparalleled Product Reliability Unbeatable Customer Care Unrivaled Resources and Capabilities Made in America TOP LOADING ARMS Fixed Reach Style Top Loading Arm Scissor Style Top Loading Arm Unsupported Boom Style Top Loading Arm Supported Boom Style Top Loading Arm Slide Sleeve Arm A-32-F BOTTOM LOADING ARMS Unsupported Boom Bottom Loader A Frame Loader "A" Frame Hose Loader AFH-32-F CWH Series Counterweighted Hose Loader Short Range Hose Loader Long Range Hose Loader LBM800 Liquip Balance Mechanism Velvet Touch MK2 Balance Assembly ELECTRONIC RACK EQUIPMENT Optic Rack Monitor Model 8130 for Bottom & Top Loading Opti-Therm Rack Monitor (Models 8460/8580) for Bottom Loading Ground Verification Monitor Model 8030 for Grounding Only Applications Plug & Cord Sets Automatic Switching Scully Replacement Chassis Model 8460SRC Optic Cane Probes CUSTOM LOADING ARMS Vapor Recovery Loading Arms Steam Jacketed Loading Arms Pneumatically Actuated Arm By-Pass Loading Arms Drum/Tote Loading Arms API COUPLERS 1004D2/1005E API Bottom Loading Coupler 1004D3 API Bottom Loading Coupler 1004D4 API Bottom Loading Coupler API Bottom Loading Coupler Accessories API700 Series Bottom Loading Coupler API800 Series Bottom Loading Coupler SAFETY BREAKAWAYS NTS-PU (direct pull) Series Safety Breakaway Coupling NTS-SZ (Cable-Release) Series Safety Breakaway Coupling LOADING SYSTEM ACCESSORIES Loading Arm Counter Balances Electronic Rack Equipment Safety Breakaways OPW Loading Valves API Bottom Loading Couplers and Accessories Inflatable Hatch Seal 8000 Series Endura Split Flange Swivels Vacuum Breaker Lockdown Deflectors Strainers Angle Valve Actuators BF4-SG-25Z Sightglass Flange Liquip LBV450VGL Butterfly Valve PA200 Parking Adaptor VCF500 Vapor Coupler VCF075W Vapor Recovery Coupler API Adaptor Wear Inspection Gauge RAILROAD AND TANK-CAR UNLOADING FITTINGS Kamlok® TTMA Flanged Railroad and Tank-Car Unloading Fitting Extended Elbow Railroad and Tank-Car Unloading Fitting Threaded Railroad and Tank-Car Unloading Fitting Recommended Accessories for Railroad and Tank-Car Unloading Fittings FLOATING SUCTION ASSEMBLIES PRODUCTS Chemical & Industrial Products Loading Systems Top Loading Arms Bottom Loading Arms Electronic Rack Equipment Custom Loading Arms API Couplers Safety Breakaways Loading System Accessories Railroad and Tank-Car Unloading Fittings Floating Suction Assemblies Swivel Joints Quick & Dry Disconnects Process Products Other Product Families Transportation Products Electronic Systems Retail Fueling Products CONTACT OPW Careers Privacy Policy Transparency in Supply Chains Disclosure Facebook LinkedIn Twitter Google+ YouTube Copyright ©2009-2015 OPW, A Dover Company OPW Engineered Systems Corporate Headquarters: 2726 Henkle Drive Lebanon, Ohio, USA 45036 (513) 932-9114 • (800) 547-9393 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. Back to top