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Specializing in the sales, service and installation of petroleum equipment |
| Loading arms Bottom loading |
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OPW BOTTOM LOADING ARMS — Some of the benefits bottom loading systems provide over top loading: •The operator of the loading arm stays on the ground and not atop a vehicle, where falls are a common threat. •Bottom load systems create less turbulence in the tank, reducing the danger of generating static electricity. •Bottom loading island are generally simpler and cheaper to build than top loading racks. |
Design tool | Inquiries? Call us 8am-5pm Pacific time, or email us. |
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OPW MODEL G-32-F
UNSUPPORTED BOOM — •Extremely versatile. Can be equipped with a dry disconnect coupler, union, quick coupling or other end fitting allowing connection on the side, at the rear or underneath the vehicle. •Includes torsion spring balance, flanged inlet and carbon steel inlet, ductile iron intermediate, aluminum outboard swivels. •Flexible to compensate for vehicle misplacement. •Low profile with a long reach. •Available in 2", 3", 4" and 6". •Available in steel, stainless steel, aluminum and specialty alloys. •Choice of flanged, threaded or all-welded construction. |
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OPW MODEL M-32-F 'A' FRAME TYPE — •Commonly used for tank truck bottom loading. •Includes torsion spring balance, flanged connections, ductile iron inlet swivel, aluminum apex and outlet swivels, handle amd TTMA outlet connection. •Also can be used in top-loading and unloading installartions. •In multiple product applications, can be mounted close to another arm. •Stores neatly in a near vertical positon. •Adjusts for any changes in the elevation or tilting of the vehicle during loading or unloading. •Available in 3" and 4". •Available in steel, stainless steel, aluminum and specialty alloys. •Choice of flanged, threaded or all-welded construction |
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OPW MODEL AFH-32-F
'A' FRAME TYPE — •Like the M-32-F, but with flexible hose in place of rigid piping on the secondary arm. Minimum recommended drop hose length approximately 60". •Does NOT include outlet swivel elbow, spacer spool, coupler or polypropylene fuel hose. •Low mounting height. •In multiple product applications, can be mounted close to another arm. •Stores neatly in a near vertical positon. •Often used as a vapor arm in fuel terminals. •Can be adapted for use in top loading and unloading applications. •Available in 2", 3" and 4". •Available in steel, stainless steel, aluminum and specialty alloys. •Choice of flanged, threaded or all-welded construction |
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OPW MODEL CWH
COUNTERWEIGHTED TYPE — Bottom loader. •Adjustable counterweights mounted on a pair of horizontal rails are moved until the desired balance point is located. •Does NOT include outlet swivel elbow, spacer spool, coupler or polypropylene fuel hose. •Flange-by-flange base swivel joint provides reliable service and ease of maintenance. •Standard horizontal reach is 114". Other, shorter reach lengths available. •Composite hose (minimum 60") is standard, w/stainless steel hoses available. Minimum recommended hose length is 60" •Available in 4" and 6" x 4" sizes. •Carbon steel construction. |
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OPW MODEL SRH-32-F
SPRING-BALANCED — Bottom loader. •Short range (52" reach) version. •Does NOT include outlet swivel elbow or spacer spool. •Torsion spring is located back at the riser on the short range model. The spring is located a short distance out on the long range version. •Like the counterweighted loader, spring balanced hose loaders are generally stored at the horizontal, with only slight upward or downward movement required to align the coupler with the tank truck adapter. •Available in 3" and 4". •Available in steel, stainless steel and aluminum. •Choice of flanged, threaded or all-welded construction. |
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Top loading |
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OPW TOP LOADING
ARMS — Some benefits of top loading: •An efficient means of loading and unloading railcars and trucks in many situations. •Properly designed, the top loading system has sufficient horizontal reach to access the farthest compartment without re-spotting the vehicle. •Sufficient vertical movement and drop-pipe lengths to service vehicles of varying heights is another necessity with a top load system. |
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OPW MODEL E-32-F
ONE ARM/FIXED REACH — Top loader. •Primarily used to load and unload railcars through open domes in installations where the cars can be accurately spotted. •Includes valve, torsion spring balance, ductile iron inlet swivel, aluminum drop swivel and tube, remote control. •Can also be used for tank truck installations, where some allowance for 'mis-spotting' is possible and increases as the diameter of the hatch opening increases. •Valves can be located inboard or outboard to facilitate loading. •Adaptable to tight-fill or closed-system loading when equipped with additional swivel planes of rotation and/or drop hose along with the required outboard coupling, union or fitting. •Available in 2", 3" and 4". 2" version has threaded inlet connection. •Available in steel, stainless steel, aluminum and specialty alloys. |
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OPW MODEL C-32-RF
SCISSOR STYLE — Top loader. •Long range, scissors-style assembly, commonly used to handle high flow rates and withstand rough usage in tank truck loading applications. •Includes inboard valve, torsion spring balace, flanged inlet (except 2" version; threaded inlet), remote control, ductile iron inlet swivel, loading valve, vacuum breaker, aluminum primary arm, intermediate and drop swivels and drop tube. •Also a good choice for railcar loading sites where the railcars are frequently 'mis- spotted' . •Designed specifically for applications where a variable operating range is required. The secondary arm rotates 360° in the horizontal plane, providing a spotting allowance of up to twice its length . •Adaptable to tight-fill or closed-system loading when equipped with additional swivel planes of rotation and/or drop hose along with the required outboard coupling, union or fitting. •Available in 2", 3" and 4". •Available in steel, stainless steel, aluminum and specialty alloys. •Choice of flanged, threaded or all-welded construction. |
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OPW SUPPORTED
B-32-RF BOOM ARM — Top loader. •Provides dependable, low maintenance service in high usage areas. •Includes torsion spring balace, flanged inlet, remote control, steel swivel inlet swivel, steel boom assembly, vacuum breaker, ductile iron intermediate swivel, aluminum primary arm and drop tube. •Due to its boom-mounted design, no heavy loads are placed on the swivel components, minimizing wear. •Consists of a single-arm loader mounted on a swiveling boom attached to a permanent structure with either a pillow block or flange bearing for added strength and support. •Boom can be folded back against the rack for convenient and compact storage. •Optional valves —dry disconnect, ball, butterfly, loading, etc— can be used because of the book support. •Available in 3" and 4". •Available in steel, stainless steel, aluminum and specialty alloys. •Choice of flanged, threaded or all-welded construction. |
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OPW MODEL A-32-RF SLIDE SLEEVE
ARM — Top loader. •Incorporates a slide sleeve assembly that telescopes in and out to adjust for variations in the distance from the loading rack to the hauling vehicle. •Includes 150# flanged inlet (2" version comes with threaded inlet), ductile iron inlet swivel, aluminum drop swivel and tube, loading valve, vacuum breaker and remote control. •Used primarily in small bulk plants and terminals for toploading gasoline, fuel oil and other petroleum products. •Slide sleeve is a medium duty unit designed for flow rates up to 15'/sec. •Higher flow rates may tend to push the inner tube out beyond the loading point. •Available in 2", 3" and 4". |
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