Gas Strut Hose (GSH) Bottom Loading Arm

Description:

Gas Strut Hose (GSH) Bottom Loading Arm

Coupling Category

Bottom Loading Arm

Manufacturer

OPW Engineered Systems

GSH Order Guide

The GSH provides effortless bottom loading in petroleum-distribution terminals through the use of a unique operational capability known as the Velvet Touch.

The ability of 360-degree rotation in the horizontal plane allows the GSH to easily move from a parked to a loading position, and to service vehicles on either side of the loading bay. Additionally, the vertical-plane swivel allows users to position the coupler at different heights within the API envelope.

Features & Benefits:

  • Velvet Touch Gas Struts provide smooth operation over the entire stroke of the loading arm
  • Exceptional durability and minimal service requirements
  • Any unit can be easily configured for left-hand, right-hand, upward and downward configurations on-site
  • Enhanced strength and ease of adjustment through a heavy-duty adjustment mechanism
  • Adjustable up/down stop that can be set with minimal effort
  • Long reach capabilities, ideal for five-, six- and seven-arm bays

Technical Features

Materials Carbon Steel/Aluminum
Seals Low-Temp Flurocarbon
Working Pressure 80 PSI (5.5 Bar)
Test Pressure 120 PSI (8.2 Bar)
Operating Temperature -20ºF to 140ºF (-29ºC tp 60ºC)
Up/Down Angular Movement -15º to 15º (from horizontal)
Typical Horizontal Spacing 18" (457 mm)
Typical Vertical Spacing 18" (457 mm)
Typical Reach (radius) 60" to 90" (1,524 mm to 2,286 mm)
Nominal Diameter 4"
Typical Flow Rates (Velocities < 15 ft/sec (7.5 m/sec)) 300-600 GPM (2000-3000 LPM)
Weight ~275 lbs*
*Estimated weight for entire Loading Arm (72" Reach). Weight can vary depending on selected options.


Materials of Construction

Inlet Flange  4" 150 ANSI ASTM A105
Inlet Swivel Investment Cast 4130 Steel
Primary Arm Piping Sch 40 Aluminum ASTM B241
Apex Swivel (p/n 3640FT-0402) Aluminum (Heat Treated)
Drop Hoses (L19080) Braided Stainless Steel, TTMA Ends
(L19081) Rackmaster Composite, TTMA Ends
Coupler Swivel (p/n VNI-A4VG) Aluminum(Heat Treated)
Isolation Valve (LBV450VGL) Cast Aluminum/Flurocarbon
Spacer Spool (p/nVSS4) Cast Aluminum AA601
API Coupler (p/n 1004D3, Lynx852VG) Aluminum/Flurocarbon, Low-Temp Flurocarbon


Additional Information

Weld Procedure Per the ASME Boiler & Pressure Vessel Code Section IX
Radiograph/X-Ray Per OPW Standard, 5% random/factory lot
Testing All assembled Loading Arms shall be tested to 1.5X the rated design pressure.
Surface Treatments All Carbon Steel components to be protected with a 2-part paint process. Aluminum components to be unpainted.
Lubricant OPW 880 High-Performance Synthetic Lubricant
Gasketing KlingerSil C5400


Recommended Spare Parts List**

Part # Description Where Used Qty/Arm
3000RK-0402 3000 Series Swivel Seal Kit, 4" Flurocarbon All Swivels (Counterbalance, Apex, Coupler Swivels) 4
1004D3SRK-0402 Coupler Seal Repair Kit, 4" Flurocarbon 1004D3-0402 (API Coupler) 1
API850VGSK Coupler Seal Repair Kit, 4" Flurocarbon Lynx852VG (API Coupler) 1
**Other seal kits/materials available upon request
Gas Strut Hose (GSH) Bottom Loading Arm
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   Reproductive Harm -
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