OPW Engineered Systems
Fixed Reach (FXR) Top Loading Arm

FXR Dimensions

FXR Order Guide

This simple arm incorporates only three swivel planes of rotation and is designed for use in top-loading installations where the vehicle is located at a fixed distance from the riser pipe. The two swivel planes at the inlet permit both up-and-down and side-to-side movement of the assembly, and the third swivel plane allows the drop pipe to remain vertical.

Features & Benefits:

• 3000 Series Swivel Joints
  • Simple, Proven Design
  • Carbon Steel/Aluminum Construction
  • Low-Temperature Fluorocarbon Seals
  • Wide Compatibility
• 790 EZ Adjust Counterbalance
  • Safe, Easy Adjustment
  • Integral, Upward, Downward Travel Stops
• Available with Loading Valve
  • Safety Closure will automatically close if left unattended
  • Remote Control Linkage allows operator to actuate valve while on truck

Technical Specifications

Materials	Ductile Iron/Aluminum
Seals	Low-Temp Fluorocarbon
Working Pressure	80 PSI (5.5 Bar)
Test Pressure	120 PSI (8.2 Bar)
Operating Temperature	-20ºF to 140ºF (-29ºC to 60ºC)
Up/Down Angular Movement	70º to -20º (from horizontal)
Typical Horizontal Spacing	24" (610 mm)
Typical Vertical Spacing	15" (381 mm)
Typical Reach (radius)	60" to 108" (1,524 mm to 2,743 mm)
Nominal Diameter	3" and 4"
Typical Flow Rates (Velocities < 15 ft/sec (7.5 m/sec))	300-600 GPM (2,000-3,500 LPM)

Materials of Construction

Inlet Flange	150 ANSI ASTM A105
Inlet Swivel	Ductile Iron ASTM A105
Piping	Sch 40 Aluminum ASTM B241
Apex/Drop Tube Swivel (p/n 3640FT-0402)	Aluminum ASTM B26 A356 T6

Additional Information

Weld Protection	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/Ductile Iron 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