The variable reach top loading arm is the most commonly used arm for top loading road tankers, due to its variable operating range.
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Standard Specification

Connection flange	ANSI 150 lb raised face (DIN upon request)
Inlet configuration	Below (also available as top inlet)
Style / Hand	Right hand (left hand also available)
Swivel Joints	Model 2174 - Carbon steel - Twin track
Seals	Viton (Nitrile also available).
Balance system	Model 05182 - Spring Cylinder
Loading valve	Model 504 - Stay or Hold open option
Remote control	For outboard operation
Vacuum breaker	Model 2336
Arms	Primary 'A'. Secondary 'B'. Drop pipe 'C'
Apex swivel joint	Model C3443
Drop pipe swivel joint	Model 536
Drop pipe outlet	T-Deflector with Bumper or 45° Bevelled
Nipper drip bucket	Model 2408
Available Sizes	3" and 4"
Accessories	Meter proving connection fitted to Drop Pipe Paint finish colour coded to identify product