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API Bottom Loading Arm HL32F/ HSL32F

OPW Engineered Systems HL32F / HSL32F

The API Bottom Loading Arm HL32F / HSL32F is designed to provide safe, efficient, and reliable bottom-loading operations for petroleum transport vehicles. Engineered to accommodate a wide range of tank truck configurations that comply with API Recommended Practice 1004, these loading arms deliver exceptional flexibility while supporting simultaneous loading of multiple compartments. Their durable construction, smooth operation, and maintenance-friendly design make them an ideal solution for modern fuel terminals and bulk liquid transfer facilities.

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API Bottom Loading Arm HL32F/ HSL32F

Overview

The HL32F and HSL32F API Bottom Loading Arms are engineered to maximize operational efficiency while maintaining safe and secure product transfer. Designed with a generous working envelope, these loading arms can easily connect to API adapters located on various tank truck configurations that meet API 1004 requirements. Their advanced design allows operators to load multiple compartments simultaneously, helping reduce loading times and improve terminal productivity. The HSL32F model includes an additional drop hose swivel, providing enhanced flexibility and extending hose service life in demanding loading environments. Manufactured with robust materials and equipped with OPW’s proven API coupling technology, these loading arms offer dependable performance in petroleum and liquid transfer applications worldwide.

Key Features

  • Designed to accommodate API 1004 compliant tank truck configurations
  • Supports simultaneous loading of multiple compartments
  • Smooth and easy operation for improved operator efficiency
  • Proven loading arm design used at fuel terminals worldwide
  • Durable construction for long service life
  • All-flanged construction simplifies maintenance and servicing
  • Swivels equipped with grease nipples for easy lubrication
  • Composite drop hose supplied as standard
  • Optional stainless steel or rubber hose configurations available
  • Wide range of seal materials available for product compatibility
  • Equipped with OPW 1005E3-0402 API coupler
  • Factory pre-balanced to reduce installation and commissioning time
  • Standard linear spring counterbalance system
  • Optional torsion spring configuration available
  • HSL32F model includes an additional drop hose swivel for greater flexibility

HL32F / HSL32F API Bottom Loading Arms Specifications

SpecificationDetails
Product TypeAPI Bottom Loading Arm
ModelsHL32F, HSL32F
Nominal Size4″ (DN100)
ConstructionAll-Flanged Design
Standard Hose TypeComposite Liquid Hose
Optional Hose TypesStainless Steel, Rubber Hose
Standard CouplerOPW 1005E3-0402 API Coupler
CounterbalanceLinear Spring
Optional CounterbalanceTorsion Spring
ComplianceAPI Recommended Practice 1004
ApplicationPetroleum and Liquid Transfer Loading
ComponentMaterial
Inlet SwivelCarbon Steel
Drop Hose SwivelAluminum
End SwivelAluminum
Swivel SealsViton® GFLT
Primary ArmCarbon Steel
Drop HoseHigh-Quality Composite Liquid Hose
API CouplerAluminum

Sourse:  VSL loader brochure

Source: HSL loader brochure

HL32F / HSL32F API Bottom Loading Arms Frequently Asked Questions

What is the API Bottom Loading Arm HL32F / HSL32F used for?

These loading arms are used for bottom-loading petroleum products and other compatible liquids into tank trucks at fuel terminals and bulk transfer facilities.

What is the difference between the HL32F and HSL32F models?

The HSL32F model includes an additional drop hose swivel, providing increased flexibility and helping extend hose service life during loading operations.

Can multiple compartments be load simultaneously?

Yes. The loading arm design allows operators to connect to multiple API adapters and load several compartments at the same time, improving terminal efficiency.

What hose options are available?

A composite liquid hose is supplie as standard. Stainless steel and rubber hose options are also available for specific applications.

What materials are use in the loading arm construction?

The primary arm is constructe from carbon steel, while the swivels and coupler utilize aluminum components. Viton® GFLT seals are used as standard.

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