OPW Engineered Systems Vapor Recovery Arms — Piggyback and Dual/Siamese Designs
The CWH Series Hose Loader is designed to provide safe, efficient, and flexible bottom-loading operations for petroleum and liquid transfer applications. Featuring a counterweighted design and extended reach capability, this hose loader simplifies product loading while ensuring reliable performance and smooth handling. Its rugged construction and maintenance-friendly design make it a practical solution for fuel terminals, bulk plants, and loading rack facilities.
SafeRack supplies and supports OPW loading arms with expert spec guidance from Regional Area Managers who help you select the right size, materials, and end fitting for your terminal. Get configuration help, lead times, and pricing in one call.
OPW Engineered Systems Vapor Recovery Arms — Piggyback and Dual/Siamese Designs
Safety & Compliance Expert
HAVE A QUESTION?
Talk to a Safety Expert Now
OPW Engineered Systems Vapor Recovery Arms — Piggyback and Dual/Siamese Designs
Overview
The CWH Series Hose Loader combines durable construction with operational flexibility to meet the demands of modern loading facilities. Adjustable counterweights mounted on horizontal rails allow operators to easily balance the loading arm for smooth movement and effortless connection to tank truck adapters. Designed with a flange-by-flange base swivel joint, the system provides dependable operation while simplifying maintenance procedures. The standard configuration incorporates carbon steel and aluminum components along with a flexible drop hose for improved maneuverability. With the ability to support multiple-compartment loading and API envelope compliance, the CWH Series Hose Loader helps improve loading efficiency and reduce vehicle turnaround times.
Key Features
- Simple and rugged loading arm construction
- Extended reach capability up to 114 inches (2896 mm)
- Adjustable counterweight system for smooth balancing
- Supports multiple-compartment loading operations
- Dual Split Flange (DSF) inlet swivel for durability
- Carbon steel and aluminum construction
- Low-temperature fluorocarbon seals
- Available with braided stainless steel hose
- Available with Rackmaster composite hose
- Reliable flange-by-flange swivel joint design
- Smooth operation and easy handling
- Designed for API loading applications
- Maintenance-friendly construction
Vapor Recovery Loading Arms Specifications
| Specification | Details |
|---|---|
| Product Type | Vapor Recovery Loading Arm |
| Application | Top Loading Vapor Recovery |
| Configuration Options | Fixed Reach, Articulated, Dual-Line, Pneumatically Actuated |
| Vapor Collection Method | Closed-Loop Vapor Recovery |
| Installation Type | Loading Rack Mounted |
| Operation | Manual or Pneumatically Assisted |
| Compatibility | Petroleum, Chemical, and Bulk Liquid Loading Applications |
| Customization | Available Based on Facility Requirements |
Materials of construction
| Component | Material |
|---|---|
| Primary Arm Structure | Carbon Steel or Stainless Steel |
| Vapor Recovery Piping | Carbon Steel or Stainless Steel |
| Swivel Joints | Carbon Steel or Stainless Steel |
| Seals | Application-Specific Elastomers |
| Hardware & Fasteners | Corrosion-Resistant Steel |
| Vapor Connections | Carbon Steel, Stainless Steel, or Aluminum |
| Optional Components | Configurable Based on Application Requirements |
Source: OPW-ES Loading Systems Catalog
Vapor Recovery Loading Arms Frequently Asked Questions
Vapor Recovery Loading Arms are used to collect and transfer vapors generated during top-loading operations, helping reduce emissions and improve environmental compliance.
Vapor recovery helps minimize the release of volatile organic compounds (VOCs), improves workplace safety, reduces product loss, and supports regulatory compliance.
These systems are commonly used in petroleum terminals, chemical processing facilities, bulk liquid storage terminals, and industrial loading operations.
Yes. Vapor recovery loading arms are available in multiple configurations, including fixed-reach, articulated, dual-line, and pneumatically actuated systems.
Yes. Systems can be configured to meet specific operational requirements, transport vehicle designs, and loading rack layouts.
Related Products
OPW Engineered Systems LBM800
OPW Engineered Systems LBM800 — Liquip Balance Mechanism (Bottom Loading Arm)
OPW Engineered Systems SRH-32-F
OPW Engineered Systems SRH-32-F — Short-Range Spring Balanced Hose Loader
OPW Engineered Systems LRH-32-F
OPW Engineered Systems LRH-32-F — Long-Range Spring Balanced Hose Loader
OPW Engineered Systems VL32F / VSL32F
OPW Engineered Systems VL32F / VSL32F — Vapor Bottom Unloading Arms (EMEA)
OPW Engineered Systems Vapor Recovery Arms
OPW Engineered Systems Vapor Recovery Arms — Piggyback and Dual/Siamese Designs
OPW Engineered Systems 1004D4
OPW Engineered Systems 1004D4 — API Bottom Loading Coupler (current generation)
OPW Engineered Systems CWH Series
OPW Engineered Systems CWH Series — Counterweighted Hose Loader
API Bottom Loading Arm HL32F / HSL32F
The API Bottom Loading Arm HL32F / HSL32F is designed to provide safe, efficient, and reliable bottom-loading operations for petroleum transport vehicles.
LYNX — API Bottom Loading Coupler
The OPW LYNX API Bottom Loading Coupler is engineered to deliver safe, reliable, and efficient bottom-loading operations for fuel terminals, bulk plants, and transport loading facilities.
M-32-F Frame Loader
The A Frame Loader is one of the most versatile loading arm configurations available for liquid and gas transfer operations.
G-32-F Unsupported Boom-Type Bottom Loader
OPW Bottom Loading Arm