OPW Engineered Systems LYNX — API Bottom Loading Coupler (current standard / StandardLine default)
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. Designed to meet industry API standards, this advanced coupler helps minimize product loss, improve operator safety, and simplify maintenance while providing dependable performance in demanding loading applications.
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 LYNX — API Bottom Loading Coupler (current standard / StandardLine default)
Safety & Compliance Expert
HAVE A QUESTION?
Talk to a Safety Expert Now
OPW Engineered Systems LYNX — API Bottom Loading Coupler (current standard / StandardLine default)
Overview
The OPW LYNX API Bottom Loading Coupler is a next-generation dry-break loading solution designed for petroleum and liquid transfer operations. Built with a durable stainless-steel collar and hard-anodized aluminum body, the coupler provides long service life while maintaining secure connections during loading operations. Its innovative U-pin design allows quick field maintenance without special tools, helping reduce downtime and improve operational efficiency. The LYNX coupler features automatic latching and true interlocking mechanisms that help ensure secure engagement with API adapters, reducing the risk of spills and enhancing workplace safety. Designed for compatibility with standard 4-inch API bottom-loading adapters, it is suitable for a wide range of terminal and transport applications.
Key Features
- Compatible with industry-standard 4-inch API bottom-loading adapters
- Automatic latching mechanism for secure connections
- Four stainless-steel interlocking latches for enhanced safety
- Durable stainless-steel collar construction
- Hard-anodized aluminum body for extended service life
- Quick U-pin disassembly design for simplified maintenance
- Fast replacement of main seals without specialized tools
- Low product leakage during disconnect operations
- Ergonomic handle and carry loop for easier operation
- Available with short or long operating handles
- Multiple seal options available for different products and environments
- Designed to reduce maintenance time and operational downtime
- 5-year manufacturer warranty available on applicable models
- Supports high-pressure surge conditions while maintaining secure connections
LYNX API Bottom Loading Coupler Specifications
| Specification | Details |
|---|---|
| Product Type | API Bottom Loading Coupler |
| Design Standard | API RP 1004, AS5602 |
| Handle Options | Short 5.9 in. (150 mm) or Long 7.8 in. (200 mm) |
| Working Pressure | 80 psi (5.5 bar) |
| Test Pressure | 119 psi (8.2 bar) |
| Design Pressure | 363 psi (25 bar) |
| Maximum Surge Pressure | 493 psi (34 bar) |
| Mounting | 4-inch TTMA Flange |
| Weight | 19 lbs. (8.6 kg) |
| Dismantling Method | Single U-pin Removal |
| Seal Options | Fluorocarbon, Nitrile/Buna, Fluorosilicone, FFKM, Ultra Low-Temp FKM |
| Application | Petroleum and Liquid Transfer Loading Operations |
Materials of construction
| Component | Material |
|---|---|
| Coupler Body | Hard-Anodized Aluminum |
| Collar | Stainless Steel |
| Interlocking Latches | Stainless Steel |
| Operating Handle | Heavy-Duty Metal Construction |
| Main Seals | Fluorocarbon, Nitrile/Buna, Fluorosilicone, FFKM, or Ultra Low-Temp FKM |
| Fasteners & Internal Components | Fasteners & Internal Components |
Sourse: LYNX Coupler Data Sheet
Source: 1004D3-1005E3 Coupler Installation Operations Manual
LYNX API Bottom Loading Coupler Frequently Asked Questions
The coupler is used to create a secure connection between loading arms and tank truck adapters during bottom-loading operations for petroleum and liquid products.
Yes. The coupler is designed in accordance with API RP 1004 standards for bottom-loading and vapor recovery applications.
The coupler is available with a short 5.9-inch handle or a long 7.8-inch handle to accommodate operator preferences and loading requirements.
The U-pin design allows operators to quickly disassemble the coupler and replace seals without special tools, reducing service time and downtime.
Seal options include Fluorocarbon, Nitrile/Buna, Fluorosilicone, FFKM, and Ultra Low-Temperature FKM materials for various product compatibility requirements.
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