API Bottom Loading Coupler Click API Coupler
- Home
- Loading Arms & Couplings
- Excel Loading Arm Systems
- API Bottom Loading Coupler Click API Coupler

The API Bottom Loading Coupler is a precision-engineered dry coupling solution designed for safe and leak-free liquid transfer in terminal loading operations. It is commonly used in top and bottom loading arm systems where secure connection and operator safety are critical.

SafeRack supplies API Bottom Loading Coupler, providing expert support to help you select the right configuration, materials, and sealing options for your application. Our team assists with specifications, compatibility, and system integration to ensure safe, efficient, and reliable fluid transfer operations. Get technical guidance, lead times, and pricing support for API Bottom Loading Coupler, all in one place.
API Bottom Loading Coupler Click API Coupler
Overview
The API Bottom Loading Coupler is designed to provide a fast, secure, and leak-free connection during loading operations. It supports dry coupling applications where product containment and operator safety are essential.
Its precision-machined construction ensures consistent performance under pressure, while the stainless-steel collar design enhances strength and resistance to harsh operating conditions. The coupler is engineered for easy handling, quick engagement, and minimal maintenance requirements.
Key Features
- Dry coupling system for safe loading operations
- Precision-machined construction for high durability
- Fast and reliable automatic latching mechanism
- Stainless-steel collar for rugged industrial use
- Leak-free connection for improved operator safety
- Multiple seal options available
- Quick disassembly for easy maintenance
- Fast in-field seal replacement capability
- Four interlocking latch system for secure connection
- Designed for petroleum and chemical terminals
- Built to meet API RP 1004 standards
- Suitable for high-flow loading applications
API Bottom Loading Coupler Click API Coupler Specifications
| Specification | Detail |
|---|---|
| Model | CLICK API Coupler |
| Type | API Bottom Loading Coupler |
| Design Pressure | 150 PSI |
| Max Working Pressure | 80 PSI |
| Max Coupling Pressure | 100 PSI |
| Max Flow Rate | 660 GPM (150 m³/h / 2500 LPM) |
| Rear Flange | 4” TTMA |
| Material | Aluminum Alloy Body |
| Collar Material | Stainless Steel |
| Seal Options | Viton / Buna |
| Standard | API RP 1004 |
Materials of construction
| Component | Material |
|---|---|
| Main Body | Aluminum Alloy |
| Collar | Stainless Steel |
| Wear Parts | Hard Anodized Coating |
| Seals | Viton / Buna Rubber |
\Source: API Bottom Loading
Click API Coupler Frequently Asked Questions
The API Bottom Loading Coupler is used to create a secure and leak-free connection between loading arms and tank trucks during bottom loading operations. It ensures safe product transfer in petroleum and chemical terminals.
This coupler features a precision-machined design with a stainless-steel collar and automatic latching system. It is built for high durability, faster connection, and improved safety in demanding industrial environments.
Yes, it is designed for quick disassembly and easy maintenance. Seals can be replaced quickly in the field without extensive downtime, helping improve operational efficiency.
It is commonly used in petroleum, petrochemical, and chemical industries where safe, dry, and controlled liquid transfer is required during loading operations.
The coupler is designed for a design pressure of 150 PSI, with a maximum working pressure of 80 PSI and a flow rate of up to 660 GPM, making it suitable for high-volume loading applications.
Related Products
Excel Loading Systems TLBS-375BH — Bullhorn Style Top Loading Arm
Excel Loading Systems TLBS-375BH — Bullhorn Style Top Loading Arm (Supported Boom, Railcar)
Excel Loading Systems TLBS-374 — Supported Boom Top Loading Arm
Excel Loading Systems TLBS-374 — Supported Boom Top Loading Arm
Excel Loading Systems TLB-374 — Unsupported Boom Top Loading Arm
Excel Loading Systems TLB-374 — Unsupported Boom Top Loading Arm (Extended Reach)
Excel Loading Systems TL-54 — Fixed Reach Top Loading Arm
Excel Loading Systems TL-54 — Fixed Reach Top Loading Arm
Excel Loading Systems Snap-On API Coupler — Series 513 Semi-Automatic Coupler
Excel Loading Systems Snap-On API Coupler — Series 513 Semi-Automatic Coupler
Excel Loading Systems Quick Adjust Spring Cylinder
Excel Loading Systems Quick Adjust Spring Cylinder — Compression Spring Balance Assembly
Excel Loading Systems Click API Coupler — CLICK Semi-Automatic API Coupler
Excel Loading Systems Click API Coupler — CLICK Semi-Automatic API Coupler
Excel Loading Systems XL1.0DSA — Dual Seal Swivel Joint (hazardous service)
The Excel Loading Systems XL1.0DSA Dual Seal Swivel Joint provides hazardous-service leak protection with dual seals and integrated leak detection.
Counterweight Bottom Loading Arms (CW-30)
Excel Loading Systems CW-30 — Counterweight Bottom Loading Arm
Excel Loading Systems XL2.0HP — High-Pressure Dual-Race Swivel Joint
The Excel Loading Systems XL2.0HP High-Pressure Dual-Race Swivel Joint is engineered for demanding high-pressure fluid transfer applications, delivering exceptional durability, smooth operation, and reliable sealing performance.
Excel Loading Systems BT-377 — Bottom Transfer Loading Arm
Excel Loading Systems BT-377 — Bottom Transfer Loading Arm (Low-Profile, No Overhead Support Required)
Excel Loading Systems BL-50 — Bottom Transfer Arm
Excel Loading Systems BL-50 — Bottom Transfer Arm (Horizontal Storage, Similar to BL-54)
Excel Loading Systems XL-1.0 — Standard Swivel Joint
Excel Loading Systems XL-1.0 — Standard Swivel Joint (split flange, domestic)
Excel Loading Systems TL-544 — Variable Reach Top Loading Arm
Excel Loading Systems TL-544 — Variable Reach Top Loading Arm (Scissor / Pantograph)
Excel Loading Systems BL-54 — Bottom Loader Arm
Excel Loading Systems BL-54 — Bottom Loader Arm (Extended Reach, Horizontal Storage)
Excel Loading Systems AF-54 — A-Frame Bottom Loading Arm
Excel Loading Systems AF-54 — A-Frame Bottom Loading Arm
Bottom Transfer Hose Loader (BT-44)
Excel Loading Systems BT-44 — Bottom Transfer Hose Loader (Low-Profile, Economical)
Excel Loading Arm Systems & Components
SafeRack is North America’s largest distributor of Excel loading arm systems & components








