1004D API Bottom Loading Coupler
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      The Safer, Cleaner, Faster Way to Load Your Transport The 1004D4 coupler is the next generation in API Bottom Loading Couplers from OPW. By combining ease of maintenance with a unique spring loaded sleeve design, the 1004D4 provides the ultimate coupler experience.
  • Features/Benefits
  • Design Parameters
  • Spare parts
  • Materials
  • Accessories/Rated Products
  • Downloads

Features and Benefits

•5-Cam Design ensures easy alignment; tight connection to truck-adaptor and resists side forces during loading
•Fully Interlocked all 5 cams serve as interlock ensuring that the 1004D4 cannot be opened unless it is properly connected to an API adaptor
•Superior Shift Sealing simple and reliable smart-seal design consisting of dual high performance O-rings
•High Performance Seals special Fluorocarbon seal compound provides compatibility across most products including gasoline, diesel, biodiesel and ethanol*
•Spring Loaded Sleeve unique design automatically “jumps” onto truck API adaptors
•New Stainless Steel “ergo” Handle design provides easy, smooth operation
•Easy Maintenance all pins and small threads have been eliminated to provide quick, easy access to all critical components
•Easily Replaced nose seal, without having to remove coupler from the rack
•Completely Rebuilt in minutes
•No Special Tools required

Fluorocarbon seal installed as standard, other seals available upon request.

Design Parameters

Max Design Pressure:
125 psi (g), 8.6 bar (g)
Max Allowable Working Pressure:
75 psi (g), 5 bar (g)
Max Flow Rate:
600GPM, 135 M3/H
Temperature Range
Buna N 1500
-29°C - 100° C (-20°F - 212°F )
  Fluorocarbon
-29°C - 204° C (-20°F - 400°F)
  EPT E 692
-46°C - 107° C (-50°F - 225°F )
  Kalrez®
-18°C - 260° C (0°F - 500°F)
Weight:
18.5 lbs (8.39 kg)
Pressure Drop (At Max Flow Rate) 2-5 psi (g), .24 bar (g)

*Unit tested to 21 bar (300psi) in closed position to withstand excessive thermal expansion pressures. Reference API standard RP-1004 for additional information.

Spare parts

The 1004D4SRK Seal Replacement Kit includes every required part to replace all seals in the 1004D4 API Bottom Loading Coupler
Part Number
Description
1004D4SRK-0401
Buna-N Seal Replacement Kit
1004D4SRK-0402
Fluorocarbon Seal Replacement Kit
1004D4SRK-0404
EPT Seal Replacement Kit
1004D4SRK-0409
Kalrez® Seal Replacement Kit

Materials

Body
Aluminum
Sleeve
Aluminum
Poppet
Aluminum
Shaft
Stainless Steel
Cam Arms
Stainless Steel
Interlocks
Stainless Steel
Drive Links
Stainless Steel
Handle
Stainless Steel
Cylinder
Aluminum

Accessories/Rated Products

Article Number
Description
1004DRN-0400
Drain Adaptor e/w relief valve
1005PA-AL40
Parking Adaptor
11240
TTMA Sight Glass
429FTS-AL40
Check Valve
1004DRN Drain Adaptor
•Allows operator to easily, safely drain loading arm
•Fits any API Bottom Loading Coupler

1005PA Parking Adaptor
•Use to neatly store & secure loading arms while not in use
•Can be provided with standpost and/or proximity switch