Loading and Unloading Arms – Long Range Top Loading Arm – Model 621 LR/B

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Loading Arm Model 621-LRB

The long-range top loading arm with supported boom provides the greatest reach out of all of the top loading arms in the EWFM range. It has a triangular support which is mounted onto a horizontal boom assembly. It has four swivel joints incorporated into the design which gives a wide range of operation on both vertical and horizontal planes. This allows for multiple truck or rail car compartments to be loaded without the need for them to be repositioned.

Loading Arm
Loading Arm

This loading arm is supplied with a with three Swivel Joints and one Swivel Elbow for vertical and horizontal positioning.  The Swivel elbow includes handles so that the operator can easily manoeuvre the loading arm into the tanker. The model 621-LR/B  can be manufactured in right or left hand configuration

For more designs, please head to our loading arm page where you can find a range of Loading and Unloading Arms.

Specifications

Available Sizes :

3″ / 4″ / 6″


Material :

Aluminium / Carbon Steel / Stainless Steel


Operating Pressure :

Up to 15 Bar G

Seal Material :

Nitrile / Special Viton®


Temperature :

-15°C / +65°C


Accessories :

Flute beak end
Micro switch to signal when valve opened or closed
NDT tests (X-ray)
Stand post and support units
Locking Device
Overfill Level Sensor

Operating Conditions :

Design Pressure : 10.0 Bar G
Test Pressure : 15.0 Bar G
Design Temperature : -15° C / +65°C
Seal Material : VITON
Nitrile (BUNA N)
Special VITON (*)
Flow Rate : 3”– 75 mc/h Max
4”– 125 mc/h Max
6”– 280 mc/h Max

Standard Dimensions

Dn 3″ 4″ 6″
A 2500 2500 2500
B 2100 2100 2100
C 1200/2000 1200/2000 1200/2000
D 296 353 525
E 289 328 462
F 439 510 707
G 174 201 278
H 1000/2000 1000/2000 1000/2000
Weight 160 215 300
Item Description Dwg /
Mod
1 Style 30 Base Swivel Joint 2174
2 Boom assembly
3 Style 50 Double Swivel Joints 2174
4 Loading Valve (stay/hold-open) 504
5 Primary Arm
6 Drop tube swivel 536
7 Drop tube with “T” deflector 2359-T
8 Spring Balancing Cylinder 05182
9 Pillow Block C-4354
10 Valve Remote Control 2356
11 3/8” NPT Vacuum Breaker 2336
12 Nipper Drip Bucket 2408

Options :
• Pos.7 with flute beak end (2359-BF)
• Pos.7 with flow deflector (2359-D)
• Microswitch to signal valve opened/closed
• Locking device for arm in parking position
• (*) Suitable for BIO-Products
• Overfill level sensor
• NDT test (RT-PT-MT) available on request

Notes :
• 621-LR/A Model is also available, with intermediate swivel Pos. 3 turned toward the top
• Earthing continuity along the arm, according to ATEX directive

 

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