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Tank Truck Spare Parts

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JDKJ Series of Gravity Coupler

Gravity Coupler optimizes the connection between 4" API adaptors and a 4" hose connection, ensuring safe, fast unloading. Has been redesigned with an interior 'lip' that makes hook-ups easier.

 

Ordering specifications

JDKJ-801: male cam and groove, 3.00", 76.2mm, 4.00 lbs, 1.81kg
JDKJ-802: male cam and groove, 4.00", 101.6mm, 5.00 lbs,2.27kg
JDKJ-803: male-NPT thread, 3.00", 76.2mm, 4.00 lbs, 1.81kg
JDKJ-804: male-BSP thread, 3.00", 76.2mm, 4.00 lbs, 1.81kg
JDKJ-805: male-NPT thread, 4.00", 101.6mm, 4.31 lbs, 1.96kg
JDKJ-806: male-BSP thread, 4.00", 101.6mm, 4.31 lbs, 1.96kg

 
Features & Benefits

'Lip' in the 12-o'clock position centers coupler with API adaptor for solid connection.
Easier for operator to handle.
Available in male adaptor and female coupler configurations.
Available with either KAMLOK coupler or NPT female threads at the hose connection.
Mates with standard 4" API RP-1004 tank truck adaptors.
Aluminum body with buna-N seals.
Available with viton seals.
Hose connection end angled at 15o downward for improved drainage.
Slotted cam arms for tamper-proof applications.
Rugged chrome plated chains and heavy duty lugs for durability.

 
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JDKJ Series of Gravity Coupler