Description

Model DD center latch elevator with square shoulder are suitable for handling drill collars, casings and tubing. The load ranges from 150 tons to 350 tons and the size ranges from 2 3/8 to 5 1/2. The products shall be designed and manufactured according to API Spec 8A/8C Specification for drilling and production hoisting equipment.

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These square shoulder elevators are lifting tools used for handling 90° taper shoulder drill pipe, drilling tools, etc. Center-locking elevators are available in a variety of sizes and load ratings. Square shoulder elevators are designed and manufactured in accordance with API Spec 8C-Drilling and Production Lifting Equipment Specifications. DD/TA type central door lock hoist has two capacities of 35 tons and 100 tons.

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Elevators Type DD Main Technical parameters

Model Size ( in) Rated capacity (short tons)  （DP） （casing） （Tubing） DD—100 2 3/8—5 1/2 4 1/2—5 1/2 2 3/8—4 1/2 150 DD—250 2 3/8—5 1/2 4 1/2—5 1/2 2 3/8—4 1/2 250 DD—350 2 3/8—5 1/2 4 1/2—5 1/2 2 3/8—4 1/2 350

DD/TA Type Center Latch Elevator

DD/TA type center latch elevator is also known as centre latch tubing elevator or square shoulder elevator. These square shoulder elevators are hoisting tools for handling 90°taper shoulder drill pipe, drilling tools and etc. Centre latch elevator is offered in various sizes and load ratings. The square shoulder elevators are designed and manufactured according to API Spec 8C-Specification for Drilling and Production Hoisting Equipment. DD/TA type center latch elevator is available in 35 ton and 100 ton capacities.

Technical Specifications: Pipe Drill Pipe Casing Model DD 65 DD 100 DD 125 DD 150 DD 100 DD 150     DD/TA type Center Latch Elevator Pipe O.D.(in) 2 3/8 2 3/8 2 3/8 2 3/8 2 7/8 2 7/8 2 7/8 2 7/8 3 1/2 3 1/2 3 1/2 4 4 4 1/2 4 1/2 4 1/2 4 1/2 5 5 5 - 5 1/2 5 1/2 10 3/4 Max Load KN 585 900 900 Tons 65 100 125 150 100 150 Pipe Tubing Drill Collar Model DD/TA 35 DD/TA 65 DD/TA 100 DD 125 DD 150 DD/TA 35 DD/TA 65 DD/TA 100 DD 150 1.05 1.315 1.66 1.66 1.9 1.9 1.9 2 3/8 2 3/8 2 3/8 2 3/8 2 7/8 2 7/8 2 7/8 2 7/8 2 7/8 2 7/8 2 7/8 3 1/2 3 1/2 3 1/2 3 1/8 3 1/8 3 1/2 5 5 5 5 1/4 9-11 1/4 Max Load KN 315 585 900 315 585 900 Tons 35 65 100 125 150 35 65 100 150

Jiangsu Kayson Petrol- Machinery Co., Ltd is a modern company engaged in developing, manufacturing and marketing of drilling tools and spare parts, including center latch elevator or square shoulder elevators. The products cover bushings, bottleneck elevator, manual tongs, spiders, slips, inserts and bit breakers, etc. And they have been sold to various domestic oilfields and exported to Europe, America, Middle East, Central Asia, North Africa and South-East Asia and other overseas regions.