Description
API DDZ Center Latch Elevator
API 8C Drill Pipe DDZ Center Latch Elevator for Oilfield Drilling Operations
SD Hydril supplies API 8C DDZ Center Latch Elevators designed for safe and efficient handling of drill pipes, drill collars, and drilling tools during oil and gas drilling operations.
The DDZ elevator is a center latch elevator with an 18° taper shoulder design, widely used for lifting and lowering drill pipes in drilling rigs and workover operations.
Manufactured from high-strength alloy steel with advanced forging and heat treatment technology, SD Hydril DDZ elevators provide excellent load capacity, durability, and operational safety in demanding oilfield environments.
Our DDZ elevators are available in capacities from 100 tons to 750 tons and are suitable for drill pipe sizes from 2-3/8″ to 6-5/8″. 西龙机械
Product Overview
A DDZ Center Latch Elevator is an important rig handling tool used to connect the traveling block and lift tubular goods during drilling operations.
The elevator securely grips the tool joint of drill pipe and allows operators to:
- Run drill pipe into the well
- Pull drill pipe out of the well
- Handle drilling tools safely
- Improve tripping operation efficiency
DDZ elevators are widely installed on:
- Land drilling rigs
- Offshore drilling rigs
- Workover rigs
- Oilfield service equipment
Product Features
API 8C Certified Design
SD Hydril DDZ elevators are designed and manufactured according to:
API Spec 8C – Specification for Drilling and Production Hoisting Equipment
Ensuring:
- Reliable lifting performance
- High safety factor
- International drilling standard compliance
High Strength Alloy Steel Construction
Critical components are manufactured from premium alloy steel through:
- Forging process
- Heat treatment
- Precision machining
Advantages:
- High load-bearing capacity
- Excellent impact resistance
- Long service life
- Suitable for harsh drilling environments
18° Taper Shoulder Design
The 18° taper shoulder provides:
- Secure gripping of drill pipe tool joints
- Even load distribution
- Reduced stress concentration
- Improved lifting safety
Center Latch Structure
The center latch design provides:
- Quick opening and closing
- Easy operation on drilling floor
- Reliable locking performance
- Improved working efficiency
Strict Quality Inspection
Each DDZ elevator is tested according to strict quality procedures:
- 100% NDT inspection
- Load capacity test
- Hydraulic test
- Dimension inspection
- Third-party inspection available 西龙机械
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | DDZ Center Latch Elevator |
| Standard | API 8C |
| Type | Center Latch Elevator |
| Shoulder Type | 18° Taper Shoulder |
| Application | Drill Pipe & Drilling Tools Handling |
| Capacity Range | 100 ton – 750 ton |
| Drill Pipe Size | 2-3/8″ – 6-5/8″ |
| Material | Alloy Steel |
| Manufacturing Process | Forging + Heat Treatment + Machining |
| Inspection | NDT / Load Test / Hydraulic Test |
DDZ Elevator Models
| Model | Size Range | Rated Capacity |
|---|---|---|
| DDZ-100 | 2-3/8″ – 5″ | 100 Ton |
| DDZ-150 | 2-3/8″ – 5-1/2″ | 150 Ton |
| DDZ-250 | 2-3/8″ – 5-1/2″ | 250 Ton |
| DDZ-350 | 3-1/2″ – 5-7/8″ | 350 Ton |
| DDZ-350TD | 3-1/2″ – 5-7/8″ | 350 Ton (Top Drive) |
| DDZ-500 | 3-1/2″ – 6-5/8″ | 500 Ton |
| DDZ-500TD | 3-1/2″ – 6-5/8″ | 500 Ton (Top Drive) |
| DDZ-750 | 4″ – 6-5/8″ | 750 Ton |
Main Components
A DDZ center latch elevator consists of:
- Left Body
- Right Body
- Center Latch
- Latch Lock
- Hinge Pin
- Handle
- Safety Lock Mechanism
- Springs
The robust structure ensures reliable operation during repeated lifting cycles.
Applications
Oil & Gas Drilling
Used for:
- Drill pipe handling
- Drill string tripping
- Drilling tool lifting
Workover Operations
Suitable for:
- Well servicing
- Completion operations
- Maintenance activities
Offshore Drilling
Designed for:
- Jack-up rigs
- Semi-submersible rigs
- Offshore drilling platforms
Compatible Equipment
SD Hydril DDZ elevators are suitable for:
- Conventional drilling rigs
- Top drive drilling systems
- Land rigs
- Offshore rigs
- Workover rigs
Why Choose SD Hydril DDZ Elevator?
Professional Oilfield Equipment Supplier
SD Hydril provides:
- Drill Pipe Elevators
- Casing Elevators
- Tubing Elevators
- Rotary Slips
- BOP Components
- Mud Pump Parts
OEM Replacement Capability
We provide:
- OEM equivalent designs
- Customized specifications
- Replacement parts
- Bulk supply solutions
Global Export Experience
Our oilfield products are supplied worldwide:
- USA
- Canada
- Middle East
- South America
- Africa
- Central Asia
FAQ
Q: What is a DDZ elevator used for?
DDZ elevators are used for lifting and handling drill pipes and drilling tools during oil and gas drilling operations.
Q: What is the difference between DDZ and CDZ elevators?
DDZ elevators use a center latch design with an 18° taper shoulder, while CDZ elevators have a different latch structure and application range.
Q: Are DDZ elevators API certified?
Yes. SD Hydril DDZ elevators are manufactured according to API 8C requirements.
Q: Can you supply elevators for top drive rigs?
Yes. DDZ-350TD and DDZ-500TD models are available for top drive drilling systems.
Request A Quote
Need reliable API 8C DDZ Center Latch Elevators for drilling operations?
Contact SD Hydril for:
- API certified drilling elevators
- OEM replacement solutions
- Customized designs
- Competitive pricing
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