Valve Stems
7 Inch 70 MPa Full Bore Retrievable Circulating Valve for DST Tools with 60mm ID and 70MPa Working Pressure
Professional 7" 70 MPa retrievable circulating valve for drill stem testing and flow operations. Features full bore design for wireline equipment passage, 140 MPa internal yield strength, and H2S compliance per NACE MR 0175. Ideal for cased hole testing, well flow operations, and fracking applications with reliable locked-open/locked-closed functionality.
Place of Origin
CHINA
Size
7 - 7 5/8 inch
Packaging Details
Polly wood, suitable for sea and air shipment
Appliction
Drill stem test service
Connection
CAS box X pin
Standard
NACE MR0175
Product Description
Product Overview
The 7" 70 MPa Full Bore Retrievable Circulating Valve is engineered for drill stem testing and flow operations in oilfield applications. This advanced valve features full opening design and dual functionality as both circulating valve and bypass system.
Applications
- Cased Hole Drill Stem Testing Operations
- Well Flow Operations in Oilfield Applications
- Oil Well Fracking Operations
Key Features & Benefits
- Locked-open/locked-closed valve design for reliable operation
- Full bore opening allows tubing-type guns and wireline equipment passage
- Automatic lock closure during packer unsetting for fluid reversal
- Dual functionality as circulating valve and bypass system
Technical Specifications
| Specification | Value |
|---|---|
| Outside Diameter (OD) | 127 mm |
| Inside Diameter (ID) | 60 mm |
| Total Length (Compressed) | 927 mm / 995 mm |
| Stroke | 169.7 mm |
| Working Pressure | 70 MPa |
| Tensile Strength | 1007 kN |
| Torque Strength | 16 kN·m |
| Outer Yield Pressure Strength | 132 MPa |
| Internal Yield Pressure Strength | 140 MPa |
| Circulating Port Area | 1700 mm² |
| Service Temperature Range | -20°C to +204°C |
| End Connection Types | 2 7/8" EUE, BX4 5/32"-8UN, P 3 1/2" IF, BXP |
| Service Condition | H2S compliant per NACE MR 0175 (>175°F) |
Internal Seal Configuration
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