| After-sales Service: | No Overseas Service Provided |
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| Warranty: | 1 Year |
| Certification: | ISO 9001:2000, API 6A |
| Power Source: | Not Applicable |
| Operation Pressure: | Not Applicable |
| Applicable Medium: | Mud, Water, Crude Oil |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier A Christmas Tree Cap or Tree Cap, also known as Bottom Hole Test Adapter - BHTA, is an important component of Wellhead Assembly and Christmas Tree. As its name suggests, tree cap is often installed on the upper section of the Swab Valve which is right on top of the Christmas Tree. You will constantly find standard API-UPTBG(EUE) lift thread in the body of tree cap. The top plug of the tree cap has a thread for mounting a pressure gauge to measure well pressure. The Tree Cap provides access to Wellhead Assembly and Christmas Tree for service and monitoring. It provides quick access to the tubing bore for bottom hole testing, installing down-hole equipment, swabbing, and other services.
All of our Wellhead Christmas Tree Caps are fully designed, manufactured, and tested in accordance with API Spec 6A & NACE MR0175 standards. Available in nominal bore sizes from 2-1/16" to 7-1/16" and working pressure ranging from 2000PSI to 20000PSI. The standard material for our tree caps is high quality integral forged AISI 4130 alloy steel, stainless steel and other material and sizes are also available upon request.
1. Christmas tree can be designed into general or integral structure as required
2. Christmas tree can be completed with pneumatic / hydraulic safety valve
3. It can be classified into two kinds of single-wing and dual-wing
4. Safe and reliable running, simple and convenient operating and maintenance
Product Name: Wellhead Christmas Tree Cap (Bottom Hole Test Adapter - BHTA)
Bore Size: 2-1/16", 2-9/16", 3-1/16", 3-1/8", 4-1/16", 5-1/8", 7-1/16" or customized
Lifting Thread: 2-3/8" EUE, 2-7/8" EUE, 3-1/2" EUE, 4-1/2" EUE etc
Connection: API 6A Flange
Standards: API Spec 6A, NACE MR0175, ISO 9001, ISO14001 etc
Working Pressure: 2000 PSI to 20000 PSI
Material Class: AA, BB, CC DD, EE, FF
Material: AISI 4130 (Integral Forged), Stainless Steel
Temp Class: K-U
Performance Requirement: PR1, PR2
Product Specification Level: PSL1, PSL2, PSL3, PSL3G, PSL4
Application: Wellhead Assembly and Christmas Tree
Paint Color: Red, Blue, or Customized
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Product Name
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Christmas Tree Cap
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Working Pressure
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2000 ~20000psi
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Nominal Bore
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2-1/16 ~ 7-1/16
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Working Medium
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oil,natural gas,mud and gas containing H2S,CO2
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Working Temperature
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-46°C~121°C(Class LU)
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Material Class
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AA,BB,CC,DD,EE,FF,HH
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Specification level
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PSL1-4
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Suppliers with verified business licenses
Audited Supplier 
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