API 6A Double Studded Adaptor Flange 11" x 10000 psi - 11" x 5000psi DSAF

The Double studded Adapter Flange / DSAF is connection wellhead part which is often used in the wellhead system for drilling and completion operation. The DSA is designed with the feature of double studded flange connections in different size or in different working pressure. JC petroleum equipment factory is able to manufacture all sizes and pressure ratings DSA used for oilfield applications as per the customers' requirement.

Technical information of the wellhead DSA

Product Name	Double Studded Adapter Flange (DSAF) or Double Studded Adapter (DSA)
Size	1 13/16" - 30"
Working Pressure:	2000PSI, 3000PSI, 5000PSI, 10000PSI, 15000PSI
Material:	AISI 4130(forged)/ SUS316/Inconel 625
Studs & Nuts Coating:	Zinc Coated, Cadmium Coated, Xylan Coated
Temp Class	L-U
Material Class	AA, BB, CC, DD, EE, FF
Working Medium	Petroleum, Natural Gas, Mud etc
Product Specification Level	PSL1, PSL2, PSL3, PSL3G, PSL4
Performance Requirement	PR1, PR2
Standard	API 6A

Specification of Flange Size 11" DSAF

1. Fabricate Double Studded Adafter Flange (API 6A)

Size : 11"-10000PSI x 11"- 5000PSI

Material : Class BB

Temp : U PSL-2 PR-1

C/W Studbolt And Hex Nut Type Tap End Stud

Stud Meet Standard B-7 Or L-7 Coated Cadmium Hex Nut Meet Standard 2H

Flange Thickness Min 154 MM Smooth Edge

2. Fabricate Double Studded Adafter Flange (Api 6A)

Size : 11-5000PSI x 11"-3000PSI

Material : Class BB

Temp : U PSL-2 PR-1

C/W Stud bolt And Hex Nut Type Tap End Stud Stud Meet Standard B-7

OR L-7 Coated Cadmium Hex Nut Meet Standard 2 H

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About JC Wellhead

Jingcheng Petroleum Machinery Manufacturing Co.,Ltd was established in 2008, we are specialized in design and manufacturing of the oilfield wellhead equipment. We - YCJC are a registered supplier for CNPC, GWDC, CCDC in China.

YCJC also engaged in abroad marketing, through these years of efforts, our wellhead equipment is exported to many countries, such as Thailand, UAE, Iran, Brazil, Argentina, USA etc. and enjoyed good reputation from the customers.

Product Scope

*BOP : Taper Rubber Annular BOP, Spherical rubber Annular BOP, Single Ram BOP, Double Ram BOP
* Wellhead Equipment: X-mas tree, casing head, casing hanger, tubing head, tubing hanger, casing spool, tubing spool, API Clamp, API Clamp Hub
* Wellhead valve: Gate valve, Choke valve, Check valve, Mud valve, and valve parts
* Wellhead adapter: Double studded adapter flange, spacer spool, riser spool, drilling spool, weldneck flange, union flange adapter
* Other wellhead equipment parts: Hammer union, Elbow, swivel joint, block cross, Block Tee,
* Oil well manifold: choke manifold, kill manifold, testing manifold

Welcome to contact us for more information!

ZZ TOP Oil Tools Co., Ltd located in XI’AN City in China, is in full service on design, production and supply of oilfield downhole tools and Wellhead Equipment from 2010.

In 2012, we jointed with Yancheng Jingcheng Petrolem and establish the brand JCWellhead, majored in design and manufacture of wellhead equipment, surface well testing equipment and well control equipment. YCJC is a registered supplier for CNPC, GWDC, CCDC in China to provide all kinds of oilfield wellhead equipment.

In 2016, we rebuilt the factory for downhole tools under the brand Techcore oil Tools, and expand the R&D capacity and production capacity of drill stem testing tools, coiled tubing tools, wireline tools etc.

Over more than 10 years, we become a fast growing organization, now our two sub-factories, equipped with CNC lathes, Miller, deep-hole drilling &boring machine and other advanced machines, have enough production capacity to meet the customers’ requirement. And we build a professional & strong team including technical, sales, logistic and leading management department, which make our company success of manufacturing and providing cost-effective downhole tools and create added value for customers around the world.

Our featured products includes following service:

*Downhole Oil Tools

- Drill stem testing tools (APR tools):

Full Bore Retrievable Packer, CHAMP Packer, HPHT Packer, RTTS Circulating Valve,

Rupture Disc Circulating Valve, RD Safety Circulating Valve, RTTS Safety Joint, OMNI Valve, Multi-cycle Circulating valve, Downhole Tester Valve, Select Tester Valve, LPR N-Tester Valve, Mechanical Tester Valve, Tubing Tester Valve, Super Safety Valve, BOP Safety Valve, Sleeve Type Drain Valve, Rupture Disc Sampler etc.

- Coiled Tubing Tools

Connector, Check Valve, Motor Head, Rotating Wash Tools, Surface Knuckle joint,

Slip Slide Type Clamp, Centralizer etc.

- Perforating tools

Perforator, Perforating Gun System, Perforating Shaped Charge Case.

- Wireline Tool String: Rope Socket- Pear Drop, Rope Socket-Disc&Spring Type, Rope Socket- Slip Type, Swivel Joint, Heavy Duty Swivel Joint, Stem-Standard, Stem-Tungsten,Stem-Lead Filled, Stem- Tungsten Filled, Stem-Roller, Accelerator, Link Jar, Tubular Jar, Spring Jar, Hydraulic Jar, Knuckle Jar, Breech Lock Quick Joint, BDK Heavy Duty Q.R.J, Wireline Knuckle Quick Joint, Crossover, Wireline Knuckle Joint, Heavy Duty Knuckle Joint, Spring Centralizer, Fluted Centralizer, Roller Centralizer

* Wellhead Equipment

- Wellhead valves:

Gate Valves, Plug Valves, Choke Valves, Check Valves, Mud Valves and various wellhead valve parts etc.

- Wellhead Manifold:

Choke and Kill Manifold, Drilling Floor Manifold, Fracturing manifold, Well Testing Manifold.

- Wellhead Equipment: Wellhead Christmas Tree / X-Tree, Casing Head, Casing Hanger, Tubing Head,Tubing Hanger, Casing Spool, Tubing Spool, Drilling Spool etc.

- Wellhead Adapter: Spacer Spool / Riser Spool ,Flange Adapter, Union Flange, Double Studded Adapter Flange, Welded Neck Flange, Blind Flange,Companion Flange, Instrument Flange,

Wellhead Clamp & Hub etc.

- Wellhead Integral Fittings: Hammer Union, Elbow, Swivel Joint, Block Cross, Block Tee, Straight Pipe, Pipe Loops etc.

- Well Control Equipment:

Annular BOP, RAM BOP, Sucker Rod BOP, BOP Stack, Wireline BOP etc

- Surface Well Testing Package:

Surface Test Tree (Flowhead), Surface Safety Valve(SSV), ESD System, Data Header, Choke Manifold, Oil Diverter manifolds, Gas Diverter Manifold

Now our tools are supplied to worldwide and enjoy the good reputation.We focus on providing the our clients with highly efficient & expertized service and approach each enquiry with meticulous attention to technical specifications and insist on “Traceability, Serialization” for each tools and related parts.