Find Verified Api 16A Dsa Double Studded Adapter Flange Suppliers, Manufacturers and Wholesalers

API 16A High pressure DSA Double Studded Adapter Flange for Sale

Double Studded Adapter Flange (DSAF) or Double Studded Adapter (DSA) is a flange with a through bore and a ring groove on each side, drilled and tapped bolt hole sets on both sides and tapped end studs complete with nuts fitted on both sides. Unlike a spacer, the two sides are usually different in size and/or pressure rating. Double studded adapter flanges are commonly utilised to connect and adapt flanges with different nominal sizes, pressure ratings, and configurations.

All of our double studded adapter flanges(DSAF) are fully designed, manufactured, and tested according to API 6A and NACE MR0175 standards. The standard material is high quality integral forged AISI4130 alloy. Available in sizes from 1-13/16" to 30" and working pressure up to 15000PSI. For sour service, all ring grooves can be inlaid with stainless steel SS316 or inconel 625 for better protection. The studs and nuts are available with Zinc Coated, Cadmium Coated, or Xylan Coated. Other sizes, material, and pressure ratings are also available upon request. Aside from API6A double studded adapter flanges(DSAF), we also produce and supply other types API 6A flanges, such as threaded flanges, spacer spool flanges, blind flanges, companion flanges, target flanges, test flanges, and adapter spools for all client needs.


Double studded adapter flange is a combination of flanges of different sizes and pressure ratings.

Sanmon supplies ideal DSA for reliable and consistent performance on their production system. Our adapter flanges are in various sizes and pressure ratings as per customer's specified thickness, consistent with design considerations. It is the important device to connection the different flange for wellhead, so the material of the body and studs and nuts shall be conforms the related requirements. The size is in accordance with API 16A flange certification.

Manufactured according to ISO10423/API-6A,ASME B16.5 PSL-2,PR-1,DD, L-U

(1) OEM and custom-made service.

(2) Full machining, primer painting, and surface treatment.

(3) Full material testing process.

(4)Machinery properties and Chemical components testing after raw casting

(5) Hardness checking after heat treatment

(6) Dimensions testing after machining

(7) Quality and production control checks though all the following flow:

Drawings mould making raw casting sandblasting rough machining or finish machining surface treatment product check packing delivery strict

Attn: Melody Wang
Mobile: 0086-18307551623 (wechat/whatsapp)
Email: melody(at)lakepetro.com

API 16A High pressure DSA Double Studded Adapter Flange for Sale

Double studded adapter flange is a combination of flanges of different sizes and pressure ratings. DSA for reliable and consistent performance on their production system. Our
adapter flanges are in various sizes and pressure ratings as per customer's specified thickness, consistent with design considerations. It is the important device to connection the different flange for wellhead, so the material of the body and studs and nuts shall be conforms the related requirements. The size is in accordance with API 16A flange certification.

We supply various types of UPVC pipe fittings including welded fittings there are two kinds of welded and nonwelded socket welded and threaded fittings flange fittings

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