Double Studded Adapter (DSA) for Wellhead

• Standard: ANSI
• Type: Welding Flange
• Material: Carbon Steel
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Double Studded Adapter: API Dsa Flange
• Transport Package: Wooden Case
• Specification: API flange
• Trademark: C&N
• Origin: China
• HS Code: 7307910
• Production Capacity: 400ton/Month

Product Description

DOUBLE STUDDED ADAPTER FLANGE (DSA)
DSA provided by us are field proven flanges which strictly designed and manufactured according to API 6A and API Spec Q1. Our Double Studded Adapter Flange in various sizes and pressure ratings. Basic material of construction is alloy steel.
    

Double Studded Adapter (DSA)

 

Studded Adapter is an adaptor flange. It is used for switching API 6A, API 17D high pressure well-head and Christmas tree system to normal pressure piping system.

• Double and single types are available.
• Material can be customized.
• Size and pressure ratings can also be customized.
• The matching bolts and nuts of all materials are available.
• Weld overlay is available.

Design Standards:

ASME B16.5, API 6A, API 17D, MSS SP-44,
ASME VIII Div. 2.0, DNV OS F101,
ISO 15590-2, ASME B31.3, ASME B31.8

Materials:

• ASTM A105/A105N, ASTM A350 LF2 CL2, A350 LF6 CL2
• ASTM A694 F42, F46, F52, F60, F65, F70
• ASTM A182 F304/304L, F316/316L
• API 45K, 60K, 75K
• AISI 4130 (M), 4140, 4340, 8630(M)
• ASTM A182 F51/UNS S31803, F53/UNS S32750

Sizes, Classes:

Any size and pressure rating

Cladding Materials:

• Stainless Steel 304/304L and 316/316L, 317L, 347, 904L, 410
• Inconel® 600/625 Incoloy® 800/825
• Duplex Stainless Steel SS31803, 2205, SS32760, 2507, 2209
• Hastelloy® C276, C22
• Monel K-500, 400
• Other Special Alloy

 

Description (Indicating size & pressure rating)	Flange Thickness (T) mm
2 1/16" X 5M To 3 1/8" X 5M	70
2 1/16" X 10M To 4 1/16" X 10M	80
3 1/16" X 10M To 4 1/16" X 10M	130
3 1/16" X 10M To 4 1/16" X 5M	80
4 1/16" X 5M To 2 1/16" X 5M	75
4 1/16" X 5M To 3 1/8" X 5M	83
4 1/16" X 2M To 4 1/16" X 5M	80
7 1/16" X 10M To 13 5/8" X 10M	170
7 1/16" X 5M To 13 5/8" X 5M	150
7 1/16" X 2M To 8" X 600#	75
11" X 15M To 18 3/4" X 15M	256
11" X 5M To 13 5/8" X 5M	144
13 5/8" X 10M To 11" X 10M	267
13 5/8" X 3M To 16 3/4" X 2M	150
13 5/8" X 10M To 18 3/4" X 15M	256
13 5/8" X 5M To 18 3/4" X 15M	256
18 3/4" X 15M To 20 3/4" X 3M	270
20 3/4" X 3M To 18 3/4" X 15M	256
21 1/4" X 2M To 18 3/4" X 15M	256
21 1/4" X 2M To 18 3/4" X 15M	200
26 3/4" X 3M To 21 1/4" X 2M	200
30" X 300# To 21 1/4" X 2M	175
30" X 1M To 26 3/4" X 3M	200