C&N is a professional manufacturer of steel forged flange in China,
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
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