18-3/4" API 6A Double Studded Adapter Flange for BOP Well Control - 15,000 PSI Working Pressure, NACE MR0175 Compliant

Price Negotiable

Price: USD1500-12000/set

MOQ: 1 set

Delivery Time: 7-30 days

Product Description

API 6A Double Studded Adapter Flange Overview

13-5/8 inch to 18-3/4 inch API 6A Double Studded Adapter Flange for wellhead equipment

Product Description

The Double Studded Adapter Flange (DSAF/DSA) features a through bore with ring grooves on both sides, drilled and tapped bolt hole sets, and tapped end studs with nuts on both sides. Unlike standard spacers, DSA flanges connect and adapt flanges with different nominal sizes and/or pressure ratings, making them essential for well control equipment integration.

Key Specifications

Working Pressure: 2,000 to 15,000 PSI
Working Temperature: -46°C to 121°C (Class LU)
Material: High-quality integral forged AISI 4130 alloy
Standards: API 6A and NACE MR0175 compliant
Available Sizes: 1-13/16" to 30"
Sour Service Options: SS316 or Inconel 625 ring groove inlays
Coating Options: Zinc, Cadmium, or Xylan coated studs and nuts

Technical Specifications Table

DSAF Description	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
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 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