Double Studded Adapter for Wellhead

• Manufacturing Process: Forging
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Stainless Steel
• Machine Type: Double Studded Adapter
• Application1: Energy & Mining/Petroleum Machinery Parts
• Model NO.: Double Studded Adapter
• Transport Package: Wooden Box
• Specification: CUSTOM MADE
• Trademark: JX PETRO
• Origin: Dongying
• HS Code: 84314310
• Production Capacity: 2000PCS/Month

Product Description

Product Description

Double Studded Adapter (DSA) is a flange with a through bore and a ring groove on each side, bolt hole sets on each face and installed with tapped end studs and nuts. It is different from spacer flange; the two sides are in different in size and/or pressure rating. Double studded adapter flanges are commonly used to connect different nominal sizes, pressure ratings, and configurations.
Features:
Designed and manufactured according to API 6A latest edition. NACE MR0175, ISO 9001, ISO14001, ANSI
All sizes and material available, including alloy steel, carbon steel and stainless steel. 
100% test for each piece including Hardness test, MT, NT, hydrostatic test.  
4. Application: Wellhead, Manifold, Shipbuilding, Pipe Projects etc.

Specifications:

DSAF	Flange Thickness(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" X10M	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 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
21-3/4" X 2M To 18-3/4" X 15M	256
21-3/4" X 2M To 18-3/4" X 15M	200
26-3/4" X 3M To 21-3/4" X 2M	200
30" X 3M To 21-3/4" X 2M	175
30" X 1M To 26-3/4" X 3M	200

Other sizes and pressure ratings are available upon request.

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FAQ

1) How can I place order?

A: You can contact us by email about your order details, or place order on line.

2) How can I pay you?

A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are using.

3) What's the order procedure?

A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

4)How do you take care when your clients received defective products?

A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.

5)How do you check all the goods in the production line?

A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.