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Yancheng Qihang Petroleum Machinery Co., Ltd
Yancheng Qihang Petroleum Machinery Co., Ltd

China API 6A DSA or DSAF-Double Studded Adapter Flange manufacturer


Gold Index: 29119

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API 6A DSA or DSAF-Double Studded Adapter Flange 

Payment Terms: T/T,L/C 
Place of Origin: Jiangsu, China (Mainland) 
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Product Detail

Model No.: DSAF01
Production Capacity: 2000 Pcs/Month
Delivery Date: 25 Days
Working Pressure: 2000PSI, 3000PSI, 5000PSI, ...
Material Class: AA, BB, CC, DD, EE, FF
Temp Class: L-U
Performance Requirement: PR1, PR2
Service Conditions: Standard, Sour Services
Means of Transport: Ocean
Packing: Plywood
Size: 1-13/16" - 30"
Material: AISI 4130 (Forged), Stainle...
End Connection: API 6A Flange
Product Specification Level: PSL1, PSL2, PSL3, PSL3G
Standard Carried: API Spec 6A, NACE-MR0175

API 6A DSA Double Studded Adapter Flanges (DSAF)
Size: 1-13/16" - 30"
WP: 2000PSI - 15000PSI
Material: AISI4130 Integral Forged
L-U, EE, PSL3, PR1


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 Qihang's 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. 

Detailed Specifications:

Product Name: Double Studded Adapter Flange (DSAF) or Double Studded Adapter (DSA)

Size: 1-13/16" - 30"

Working Pressure: 2000PSI, 3000PSI, 5000PSI, 10000PSI, 15000PSI

Material: AISI 4130(forged)/ SUS316/Inconel 625

Studs & Nuts Coating: Zinc Coated, Cadmium Coated, Xylan Coated

Temp Class: L-U

Material Class: AA, BB, CC, DD, EE, FF

Working Medium: Petroleum, Natural Gas, Mud etc

Product Specification Level: PSL1, PSL2, PSL3, PSL3G

Performance Requirement: PR1, PR2

Standards: API 6A, NACE MR0175, ISO 9001, ISO14001, ANSI

Traceability: Qihang's double studded adapter flanges are supplied with full traceability documentation for each component.

Service Conditions: General or Sour Services

Application: Wellhead, Manifold, Shipbuilding, Pipe Projects etc

Origin: China

Specifications of API 6A Double Studded Adapter Flange (DSAF)

Studs and Nuts Xylan Coated API-6A Double Studded Adapter Flanges(DSAF) are ready for delivery.

All of Qihang's raw materials and products are subject to strict and comprehensive quality check and testing.

Qihang supplies Top Quality API 6A Double Studded Adapter Flanges (DSAF) at Competitive Prices

Contact us Today for your specific requirements.

 Mr. Bruce

Tel: 0086-139-62481639
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Company Info

Yancheng Qihang Petroleum Machinery Co., Ltd [China (Mainland)]

Business Type:Manufacturer, Trading Company, Service
City: Yancheng
Province/State: Jiangsu
Country/Region: China (Mainland)

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