API Threaded Adapters & Subs | Pin Down Box Up

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Product Overview

DEENPU API threaded adapters and subs provide a crossover between API line pipe / rotary shouldered threads and quick union connections. The standard configuration has an API pin thread down and a quick union box up, suited to lower working pressure crossover points on pump-in, circulating and test installations.

Any combination of end connections is available on request — thread by thread, thread by union, or flange by union — machined from solid bar stock and pressure tested before shipment.

Key Features

• API pin thread down, quick union box up (standard)
• Any combination of threads, unions or flanges on request
• Machined from solid forged bar
• Hydrostatically tested before shipment
• Sizes 1″ – 4″, matching API line pipe threads

Technical Specifications

Dimensions & Technical Data

API threaded adapter and sub dimensions

Quality & Testing

Every DEENPU API Threaded Adapters & Subs is manufactured under our API-compliant quality system: raw material traceability, 100% dimensional inspection, hydrostatic pressure testing and hardness verification before packing. Material certificates, inspection reports and API documentation are provided with shipment on request.

Applications

• Crossover from wellhead / tree threads to union flowlines
• Pump-in and circulating tee assemblies
• Well test string transitions

Frequently Asked Questions

Q: Can I order a custom thread combination?

A: Yes — any combination of API thread, union figure and flange end can be manufactured; send us the two connection details.

Q: What pressure can these adapters handle?

A: Rating follows the lower-rated end connection — typically up to 5000 PSI with line pipe threads, higher with union or flange ends.

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