Adapter and Spools
Crossover Connectors
Valves
Wellhead & Tree Equipment
Hydro has the capability, expertise, and certifications to manufacture API-defined plug connectors and gaskets.
Hydro manufactures API 6A studded or flanged tees and crosses with different material specifications and grades for all API 6A sizes. We can also manufacture special studded blocks to customer specifications with multiple ports. Our cladding shop can clad completely well-wetted surfaces with CRA to meet material class HH.
We stock different sizes and ratings of API 6A studded tees and cross with CRA inland API 20E BSL2 boltings. All materials used are in full compliance with API 6A PSL3 and NACE MR 0175 requirements and temperature class between K-X (-60 °C to +180 °C). Materials suitable for sulfide stress cracking (ISO 15156-2 SSC Region 3) can also be provided within a short period of time.
API 6A studded or flanged tees and crosses with different material specifications and grades for all specified API 6A sizes.
We can also manufacture specialised studded blocks to customer specifications. They can have multiple ports and our cladding can cover completely well-wetted surfaces with CRA to meet material class HH.
Our facility can deliver all sizes and ratings, with material suitable for the standard of H2S sour services, as per NACE MR 0175, for the following:
- API 6A, 6B, and 6BX flanges (blind, test, instrument, cushion, threaded)
- ASME B16.5 pipe flanges and flanged fittings – NPS 1/2 through NPS 24
- ASME B16.47 large-diameter steel flanges NPS 26 through NPS 60
- MSS SP-44 steel pipeline flanges.
We supply carbon steel, low-alloy steel, stainless steel, duplex, or super duplex flanges. We also stock flanges and SST ring gaskets.
API has withdrawn threaded connectors from the licensing programme since November 1, 2020.
This is covered under loose connectors.
Top connectors, also known as tree caps, provide access to tree bores and can be supplied with lift threads specified by the customer. These are only meant for lifting purposes and not for pressure containment.
Standard top connector sizes and relevant thread sizes conforming to ASME B1.5:
| 2-9/16” | 15,000 PSI | 20,000 PSI | ||
| 5-3/4 4THD Acme-2G | 6-1/4 4THD Acme-2G | |||
| 3-1/8” | 5,000 PSI | |||
| 5-3/4 4THD Acme-2G | ||||
| 3-1/16” | 10,000 PSI | 15,000 PSI | ||
| 5-3/4 4THD Acme-2G | 7-1/2 4THD Acme-2G | |||
| 4-1/16” | 5,000 PSI | 10,000 PSI | 15,000 PSI | |
| 8-3/8 4THD Acme-2G | 8-3/8 4THD Acme-2G | 9-1/2 4THD Acme-2G | ||
| 5-1/8” | 5,000 PSI | 10,000 PSI | 15,000 PSI | |
| 9-4THD Acme-2G | 9-4THD Acme-2G | 12-1/4 4THD Acme-2G | ||
| 6-3/8” | 5,000 PSI | 10,000 PSI | ||
| 9-1/2 4THD Acme-2G | 11-1/2 4THD Acme-2G |
Top connectors manufactured to previous standards have a maximum bore that is not large enough to pass API 6A Standard drift size and they do not necessarily pass a back-pressure valve.
We can also supply top connectors with appropriate API EUE or LTC internal lift threads. Lifting threads are not required for HH tree caps. API monogram is not applicable for the threads that do not appear in the latest API 6A specification.
We manufacture integral or welded construction adapters, spacer spools, and riser spools with different materials and grades.
Construction can be flanged, studded, or threaded to meet customer-specific service requirements.
In addition, we also manufacture single, double-studded, or single multi-stage top connectors.
This is a pressure-containing piece of equipment that has end connections of different sizes and pressure ratings. It's used to connect other pieces of equipment of different sizes and pressure ratings. 
We manufacture integral or welded construction adapters, spacer spools, and riser spools with different materials and grades. Construction can be flanged, studded, or threaded to meet customer-specific service requirements.
CRA or SST (for API 16A only) on ring grooves can be made as required. Longer spools will be provided with lifting pad eyes and will be proof load tested. All spools will be pressure tested and certified.
We repair and re-manufacture all sizes of adapters and spools. We can also modify existing adapters to customer-specific needs and certify them to API 6AR or API 16AR standards with related RSLs. We have an extensive inventory of SS316 ring gaskets and API 20E BSL2 boltings. We can also provide engineering expertise and technical support for the products and services we offer.
Hydro Middle East – DWS Series API 6A gate valves can be widely used in choke and kill manifolds, well testing manifolds, wellheads, tree assemblies, and other flow control equipment. Our valves are engineered to perform in heavily exposed hydrocarbon and abrasive environments through a wide range of temperatures.
To learn more about Hydro Middle East’s gate valve products and services, visit API 6A Gate Valve (DWS).
Our casing head housing is a straight bore design with load shoulders integrated to accommodate multiple types of hangers, such as slip-on automatic or manually energised and Mandrel-type hangers.
In addition to that, we have an option of the locking mechanisms with external lock screws for positioning the wear bushing and hangers in place based on client operation requirements.
Our casing heads are time-saving NWS technology that avoid any hot work in the field as well as any advance preparation required prior to installation in the field.
Casing Head Spool (Intermediate Spool)
The casing head spool (intermediate spool) has options to accommodate Mandrel-type or slip-type hangers. We are also offering spools with various secondary sealing technology and smart completion systems. Based on the requirement, our spools can be modified to multiple completions as well as single completion systems.
Tubing Head Spool
We offer a wide range of tubing spool assemblies with elastomers or MTM technology as secondary seal assemblies. For the hanger locking technology, we provide both an external locking system with lock screws and an internal locking systems that automatically energises during the installation.
Tubing Hangers
We offer tubing hangers manufactured with MTM seals, both body and neck, with a secondary elastomer sealing technology. Our hangers can have either the standard industrial casing threads or premium threads as hanging and lifting threads with options of manually energised or automatically energised body seals.
Tubing Head Adapter
Tubing head adapter functions as a cross-over between the wellhead and production tree, with the capability of isolating the production tubing from Annulus with control line exit blocks to connect the control line used for SSSV operations or chemical injection purposes.
Our production tree assemblies are equipped with hydraulic or pneumatic-actuated SSVs and manual-actuated valves. Both composite type and block type assemblies with master valves can have the capability of wireline cutting based on the client’s requirements
Information coming soon.
Information coming soon.
Information coming soon.
