Product Introduction
This curated selection of well control components includes forged steel unions, stainless steel pipe nipples, threaded couplings, reducers, swivel connectors, and high-pressure needle valves, all built for extreme well control environments. Every part is manufactured from corrosion-resistant 316 stainless steel or forged carbon steel, with full traceability to OEM part numbers and strict pressure testing to meet API 5B and ASME B16.11 specifications. The assortment covers all common sizes (1/8” to 2”) for NPTF/NPTF threaded connections, supporting universal integration into standard well control piping and instrumentation systems.
Functional Performance Specifications
These well control spares deliver industry-leading performance: forged steel unions withstand up to6000 PSI working pressure with bubble-tight sealing; 316 stainless steel nipples resist corrosion from drilling fluids and brine solutions; precision threaded reducers ensure perfect alignment for mixed-size piping; swivel connectors eliminate thread binding during installation; and the CAD 827779 needle valve provides precise, repeatable flow control for pressure monitoring circuits. All components maintain leak-proof performance under cyclic pressure surges and extreme temperature fluctuations common in well control operations.
Structural & Material Features
- High-Pressure Rated Construction: Forged steel (Class 3000 Sch160) and 316 stainless steel builds, compliant with ASME B16.11 and API 5B standards for well control equipment
- Precision Thread Machining: NPTF/NPTF dry-seal threads eliminate leak paths, with ±0.001 inch dimensional tolerance for perfect fitment
- Corrosion & Abrasion Resistance: Passivated stainless steel and heat-treated forged steel resist rust, erosion, and chemical degradation from drilling fluids
- Modular Connection Design: Universal swivel and threaded adapters simplify field repairs, reducing installation time by up to 50%
- Pressure Tested Integrity: Each fitting is hydrostatically tested to 1.5x rated working pressure to ensure zero leakage in critical well control scenarios
Applicable Operating Conditions
These well control fittings and valves are built for harsh onshore and offshore drilling environments, optimized for choke & kill manifolds, wellhead pressure monitoring lines, kill fluid piping, and instrumentation circuits. They perform reliably in ambient temperatures ranging from -20°F to 160°F, high-corrosion brine conditions, H₂S-containing well fluids, and continuous high-pressure cycling. Components are rated for both static and dynamic pressure applications in all standard well control systems.
Maintenance & Service Recommendations
- Inspect all threaded fittings and needle valves monthly for signs of thread wear, corrosion, or leakage to prevent pressure loss
- Lubricate NPT threads with high-pressure thread compound prior to installation to ensure proper sealing and prevent galling
- Test needle valve operation quarterly to verify smooth flow control and replace worn stem seals at the first sign of leakage
- Replace damaged pipe nipples and unions immediately to maintain pressure integrity and avoid well control safety hazards
- Stock critical sizes of nipples, unions, and reducers preventatively to minimize downtime during emergency well control repairs
We supply the following spare parts:
| No | PR Description | Item Code | Item Description | Uom |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,FFF 1/4 X1.5FFF NPTF/NPTF | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,FFF 1/4 X2.5FFF NPTF/NPTF | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 1/4″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11 P/N # N270-025FS | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 3/8″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11 P/N # N270-038FS | EACH |
| 93990 | -MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 1/2″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11 P/N # N270-050FS | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 3/4″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11P/N # N270-075FS | EACH |
| 93990 | -MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 1″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11P/N # N270-100FS | EACH |
| 93990 | -MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 1-1/4″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11 P/ N # N270-125FS | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | 2″ FORGED STEEL UNION CL.3000 Sch160 ASME B16.11P/N # N270-200FS | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Parker 12-4 MHN-SS Stainless Steel Hex Long Nipple,316, MNPT, 3/4 in x 1/4 in Pipe Size – Pipe FittingP/N # 12-4 MHN | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Parker FF-SS-1/4 FF Pipe Nipple Hex 1/4 inch NPT – Stainless SteelP/N # FF-SS-1/4″ | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Parker FF-SS-1/4 FF Pipe Nipple Hex 1/4 inch NPT – Stainless Steel | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,FFF 3/8 X 2.0 FFF NPTF/NPTF | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,FFF 3/8 X 4.0 FFF NPTF/NPTF | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,1/2″ x 3.0 FFF NPTF/NPTF | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,3/4″ x 3.0 FFF NPTF/NPTF | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Long Pipe Nipple,1″ x 3.0 FFF NPTF/NPTF | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,1/8 GGP/N # 1/8GG | EACH |
| 93990 | -MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,1/4 GGP/N # 1/4GG | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,1/4 X 1/8 GGP/N # 1/4 x 1/8 GG | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,3/8 X 1/8 GGP/N # 3/8 x 1/8 GG | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,3/4 GGP/N # 3/4GG | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,1/2 GGP/N # 1/2GG | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe Coupling ,1 GGP/N # 1GG | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer1/4 x 1/8 PTRP/N # 0102-4-2 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 3/8 x 1/8 PTR | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 3/8 x 1/4 PTR | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 1/2 x 1/8 PTR | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 1/2 x 1/4 PTR | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 3/4 x 1/4 PTR | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 1 x 1/2 PTR NPTF/NPTF | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 3/4 x 1/2 PTR | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | pipe thread reducer 1 X 3/4 PTR NPTF/NPTF. | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Straight thread swivel connector ORFS SWIVEL /SAE-ORB 6 F650L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Straight thread swivel connector ORFS SWIVEL /SAE-ORB 6 F650LP/N # 4F650L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Straight thread swivel connector ORFS SWIVEL /SAE-ORB 8 F650LP/N # 8F650L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Straight thread swivel connector ORFS SWIVEL /SAE-ORB 10 F650LP/N # 10 F650L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Straight thread swivel connector ORFS SWIVEL /SAE-ORB 12 F650LP/N # 12 F650L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 4F6LP/N # 4F6L | EACH |
| 93990 | ADM-693-MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 4-4F6LP/N # 4-4F6L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 6F6LP/N # 6F6L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 6-6 F6LP/N # 6-6 F6L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 8F6LP/N # 8F6L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 8-8 F6LP/N # 8-8 F6L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Pipe thread swivel connector ORFS SWIVEL/NPTF 10 F6LP/N # 10 F6L | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Male pipe adapter NPSM SWIVEL/ MALE PIPE THREAD 0101-2-2P/N # 0101-2-2 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Male pipe adapter NPSM SWIVEL/ MALE PIPE THREAD 0101-4-4P/N # 0101-4-4 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Male pipe adapter NPSM SWIVEL/ MALE PIPE THREAD 0101-6-6P/N # 0101-6-6 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Male pipe adapter NPSM SWIVEL/ MALE PIPE THREAD 0101-8-6P/N # 0101-8-6 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Male pipe adapter NPSM SWIVEL/ MALE PIPE THREAD 0101-12-12P/N # 0101-12-12 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5062800.12.22.D0002 | Male pipe adapter NPSM SWIVEL/ MALE PIPE THREAD 0101-16-16P/N # 0101-16-16 | EACH |
| 93990 | MR-ME214 – HIGH PRESSURE NPT FITTINGS FOR WELL RELATED AND WELL CONTROL. | 5060600.10.11.02848 | NEEDLE VALVE, SS, 1/2″ TUBE X 1/2″ TUBE,6000 PSI WITH 1/2″ TUBE CONNECTIONS.MFG : CAD, P/N # 827779 |
Field Failure Repair Case Studies
Case 1: High-Pressure Union Leak in Choke Manifold
A rig’s well control choke manifold experienced a critical pressure leak from a worn 1/2” forged steel union (N270-050FS). Installing an OEM Class 3000 replacement union eliminated the leak, restored 6000 PSI pressure integrity, and allowed safe resumption of well control operations.
Case 2: Faulty Needle Valve Flow Control
The CAD 827779 1/2” needle valve in a pressure monitoring line failed to regulate flow accurately due to stem wear. Replacing the valve with a genuine OEM unit restored precise flow control, ensuring accurate well pressure readings for safe drilling operations.
Case 3: Damaged Pipe Nipple in Kill Line
A 3/8” long pipe nipple in a well kill line cracked under cyclic pressure, causing fluid loss. Swapping the damaged nipple with a 316 stainless steel replacement (FFF 3/8 X 2.0) restored the line’s structural integrity and leak-proof performance.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these fittings compatible with all standard well control NPT connections? | Yes, these parts feature NPTF/NPTF dry-seal threads that fit all standard 1/8” to 2” well control piping and instrumentation setups. |
| What pressure rating do the ADM-693-MR-ME214 fittings support? | All forged steel fittings are Class 3000 Sch160 rated, with a maximum working pressure of 6000 PSI for well control applications. |
| Is the CAD 827779 needle valve suitable for H₂S well environments? | Yes, the 316 stainless steel construction resists H₂S corrosion, making it ideal for sour gas well control systems. |
Procurement Guidance
This well control spare parts list serves as both a formal procurement benchmark and a technical troubleshooting reference, designed to minimize costly safety downtime, reduce long-term maintenance expenses, and uphold the pressure integrity and safety of your well control systems. Each part is a verified OEM-grade replacement that eliminates the risks of substandard aftermarket components, ensures compliance with API and ASME well control standards, and delivers consistent performance under extreme drilling conditions.
