Product Introduction
Our high pressure fitting lineup covers a full range of hydraulic connection components, from single-piece JIC crimp fittings and R2 hose ferrules to NPT nipples, TESCO hydraulic adapters, Autoclave Engineers ultra-high pressure needle/check valves, and Parker quick disconnects. Crafted from forged mild steel, corrosion-resistant alloy, and pressure-rated elastomer seals, each fitting undergoes hydrostatic pressure testing and thread verification to meet strict SAE and industrial standards. This versatile selection supports hydraulic hose assembly, rig hydraulic circuits, pressure test units, and industrial fluid control systems, making it the go-to sourcing solution for high-pressure hydraulic connections.
Functional Capabilities
- Leak-Free High Pressure Sealing: JIC/NPT fittings and adapters maintain tight seals under 3000-20000 PSI working pressure, preventing hydraulic fluid loss and pressure drops.
- Hose Assembly Compatibility: Single-piece crimp fittings and R2 hose ferrules enable secure, permanent hose connections for 1/4” and 3/8” hydraulic hoses.
- Fluid Flow Control: Needle valves, check valves, and ball valves regulate fluid flow, with ultra-high pressure Autoclave valves rated for 20000 PSI pressure testing.
- System Connection Flexibility: Tee fittings, cross adapters, reducing nipples/bushings, and elbow adapters support custom hydraulic circuit routing and size transitions.
- Quick Connection & Isolation: Parker quick disconnects enable fast hose changes, while pipe plugs and caps allow system isolation and port sealing.
- Pressure Test Compatibility: Autoclave Engineers valves and gauge port adapters are calibrated for Buxton S10G-MOD pressure test units, ensuring accurate test results.
Structural Design Features
- High Pressure Durability: Forged mild steel construction resists fatigue and cracking under continuous pressure cycling, with 20000 PSI ultra-high pressure components for critical test applications.
- Precision Thread Machining: SAE-standard JIC and NPT threads ensure perfect mating, eliminating cross-threading and sealing gaps.
- Vibration Resistance: Single-piece crimp fittings and swivel designs reduce stress from equipment vibration, preventing fitting failure in rig environments.
- Corrosion Protection: Protective surface coatings resist rust and degradation from hydraulic fluids, drilling mud, and harsh field conditions.
- OEM Compatibility: Exact dimensional matching for TESCO adapters, Parker quick disconnects, and Autoclave valves ensures seamless replacement.
Applicable Operating Conditions
These high pressure fittings are engineered for rigorous industrial and oilfield scenarios, including:
- Drilling rig hydraulic systems, BOP control circuits, and mud pump hydraulic assemblies (3000-5000 PSI)
- Buxton S10G-MOD pressure test units and industrial hydraulic test benches (20000 PSI ultra-high pressure)
- R2 hydraulic hose assemblies for 1/4” and 3/8” lines
- High-vibration, high-temperature oilfield and industrial environments
- Routine hydraulic maintenance, emergency repairs, and custom circuit fabrication
Maintenance & Service Recommendations
- Inspect fitting threads and sealing surfaces for damage, corrosion, or wear prior to installation; replace worn fittings to prevent leakage under pressure.
- Use approved thread sealant on NPT connections and torque fittings to SAE-standard specifications to avoid over-tightening and thread stripping.
- Check crimped hose fittings for cracks or separation every 3-6 months; re-crimp or replace fittings if signs of wear are present.
- Lubricate quick disconnect mating surfaces with compatible hydraulic fluid to ensure smooth operation and prevent seal damage.
- Test ultra-high pressure Autoclave valves annually for sealing integrity, replacing seals or valves as needed for pressure test accuracy.
- Store fittings in a dry, dust-free environment to protect threads and sealing surfaces from contamination prior to installation.
- We supply the following spare parts:
| 1 | HOSE CRIMP FITTING,SINGLE PIECE TYPE,5000 PSI,1/4”-JIC SWIVEL-STRAIGHT, 26712-04-04 (JIC Female Straight) | EA |
| 2 | HOSE CRIMP FITTING,SINGLE PIECE TYPE,5000 PSI,3/8”-JIC SWIVEL-STRAIGHT, 26712-06-06 (JIC Female Straight) | EA |
| 3 | HOSE CRIMP FITTING,SINGLE PIECE TYPE,5000 PSI,3/8”-JIC SWIVEL-ELBOW 90*, 26792-06-06 (JIC Female 90D Elbow) | EA |
| 4 | 00210-04 (Ferrules for R2 Hose -1/4″) | EA |
| 5 | 00210-06 (Ferrules for R2 Hose -3/8″) | EA |
| 6 | JIC Tee 80 | EA |
| 7 | JIC Tee 06 | EA |
| 8 | JIC Tee 04 | EA |
| 9 | JIC Tee 12 | EA |
| 10 | NIPPLE, REDUCER, 1/2″ x 1/4″, MALE | EA |
| 11 | 3/4″ x 3/4″hex nipple NPT high pressure | EA |
| 12 | 1/2″x 1/2″hex nipple NPT high pressure | EA |
| 13 | 3/8″x 3/8″hex nipple NPT high pressure | EA |
| 14 | 1/4″x 1/4″ hex nipple NPT high pressure | EA |
| 15 | PIPE PLUG 1/4″ | EA |
| 16 | PIPE PLUG 3/8″ | EA |
| 17 | PIPE PLUG 1/2″ | EA |
| 18 | PIPE PLUG 3/4″ | EA |
| 19 | PIPE PLUG 1″ | EA |
| 20 | COLLAR 1/4″ | EA |
| 21 | COLLAR 3/8″ | EA |
| 22 | COLLAR 1/2″ | EA |
| 23 | KING NIPPLE 1/2″ | EA |
| 24 | KING NIPPLE-3/4″ | EA |
| 25 | NIPPLE HEX,1/4 NPT , 5000 PSI, MILD STEEL | EA |
| 26 | Coupling, MS, 1/2″, 3000 PSI | EA |
| 27 | Coupling, MS, 3/8″, 3000 PSI | EA |
| 28 | Hydraulic Adaptor 1/4″ NPT male nipple MS wp 5000psi | EA |
| 29 | Fitting, Hyd, 90*Elb, #8MJIC x #8MORB, Part # 204, MFg. TESCO | EA |
| 30 | Fitting, Hyd, Str, #6MNPT x#6 MNTP, Part # 238, MFg. TESCO | EA |
| 31 | Fitting, Hyd,90*Elb, #4MNPT x #4FNPT, Part # 254, MFg. TESCO | EA |
| 32 | Fitting, Hyd, Str, #8MJIC x #8MNPT, Part # 283, MFg. TESCO | EA |
| 33 | Fitting, Hyd, 90*Elb, #8MJIC x 8FJIC, Part # 254, MFg. TESCO | EA |
| 34 | Fitting, Hyd, Str, #4MNPT x #6FJIC, Part # 214, MFg. TESCO | EA |
| 35 | Fitting, Hyd, Str, #4 FNPT x #4MIJC, Part # 10508, MFg. TESCO | EA |
| 36 | Fitting, Hyd, Cross, #8 FNTP x #8 FNTP x #8 FNTP x #8 FNTP, Part # 6304, MFg. TESCO | EA |
| 37 | Fitting, Hyd, Str, #16 MNPT x #8 FNPT, Part # 248, MFg. TESCO | EA |
| 38 | Fitting, Hyd, Str, #6MJIC x #6MNPT, Part # 292, MFg. TESCO | EA |
| 39 | FITTING HYD TEE #4MJIC X #4MJIC X #6MORB-BR, PART # 1390002, MFG. TESCO | EA |
| 40 | FITTING HYD CAP #8 JIC ,STEEL, PART # 407, MFG. TESCO | EA |
| 41 | FITTING HYD CAP #6 JIC ,STEEL, PART # 405, MFG. TESCO | EA |
| 42 | FITTING HYD CAP #4 FJIC ,STL, PART # 404, MFG. TESCO | EA |
| 43 | ball valve NPT 1 1/2″ | EA |
| 44 | ball valve NPT 3/4″ | EA |
| 45 | ball valve NPT 1/4″ | EA |
| 46 | 3/4″ x 3/4″hex nipple NPT high pressure | EA |
| 47 | 1/2″x 1/2″hex nipple NPT high pressure | EA |
| 48 | 3/8″x 3/8″hex nipple NPT high pressure | EA |
| 49 | 1/4″x 1/4″ hex nipple NPT high pressure | EA |
| 50 | reducing bush NPT 2″x 1″ | EA |
| 51 | reducing bush NPT 1″x 3/8″ | EA |
| 52 | reducing bush NPT 1″x 1/4″ | EA |
| 53 | reducing bush NPT 3/4″x 3/8″ | EA |
| 54 | reducing bush NPT 3/4″x 1/4″ | EA |
| 55 | reducing bush NPT 1/2″x 1/4″ | EA |
| 56 | reducing bush NPT 1 1/2″x 1 1/4″ | EA |
| 57 | reducing bush NPT 1 1/4″x 3/4″ | EA |
| 58 | MALE JIC x FEMALE JIS GAUGE PORT ADAPTER WITH 1/4″ NPT GAUGE PORT, #4 (1/4) | EA |
| 59 | MALE JIC x FEMALE JIS GAUGE PORT ADAPTER WITH 1/4″ NPT GAUGE PORT, #6 (3/8) | EA |
| 60 | MALE JIC x FEMALE JIS GAUGE PORT ADAPTER WITH 1/4″ NPT GAUGE PORT, #8 (1/2) | EA |
| 61 | MALE JIC x FEMALE JIS GAUGE PORT ADAPTER WITH 1/4″ NPT GAUGE PORT, #12 (3/4) | EA |
| 62 | HYDRAULIC QUICK DISCONNECT 1/4 NPT Male Nipple (Parker number SKU: PD343.) | EA |
| 63 | NEEDLE VALVE ,P/N: 20SM9071,9/16″ FEMALE X FEMALE,MAX WP: 20000 PSI,MAKE AUTOCLAVE ENGINEERS, (FOR BUXTON S10G-MOD PRESSURE TEST UNIT; BUXTON P/N: 1523-5001, C20100-070 ), | EA |
| 64 | CHECK VALVE ASSY ,P/N: 101A-7105,9/16″ FEMALE X FEMALE,MAX WP: 20000 PSI, MAKE AUTOCLAVE ENGINEERS, (FOR BUXTON S10G-MOD PRESSURE TEST UNIT; BUXTON P/N: 1670-0700, C20100-029), | EA |
Field Failure Repair Case Studies
Case 1: Hydraulic Hose Crimp Fitting Leakage
A 5000 PSI drilling rig hydraulic line experienced severe fluid leakage due to a faulty 3/8” JIC straight crimp fitting. Replacing the worn fitting with a new single-piece 26712-06-06 crimp fitting and matching ferrule eliminated leaks and restored system pressure.
Case 2: Pressure Test Unit Check Valve Failure
A Buxton S10G-MOD pressure test unit failed to hold pressure due to a worn Autoclave Engineers check valve. Installing a new 101A-7105 check valve restored 20000 PSI pressure retention for accurate testing.Case 3: TESCO Hydraulic Adapter Thread StrippingA #8 MJIC x #8 MNPT TESCO adapter (Part #283) suffered thread stripping, causing hydraulic pressure loss. Fitting a new OEM-matched adapter resolved the connection issue and stabilized fluid flow.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these fittings compatible with standard R2 hydraulic hoses? | Yes, the 00210-04 and 00210-06 ferrules are designed specifically for 1/4” and 3/8” R2 hydraulic hoses, paired with matching crimp fittings. |
| What pressure ratings do these high pressure fittings support? | Standard fittings are rated for 3000 PSI and 5000 PSI, while Autoclave Engineers needle/check valves are rated for an ultra-high 20000 PSI. |
| Do these fittings match TESCO and Autoclave OEM specifications? | Yes, all TESCO hydraulic adapters and Autoclave valves are direct OEM replacements, with exact part number and dimensional matching. |
Procurement Guidance & Call to Action
For hydraulic maintenance teams, drilling operations, and pressure test specialists, this catalog is your definitive sourcing solution for high-quality, pressure-rated hydraulic fittings and components. It provides full transparency on part descriptions, pressure ratings, thread specifications, OEM part numbers, and compatibility details, serving as both a formal procurement compliance standard and a practical field troubleshooting reference for hydraulic system repairs and assembly. Whether you need crimp fittings for hose fabrication, TESCO adapters for circuit modifications, Autoclave valves for ultra-high pressure testing, or NPT nipples/bushings for system connections, every component is engineered to withstand extreme pressure and harsh operating conditions. Submit your detailed inquiry with specific part numbers, required quantities, and pressure rating requirements to secure precision-matched fittings tailored to your hydraulic system needs. Our technical team provides full compatibility verification, pressure certification documentation, and installation guidance to streamline your procurement process and ensure safe, leak-free system operation.
