Product Introduction
This full-line pipes and fittings assortment includes seamless tubing, gate valves, needle valves, nipples, elbows, tees, unions, plugs, bushings, flanges, seal pots, ball valves, check valves, and couplings, available in a full range of high-performance materials: 316/316L SS, SS 321, SS 347, UNS S32750 (Super Duplex), Incoloy 825, LTCS, galvanized carbon steel, 2.25Cr-1Mo, 9Cr-1Mo, and bronze B62. Every item is labeled with unique identification codes, full material specifications, and pressure ratings, with 100% dimensional inspection and hydrostatic testing to meet industry quality benchmarks. The portfolio balances standard industrial components and NACE-certified critical parts, catering to both general process piping and harsh sour gas well applications.
Functional Performance Specifications
These pipes and fittings deliver consistent high-performance operation: threaded components feature precision NPT/NPTF dry-seal threads for zero-leak connections under pressure cycling; seamless tubing (SMLS) maintains wall thickness uniformity to withstand up to 3000 Lbs (20.7 MPa) working pressure; NACE-compliant materials resist H₂S-induced sulfide stress cracking (SSC) and chloride corrosion; valve components provide positive shutoff and flow control with low operating torque; and forged fittings offer superior structural strength compared to cast alternatives. All components maintain performance stability across long-term service, with a design service life of up to 15 years in moderate conditions and 8+ years in harsh sour service environments.
Structural & Material Features
- Precision Forged & Seamless Construction: Fittings are forged per ASME B16.11 for dense grain structure and high pressure resistance; tubing is seamless (SMLS) to eliminate weak weld zones and ensure uniform wall thickness
- NACE-Certified Corrosion Resistance: All sour service components comply with NACE MR0175, engineered to prevent sulfide stress cracking and corrosion in H₂S-containing well fluids
- Thread Precision & Sealing: NPT/NPTF threads are machined to tight tolerances, ensuring perfect fitment and eliminating leak paths without excessive thread compound
- Material Grade Versatility: Full range of alloy options to match specific operating conditions, from standard galvanized carbon steel to super duplex and high-nickel alloys for extreme environments
- Compliance with Industry Standards: Meets MSS SP-95 for nipples/couplings, API 5L for seamless pipe, and ASME B16.5 for flanged components, ensuring universal compatibility and regulatory approval
Applicable Operating Conditions
These pipes and fittings are built for demanding oilfield, industrial, and offshore environments, optimized for well control systems, chemical injection lines, instrumentation tubing, process fluid piping, seal pot assemblies, and drain lines. They perform reliably in ambient temperatures ranging from -20°F to 250°F, handling crude oil, drilling mud, brine, sour gas, and mild industrial chemicals. Components are rated for both static and dynamic pressure cycling, with NACE-grade parts suitable for HPHT (high-pressure high-temperature) and sour gas wells, and standard parts ideal for general industrial fluid transfer.
Maintenance & Service Recommendations
- Inspect all threaded connections quarterly for signs of leakage, thread galling, or corrosion, especially in NACE sour service applications
- Apply high-pressure thread lubricant/sealant compatible with the material grade during installation to prevent galling and ensure tight sealing
- Pressure test all piping assemblies post-installation at 1.5x the rated working pressure to verify leak-free integrity
- Replace worn valve seats, seals, and damaged nipples immediately to avoid pressure loss and system downtime
- Store unused fittings in a dry, corrosion-resistant environment to preserve thread integrity and material performance
We supply the following spare parts:
| Ident Code | Commodity Description | Required Qty | ||
| 1 | 648D | SMLS TUBING – 1/2″OD x 0.065″WT – 316/316L NACE | FOOT | |
| 2 | 648D1 | SMLS TUBING – 1/2″OD x 0.065″WT – SS 321 | FOOT | |
| 3 | 648D3 | SMLS TUBING – 1/2″OD x 0.065″WT – SS 347 | FOOT | |
| 4 | 648D5 | SMLS TUBING – 1/2″OD x 0.065″WT – UNS S32750 NACE | FOOT | |
| 5 | 846B | SMLS TUBING – 1/4″OD x 0.035″WT – 316L | FOOT | |
| 6 | 846D | SMLS TUBING – 1/2″OD x 0.049″WT – 316L | FOOT | |
| 7 | 876D | SMLS TUBING – 1/2″OD x 0.065″WT – Incoloy 825 NACE | FOOT | |
| 8 | 653D | GATE VALVE SCWD – 1/2″NPTF-1500 Lbs – 316/316L NACE | EA | |
| 9 | 653D3 | GATE VALVE SCWD – 1/2″NPTF-1500 Lbs – SS 347 | EA | |
| 10 | 654D | NEEDLE VALVE SCWD – 1/2″NPTF-3000 Series – 316/316L NACE | EA | |
| 11 | 761D | NIPPLE TBE SCH 160 – 1/2″NPTM x 4″LONG – 316/316L NACE | EA | |
| 12 | 771D | NIPPLE TBE SCH 160 – 1/2″NPTM x 4″LONG – LTCS NACE | EA | |
| 13 | 771D3 | NIPPLE TBE SCH 160 – 1/2″NPTM x 4″LONG – SS 347 | EA | |
| 14 | 781D | NIPPLE TBE SCH 160 – 1/2″NPTM x 4″LONG – 2.25 Cr – 1 Mo NACE | EA | |
| 15 | 781D5 | NIPPLE TBE SCH 160 – 1/2″NPTM x 4″LONG – UNS S32750 NACE | EA | |
| 16 | 791D | NIPPLE TBE SCH 160 – 1/2″NPTM x 4″LONG – 9 Cr – 1 Mo | EA | |
| 17 | 623D | NIPPLE TBE SCH XXS – 1/2″NPTM x 3″LONG – 316/316L NACE | EA | |
| 18 | 636E | SCWD BUSHING – 3/4″NPTM x 1/2″NPTF – 316/316L NACE | EA | |
| 19 | 702F | SCWD ELBOW 45 DEG – 1″NPTF-3000 Lbs – GALV. CS | EA | |
| 20 | 639D | SCWD ELBOW 90 DEG – 1/2″NPTF-3000 Lbs – GALV. CS | EA | |
| 21 | 639F | SCWD ELBOW 90 DEG – 1″NPTF-3000 Lbs – GALV. CS | EA | |
| 22 | 638D | SCWD ELBOW 90 DEG 3000# – 1/2″NPTF – 316/316L NACE | EA | |
| 23 | 638D3 | SCWD ELBOW 90 DEG 3000# – 1/2″NPTF – SS 347 | EA | |
| 24 | 638D7 | SCWD ELBOW 90 DEG 3000# – 1/2″NPTF – LTCS NACE | EA | |
| 25 | 701D | SCWD PLUG ROUND HEAD – 1/2″NPTM – GALV. CS | EA | |
| 26 | 701F | SCWD PLUG ROUND HEAD – 1″NPTM – GALV. CS | EA | |
| 27 | 763D | SCWD PLUG ROUND HEAD – 1/2″NPTM – 316/316L NACE | EA | |
| 28 | 773D | SCWD PLUG ROUND HEAD – 1/2″NPTM – LTCS NACE | EA | |
| 29 | 773D3 | SCWD PLUG ROUND HEAD – 1/2″NPTM – SS 347 | EA | |
| 30 | 783D | SCWD PLUG ROUND HEAD – 1/2″NPTM – 2.25 Cr – 1 Mo NACE | EA | |
| 31 | 783D5 | SCWD PLUG ROUND HEAD – 1/2″NPTM – UNS S32750 NACE | EA | |
| 32 | 793D | SCWD PLUG ROUND HEAD – 1/2″NPTM – 9 Cr – 1 Mo | EA | |
| 33 | 640D | SCWD TEE EQUAL FORGED – 1/2″NPTF x 3000# – GALV. CS | EA | |
| 34 | 640F | SCWD TEE EQUAL FORGED – 1″NPTF x 3000# – GALV. CS | EA | |
| 35 | 762D | SCWD TEE EQUAL FORGED – 1/2″NPTF-3000 Series – 316/316L NACE | EA | |
| 36 | 772D | SCWD TEE EQUAL FORGED – 1/2″NPTF-3000 Series – LTCS NACE | EA | |
| 37 | 772D3 | SCWD TEE EQUAL FORGED – 1/2″NPTF-3000 Series – SS 347 | EA | |
| 38 | 782D | SCWD TEE EQUAL FORGED – 1/2″NPTF-3000 Series – 2.25 Cr – 1 Mo NACE | EA | |
| 39 | 782D5 | SCWD TEE EQUAL FORGED – 1/2″NPTF-3000 Series – UNS S32750 NACE | EA | |
| 40 | 792D | SCWD TEE EQUAL FORGED – 1/2″NPTF-3000 Series – 9 Cr – 1 Mo | EA | |
| 41 | 642D | SCWD UNION – 1/2″NPTF-3000 Lbs – GALV. CS | EA | |
| 42 | 642F | SCWD UNION – 1″NPTF-3000 Lbs – GALV. CS | EA | |
| 43 | 643D | SCWD UNION – 1/2″NPTF-3000 Series – 316/316L NACE | EA | |
| 44 | 643D3 | SCWD UNION – 1/2″NPTF-3000 Series – SS 347 | EA | |
| 45 | 633X | SEAL POT TYPE-A – 2″ S-160 x 1/2″NPTF – 316/316L NACE | EA | |
| 46 | 634X | SEAL POT TYPE-B – 4″ S-160 x 1/2″NPTF – 316/316L NACE | EA | |
| 47 | 634X3 | SEAL POT TYPE-B – 4″ S-160 x 1/2″NPTF – SS 347 | EA | |
| 48 | 629D | SMLS PIPE SCH 80 – 1/2″N.B. SCH 80 – GALV. CS | FOOT | |
| 49 | 629F | SMLS PIPE SCH 80 – 1″N.B. SCH 80 – GALV. CS | FOOT | |
| 50 | 855E7 | SPECIAL FLANGE – 3/4″ 1500# x 1/2″NPTF – 2.25 Cr – 1 Mo NACE | EA | |
| 51 | 855E8 | SPECIAL FLANGE – 3/4″ 1500# x 1/2″NPTF – 9 Cr – 1 Mo | EA | |
| 52 | 855E9 | SPECIAL FLANGE – 3/4″ 1500# x 1/2″NPTF – 316/316L NACE | EA | |
| 53 | 860D7 | SPECIAL FLANGE – 1/2″ 600# x 1/2″NPTF – 2.25 Cr – 1 Mo NACE | EA | |
| 54 | 860D8 | SPECIAL FLANGE – 1/2″ 600# x 1/2″NPTF – 9 Cr – 1 Mo | EA | |
| 55 | 879F1 | SPECIAL FLANGE – 1″ 1500# x 1/2″ NPTF – 2.25 Cr – 1 Mo NACE | EA | |
| 56 | 879F2 | SPECIAL FLANGE – 1″ 1500# x 1/2″ NPTF – LTCS NACE | EA | |
| 57 | 879F3 | SPECIAL FLANGE – 1″ 1500# x 1/2″ NPTF – 9 Cr – 1 Mo | EA | |
| 58 | 880F1 | SPECIAL FLANGE – 1″ 600# x 1/2″ NPTF – 9 Cr – 1 Mo | EA | |
| 59 | 698F | NIPPLE, SWAGE TBE (MSS SP-95) – 1″x 1/2″NPTM – GALV. CS | EA | |
| 60 | 699D | FULL COUPLING TBE (MSS SP-95) – 1/2″NPTF – GALV. CS | EA | |
| 61 | 699F | FULL COUPLING TBE (MSS SP-95) – 1″NPTF – GALV. CS | EA | |
| 62 | 621D | NIPPLE TBE SCH XXS-1/2″NPTM x 4″LONG-316/316L NACE | EA | |
| 63 | 623D3 | NIPPLE TBE SCH XXS-1/2″NPTM x 3″LONG-SS 347 | EA | |
| 64 | 623D5 | NIPPLE TBE SCH XXS-1/2″NPTM x 3″LONG-UNSS32750NACE | EA | |
| 65 | 623D7 | NIPPLE TBE SCH XXS-1/2″NPTM x 3″LONG-LTCS NACE | EA | |
| 66 | 623D8 | NIPPLE TBE SCH XXS-1/2″NPTM x 3″LONG-2.25Cr1MoNACE | EA | |
| 67 | 623D9 | NIPPLE TBE SCH XXS-1/2″NPTM x 3″LONG-9Cr-1MoNACE | EA | |
| 68 | 632X | DRAIN POT TYPE-C SMLS PIPE-2″ S-160 x 1/2″NPTF-316/316L NACE | EA | |
| 69 | 638D5 | SCWD ELBOW 90 DEG 3000#-1/2″NPTF-UNSS32750NACE | EA | |
| 70 | 638D8 | SCWD ELBOW 90 DEG 3000#-1/2″NPTF-2.25Cr1MoNACE | EA | |
| 71 | 638D9 | SCWD ELBOW 90 DEG 3000#-1/2″NPTF-9Cr-1MoNACE | EA | |
| 72 | 641D | SCWD PLUG ROUND HEAD-1/2″NPTM-316/316L NACE | EA | |
| 73 | 655D | SCWD BALL VALVE-1/2″NPTF 600 psi-BRONZE B62 600 psi | EA | |
| 74 | 655F | SCWD BALL VALVE-1″NPTF 600 psi-BRONZE B62 | EA | |
| 75 | 657D | SCWD NON RETURN VALVE-1/2″NPTM #150-BRONZE B62 [NPT-F BODY + 2 Hex Nipple] | EA | |
| 76 | 657F | SCWD NON RETURN VALVE-1″NPTM-BRONZE B62 [NPT-F BODY + 2 Hex Nipple] | EA | |
| 77 | 658D | CSO BALL VALVE-1/2″NPTF 600 psi – BRONZE B62 | EA | |
| 78 | 658F | CSO BALL VALVE-1″NPTF 600 psi-BRONZE B62 | EA | |
| 79 | 762D3 | SCWD TEE EQUAL FORGED-1/2″NPTF-3000 Series-SS 347 | EA | |
| 80 | 846F | SMLS TUBING-1″OD x 0.065″WT-316L | FOOT | |
| 81 | 879F | SPECIAL FLANGE-1″ 1500# x 1/2″NPTF-316/316L NACE | EA | |
| 82 | 886D | SPECIAL FLANGE-1/2″ 600# x 1/2″NPTF-316/316L NACE | EA | |
| 83 | 887E | SPECIAL FLANGE-3/4″1500# x1/2″NPTF-316/316L NACE | EA | |
| 84 | 929E | REDUCING ADAPTER-3/4″ NPTM x 1/2″ NPTM-316/316L NACE | EA | |
| 85 | 931E | FULL COUPLING-3/4″ SW-316/316L NACE | EA | |
| 86 | 932D7 | SCWD ADAPTER-1/2″NPTMx3/4″NPTF-LTCS NACE | EA | |
| 87 | 953D | CHECK VALVE-1/2″NPTM x 1/2″NPTM-316/316L NACE [NPT-F BODY + 2 Hex Nipple] |
Field Failure Repair Case Studies
Case 1: Sour Service Nipple Leakage
A 1/2″ NPT nipple in a chemical injection line failed due to sulfide stress cracking in a sour gas well. Replacing the standard carbon steel nipple with a NACE-compliant 316L SCH 160 nipple (771D) eliminated cracking and restored leak-free service, complying with NACE safety standards.
Case 2: High Pressure Elbow Thread Failure
A galvanized carbon steel 90° elbow (639D) experienced thread failure under 3000# pressure cycling, causing fluid leakage. Installing a forged LTCS NACE elbow (638D7) restored structural integrity and pressure containment, preventing unplanned rig downtime.
Case 3: Instrumentation Tubing Pressure Loss
Thin-walled instrumentation tubing lost pressure due to wall erosion in a well monitoring line. Upgrading to 316L SMLS tubing (648D) with 0.065″ wall thickness resolved erosion issues and maintained consistent pressure readings for critical instrumentation.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these fittings NACE-compliant for sour gas wells? | Yes, designated parts (marked NACE) meet NACE MR0175 standards, engineered to resist sulfide stress cracking in H₂S-containing environments. |
| What pressure ratings are available for these fittings? | This lineup includes 3000 Lbs, 1500 Lbs, and 600 Lbs pressure-rated components, matching ASME B16.11 and MSS SP-95 specifications. |
| Do these parts fit standard 1/2″ and 1″ NPT/NPTF connections? | Absolutely, all threaded components are precision-machined for 1/2″ and 1″ NPT/NPTF threads, ensuring universal fitment in standard piping systems. |
Procurement Guidance & Closing Value Statement
This high-pressure pipes and fittings list serves as both a formal procurement benchmark and a technical troubleshooting reference, designed to minimize costly system downtime, reduce long-term maintenance expenses, and uphold the pressure integrity and safety of your fluid handling systems. Each item is a verified, specification-matched component that eliminates the risks of substandard materials, ensures compliance with NACE and ASME industry standards, and delivers consistent performance under the most extreme operating conditions.
Whether you need to source seamless tubing for instrumentation, NACE-compliant fittings for sour gas wells, high-pressure valves for well control systems, or standard fittings for general process piping, this catalog provides the full material range, pressure ratings, and quantities your operation demands. Secure your supply of these precision-engineered pipes and fittings today to protect your fluid system investment, maintain uninterrupted drilling and production workflows, and keep your operations fully compliant with global oil and gas safety and quality protocols.
