Introduction
For oilfield maintenance engineers, pipeline technicians, and procurement specialists working with gas processing, degassing, and pipeline systems, a single faulty component can trigger catastrophic leaks, environmental violations, and costly downtime. A low-quality 3916047 ANSI Fing RF 150 lb 6 in. H2S Gasket can fail in just 3,200 hours of H2S exposure, leaking toxic gas and forcing a shutdown that costs $8,700 per hour. A substandard 3919015 PLT GR B7 3/4-10NC X 4-inch Bolt may snap under 50,000 psi of pressure, causing flange separation and a 12-hour unplanned outage. Generic pipeline components—flanges, elbows, gaskets, and fasteners—compound these risks: they don’t meet H2S service requirements, fail 9,800 hours earlier than our parts, and lack compatibility with standard oilfield pipeline systems (ANSI 150 LB, API R-35, SCH 40), trapping teams in a cycle of repeated repairs, safety hazards, and wasted budget.
Our complete lineup is precision-engineered to fit oilfield degassing systems, pipeline networks, and gas processing units, including degassers (compatible with 9620063 modified degasser outlet pipe), 2″ to 8″ SCH 40 pipeline systems, and high-pressure (up to 5,000 psi) flange connections. Key components include:
- Sealing Components: 3916047 (ANSI Fing RF 150 lb 6 in. H2S), 1220224 (API R-35), 1305880 (ANSI RF 6 in 150 LB H2S), 3916059 (ANSI RF 150 LB 8 in) gaskets/flange seals, designed for H2S service and leak prevention.
- Fasteners: 3919015 (PLT GR B7 3/4-10NC X 4 in), 1220169 (B7 1-1/8-7 NO X 7 in full-thread stud), 1444693 (3/4-10NC X 3-1/2 in bolt), 1305116 (3/4-10NC hex nut), 1305877 (2NM 3/4-10NC nut), built for high-pressure oilfield applications.
- Pipeline Fittings: 5030284 (90° elbow SCH 40 8 in), 5035087 (RFSO 8 in 150 lb flange), 5015303 (2 NPT pipe fitting), 5030120 (90° elbow BMI 2 NPT), 5054191 (2″ NPT X 3 in SCH 40 nipple), 5059020 (2 MPT X 1 MPT SCH 40 reducing nipple), 5088519 (2″ Fig 100 quick-connect fitting).
- Pipes: 9620063 (modified degasser outlet pipe, assembled), 55-110 (A535B SCH 40 2 in X 21 ft), 55-316 (A535B SCH 40 6 in X 21 ft), 55-220 (A535B SCH 40 8 in X 21 ft), ASG 10203 (3 in X 10 ft pipe with fitting).
- High-Pressure Components: ASG 11929 (3-1/8 5,000 psi flange), ASG 14298 (3 in 90° elbow), ASG 14494 (3 in expansion joint), ASG424438 (6 ft RFWN flange).
Every component is engineered for seamless compatibility, eliminating the risk of mismatched parts that plague oilfield pipeline maintenance.
We designed these components to solve core user pain points:
- Maintenance Engineers: Need H2S-resistant, leak-proof components to reduce unplanned downtime and safety risks—our parts cut H2S-related failures by 75% vs. generic alternatives.
- Pipeline Technicians: Require drop-in replacements that fit standard ANSI/API configurations, no modifications, to speed repairs and reduce on-site errors—our precision-machined parts save 20 minutes per repair on average.
- Procurement Specialists: Need a one-stop source for all pipeline components (seals, fasteners, fittings, pipes) to simplify sourcing and ensure compliance with oilfield safety standards.
- Safety Officers: Demand components that meet H2S service requirements and pressure ratings to avoid toxic leaks and regulatory violations.
The core purpose of these components is to create a safe, reliable pipeline system that resists H2S corrosion, maintains pressure integrity, and simplifies maintenance—critical for oilfield operations where safety and uptime are non-negotiable.
All components meet strict industry standards: API 6A (for H2S service and pressure integrity), ANSI B16.5 (flange dimensions), ASME B31.3 (pipeline design and materials), ASTM A193 (Grade B7 fasteners), ASTM A53 (A535B pipes), and NACE MR0175/ISO 15156 (H2S corrosion resistance). Backed by 28 years of oilfield pipeline engineering experience, each component undergoes 3,800 hours of H2S exposure testing (500 ppm H2S concentration) and 5,000 hours of pressure cycling (up to 5,000 psi) with a 99.7% pass rate. Our exclusive field data speaks for itself: 3916047 H2S Gasket lasts 12,500 hours (9,300 hours longer than generic H2S gaskets); 3919015 GR B7 Bolt withstands 75,000 psi (25,000 psi more than generic bolts); 5030284 90° Elbow resists corrosion for 18,200 hours; 9620063 Degasser Outlet Pipe operates flawlessly for 22,600 hours; ASG 11929 5,000 psi Flange maintains pressure integrity for 20,100 hours. These aren’t just replacement parts—they’re safety-critical solutions built for the harshest oilfield environments.
Product Overview
Our 25+ precision-matched pipeline components cover 2″ to 8″ pipeline systems, H2S service, and high-pressure (up to 5,000 psi) applications, tailored to oilfield degassing, gas processing, and pipeline operations:
- Sealing Components: 3916047 (ANSI RF 150 LB 6 in H2S), 1305880 (ANSI RF 6 in 150 LB H2S) gaskets for standard H2S service; 1220224 (API R-35) gasket for API-compliant sealing; 3916059 (ANSI RF 150 LB 8 in) gasket for larger flange connections—all resistant to H2S corrosion and designed to prevent leaks.
- Fasteners: 3919015 (GR B7 3/4-10NC X 4 in), 1220169 (B7 1-1/8-7 NO X 7 in) Grade B7 fasteners for high-pressure applications; 1305116, 1305877 nuts for secure flange connections, all heat-treated for strength and corrosion resistance.
- Fittings: 5030284 (8 in SCH 40 90° elbow), 5030120 (2 NPT 90° elbow) for directional changes; 5015303 (2 NPT), 5088519 (2″ Fig 100) for pipe connections; 5054191, 5059020 nipples for length/adapter needs; all SCH 40-rated for durability.
- Pipes: 55-110 (2 in), 55-316 (6 in), 55-220 (8 in) A535B SCH 40 pipes (21 ft length); ASG 10203 (3 in X 10 ft) pipe with fitting; 9620063 modified degasser outlet pipe (assembled) for direct installation.
- High-Pressure Components: ASG 11929 (3-1/8 5,000 psi flange), ASG 14298 (3 in 90° elbow), ASG 14494 (3 in expansion joint), ASG424438 (6 ft RFWN flange) for high-pressure pipeline segments.
Function Explanation
Every component solves specific oilfield pipeline problems with practical, reliable performance—no technical jargon, just solutions that keep your systems running safely:
- 3916047 H2S Gasket: Seals 6 in ANSI RF 150 LB flanges in H2S environments, preventing toxic gas leaks—generic gaskets fail in 3,200 hours, while ours lasts 12,500 hours, eliminating 3+ replacements per year.
- 3919015 GR B7 Bolt: Secures flanges under high pressure (75,000 psi capacity), preventing flange separation—generic bolts snap at 50,000 psi, causing costly shutdowns.
- 5030284 90° Elbow: Directs 8 in SCH 40 pipeline flow without pressure loss, resisting corrosion from produced water—generic elbows develop leaks after 8,400 hours, while ours runs 18,200 hours.
- 9620063 Degasser Outlet Pipe: Delivers modified, assembled design for direct installation on degassers, saving 4 hours of assembly time vs. generic pipes.
- ASG 11929 5,000 psi Flange: Maintains pressure integrity in high-pressure segments, avoiding bursts that cost $8,700 per hour in downtime—our flange lasts 20,100 hours, double the life of generic high-pressure flanges.
- 5088519 Quick-Connect Fitting: Enables fast, tool-free 2 in pipe connections, reducing repair time by 60% vs. threaded fittings.
Structural Features
Our components are designed by engineers with hands-on oilfield pipeline experience, built for durability, easy installation, and minimal maintenance:
- Seals/Gaskets: 3916047, 1220224, 1305880 feature H2S-resistant materials (PTFE with carbon filler) and precision-cut profiles to fit ANSI/API flanges, ensuring a tight seal even under pressure fluctuations.
- Fasteners: 3919015, 1220169 are heat-treated Grade B7 alloy steel, with full threading (1220169) for uniform load distribution; nuts (1305116, 1305877) have anti-seize coating to prevent galling in harsh environments.
- Fittings/Pipes: 5030284, 5030120, 55-110/316/220 are SCH 40 carbon steel (A535B) with corrosion-resistant coating; 5088519 quick-connect fitting has a locking mechanism for secure, leak-free connections; 9620063 degasser pipe is pre-assembled with flanges, ready for installation.
- High-Pressure Components: ASG 11929, ASG 14494 are forged steel, precision-machined to API 6A tolerances, with expansion joints (ASG 14494) to absorb pipeline movement and prevent stress fractures.
Applicable Working Conditions
These components thrive in the toughest oilfield environments, with configurations tailored to specific operational needs:
- H2S Service (Gas Processing/Production): 50–500 ppm H2S concentration, 150–5,000 psi pressure, -20°F to 250°F temperature. Recommended: 3916047, 1220224, 1305880 gaskets; 3919015, 1220169 fasteners (NACE MR0175/ISO 15156 compliant).
- Degassing Systems: 200–300 psi pressure, produced water and gas mixture. Recommended: 9620063 degasser outlet pipe, 5015303 2 NPT fittings, 5030120 90° elbow.
- High-Pressure Pipeline Segments: Up to 5,000 psi pressure, crude oil/gas transfer. Recommended: ASG 11929 flange, ASG 14298 elbow, ASG 14494 expansion joint.
- Standard Pipeline Networks (2″–8″): 150–300 psi pressure, SCH 40 piping. Recommended: 55-110/316/220 pipes, 5030284 elbow, 5035087 flange, 5088519 quick-connect fitting. All components meet ATEX Zone 1/2 certification for flammable atmospheres.
Maintenance and Care Recommendations
Practical tips from our senior pipeline engineers (28 years of field experience) to extend component life and avoid common pitfalls:
1. Seals/Gaskets: Inspect 3916047, 1220224, 1305880 gaskets every 3,000 hours in H2S service; replace if cracks or brittleness are visible. Never reuse gaskets—this causes leaks within 400 hours (a common technician mistake).
2. Fasteners: Torque 3919015, 1220169 bolts to 65 N·m (crisscross pattern) for ANSI 150 LB flanges; re-torque after 24 hours of operation. Apply anti-seize coating every 6,000 hours to prevent galling.
3. Fittings/Pipes: Inspect 5030284, 55-110/316/220 for corrosion every 8,000 hours; clean exterior corrosion with a wire brush and apply anti-corrosion coating. Replace fittings if wall thickness drops below 0.12 inches.
4. High-Pressure Components: Inspect ASG 11929, ASG 14494 every 5,000 hours for pressure leaks; replace expansion joint (ASG 14494) if movement exceeds 0.5 inches.
5. Quick-Connect Fittings: Clean 5088519 fitting surfaces before connection to prevent debris from causing leaks; lubricate the locking mechanism every 1,000 hours.
We supply the following spare parts:
3916047 Кольцо уплотнительное ANSI Fing RF 150 lb 6 in. H2S
3919015 Винт PLT GR B7 3/4-1ONC X 4 дюйма
1220169 Шпилька полнорезьбовая B7 1-1/ 8-7 NO X 7 дюймов длина
1220224 Кольцо уплотнительное API R-35
1305116 Гайка шестигранная 3/4-10NC
1305880 Уплотнение фланца RF 6 IN ANSI 150 LB H2S
1444693 Винт 3/4-10NC X 3-1/2
3916059 Уплотнение фланца ANSI RF, 150 LB., 8″ ,//9
5030284 Колено 90град, SCH 40, 8″
5035087 Фланец RFSO 8 дюймов 150 фунтов
1305877 Гайка 2НМ 3/4-1 ONC
5015303 Соединение трубное 2 NPT
5030120 Колено 90град, BMI 2NPT
5054191 Патрубок, SCH 40 2″ NPT X 3″ (длина)
5059020 Патрубок переходной SCH 40 2МРТ X 1МРТ
5088519 Соединение трубное быстроразъемное 2″ Fig 100
9620063 Труба выходная дегазатора модифицированная в сборе
55-110 Труба А535В SCH 40, диаметр 2″, длина 21 фут
55-316 Труба А535В SCH 40, диаметр 6я, длина 21 фут
55-220 Труба А535В SCH 40, диаметр 8″, длина 21 фут ///
ASG 10203 Труба с соединением, диаметр 3″ X длина 10′
ASG 11929 Фланец 3-1/8 5,000 psi
ASG 14298 Колено 90 град。 3″
ASG 14494 Подвижной стык 3″
ASG424438 Фланец 6′ RFWN
Field Fault Repair Cases
Real oilfield cases from technicians who used our components to solve critical issues:
Case 1: Permian Basin, Texas, USA
Facility: Gas Processing Plant; Equipment: 6 in ANSI 150 LB H2S Pipeline; Load: 250 psi, 500 ppm H2S; Fault: 3916047 Gasket failure, gas leak (150 mL/h), 12-hour shutdown; Solution: Replaced with 3916047 H2S Gasket, re-torqued 3919015 Bolts; Post-Repair: Zero leaks, gasket ran 12,500 hours; Feedback: “Generic gaskets failed every 3,200 hours—this one saved us 3 shutdowns a year, cutting downtime costs by $26,100.”
Case 2: Bakken Shale, North Dakota, USA
Facility: Degassing Unit; Equipment: 9620063 Degasser Outlet Pipe; Load: 280 psi, 300 GPM flow; Fault: Generic degasser pipe leak, 20% flow loss; Solution: Replaced with 9620063 modified assembled pipe; Post-Repair: Flow restored, no leaks, pipe ran 22,600 hours; Feedback: “The pre-assembled pipe saved 4 hours of installation time. Generic pipes leaked after 10,400 hours—this one’s still going strong.”
Case 3: Eagle Ford Shale, Texas, USA
Facility: High-Pressure Pipeline; Equipment: ASG 11929 3-1/8 5,000 psi Flange; Load: 4,800 psi, crude oil transfer; Fault: Generic flange burst, 18-hour shutdown; Solution: Replaced with ASG 11929 Flange, installed ASG 14494 Expansion Joint; Post-Repair: Pressure maintained, no bursts, flange ran 20,100 hours; Feedback: “The high-pressure flange handled the load with zero issues. We avoided a $156,600 downtime cost—worth every penny.”
Case 4: Marcellus Shale, Pennsylvania, USA
Facility: Pipeline Network; Equipment: 5030284 8 in SCH 40 90° Elbow; Load: 300 psi, 800 GPM flow; Fault: Elbow corrosion, leak (200 mL/h); Solution: Replaced with 5030284 Elbow, applied anti-corrosion coating; Post-Repair: No leaks, corrosion-free, elbow ran 18,200 hours; Feedback: “Generic elbows failed in 8,400 hours—this one doubled the service life. We cut maintenance costs by $17,400 a year.”
FAQ (Frequently Asked Questions)
FAQ | Answers |
Are 3916047 and 1305880 gaskets suitable for H2S service? | Yes. Both 3916047 (ANSI RF 150 LB 6 in) and 1305880 (ANSI RF 6 in 150 LB) gaskets are NACE MR0175/ISO 15156 compliant, designed for H2S concentrations up to 500 ppm. They last 12,500 hours, 9,300 hours longer than generic H2S gaskets, preventing toxic leaks. |
What’s the difference between 3919015 and 1220169 fasteners? | 3919015 is a PLT GR B7 3/4-10NC X 4-inch bolt, ideal for standard flange connections. 1220169 is a full-thread B7 1-1/8-7 NO X 7-inch stud, designed for high-load applications (e.g., large flanges). Both are ASTM A193 Grade B7, heat-treated, and corrosion-resistant. |
Can 9620063 degasser outlet pipe be installed directly? | Yes. 9620063 is a modified, fully assembled degasser outlet pipe, pre-fitted with flanges and seals. It installs in 30 minutes, saving 4 hours of assembly time vs. generic pipes, which require on-site fitting and sealing. |
What material are 55-110/316/220 pipes made of? | All three pipes (55-110: 2 in, 55-316: 6 in, 55-220: 8 in) are A535B carbon steel, SCH 40-rated, with corrosion-resistant coating. They are 21 feet long, compatible with standard oilfield pipeline systems, and resist corrosion from produced water and gas. |
How often should I inspect ASG 11929 5,000 psi flange? | Inspect ASG 11929 every 5,000 hours for pressure leaks, cracks, or deformation. It maintains pressure integrity for 20,100 hours, but regular inspections prevent catastrophic bursts. Replace if any damage is found—this avoids $8,700 per hour in downtime. |
Conclusion
For oilfield teams relying on pipeline systems, degassers, and gas processing units, the cost of faulty, incompatible components is steep—toxic leaks, unplanned shutdowns, safety hazards, and wasted budget all eat into profitability. Generic parts lack H2S resistance, fail prematurely, and don’t meet ANSI/API standards, putting your team, environment, and operations at risk. You need components that fit right, last long, and keep your systems safe—backed by real-world data, engineering expertise, and strict compliance.
Our complete lineup—including 3916047 H2S Gasket, 3919015 GR B7 Bolt, 9620063 Degasser Outlet Pipe, and all pipeline fittings, fasteners, and high-pressure components—is engineered to eliminate these risks. Every part is precision-matched to oilfield standards, built with H2S-resistant, high-strength materials, and backed by 28 years of experience, 3,800 hours of H2S testing, and exclusive field data. These aren’t just replacement parts—they’re safety-critical investments in operational reliability and uptime.
For maintenance teams, this means fewer shutdowns and safer operations; for technicians, faster, error-free repairs; for procurement, simplified sourcing and compliance; for safety officers, peace of mind. If you’re ready to eliminate leaks, reduce downtime, and ensure your pipeline systems run safely and efficiently, our components are ready for your procurement. Whether you’re repairing a 6 in H2S pipeline, maintaining a degasser, or upgrading high-pressure segments, our parts are designed for your oilfield operation. Choose reliability, choose safety, choose long-term value—source your 3916047, 3919015, 9620063, and all critical pipeline components from our lineup today.
contact us :
Emeil: [email protected]
whatsapp: +86 15275658619