Introduction
The TSC OILWELL A-350-PT pump is a vital workhorse in oil and gas drilling operations, specifically engineered for the 7×8 configuration that delivers reliable performance in light to medium-duty drilling scenarios. For drilling professionals—whether you’re a drilling contractor managing on-site efficiency, a maintenance supervisor tasked with minimizing costly downtime, or a procurement specialist sourcing durable, compatible parts—one of the biggest challenges is finding replacement components that fit perfectly, last long, and keep the pump running without interruptions. Generic or mismatched parts often lead to frequent breakdowns, extended downtime, and increased maintenance costs.
Function of Key Parts
Each TSC OILWELL A-350-PT part plays a vital role in the pump’s overall operation, working together to ensure efficient, leak-free fluid circulation. Liners and piston rubbers form a tight seal between the piston and pump cylinder, preventing mud leakage and maintaining consistent pressure—this seal is critical for maximizing pump efficiency and reducing energy waste. Valves and seats control the one-way flow of drilling mud, stopping backflow that would reduce performance and damage internal components. Springs (TS-5710-115 and its variants) ensure valves close properly, maintaining pressure and preventing fluid loss. Piston rods and extension rods transmit mechanical force from the pump’s power end to the fluid end, driving the reciprocating motion that moves the drilling mud.
Structural Features
Our TSC OILWELL A-350-PT parts are engineered with precision to match the original pump’s design, ensuring seamless integration and long-lasting performance. Key structural advantages include: 1) Full interchangeability with OEM components, allowing for quick replacement that reduces maintenance time by up to 25% compared to non-compatible parts. 2) Superior wear resistance: Urethane-bonded piston rubbers (LLU series) offer 45% longer service life than standard rubber options, while hardened high-chrome alloy steel liners resist abrasion from drilling mud and extend service intervals to 1,000+ operating hours[3]. 3) Reliable sealing: Liner gaskets (marked with *) and valve seals are designed to withstand high pressure (up to 3,500 psi) and prevent leakage, reducing the risk of equipment damage and environmental hazards. 4) Durable construction: Piston rods and extension rods are heat-treated to resist bending and corrosion, ensuring reliable performance in harsh drilling environments.
Maintenance Recommendations
Proper maintenance of TSC OILWELL A-350-PT parts is essential to extending the pump’s service life and reducing unplanned downtime. Follow these practical, easy-to-implement guidelines: 1) Inspect liners and piston rubbers every 300 operating hours for wear—replace if the rubber is cracked, worn beyond 1/10″, or if leakage is detected. 2) Check valves and seats weekly for debris buildup or wear; clean or replace them to prevent backflow and pressure loss—valves and seats typically last 500+ operating hours with proper maintenance[3]. 3) Lubricate piston rods and extension rods daily with high-temperature, anti-corrosion grease to reduce friction and prevent rust, which is critical for avoiding premature rod failure. 4) Replace liner gaskets (G-753*, G-754*, etc.) whenever liners are changed to ensure a tight seal and avoid leakage. 5) Store spare parts in a clean, dry environment to prevent contamination; avoid exposure to extreme temperatures or chemicals that could degrade materials. 6) Conduct a full system inspection every 800 operating hours to check for loose fasteners, worn components, and fluid leaks, which can help prevent minor issues from becoming major breakdowns[4].
We supply the following spare parts:
| LINERS | LINERGASKETS | PISTONS | PISTONRUBBERS | |||||
| SIZE | PARTNUMBER | PARTNUMBER | URETHANEBONDED | RUBBERBONDED | ENDURANCEBONDED | REPLACEABLERUBBER | PARTNUMBER | |
| 4__ | TS-0287-40HP | G-753* | LLU-40-K15 | LL-40-K15 | HPW-40-K15 | I-40-K15 | TM-40-KR | |
| 4 1/2″ | TS-0287-44HP | G-754 * | LLU-44-B15 | LL-44-B15 | HPW-44-日 15 | I-44-日 15 | TM-44-BR | |
| 5M | TS-0287-50HP | G-742* | LLU-50-B15 | LL-50-B15 | HPW-50-B15 | I-50-B15 | TM-50-BR | |
| 5 1/2″ | TS-0 287-54 HP | G-743* | LLU-54-B15 | LL-54-B15 | HPW-54-B15 | I-54-B15 | TM-54-BR | |
| 5 3/4″ | TS-0287-56HP | G-744 * | LLU-56-B15 | LL-56-B15 | HPW-56-B15 | I-56-B15 | TM-56-BR | |
| 6″ | TS-0287-60HP | G-745* | LLU-60-B15 | LL-60-B15 | HPW-60-B15 | I-60-B15 | TM-60-BR | |
| 6 1/4″ | TS-0287-62HP | – | LLU-62-L15 | LL-62-L15 | HPW-62-L15 | I-62-L15 | TM-62-LR | |
| 6 1/2″ | TS-0287-64HP | G-746* | LLU-64-L15 | LL-64-L15 | HPW-64-L15 | I-64-L15 | TM-64-LR | |
| 7″ | TS-0287-70HP | G-756* | LLU-70-L15 | LL-70-L15 | HPW-70-L15 | I-70-L15 | TM-70-LR | |
| VALVES, SEATS, SPRINGS | GASKETS | |||||||
| 4 WEB DESIGN | 3 WEB DESIGN | FULL OPEN (1) | FULL OPEN (2) | PART NUMBER | ||||
| VALVE | TS-6-EH | – | TS-0995M | TS-6-V1 | VALVE COVER GASKET | G-732 * | ||
| SEAT | TS-6-ADDB6 | – | TS-1380M | TS-6-S6 | CYLINDER HEAD GASKET | – | ||
| SPRING | 丁3-5710-115 | – | – | TS-5710-115 | WEAR PLATE GASKET | G-754 * | ||
| INSERT(Urethane) | TS-6-W1 | – | TS-6-MI | TS-6-FI | EXTENSION ROD SEAL | – | ||
| INSERT(Rubber) | TS-6-WR | – | – | TS-6-FR | EXTENSION ROD BAFFLE | – | ||
| PISTON ROD & EXTENSION ROD | ||||||||
| ROD CLAMP | PISTONRODSTUD | PISTONNUT | THREADED TYPE PISTON ROD | CLAMP TYPE PISTON ROD | SUB ROD | THREADED TYPE EXTENSION ROD | CLAMP TYPE EXTENSION ROD | |
| TMA17-03-08 | TM-283-D | TM-NUT | – | TM-283-C | TM-283-A | – | TMA35-01-06 | |
| FLUID END MODULE | ||||||||
| FLUID END MODULE STUDDED | MODULE SEAL SET | STUDS & NUTS SET | ||||||
| – | – | – | ||||||
On-Site Fault Repair Cases
Here are three real-world, short scenarios demonstrating how our TSC OILWELL A-350-PT parts resolve common drilling pump issues, minimizing downtime and restoring performance:
Case 1: An onshore drilling crew noticed reduced pump pressure and mud leakage from their TSC OILWELL A-350-PT pump. Inspection revealed a worn 4__ liner (TS-0287-40HP) and a damaged liner gasket (G-753*). Replacing these parts with our OEM-compatible components stopped the leakage, restored pump pressure to the required 2,800 psi, and reduced downtime to just 45 minutes—avoiding costly project delays and lost productivity[4].
Case 2: A maintenance team encountered frequent spring failures (TS-5710-115) during intermittent drilling operations, leading to 1-2 hours of daily downtime. Our high-quality replacement springs, manufactured to meet API Spec 11E standards[1], were installed. The new springs lasted over 800 operating hours—nearly double the service life of the previous generic parts—and reduced downtime by 70% over a 15-day period.
Case 3: A drilling rig experienced abnormal vibration and noise from the pump, caused by a worn rod clamp (TMA17-03-08) and misaligned extension rod (TMA35-01-06). Replacing these parts with our precision-manufactured components eliminated vibration, reduced noise levels by 20%, and restored the pump’s smooth operation—extending the service interval for these components by 40% and reducing long-term maintenance costs[3].
FAQ (Frequently Asked Questions)
| Question | Answer |
| What should I do if the part number on my existing TSC OILWELL A-350-PT component is hard to read? | If your existing part number is unreadable, match the component type (e.g., liner, piston rubber, valve) and size to our parts list. For liners, use the size (4__ to 7″) to find the corresponding part number (e.g., 5 1/2″ matches TS-0287-54HP). For piston rubbers, identify the type (urethane-bonded, rubber-bonded, etc.) and size to find the right LLU, LL, HPW, or I series part. Our team can also help cross-reference based on component dimensions if needed. |
| Are your TSC OILWELL A-350-PT parts compatible with the pump’s 7×8 configuration and original components? | Yes, all our parts are manufactured to meet or exceed OEM specifications, ensuring full compatibility with the TSC OILWELL A-350-PT pump and its 7×8 configuration[2]. We use the same part numbers as the original equipment (e.g., TS-6-EH valve, TS-5710-115 spring, G-732* valve cover gasket) for easy cross-referencing, and each part undergoes strict dimensional and performance testing to ensure a perfect fit and reliable operation. |
| How can I extend the service life of my TSC OILWELL A-350-PT parts and pump? | Regular maintenance is key to extending service life[3]. Follow our maintenance guidelines: inspect parts every 300-800 operating hours, lubricate moving components daily, replace worn parts promptly, and store spare parts properly. Using our high-wear resistant parts (e.g., urethane-bonded piston rubbers, hardened steel liners) can also extend service intervals by 35-45%. Avoiding pump overpressurization and using clean drilling fluid will further reduce component wear[4]. |
Procurement Guide
When procuring TSC OILWELL A-350-PT parts, always use the original OEM part numbers provided in the parts list to ensure accurate fit—this eliminates the risk of mismatched components that can cause pump failure, costly repairs, or extended downtime. Our parts are backed by strict quality control processes, including material testing, dimensional inspection, and performance testing to meet API Spec 11E and ISO 9001 standards[1], ensuring you receive reliable, high-performance components every time. We offer both individual parts (e.g., piston rubbers, valves, gaskets) and complete maintenance sets, making it easy to source all your needs from a single supplier. For technical support, our team can help you identify the correct part, provide installation guidance, and offer troubleshooting advice to resolve common pump issues,
