1.Product Introduction
Our TSC WF700 fluid end parts lineup covers all critical components needed to maintain, repair, or overhaul the TSC WF700 mud pump’s fluid end organized by function for easy procurement—making it simple for users to find the exact part they need for any maintenance or repair task. All parts are fully compatible with the TSC WF700 model, with precise dimensional consistency and API threads for seamless integration, eliminating the risk of mismatches that plague generic alternatives. Key categories include: 1) Complete Fluid End Module Assemblies, ready-to-install units that simplify full or targeted fluid end replacement, saving 0.7–1.2 hours of assembly time during overhauls; 2) High-Strength Fasteners , heavy-duty options with API threads engineered for secure component attachment under high pressure;
2. Functional Specifications
Every TSC WF700 fluid end part is engineered to meet the 5000 PSIworking pressure demands of the TSC WF700 mud pump, matching or exceeding OEM standards and API 7K criteria—ensuring consistent performance in the most demanding drilling conditions. Key details: The Complete Fluid End Module maintains 98.0%+ volumetric efficiency for stable mud delivery, even under maximum operating pressure, consistent with the performance parameters of TSC WF700 mud pumps. Fasteners with API threads provide secure torque retention: TS-79L188 Studs deliver 4,800 ft-lbs, TS-79L73 Studs 4,300 ft-lbs, and TS-79AL6 Studs 3,900 ft-lbs, preventing component misalignment and leakage. Seals and gaskets use high-performance FKM and EPDM materials, ensuring leak-free operation at -10°F to 300°F, resisting degradation from drilling mud, saltwater, H2S, and harsh drilling chemicals. All parts undergo 5000 PSI pressure testing for 30 minutes and non-destructive testing (NDT, including ultrasonic and magnetic particle testing) to ensure durability, meeting API 7K requirements for high-pressure oilfield equipment. Additionally, the TMPZ09-STUDSET is pre-assembled for easy installation, reducing assembly time by 40% compared to individual fastener installation.
3. Applicable Operating Conditions
Our TSC WF700 fluid end parts perform reliably in all environments where the TSC WF700 mud pumpis used, including onshore conventional drilling, shallow to medium well workover, low-pressure gas drilling, and nearshore drilling operations. They withstand operating pressures up to 5000 PSI )and ambient temperatures from -10°F to 110°F, making them suitable for cold-weather, desert, tropical, and coastal operations. Resistant to high-sand, high-viscosity drilling mud, saltwater, H2S gas, and drilling chemicals, they prevent corrosion and premature failure, meeting API 7K’s corrosion resistance standards. Ideal for Class I, Division 2 hazardous areas, they integrate seamlessly with routine maintenance protocols for TSC WF700 pumps. We recommend inspecting parts every 160 operating hours to prevent unplanned failures. Suitable for well depths from 1,800 to 12,000 feet, they ensure consistent performance and simplify inventory management for rig fleets, aligning with the operational scope of TSC WF700 mud pumps.
4. Maintenance & Service Recommendations
To maximize part service life and minimize downtime for TSC WF700 mud pumps , follow these practical, easy-to-implement guidelines—tailored specifically to the TSC WF700’s fluid end design: 1) Inspect seals and gasketsevery 160 operating hours—seal failure causes 60% of TSC WF700 fluid end issues; replace cracked or leaking seals immediately to avoid pressure loss and pump damage. 2) Torque fasteners regularly: TS-79L188, TS-79L73 , and TS-79AL6 every 120 operating hours to prevent misalignment and leakage. 3) Clean TS-2011706 Lower Valve Guide Assemblies every 140 operating hours—mud buildup reduces efficiency by 13% and causes valve jamming, which can lead to costly pump shutdowns. 4) Replace FKM/EPDM seals every 450 operating hours to avoid fluid loss and maintain optimal pressure. 5) Store spares in a clean, dry environment to prevent corrosion, especially for fasteners like TMPZ09-STUDSET and TS-79L188. 6) Use only OEM-equivalent parts—generic parts increase repair costs by 65% on average and may not meet API 7K standards, putting your TSC WF700 pump at risk. 7) Verify part numbers before installation, especially for module components like TS-FEMPZ789CA and TS-205PZL029D. Following these steps extends component life by 60% and reduces maintenance costs by 32%.
We supply the following spare parts:
| ITEM | PART NUMBER | DESCRIPTION |
| TS-FEMPZ789CA | FLUID END MODULE COMPLETE ASSEMBLY (INCLUDES ITEM 2-24) | |
| 1 | TS-205PZL029D | FLUID END MODULE STUDDED (INCLUDES ITEM 2-10) |
| 2 | TS-205-6651-18 | FLUID END MODULE ONLY |
| 3 | TS-79L188 | STUD, FRAME & LINER CLAMP |
| 4 | TS-50B36 | NUT (FOR ABOVE) |
| 5 | TS-79L73 | STUD, FRAME |
| 6 | TS-50AQ36 | NUT (FOR ABOVE) |
| 7 | TS-79AL6 | STUD, VALVE COVER |
| 8 | TS-50B34 | NUT (FOR ABOVE) |
| 9 | TS-202PZL110 | STUD, DISCHARGE MANIFOLD |
| 10 | TS-50B34 | NUT (FOR ABOVE) |
| 11 | TS-2011861 | RING, VALVE COVER GASKET EXPANDER |
| 12 | TS-2011862 | GASKET, VALVE COVER (G-749) |
| 13 | TS-2007674 | BUSHING, VALVE GUIDE |
| 14 | TS-2011860 | COVER, VALVE |
| 15 | TS-2011699 | RING, VALVE COVER THREADED |
| 16 | TS-2011857 | CAP, VALVE COVER LOCK |
| 17 | TS-2011701 | PLATE, RETAINER |
| 18 | TS-2011700 | GUIDE, VALVE SUCTION |
| 19 | TS-95W2 | WASHER，LOCK 1/2″ 316SS |
| 20 | TS-655EE06S | SCREW 1/2″x1-3/4M 316SS HX HD C/S |
| 21 | TS-25AL35 | GASKET, DISCHARGE MANIFOLD |
| 22 | TS-25G41 | GASKET, SUCTION MANIFOLD |
| 23 | TS-1PV14 | CLAMP, LINER |
| 24 | TS-2011706 | ASSEMBLY, LOWER VALVE GUIDE (INCLUDES ITEM 13, 17-20) |
| 25 | TMPZ09-STUDSET | PZ-7/8/9 STUDS AND NUTS SET(INCLUDES 8 PCS TS-79L188, 16 PCS TS-50B36, 4 PCS TS-79L73, 4 PCS TS-50AQ30, 16 PCS TS-79AL6, 4 PCS TS-202PZL110, 20 PCS TS-50B34) |
| 26 | TMPZ09-SEALKIT | PAH MODULE SEAL KIT(INCLUDES TWO G-749, ONE TS-25AL35, ONE TS-25G41) |
5. On-Site Failure Repair Cases
Case 1: Leaking TS-2011862 Valve Cover Gaskets Causing Pressure Loss
An onshore rig’s TSC WF700 mud pump experienced a 15% pressure drop and 12% reduced drilling efficiency due to leaking TS-2011862 Valve Cover Gaskets. Generic gaskets failed after 110 operating hours due to chemical degradation from drilling fluids. Replacing them with our OEM-equivalent gaskets restored leak-free operation, stabilized pressure, and extended gasket life to 600 operating hours. The repair took 20 minutes, avoiding 2.5 hours of downtime and $4,750 in lost productivity.
Case 2: Worn TS-1PV14 Liner Clamps Leading to Pump Vibration
A medium well drilling rig’s TSC WF700 pump had 17% reduced efficiency and increased vibration from worn TS-1PV14 Liner Clamps. Generic clamps failed after 400 hours, lacking wear resistance. Replacing with our wear-resistant alloy clamps restored smooth operation, improved efficiency by 16%, and prevented further component damage. The repair took 40 minutes, avoiding $7,200 in component replacement costs.
Case 3: Faulty TMPZ09-STUDSET Studs Causing Fluid End Misalignment
A nearshore rig’s TSC WF700 pump shut down unexpectedly due to faulty studs from a generic stud set, causing fluid end misalignment. The generic set, lacking proper heat treatment and API-compliant threads, failed after 450 hours. Replacing it with our TMPZ09-STUDSET restored proper alignment, ensured consistent mud delivery, and extended service intervals by 350 hours. The pump was back online in 1 hour, avoiding $8,500 in downtime costs.
6. Frequently Asked Questions (FAQ)
| Question | Answer |
| Will these parts fit my TSC WF700 mud pump (5000 PSI)? | Yes, all parts (including TS-FEMPZ789CA Complete Assembly, TS-205PZL029D Studded Modules, TS-79L188 Studs, and TMPZ09-STUDSET) are fully compatible with the TSC WF700 mud pump. They are OEM-equivalent with API threads, requiring no custom modifications—just verify the part number before installation to ensure a perfect fit. |
| Do these parts meet industry safety standards for 5000 PSI operations? | Absolutely. All parts are certified to API 7K (2022 edition), ISO 9001:2015, and GB/T 8423.5—2017 standards, undergoing 5000 PSI pressure testing, NDT, and dimensional inspection. They feature API threads complying with API Spec 7K, ensuring compliance with global oilfield safety regulations and access to major oilfield projects. |
| How long do these parts last compared to generic options for TSC WF700? | Our OEM-equivalent parts last 60% longer on average. For example, TS-2011862 Valve Cover Gaskets last 600+ hours (vs. 110–150 for generic), TS-1PV14 Liner Clamps last 1,100+ hours (vs. 400 for generic), and TMPZ09-STUDSET lasts 900+ hours (vs. 450 for generic), reducing maintenance frequency and costs significantly. |
7. Procurement Guidance
This document serves as a formal procurement and technical reference to help you source certified, OEM-equivalent fluid end parts for TSC WF700 mud pumps (5000 PSI working pressure). Every component—from the Complete Fluid End Module (TS-FEMPZ789CA) and TS-205PZL029D Studded Module to TS-2011862 Valve Cover Gaskets, TS-79L188 Studs, and TMPZ09-STUDSET—is vetted for dimensional accuracy, material quality, and performance under 5000 PSI pressure. All parts feature API threads complying with API Spec 7K standards, eliminating the risk of low-quality, incompatible parts that cause TSC WF700 pump failure, mud leakage, and costly downtime, while ensuring compliance with API 7K
