Product Introduction

Our CSF-1000 pulsation dampener components are premium OEM-equivalent parts built to regulate hydraulic pressure and protect against catastrophic overpressure events. The portfolio includes KB-75 dampener bladders, sealing rings, pressure gauges, charging hoses, and full JA-3 shear relief valve kits, crafted from oil/abrasion-resistant elastomers, heat-treated alloy steel, and corrosion-resistant stainless steel. All items meet strict API 7K safety and performance standards, making them the trusted choice for routine maintenance, emergency repairs, and full pulsation dampener overhauls for the CSF-1000 mud pump.
Functional Specifications
- Pulsation Dampening & Pressure Stabilization: The KB-75 dampener assembly absorbs hydraulic shock and reduces pressure fluctuations by up to 48%, maintaining consistent mud flow and protecting the pump’s fluid end and piping from fatigue damage.
- Overpressure Emergency Protection: The JA-3 shear relief valve activates automatically at pre-calibrated 25Mpa thresholds, shearing the designated pin to relieve excess pressure and prevent pump or rig structural failure.
- Leak-Free Sealing: Precision-engineered sealing rings, plunger seals, and gaskets maintain airtight pressure integrity, eliminating gas/fluid leaks that compromise dampener and safety valve performance.
- Real-Time Pressure Monitoring: 0-25Mpa pressure gauges provide accurate, instant pressure readings, allowing technicians to detect anomalies before they escalate into equipment failures.
- Safe Charging Capability: Dedicated C-type charging hoses and connectors enable secure, controlled gas charging of the pulsation dampener, reducing safety risks during maintenance.
Structural Characteristics
These CSF-1000 components feature a rugged, pressure-optimized modular design: the KB-75 pulsation dampener uses a heavy-duty bladder-and-head assembly for easy replacement of worn parts, while the JA-3 shear valve incorporates a precision plunger stem and shear bar for reliable emergency activation. All fasteners, connectors, and sealing components are sized for OEM compatibility, with a compact, pump-integrated layout that fits seamlessly into the CSF-1000’s existing piping and safety systems without modifications.
Applicable Operating Conditions
These components are engineered to perform reliably in the most demanding drilling environments: onshore deep-well oil/gas exploration, offshore platform well servicing, directional drilling, geothermal drilling, and high-solid abrasive mud circulation operations. They tolerate extreme temperature fluctuations (-20°F to 220°F), acidic drilling fluids, continuous 25Mpa pressure cycling, high-vibration rig conditions, and prolonged exposure to dust and formation debris, making them suitable for remote land rigs, offshore vessels, and commercial drilling installations worldwide.
Maintenance & Servicing Recommendations
To maximize component lifespan and ensure consistent performance, follow these industry-approved protocols: inspect KB-75 dampener bladders and sealing rings every 300 operating hours for cracks, wear, or leaks, replacing damaged parts immediately; test JA-3 shear relief valve activation pressure quarterly to verify compliance with 25Mpa OEM thresholds; calibrate 0-25Mpa pressure gauges semi-annually to ensure accurate readings; tighten all studs and nuts to OEM torque specifications every 450 hours to prevent vibration-induced loosening; clean purge valves and needle valves regularly to remove sediment buildup; and store rubber bladders and seals in a cool, dry area to prevent premature degradation.
- We supply the following spare parts:
| KB-75 Pulsation Dampener List Part | ||
| Item No. | Description | Part No. |
| Assembly drawing | CS33001-08.00 | |
| 1 | Sealing ring R39 | CS33001-08.01 |
| 2 | Bottom plug | CS33001-08.02 |
| 3 | Bladder | CS33001-08.04 |
| 4 | Studded assembly | CS33001-08.03 |
| 5 | Head | CS33001-08.05 |
| 6 | Steel pipe tee NPT1/4 | CS33001-08.11 |
| 7 | Close nipple NPT1/4 | CS33001-08.15 |
| 8 | Gauge cover | CS33001-08.10 |
| 9 | Purge valve | CS33001-08.08 |
| 10 | Pressure gauge (0-25Mpa) | CS33001-08.12 |
| 11 | Needle valve | CS33001-08.18 |
| 12 | Washer | CS33001-08.13 |
| R1 | Stud | 1 1/4″-12UNC-2A |
| R2 | Nut | 1 1/4″-12UNC-2B |
| R3 | Stud | T53-4002(AM33x2-M33x3x100) |
| R4 | Nut M33x3 | T57-2009 |
| Pulsation Dampener Charging Hose & Instruction | ||
| Item | Description | Part No. |
| Pulsation dampener charging hose | CS33001-31.10.00 | |
| 1 | Nut G5/8″ | CS33001-31.10.01 |
| 2 | Sealing connector | CS33001-31.10.02 |
| 3 | Hose, C-type, M14x1.5 | JB1887-77 |
| 4 | Connector | CS33001-31.10.03 |
| 5 | Gasket | CS33001-31.10.04 |
| 6 | Pipe plug | CS33001-31.10.05 |
| JA-3 Shear Relief Valve List | ||
| Item No. | Description | Part No. |
| JA-3 Shear relief valve | CS33003-00 | |
| 1 | Adapter bushing | CS33003-01 |
| 2 | Plain washer | CS33003-02 |
| 3 | Plunger seal | CS33003-03.00 |
| 4 | Body | CS33003-04 |
| 5 | Plunger stem | CS33003-05 |
| 6 | Bumper | CS33003-06 |
| 7 | Roll pin | CS33003-07 |
| 8 | Cover spring | CS33003-08 |
| 9 | Cover | CS33003-09 |
| 10 | Shear bar | CS33003-10 |
| 11 | Shear pin | CS33003-11A |
| 12 | Warning plate | CS33003-12 |
| 13 | Shear bar pin | CS33003-13 |
| 14 | Retainer ring | CS33003-14 |
| 15 | Name plate | CS33003-15B |
| 16 | Cotter pin 4×26 | GB91-86 |
| 17 | Nut M4 | GB41-86 |
| 18 | Cap screw M4x16 | GB67-86 |
| 19 | Bolt M10x110 | GB5780-86 |
| 20 | Nut M10 | GB41-86 |
| 21 | Cap screw M3x8 | GB67-86 |
Field Failure Repair Case Studies
Case 1: Ruptured Dampener Bladder Causing Pressure Instability
A land drilling rig operating a CSF-1000 pump experienced severe pressure fluctuations and mud flow inconsistencies, traced to a ruptured KB-75 pulsation dampener bladder. Replacing the OEM-grade bladder and R39 sealing ring restored stable pressure regulation, eliminating hydraulic shock and resuming normal drilling operations.
Case 2: Worn Shear Pin Causing Safety Valve Failure
An offshore service crew faced an overpressure risk when the JA-3 shear relief valve failed to activate, caused by a fatigued shear pin. Installing a new OEM-spec shear pin, plunger seal, and cover spring restored reliable emergency activation, passing all API safety pressure tests.
Case 3: Leaking Charging Hose Compromising Dampener Pressure
A remote drilling rig struggled to maintain dampener pressure due to a cracked C-type charging hose and faulty sealing connector. Replacing the charging hose assembly and gaskets eliminated air leaks, allowing proper pressure charging and restoring full pulsation dampening functionality.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with the CSF-1000 mud pump? | Yes, all pulsation dampener and safety valve components are precision designed exclusively for the Sichuan Petroleum CSF-1000 mud pump, matching OEM dimensions and performance specifications exactly. |
| What pressure range is the KB-75 dampener rated for? | The KB-75 pulsation dampener and JA-3 safety valve are rated for 0-25Mpa operating pressure, perfectly aligned with the CSF-1000 pump’s standard working pressure requirements. |
| Does this list include all parts for full dampener and valve assembly? | Yes, it includes all required seals, fasteners, gauges, hoses, and safety components for complete assembly, repair, and charging of the KB-75 dampener and JA-3 shear valve. |
Conclusion & Procurement Guidance
This CSF-1000 mud pump pulsation dampener and safety valve parts list is your definitive, API 7K-compliant resource for all pressure control and safety-critical procurement needs for the CSF-1000 pump. It eliminates the risk of ordering ill-fitting, non-compliant components, provides clear part numbers and specifications for seamless, accurate ordering, and establishes a reliable technical standard for troubleshooting pulsation and safety system issues. Whether you are replacing a worn dampener bladder, servicing a faulty shear relief valve, restocking charging hose accessories, or performing routine pressure system maintenance, this guide provides all critical details to make informed, cost-effective purchasing decisions. Choosing these precision-engineered, field-proven components ensures your CSF-1000 mud pump maintains stable pressure performance, meets global drilling safety regulations, minimizes costly rig downtime, and withstands the harshest drilling conditions long-term. Reach out to secure these essential pulsation dampener and safety valve parts and keep your drilling operations running smoothly with reliable, OEM-equivalent components tailored to your exact CSF-1000 pump configuration.