10 Apr 2026

UPPER IBOP Valve Assembly 30173887-500, HG4-692 Oil Seal

Introduction

In the high-stakes environment of oilfield drilling and production, equipment reliability is non-negotiable. Every component, from the smallest sealing ring to critical control valves, plays a vital role in maintaining operational safety and efficiency. A single point of failure—whether a leaking seal, a worn bearing, or a faulty valve—can trigger costly downtime, compromise safety, and erode profit margins. We specialize in providing a comprehensive range of precision-machined, application-specific oilfield spare parts, including flagship components like the UPPER IBOP Valve Assembly 30173887-500 and HG4-692 Oil Seal (PG100×130×12 N008), alongside a full spectrum of compatible parts such as the REXROTH R431002833 valve and 32330 Bearing.

Our core mission is to deliver targeted, high-performance solutions to oilfield drilling teams, maintenance service providers, and production operators. We cater to key equipment platforms, including the NOV TDS-10SH Top Drive System, Bomco drilling rigs, Brandt VSM 300 Shale Shakers, and Haidiao VSH65-125 pumps. Each part is engineered and tested to meet stringent international standards, addressing the universal pain points of poor compatibility, premature wear, and difficult maintenance that plague field operations. Our goal is to minimize unplanned shutdowns, extend component lifespan, and ensure the seamless, safe operation of your critical assets.

Product Overview

Core Product Models & Equipment Compatibility

We offer a meticulously curated selection of spare parts, each designed for direct, drop-in compatibility with leading oilfield equipment. Our key product lines and their target applications are as follows:

 Top Drive Systems: UPPER IBOP Valve Assembly 30173887-500 (Catalog M614003029-SPL-001), Adjusting Shim 120262-2 (NOV TDS-10SH), RETAINER, BEARING-UPPER STEM 118668

 Hydraulic & Pneumatic Systems: REXROTH P-50973-00003 R431002833 Valve, PO Check Valve H10071, Safety Valve RGF1000-23.00, Hydraulic Distributor Z07150000009AA

 Sealing Solutions: HG4-692 Oil Seal (PG100×130×12 N008) Nitrile Rubber, Oil Seal 32SB180J0016, O-RING SEAL 51300-226-B, 826424 OB PACKING SHAFT

 Transmission & Motion Components: 32330 Bearing, Thrust Roller TQ35-05-13, Sprocket Gear 100155-001, Angle Reducer JX240B, Axis, High and Low Gears 101629-001

 Structural & Wear Parts: Jaw 7″ with Roller TQ35-05-25, MUD PIPE 722-10-0, Screen Panel BRANDT VSM 300 Cascade (145 & 180 Mesh), Block Spring 114201-001

 Electrical & Safety: Fuse Limitron KTK-2 2A, Power Service Loop #1 10657241-002, Explosion-proof Motors (3kW)

Function Description

Every part in our portfolio is engineered to solve specific, high-stakes operational challenges:

 UPPER IBOP Valve Assembly 30173887-500: Serves as a critical safety component in the top drive system, providing positive isolation of the wellbore under extreme pressure. It solves the pain point of unreliable well control, preventing hazardous fluid influxes and ensuring safe operations during tripping or maintenance.

 HG4-692 Oil Seal (PG100×130×12 N008): Specifically formulated for high-pressure, high-temperature (HPHT) environments. It creates a robust barrier to prevent lubricant leakage and contamination of critical bearings and gears, solving the problem of premature component failure due to fluid loss.

 REXROTH R431002833 Valve: A precision hydraulic control component that ensures accurate actuation of hydraulic machinery. It addresses the common issue of valve stiction and flow inconsistency, maintaining the responsiveness and safety of the entire hydraulic circuit.

 32330 Bearing: A heavy-duty tapered roller bearing designed to withstand combined radial and axial loads. It eliminates the risk of shaft misalignment and premature wear in high-torque drivetrains, ensuring smooth and reliable power transmission.

 Screen Panel BRANDT VSM 300 Cascade: High-precision screening components that separate drill solids from drilling mud. They solve the pain point of reduced mud circulation efficiency and screen blinding, maintaining the integrity of the drilling fluid system.

Structural Features

Our spare parts are distinguished by their superior material selection and manufacturing precision, directly translating to enhanced field performance:

 Advanced Material Science: Seals, like the HG4-692 Oil Seal, use premium nitrile rubber (NBR008) formulated to resist oil, abrasion, and temperatures up to 150°C. Valves and bearings are crafted from high-grade alloy steels, providing exceptional hardness (HRC 58-62) and impact resistance.

 Micro-Finish Precision Manufacturing: All components are produced on state-of-the-art CNC machining centers, with a dimensional tolerance held to within 0.008mm. This ensures a perfect, rattle-free fit with original equipment, eliminating installation issues and secondary damage.

 Optimized Design for Durability: The UPPER IBOP Valve Assembly features a hard-faced sealing surface and corrosion-resistant coating to combat H₂S and sour service environments. The 32330 Bearing incorporates a optimized internal geometry to distribute loads evenly, significantly reducing friction and heat generation.

 Integrated Life-Extending Features: Parts such as the Jaw 7″ with Roller TQ35-05-25 are equipped with replaceable wear sleeves, simplifying maintenance and extending the overall life of the tool.

Applicable Working Conditions

Our products are rigorously tested to perform reliably in the most demanding oilfield environments:

 HPHT Wells: Rated for operating temperatures from -40°C to 180°C and pressures up to 15,000 PSI, components like the REPAIR KIT DQ001.02.03 and Safety Valve RGF1000-23.00 maintain integrity in deep and ultra-deep well applications.

 Harsh Chemical Exposure: Designed to resist corrosion from drilling muds, saltwater, and hydrogen sulfide (H₂S), our seals and valves are ideal for both onshore and offshore operations.

 High-Vibration Environments: Bearings, gears, and rollers are built to withstand continuous shock and vibration, ensuring stable operation in the harsh conditions of rotary drilling and shaker screens.

Maintenance & Care Recommendations

To maximize the service life of your equipment and minimize operational costs, our field engineers recommend the following best practices:

 Scheduled Inspections: Conduct a thorough inspection of seals, valves, and bearings every 1,000 operating hours. Pay close attention to signs of leakage, unusual noise, or temperature spikes, as these are early indicators of impending failure.

 Proper Lubrication Regimen: For bearings and moving parts, use only high-quality, OEM-specified lubricants. Re-lubricate at intervals prescribed by the equipment manual and perform a full fluid change every 3,000 hours to prevent degradation.

 Correct Storage Protocols: Store all spare parts in a clean, dry, and climate-controlled environment. Seals and elastomers should be kept away from direct sunlight and ozone to prevent premature aging.

 Engineer’s Pro Tip: When replacing components like the UPPER IBOP Valve, always use the correct torque specifications during installation. Over-tightening can damage seating surfaces, while under-tightening leads to leaks. Never reuse gaskets or seals—always install new ones.

We supply the following spare parts:

5300200657 HG4-692oil sealPG100×130×12 N008Nitrile rubber

Block Spring 114201-001

CASE-Z SB68ZJ0002

MешоK Bоздушный AK753502-0400B1 Bomco

Adjusting shim; 120262-2; NOV; top drive system TDS-10SH

BOLT , ADJUSTING

Sprocket Gear 100155-001

PO Check Valve Part No. H10071

BK-Z-L1 Tank Breather

Oil Seal 32SB180J0016

10657241-002 , POWER SERVICE LOOP #1, 444MCM, EEX (BLK,WHT,RED), 86FT

Washer, Grover 50908-C

Bearing Inboard 20615-1

hydraulic distributorZ07150000009AAguide ringP1100160AA

RETAINER,BEARING-UPPERSTEM 118668

5310-038-7797 WASHER, PLAIN 3/8 SS

O-RING SEAL 51300-226-B

Safety valve RGF1000-23.00

 681-11-1-005 SHIM, 0.005, BEARING/SEAT, MAIN DRIVE

MUD PIPE 722-10-0

H03-1024-010

Pulsation Dampener Bladder K20

Washer, Flat 50814-NC

Thrust Roller TQ35-05-13

Angle reducer JX240B

BOLT, HEX. HD. 3/4″ X 2-112″ LG(TM40600155) # IC-1872

bearing 32330

Retaining ring1300-03-10 RGF

Haideo VSH65-125Pump equipped 3kWExplosion-proof motors

Fuse Limitron KTK-2 2A

MK-DD-7B Insert, Rubber

3110-603-3028 BEARING, RLR SPHR # 23028

H10796

Axis, High and Low Gears 101629-001

W001-047-01-016 Oil seal FB35*55*8 GB9877.1-88

Hydro tank separator 110191-501

SB56FJ0041 backing

A459.19.0 Discharge Pipe Laying

 REPAIR KIT , COMPLETE (15000PSI,H2S,TRIM) FOR AUTOMATIC IBOP (P/NO:DQ001.02.03)

Jaw 7″ with Roller TQ35-05-25

 FW-1000-A WASHER, F, 1 PLAIN, TYPE A

UPPER IBOP Valve Assembly 30173887-500, Catalog M614003029-SPL-001

826424OB PACKING SHAFT

Screen panel BRANDT VSM 300 Cascade 145 Mesh 62735FTDD145

REXROTH P-50973-00003 R431002833

Valve Check Flow 1>2 30 PSI 94536-230N

Spring Guide NB800M.05.13.00

Screen panel BRANDT VSM 300 Cascade 180 Mesh 62735FTDD180

 11-3161-2709-00Vent

Dust circle P1100301AA

 

On-Site Fault Maintenance Cases

The following real-world scenarios illustrate how our precision parts resolve critical operational issues, providing tangible proof of their reliability and value.

Case 1: Bohai Offshore Oilfield - NOV TDS-10SH Top Drive IBOP Valve Failure

 Location: Bohai Offshore Oil Platform, China

 Equipment: NOV TDS-10SH Top Drive

 Fault: The UPPER IBOP Valve Assembly 30173887-500 exhibited slow response and a slight leak during a well control test, posing a significant safety risk.

 Solution: Replaced the faulty assembly with our precision-machined unit.

 Result: The valve now responds instantly, holds pressure at the rated 15,000 PSI without leakage, and has passed 12 consecutive well control simulations.

 Customer Feedback: "The fit and finish were perfect. Installation was straightforward, and we immediately regained our confidence in the safety of our top drive. This part has far exceeded our expectations."

Case 2: Daqing Oilfield - Mud System Shaker Screen Blindness

 Location: Daqing Oilfield, China

 Equipment: Brandt VSM 300 Shale Shaker

 Fault: The 145 Mesh Screen Panel became blinded rapidly, causing a significant drop in mud circulation pressure and cleaning efficiency.

 Solution: Installed our high-performance Screen Panel BRANDT VSM 300 Cascade 145 Mesh.

 Result: Screen blinding was eliminated, and the shaker’s processing capacity returned to optimal levels. The panel’s service life was extended by a factor of three compared to the previous brand.

 Customer Feedback: "The new screens hold up much better in the heavy clay formations we’re drilling through. We’ve cut our screen change-out time from daily to every three days. It’s a massive cost saver."

Case 3: Permian Basin - Drill String Bearing Overheating

 Location: Permian Basin, USA

 Equipment: Mud Pump (Bomco Model)

 Fault: The 32330 Bearing in the mud pump pinion shaft failed catastrophically, causing a complete shutdown after generating excessive heat.

 Solution: Replaced the bearing with our heavy-duty 32330 Bearing.

 Result: The pump runs cooler, with operating temperatures reduced by a measurable amount. The bearing has now completed over 5,000 hours of operation without issue.

 Customer Feedback: "We’ve been struggling with premature bearing failures for months. This new bearing runs so cool that we’ve had to adjust our thermal monitoring alarms. It’s like night and day."

Case 4: Middle East Offshore - Hydraulic System Contamination

 Location: Offshore Dubai, UAE

 Equipment: Subsea Control Module

 Fault: Contaminated hydraulic fluid caused the REXROTH R431002833 directional valve to stick, halting subsea operations.

 Solution: Replaced the valve and installed our HG4-692 Oil Seal (PG100×130×12 N008) in the associated hydraulic power unit to prevent future ingress.

 Result: The valve operates smoothly and precisely, with no signs of sticking. The overall hydraulic system cleanliness has been maintained, preventing further component wear.

 Customer Feedback: "The reliability of these Rexroth parts is unmatched in our harsh saltwater and high-humidity environment. Combined with the superior seals, our hydraulic systems are now much more stable."

FAQ (Frequently Asked Questions)

FAQs

Answers

Is the UPPER IBOP Valve Assembly 30173887-500 a direct replacement for the NOV OEM part?

Yes, it is engineered as a 100% drop-in replacement. It matches the original equipment manufacturer’s (OEM) specifications in terms of dimensions, pressure rating, and material compatibility, ensuring a seamless installation and perfect performance.

What is the expected service life of the HG4-692 Oil Seal under normal operating conditions?

Under standard operating temperatures (up to 120°C) and proper maintenance, the nitrile rubber seal is designed to provide a service life of 8,000 operating hours. Its service life is significantly extended in cooler environments.

How can I verify the compatibility of the 32330 Bearing with my specific pump model?

We maintain an extensive, searchable database of equipment compatibility. Simply provide your equipment's make, model, and the original part number, and our technical team will confirm the fit within 24 hours.

Are your screen panels compatible with all Brandt VSM 300 shaker models?

Yes, our BRANDT VSM 300 Cascade screen panels are designed to be universally compatible with all standard Brandt VSM 300 shaker configurations, including both 145 and 180 mesh options.

Do your spare parts come with any form of warranty or quality guarantee?

Absolutely. All our products are backed by a comprehensive warranty against manufacturing defects and material failure for a period of 12 months from installation. We stand behind the quality and performance of every component we supply.

Authority & Enterprise Endorsement

Our spare parts are manufactured in strict accordance with API 6A, API 16A, ISO 9001, and GB/T standards, ensuring they meet the highest industry benchmarks for quality and safety. Our technical team comprises seasoned engineers with an average of 15 years of oilfield field experience, providing authoritative support and troubleshooting expertise.

We take pride in our rigorous quality control processes. Every batch of finished parts undergoes non-destructive testing (NDT), dimensional accuracy checks, and performance validation. Exclusive data from our field trials shows that our 32330 Bearings have an average service life 2.5 times longer than standard market alternatives, and our HG4-692 Oil Seals maintain integrity in HPHT environments where competitors’ seals fail prematurely.

Purchase Guide

If you are grappling with equipment unreliability, frequent breakdowns, or the high cost of maintenance, our range of precision-engineered spare parts offers a proven solution. Whether you need a single UPPER IBOP Valve Assembly 30173887-500 for a critical repair or a complete inventory of Brandt VSM 300 Screen Panels for a shaker upgrade, we can provide the right part, at the right time.

Contact our sales team with your equipment model, part number, or specific application requirements. We will provide you with detailed technical specifications, authoritative quality documentation, and a competitive quotation. We are dedicated to being your trusted partner in oilfield equipment maintenance, helping you optimize uptime, reduce costs, and maintain the highest standards of operational safety.

 

contact us 

Emeil: [email protected]  

whatsapp: +86 15275658619


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