20 Mar 2026

HH8S297WV Pneumatic Valve, REB1IS-222 Converter

Equipment Compatibility & Target User Segmentation

This professional lineup of heavy-duty spare parts isprecision engineered for direct OEM replacement on XJ-450 workover rigs, ZJ-50/315 drilling rigs, 3NB-1300F/1600F mud pumps, TC158 5X4 crown blocks, JC21D drawworks drums, WCB324 dynamic clutches, and Mission/Scomi fluid power equipment, alongside Cummins, Doosan, MTU power units and YUKEN hydraulic assemblies. It caters to oilfield field maintenance technicians, drilling asset managers, industrial procurement specialists, hydraulic/pneumatic engineers, and rig aftermarket distributors — users facing urgent pain points: unplanned rig downtime from faulty valves/seals, mismatched aftermarket components, unstable hydraulic/pneumatic pressure, premature bearing/gear wear, and inefficient fluid filtration that drives up maintenance costs and halts operations.

Core Purpose Statement

These rigorously inspected spare parts are built to solve critical operational challenges in oil and gas drilling, industrial hydraulics, and power transmission: regulating stable pneumatic/hydraulic flow, sealing high-pressure fluid circuits, filtering lubricating/fuel oils to reduce wear, converting electrical signals accurately, and supporting heavy-load rotating assemblies. Backed by full dimensional verification and industrial-grade material certification, every part delivers a 99.7% OEM fitment rate and 30% longer service life than generic alternatives, fulfilling the core user need for durable, quick-install, standards-compliant replacement parts that minimize downtime, cut long-term maintenance expenses, and keep critical drilling and power equipment running reliably in harsh field conditions.

Structured Product Description

Product Introduction

This comprehensive portfolio features over 40 mission-critical components spanning pneumatic/hydraulic control, filtration, sealing, transmission, electrical, and rig-specific categories, with flagship models including HH8S297WV pneumatic valve, REB1IS-222 Reliance converter, 100107996 oil filter, and Scomi SCM-G0006033 oil seal kit. Each part is fabricated from high-performance materials (wear-resistant rubber, hardened alloy steel, corrosion-resistant alloys, high-efficiency filter media) and complies with API, QB, and international industrial standards. All components undergo 100% pressure testing, leakage testing, and tolerance inspection to ensure seamless, modification-free installation on original equipment.

Function Description

 Pneumatic & Hydraulic Control Parts: HH8S297WV/ HH8S294WV valves regulate air intake and flow; YUKEN solenoid valves control hydraulic circuit direction; pressure regulators and gauge assemblies monitor system pressure for ZJ-50/315 rigs, maintaining stable operating parameters.

 Filtration Components: P550959 fuel filters, MTU31845301 lube oil filters, and 100107996 oil filters remove contaminants, metal shavings, and sediment from fuel and lubrication systems, extending oil service life by 25% and reducing component abrasion.

 Sealing Components: Scomi oil seals, O-rings, mechanical seals, and gasket sets provide zero-leak sealing for mud pumps, hydraulic motors, and power units, resisting high pressure, temperature fluctuations, and drilling fluid corrosion.

 Transmission & Structural Parts: Main bearing bolts, crown block/drawworks bearings, crossheads, and sprockets support heavy radial/axial loads, ensuring smooth power transmission for drilling rig lifting and rotating systems.

 Electrical Parts: REB1IS-222 signal converters, thermo relays, and PMS control boards deliver stable electrical signal conversion and circuit protection, ensuring reliable operation of rig control systems.

Structure Characteristics

 Precision Tolerance Design: Critical sealing, bearing, and mounting surfaces hold ±0.01mm dimensional accuracy, guaranteeing perfect alignment with OEM interfaces for XJ-450/ZJ-50 rigs and mud pumps.

 High-Wear & Corrosion Resistance: Bearing components use hardened alloy steel; sealing parts adopt oil-resistant, high-elasticity rubber; filter media uses multi-layer fiberglass for maximum contaminant capture.

 Modular Plug-and-Play Build: Seal kits, valve assemblies, and filter cartridges feature modular construction, reducing on-site replacement time by 35% compared to custom-fabricated parts.

 High-Pressure Compatibility: Core hydraulic/pneumatic parts are rated for up to 315 bar operating pressure, meeting the strict demands of high-pressure drilling and mud pump systems.

Applicable Operating Conditions

These components are engineered to perform reliably in extreme industrial and oilfield environments, including:

 XJ-450/ZJ-50/315 drilling rigs (onshore/offshore sites, pressure range 6-315 bar, temperature -40℃ to 120℃)

 3NB-1300F/1600F mud pumps and Mission wash pumps (exposure to abrasive drilling mud, high-frequency reciprocating motion)

 JC21D drawworks and TC158 crown blocks (continuous heavy-load lifting and rotating operations)

 Cummins/Doosan/MTU power units (high-temperature engine compartments, continuous heavy-duty operation)

 Hydraulic motor and clutch systems (high-torque, high-cycle working scenarios)

Maintenance & Care Recommendations

 Filter Components: Inspect fuel/oil/lube filters every 200 operating hours, replace cartridges every 800 hours; flush fluid circuits before installing new filters to remove residual debris.

 Valve & Sealing Parts: Check valves for leakage and seals for cracks/hardening quarterly; replace worn parts immediately to avoid pressure loss; lubricate valve spools and seal surfaces with compatible grease.

 Bearing & Transmission Parts: Lubricate bearings, crossheads, and sprockets with heavy-duty lithium grease every 400 hours; inspect bolt torque and bearing clearance monthly to prevent loosening and premature failure.

 Electrical Components: Inspect relays, converters, and control boards for dust/damage quarterly; calibrate signal converters annually to maintain accuracy.

 Storage Guidelines: Store parts in a dry, dust-free, ventilated area; retain original packaging to prevent corrosion, deformation, and contamination.

We supply the following spare parts:

Pneumatic valve HH8S297WV

Inlet valve HH8S294WV

PMS board MK8856364

Reliance converter REB1IS-222 Input: 15-60 VDC Output: 4-20 Ma

Main bearing bolt RGF1000-02.18/18A

Brushes for motor YZ008 DC-T900 25C14784P01

Hose assembly 25III-2500 hydraulic pump line 1101020086 XJ045SJHZC016 to XJ-450 unit

Thermo relay 3UA5940-2E

Liner flange AH1301010514

Rotary head hydraulic motor 30158011

Complete set of oil seal Scomi SCM-G0006033 Rubber

circlip 1.06.19.002

Gear Reducer with motor for L/S Silo inlet Belt Convoyer75KW,JZQ 805,Speed Ratio-48.57,Y280S-4

FLOW DEFLECTOR 350 E043967

40 guide rail centralizing device 1.05.04.01

Bearing 610102-00-1010 for drawworks drum JC21D

Ring RGF1000-05.20

Dynamic clutch for WCB324

Solenoid valve SS-G01-C6-R-C2-31 YUKEN

O-ring pump seal 23047185

Gasket rocker lever cover CUMMINS3067459

fuel filter P550959

Stone AH100101200300

Sprocket 9645-0043

Shaft Seal FM30.61-09

AF500202-011059 Emergency bolt

4301040032 Bearing 2007140

STEM 2 REQ D 3-82-3XRA

Lube oil filter MTU31845301

Bearing 2097128 for Crownblock TC158 5X4

100107996 OIL FILTER 56052202 100025975 56017247

HAMMERSEAL UNION COMPLETE ASSY 3″ PS300A

192017 K-SYSTEM KFD2-STC4-EX132 -192017

SENSOR PRESSURE,OIL 301309-00022

107-5869 Air dryer replacement

56036989 FUEL FILTER 56204714 

Seal ring GH3161-05.14/3NB-1300F/1600F

CANISTER O-RING 919350

Guide ring P1100160AA for hydraulic release Z07150000009AA

1.06.15.001 Oil seal

SEAL-MECHANICAL FOR MUD PUMP LINER WASH PUMP MISSION 22871-1

Crosshead RGF1000-04.01

Gasket LGF3101-28.06G Loadmaster

Piston rod API SA-4 AH1301020504

GASKET,FLYWHEEL DOOSAN,65.01904-0036

ZJ-50/315 DB17 pressure gauge Y-60Z

Rubber K-1117 1540142 Varco

Valve plate B105X3-3HUQB7201-92

Regulator 12VB.20.30.01

Mechanical seal RJ11148.09.13.02

 

On-Site Fault Repair Cases

Case 1: XJ-450 Rig Hydraulic Hose Failure

An XJ-450 rig suffered hydraulic pressure loss and fluid leakage due to a cracked 25III-2500 hydraulic hose assembly, halting rig actuation. Replacing the OEM-matched hose and 23047185 pump seal O-ring restored full hydraulic pressure, eliminating leakage and resuming drilling operations within 2 hours.

Case 2: 3NB-1600F Mud Pump Seal Failure

A 3NB-1600F mud pump experienced severe fluid leakage from worn mechanical seals and GH3161-05.14 seal rings, reducing pumping efficiency. Installing a new Mission mechanical seal and matching seal rings resolved leakage, extending pump maintenance intervals by 3 months.

Case 3: ZJ-50 Rig Pneumatic Valve Malfunction

A ZJ-50 rig’s air control system failed to regulate intake pressure due to a faulty HH8S297WV pneumatic valve and clogged air dryer. Swapping the pneumatic valve and 107-5869 air dryer replacement normalized air flow, fixing rig actuation delays and avoiding costly downtime.

Frequently Asked Questions (FAQ)

Question

Answer

Are these parts fully compatible with original XJ-450 and ZJ-50/315 drilling rigs?

Yes, all components are engineered to exact OEM specifications for XJ-450 and ZJ-50/315 rigs, with 100% direct fitment and no custom modifications required for installation.

What is the operating signal range of the REB1IS-222 Reliance converter?

The REB1IS-222 converter accepts 15-60 VDC input and outputs a stable 4-20 mA signal, designed for precise electrical signal conversion in rig control systems.

How do I select the correct seal for 3NB-1300F/1600F mud pumps?

Match the original part number (e.g., GH3161-05.14 seal ring, Mission 22871-1 mechanical seal) or cross-reference mud pump model and liner size to ensure perfect sealing and pressure resistance.

Closing Section: Procurement Guidance & Call to Action

This full series of drilling, hydraulic, and power spare parts serves as both a definitive procurement reference standard and a practical technical troubleshooting solution for XJ-450/ZJ-50 rigs, mud pumps, and industrial power assemblies. Every component is backed by authoritative material certifications, field-proven performance data, and strict quality control protocols, ensuring you source reliable parts that mitigate unplanned downtime risks and lower long-term maintenance costs. Whether you need emergency replacements for on-site rig repairs, routine maintenance inventory restocks, or bulk components for equipment overhauls, these direct-fit, high-durability parts align with global API and industrial safety standards. Invest in these precision-engineered spare parts to maintain optimal equipment performance, avoid costly operational disruptions, and keep your drilling and hydraulic systems running reliably in even the harshest oilfield conditions. Secure your supply of these certified components to meet your equipment’s exact replacement needs and uphold consistent operational efficiency.

 

contact us 

Emeil: [email protected]   whatsapp: +86 15275658619

Should you have any purchase intentions, please contact us – we will offer you our most favorable price.


Prosperity Petroleum Equipment

Quick Inquiry