Baoye FY-50Y BOP Handling System Spare Parts

1

FY50-01.04.02 Copper Bushing

High-Purity Red Copper (Cu-ETP, Cu 99.99%) with Graphite Impregnation for Self-Lubrication

Pulley

1. Sliding friction wear between the bushing and pulley shaft during rotation; 2. Abrasion from dust, sand, and drilling debris entering the fitting gap; 3. Fatigue deformation from long-term heavy-load bearing

1. Regularly inject lithium-based grease (NLGI Grade 2) into the bushing lubrication channel to reduce friction; 2. Install dust-proof seals at both ends of the pulley to prevent debris intrusion; 3. Inspect the bushing for excessive clearance (limit: ≤0.15mm) during routine maintenance; replace if exceeded

2

FY50-09.02 Lift Cable Φ28

High-Strength Carbon Steel Wire Rope (6×19S+FC, Grade 1770 MPa) with Galvanized Coating

BOP Handling System

1. Fatigue wear from repeated bending and tension during BOP lifting/lowering; 2. Abrasion from contact with pulley grooves and edge surfaces; 3. Corrosion from environmental moisture, drilling fluid splashes, and saltwater (offshore operations)

1. Regularly inspect the cable for broken wires (limit: ≤6 broken wires per 100mm length) and wear (diameter reduction ≤3%); replace if exceeded; 2. Ensure pulley grooves are smooth and match the cable diameter (Φ28) to avoid uneven wear; 3. Clean the cable with diesel oil and apply anti-rust grease after use, especially in offshore or high-humidity environments

3

GB276-82 Bearing 306

Inner/Outer Ring: Bearing Steel GCr15; Rolling Elements: GCr15; Cage: Low-Carbon Steel

Gear Reducer

1. Rolling friction wear from high-speed rotation in the gear reducer; 2. Lubrication failure leading to metal-to-metal contact and seizure; 3. Contamination of lubricating oil with metal particles from gear wear

1. Use industrial gear oil (ISO VG 220) that meets GB 5903-2011 standards; replace oil every 2000 operating hours; 2. Install a high-precision oil filter (filtration accuracy ≤10μm) to remove metal particles; 3. Monitor bearing temperature during operation (limit: ≤80℃); shut down for inspection if overheated

4

GB278-82 Bearing 60307

Inner/Outer Ring: Bearing Steel GCr15; Rolling Elements: GCr15; Cage: Nylon 66

Gear Reducer

1. High-speed rolling friction wear in the gear reducer's high-torque section; 2. Cage damage from shock loads during sudden start/stop of the system; 3. Corrosion from moisture intrusion into the gear reducer

1. Avoid sudden start/stop of the gear reducer; use soft start control to reduce shock loads; 2. Check the gear reducer's sealing performance regularly to prevent moisture intrusion; 3. Inspect the bearing for abnormal noise during operation; replace if rattling or grinding sounds occur

5

GB276-82 Bearing 106

Inner/Outer Ring: Bearing Steel GCr15; Rolling Elements: GCr15; Cage: Low-Carbon Steel

Pipe Hanger

1. Rolling friction wear during pipe hanger adjustment; 2. Light load fatigue from long-term static bearing; 3. Corrosion from environmental moisture and drilling fluid splashes

1. Apply a thin layer of anti-rust grease to the bearing surface during installation; 2. Regularly rotate the pipe hanger (monthly) to avoid static fatigue; 3. Clean the bearing with a dry cloth to remove drilling fluid residues after each use

6

GB301-84 Bearing 8205

Inner/Outer Ring: Bearing Steel GCr15; Rolling Elements: GCr15; Cage: Low-Carbon Steel

Pipe Hanger

1. Thrust friction wear from axial loads during pipe hanger operation; 2. Abrasion from dust and debris entering the bearing; 3. Lubrication loss due to seal failure

1. Use thrust bearing-specific lubricating grease (NLGI Grade 3) to withstand axial loads; 2. Install rubber seals to prevent debris intrusion; 3. Inspect the bearing's axial clearance regularly (limit: ≤0.08mm); adjust or replace if exceeded

7

GB276-82 Bearing 312

Inner/Outer Ring: Bearing Steel GCr15; Rolling Elements: GCr15; Cage: Low-Carbon Steel

Drive / Driven Wheel

1. Rolling friction wear from contact with the track/rail during system movement; 2. Shock load wear from uneven ground or sudden direction changes; 3. Corrosion from outdoor environmental factors (rain, humidity)

1. Ensure the track/rail surface is smooth and free of obstacles before operation; 2. Avoid sudden direction changes or rapid acceleration/deceleration to reduce shock loads; 3. Conduct regular anti-rust treatment (paint touch-up) on the bearing outer ring for outdoor installations

1

604-1034 J2K-160 Cycloid Motor

Housing: Alloy Steel 4140; Rotor/Stator: Alloy Cast Iron; Seals: Nitrile Butadiene Rubber (NBR)

Hydraulic System

1. Wear of rotor/stator teeth from high-pressure hydraulic oil drive; 2. Seal failure due to hydraulic oil contamination or thermal aging; 3. Bearing wear in the motor output shaft from radial loads

1. Use hydraulic oil that meets GB 11118.1-2011 (HM 46) standards; filter oil before use (filtration accuracy ≤10μm); 2. Monitor motor temperature during operation (limit: ≤90℃); avoid overloading the motor (torque ≤ rated torque); 3. Replace motor seals every 1500 operating hours to prevent oil leakage

2

DB10-2-30/315 Overflow Valve

Valve Body: Stainless Steel 304; Valve Core: Stellite Alloy; Spring: High-Strength Alloy Steel 60Si2Mn

Hydraulic System

1. Wear of valve core and seat from high-velocity hydraulic oil flow; 2. Spring fatigue from repeated compression-relaxation cycles; 3. Blockage of oil passages by contaminated hydraulic oil

1. Regularly clean the valve's oil passages to remove contaminants; 2. Calibrate the overflow pressure (per system rated pressure) every 1000 operating hours; 3. Inspect the spring for deformation or loss of resilience; replace if damaged

3

RVP10-10 Check Valve

Valve Body: Stainless Steel 304; Valve Core: Alloy Steel 4140; Seal Ring: Fluororubber (FKM)

Hydraulic System

1. Wear of valve core sealing surface from repeated contact with the valve seat; 2. Seal ring damage from hydraulic oil contamination or thermal aging; 3. Blockage by debris leading to valve jamming

1. Install a filter upstream of the check valve to prevent debris intrusion; 2. Check the valve's reverse sealing performance regularly (no leakage under rated pressure); 3. Replace the seal ring every 1200 operating hours or if oil leakage is detected

4

FD12FA12/B30 Compensation Valve

Valve Body: Alloy Steel 4140; Valve Core: Stellite Alloy; Spring: High-Strength Alloy Steel 50CrVA

Hydraulic System

1. Wear of valve core from high-pressure hydraulic oil flow regulation; 2. Spring fatigue from long-term pressure bearing; 3. Oil leakage due to seal damage

1. Avoid frequent and rapid adjustments of the compensation valve to reduce spring fatigue; 2. Inspect the valve's pressure compensation accuracy regularly; adjust if deviation exceeds ±5%; 3. Keep the hydraulic oil clean to prevent abrasive wear of the valve core

1

GB1235-76 O-ring 12x1.9

Nitrile Butadiene Rubber (NBR) 70 Shore A, Oil-Resistant & Wear-Resistant

Hydraulic System

1. Compression set (permanent deformation) from long-term high-pressure installation; 2. Swelling and degradation from exposure to incompatible hydraulic oil additives; 3. Cutting damage from sharp edges of sealing grooves during installation

1. Ensure the sealing groove is free of burrs; use a plastic installation tool to avoid direct contact with sharp edges; 2. Use hydraulic oil compatible with NBR (avoid phosphate ester-based oils); 3. Replace O-rings if they show signs of hardening, cracking, or swelling (compression set ≤20%)

2

GB1235-76 O-ring 16x2.4

Nitrile Butadiene Rubber (NBR) 70 Shore A, Oil-Resistant & Wear-Resistant

Hydraulic System

1. Abrasion from slight movement between sealed components during system operation; 2. Thermal aging from high-temperature hydraulic oil (exceeding 80℃); 3. Damage from improper installation (stretching or twisting)

1. Install the O-ring without stretching (match the groove size); avoid twisting during installation; 2. Monitor hydraulic oil temperature; ensure it does not exceed NBR's maximum service temperature (120℃); 3. Store spare O-rings in a cool, dry environment (15-25℃) away from direct sunlight

3

GB1235-76 O-ring 20x2.4

Nitrile Butadiene Rubber (NBR) 70 Shore A, Oil-Resistant & Wear-Resistant

Hydraulic System

1. Pressure extrusion damage from high hydraulic system pressure; 2. Corrosion from drilling fluid splashes (chemical contamination); 3. Oxidation from long-term storage in high-humidity environments

1. Ensure the O-ring's compression ratio is within the recommended range (15-20%); 2. Clean the sealed surface thoroughly to remove drilling fluid residues before installation; 3. Store spare O-rings in vacuum-sealed packaging to prevent oxidation

4

GB1235-76 O-ring 24x2.4

Nitrile Butadiene Rubber (NBR) 70 Shore A, Oil-Resistant & Wear-Resistant

Hydraulic System

1. Wear from repeated opening/closing of hydraulic valve connections; 2. Degradation from hydraulic oil contamination with metal particles; 3. Damage from over-tightening of fasteners during installation

1. Use a torque wrench to tighten fasteners per OEM specifications (avoid over-tightening); 2. Install a filter in the hydraulic system to remove metal particles; 3. Inspect the O-ring for wear after each valve disassembly; replace if necessary

5

GB1235-76 O-ring 30x3.1

Nitrile Butadiene Rubber (NBR) 70 Shore A, Oil-Resistant & Wear-Resistant

Hydraulic System

1. Fatigue wear from cyclic pressure fluctuations in the hydraulic system; 2. Swelling from exposure to drilling fluid (if seals are not properly protected); 3. Hardening from long-term static pressure bearing

1. Install protective covers to prevent drilling fluid from contacting the O-ring; 2. Relieve system pressure when the equipment is not in use to reduce static pressure on the O-ring; 3. Replace O-rings every 1000 operating hours as preventive maintenance

6

JB982-77 Combined Gasket 22

Metal Core: Carbon Steel 20; Sealing Layer: Flexible Graphite (Expanded Graphite), High-Temperature Resistant

Hydraulic System

1. Compression fatigue from long-term high-pressure installation; 2. Damage to the graphite sealing layer from mechanical impact during installation; 3. Corrosion of the metal core from environmental moisture

1. Install the gasket evenly, ensuring the metal core is not deformed by over-tightening; 2. Use a torque wrench to apply uniform tightening force (per OEM specs); 3. Store gaskets in a dry environment to prevent metal core corrosion

7

JB982-77 Combined Gasket 18

Metal Core: Carbon Steel 20; Sealing Layer: Flexible Graphite (Expanded Graphite), High-Temperature Resistant

Hydraulic System

1. Wear of the graphite layer from slight flange movement during system operation; 2. Damage from foreign particles (dust, metal shavings) between the gasket and flange; 3. Thermal aging of the graphite layer at high temperatures

1. Clean the flange surface thoroughly before installing the gasket to remove foreign particles; 2. Avoid operating the system at temperatures exceeding the gasket's maximum service temperature (250℃); 3. Replace the gasket if the graphite layer shows signs of peeling or crumbling

8

JB982-77 Combined Gasket 14

Metal Core: Carbon Steel 20; Sealing Layer: Flexible Graphite (Expanded Graphite), High-Temperature Resistant

Hydraulic System

1. Compression set from long-term static pressure; 2. Corrosion of the metal core from hydraulic oil leakage (if any); 3. Damage during storage (bending or stacking)

1. Store gaskets flat, avoiding bending or stacking heavy objects on them; 2. Inspect the gasket for metal core corrosion or graphite layer damage before installation; 3. Replace the gasket whenever the flange is disassembled, even if no visible damage is present