30113165 Popoff Relief Valve & 110191 Series Hydraulic Reservoir Bladder Top Drive Component

1. Product Overview & Core Application Purpose

This full-spectrum hydraulic component set features 30113165 popoff relief valves, 4/5-gallon 110191 reservoir bladders, 110067 hydraulic oil reservoir assemblies and complete supporting piping, sealing and fastening hardware, professionally produced for top drive drilling rig hydraulic reservoir pressure stabilization and pipeline safety protection systems. It precisely meets the refined maintenance, seasonal overhaul and hydraulic system optimization demands of offshore platform hydraulic technicians and onshore drilling equipment maintenance teams. This product lineup solves frequent field pain points including hydraulic system overpressure surge, reservoir bladder fatigue bulging, pipeline joint fluid leakage, poor oil contamination filtration and fastener loosening under long-term vibration. All components comply with API 7K top drive mechanical specifications and SAE J1926 hydraulic connection standards, validated through 17000 continuous pressure cycle tests and 2000-hour fluid medium aging tests, delivering stable pressure regulation and sealing performance. It serves as standardized procurement reference criteria and practical technical troubleshooting guidelines for daily maintenance of top drive hydraulic systems.

2. Product Introduction

The complete product portfolio covers four core functional modules: hydraulic pressure regulation components, reservoir energy storage units, pipeline connection and filtration parts, and sealing fastening accessories. Core pressure control parts include 30113165 popoff relief valves and 53250-5 relief valves, undertaking system overpressure protection and pressure stabilization tasks. Reservoir system assemblies consist of 4-gallon and 5-gallon 110191 bladders, 110067 hydraulic oil reservoirs, 111915 reservoir top covers and 71613 reservoir breathers, forming complete hydraulic energy storage and oil storage structures. Pipeline parts cover multi-spec 37-degree flare elbows, O-ring boss connectors, pipe plugs, 108119-16B sight gauges and 107865-16 sump strainers for fluid monitoring and impurity filtration. Supporting accessories include O-rings, gaskets, lock washers, hex screws, jam nuts, red thread locking compound and safety cable kits, realizing full-position matching replacement for top drive hydraulic systems.

3. Functional Description

Popoff relief valves actively release abnormal system overpressure to avoid pipeline rupture and component damage caused by pressure surge, maintaining hydraulic circuit pressure within safe working range. Reservoir bladders balance instantaneous hydraulic pressure fluctuation, store system residual pressure and compensate for pressure loss during equipment operation, effectively solving slow hydraulic response and insufficient power output. Reservoir breathers balance internal and external air pressure to prevent negative pressure oil suction blockage and isolate external dust invasion. Sump strainers and sight gauges realize real-time fluid impurity filtration and liquid level observation, assisting technicians in judging hydraulic oil operating status. Multi-spec pipeline connectors and sealing parts ensure zero-leakage connection of hydraulic circuits, while anti-loose fastening hardware and locking compound maintain structural stability under high-frequency vibration.

4. Structural Characteristics

All relief valve internal valve cores adopt precision grinding technology, maintaining sensitive pressure induction and reset performance after 17000 pressure cycle tests without jamming failure. Reservoir bladders use high-elasticity oil-resistant polymer materials, resisting fatigue deformation under long-term alternating pressure impact. 37-degree flare pipeline structures achieve standardized high-tightness matching, reducing fluid leakage risk at connection joints. Sight gauges adopt high-transparency pressure-resistant panels, adapting to long-term high-pressure oil immersion without fogging or cracking. Red thread locking compound provides lasting anti-loose protection for high-vibration environments, with bonding stability far exceeding ordinary thread adhesives in oilfield working conditions.

5. Applicable Working Conditions

This component suite adapts to onshore desert high-temperature drilling sites, offshore salt spray humid platforms and conventional deep well drilling working environments, fully compatible with mainstream top drive hydraulic reservoir and pressure regulation systems. It stably operates in ambient temperatures ranging from -30℃ to 65℃, supporting 24-hour uninterrupted variable pressure hydraulic circulation operation. All parts resist hydraulic oil corrosion, pressure alternating fatigue and environmental salt spray erosion, meeting long-cycle and high-intensity operational maintenance demands of oil and gas drilling projects.

6. On-Site Maintenance & Engineer Practical Suggestions

Professional field hydraulic engineers recommend testing relief valve pressure sensitivity every 400 operating hours to clean internal impurity deposits and avoid valve core jamming. Replace aging reservoir bladders after 9500 continuous working hours to prevent bulging and air leakage failure. Clean sump strainer impurities monthly to guarantee unobstructed fluid circulation. Reapply red thread locking compound during fastener assembly for offshore units to enhance vibration resistance. Check sight gauge tightness and breather ventilation status regularly to ensure real-time liquid level monitoring and stable internal and external pressure balance.

We supply the following spare parts:

50008-12-SD SCREW, CAP-HEX HEAD
110013 BRACKET
82570 ADHESIVE. RUBBER
110078-L18 CABLE, SAFTY (0.032) (NOT SHOWN)
110078-FL2 CABLE, SAFTY (FERRULE) (NOT SHOWN)
56506-8-6-S ELBOW, 90* EXT/37″
56506-12-12S ELBOW, 90’ EXT/37’
30113165 VALVE, RELIEF-POPOFF
53000-12-S PLUG, PIPE
108119-16B SIGHT GAGE
71613 RESERVOIR BREATHER
53418 CAP. PLASTIC PIPE 1 5/16 SAE
53406 CAP. PLASTIC PIPE 9/16 SAE
53415 CAP, PLASTIC PIPE 1 1/16 SAE
56506-16-16S ELBOW, 90’ EXT/37-
107865-16 STRAINER, SUMP
50904-S WASHER, LOCK-REGULAR
50004-5-SD SCREW, CAP-HEX HEAD (UNC-2A)
50004-10-SD SCREW, CAP-HEX HEAD (UNC-2A)
51300-038-B O-RING
110132 GASKET
111915 COVER TOP, RESERVOIR
110191-501 BLADDER. RESERVOIR (5 GALLONS)
110191-500 BLADDER, RESERVOIR (4 GALLONS)
110067 RESERVOIR, HYDRAULIC OIL
53250-5 RELIEF VALVE
112809-04 CAP
112809-06 CAP
56519-8-6-S ELBOW, 0-RING BOSS/37-
56529-8-4-S CONNECTOR. O-RING BOSS/37-
56529-8-6-S CONNECTOR. O-RING BOSS/37-
51437-20-S PIN, COTTER
50516-C NUT, HEX-SLOTTED
50320-C NUT, HEX-JAM
50020-24-C5D SCREW, CAP-HEX HD
112754-116 BUSHING, FLANGED
119124 STOP
53200-271 LOCKING. COMPOUND (RED)
51222-05-12 PIN, SPIRAL
124029 SHAFT, PIVOT-LOCKING PIN
119359 RETAINER. OIL SEAL
53002-12-C PLUG, PIPE, SQ. HEAD
112754-130 BEARING, FLANGED
115176 BUSHING
56531-8-S PLUG, O-RING BOSS
112809-08 CAP
56529-8-8-S CONNECTOR, O-RING BOSS/37-
Z6001 LOCKWIRE, 0.051
53000-4-C PLUG, PIPE, C’SUNK HEX
53201 FITTING, GREASE

7. Field Fault Maintenance Cases

Case 1: Offshore Platform Hydraulic System Overpressure Alarm

Oilfield Location: South China Sea Offshore Drilling Platform
Failed Model: 30113165 Popoff Relief Valve
Working Load: Long-term variable pressure hydraulic circulation load
Fault Data: Valve core clogging caused delayed pressure relief and frequent system overpressure alarms
Repaired Index: Pressure relief response restored to factory standard, no abnormal pressure surge
Customer Feedback: The original relief valve completely solves overpressure hidden dangers and stabilizes hydraulic system operation.

Case 2: Onshore Rig Hydraulic Pressure Insufficient Fault

Oilfield Location: Xinjiang Deep Well Drilling Site
Failed Model: 110191-501 5-Gallon Reservoir Bladder
Working Load: Long-term alternating pressure impact load
Fault Data: Bladder fatigue deformation caused poor pressure storage and system pressure loss
Repaired Index: Hydraulic pressure buildup speed and holding capacity fully restored
Customer Feedback: High-elasticity bladder effectively improves hydraulic power stability and eliminates weak operation faults.

Case 3: Hydraulic Pipeline Joint Micro-Leakage

Oilfield Location: Bohai Offshore Workover Platform
Failed Model: 56506-8-6-S 90-Degree Flare Elbow & 51300-038-B O-Ring
Working Load: Long-term 28MPa high-pressure hydraulic load
Fault Data: Aging sealing ring caused joint micro-leakage and slow oil consumption
Repaired Index: Pipeline joint zero leakage, stable system pressure holding
Customer Feedback: Matched pipeline fittings and seals thoroughly resolve hydraulic fluid leakage problems.

Case 4: Hydraulic Oil Circuit Blockage Fault

Oilfield Location: Northeast China Low-Temperature Oilfield
Failed Model: 107865-16 Sump Strainer
Working Load: Long-term impurity mixed hydraulic oil circulation load
Fault Data: Strainer blockage caused poor fluid circulation and slow equipment response
Repaired Index: Oil circuit unobstructed, hydraulic action response speed restored to normal
Customer Feedback: High-precision strainer effectively purifies hydraulic oil and protects system precision parts.

8. Frequently Asked Questions (FAQ)

9. Procurement & Technical Reference Guidance

This integrated suite of 30113165 pressure relief valves, 110191 series reservoir bladders, hydraulic reservoir assemblies and full-spec pipeline sealing fastening hardware provides systematic and high-reliability solutions for top drive hydraulic system pressure stabilization, leakage prevention and fluid purification maintenance. With authoritative industry standard compliance, 17000-cycle verified pressure resistance durability and rich frontline oilfield maintenance experience, the product portfolio serves as reliable standardized procurement benchmarks and professional technical fault-solving references for drilling engineering projects. We support accurate model matching and personalized component combination schemes according to actual equipment parameters, field working environments and overhaul cycles, delivering professional product selection and technical support to stabilize top drive hydraulic system operation and reduce overall field maintenance costs.