GH3101-08.00 Liner Spraying Assembly for Honghua Mud Pump HHF-1000

1

GH3101-08.01.00A

Shield

Carbon steel Q235B (surface anti-corrosion treatment)

1. Impact from external debris during transportation/operation; 2. Corrosion from mud and moisture.

1. Install protective covers during transportation; 2. Regularly clean surface mud and apply anti-rust coating; 3. Inspect for deformation before each startup.

2

GH3101-08.01.00

Shield (Standard Type)

Carbon steel Q235B (surface anti-corrosion treatment)

1. Vibration fatigue during long-term pump operation; 2. Abrasion from dust accumulation.

1. Check tightness regularly to reduce vibration; 2. Clean dust weekly to avoid abrasive wear; 3. Replace if cracks exceed 5mm.

3

GH3101-08.11

Connection Plate

Medium carbon steel 45# (quenched and tempered)

1. Stress concentration from improper installation; 2. Wear at bolt holes due to repeated disassembly.

1. Torque bolts according to standard (45-50N·m); 2. Use thread lubricant during disassembly; 3. Inspect bolt hole ovality quarterly.

1

GH3101-08.02

Belt pulley

Gray cast iron HT200

1. Belt slippage causing groove wear; 2. Imbalance leading to vibration and bearing damage.

1. Adjust belt tension to 5-8mm deflection under 100N force; 2. Perform dynamic balance inspection annually; 3. Replace if groove depth wears more than 1mm.

2

GB117-74

V belt: A3150

Chloroprene rubber (reinforced with polyester cord)

1. Over-tension or under-tension leading to fatigue; 2. Oil contamination causing rubber aging.

1. Maintain standard tension; 2. Clean oil stains immediately to avoid rubber degradation; 3. Replace belts in sets to ensure uniform load.

1

GH3101-08.04

Short connector：NPT1-1-11 1/2NPSC

Stainless steel 304

1. Erosion from high-speed mud particles; 2. Thread damage from over-tightening.

1. Apply thread sealant (PTFE) before installation; 2. Torque according to NPT standard (35-40N·m); 3. Inspect for erosion pits monthly.

2

GH3101-08.05

Connector ：NPT1

Stainless steel 304

1. Corrosion from acidic/alkaline mud; 2. Seal failure due to thread deformation.

1. Avoid contact with strong corrosive media; 2. Check thread integrity before installation; 3. Replace if thread pitch deviation exceeds 0.1mm.

3

GH3101-08.06

Connector：1-11 1/2NPSC (1/4-12UNF-2A)

Stainless steel 304

1. Wear at UNF thread interface; 2. Fatigue from pressure fluctuations.

1. Use UNF-specific wrenches for installation; 2. Monitor system pressure (not exceeding 16MPa); 3. Tighten quarterly to compensate for thread relaxation.

4

GH3101-08.07

Connector ：NPT2 1/2

Stainless steel 304

1. High-pressure impact leading to seal ring damage; 2. Abrasion from solid particles in mud.

1. Replace seal rings every 6 months; 2. Install a filter to reduce solid particle content; 3. Avoid sudden pressure spikes.

5

GH3101-08.08

Short connector：NPT2 1/2

Stainless steel 304

1. Bending fatigue from pipeline vibration; 2. Thread corrosion in humid environments.

1. Secure pipelines to reduce vibration; 2. Apply anti-corrosion grease to thread ends; 3. Inspect for bending deformation monthly.

6

GH3101-08.10

90°elbow NPT1

Stainless steel 304

1. Eddy current erosion at elbow inner wall; 2. Stress concentration from pipeline misalignment.

1. Ensure pipeline alignment during installation; 2. Use wear-resistant inner lining for severe working conditions; 3. Inspect inner wall for erosion annually.

7

GH3101-08.15

Flange NPT1

Stainless steel 304

1. Gasket damage from uneven flange pressure; 2. Bolt loosening due to vibration.

1. Torque bolts uniformly in diagonal order; 2. Replace gaskets with compatible materials; 3. Check flange flatness if leakage occurs.

8

Q11F-16

Internal thread ball valve：1-11 1/2NPSC

Brass (valve core: stainless steel 304)

1. Valve core wear from particle erosion; 2. Seal failure due to mud accumulation.

1. Open/close valve slowly to reduce particle impact; 2. Flush valve regularly to remove mud; 3. Inspect valve seat seal annually.

1

GH3101-08.08 (Hose)

Hose：L=1500

Synthetic rubber (inner layer: nitrile rubber; reinforcement: steel wire braid)

1. Aging from high temperature and chemical corrosion; 2. Fatigue from repeated bending.

1. Avoid contact with high-temperature surfaces (above 80℃); 2. Maintain bending radius ≥10×hose diameter; 3. Replace every 12 months or if surface cracks appear.

2

Hose (L=480)

Hose：L=480

Synthetic rubber (inner layer: nitrile rubber; reinforcement: steel wire braid)

1. Pressure fatigue from frequent system startup/shutdown; 2. Abrasion from contact with other components.

1. Avoid excessive pressure (≤16MPa); 2. Install protective sleeves at contact points; 3. Inspect for bulging before each use.

3

GH3101-08.09.00

Hose joint：φ22×φ37

Carbon steel 20# (nickel-plated surface)

1. Loosening from vibration leading to leakage; 2. Plating wear causing corrosion.

1. Tighten with a torque wrench (30-35N·m); 2. Avoid dragging hoses by joints; 3. Touch up plating if worn to prevent corrosion.

4

Clamp：No：3

Clamp：No：3

Carbon steel (galvanized surface)

1. Fatigue from repeated clamping; 2. Rusting in humid environments.

1. Do not over-clamp (avoid hose deformation); 2. Inspect for rust monthly; 3. Replace if clamping force decreases.

5

90°elbow：NPT2 1/2

90°elbow：NPT2 1/2

Stainless steel 304

1. Inner wall erosion from high-velocity fluid; 2. Thread damage during installation.

1. Align pipelines before installation; 2. Use thread sealant for enhanced sealing; 3. Inspect for erosion every 6 months.

1

GH3101-08.03.04

Nut：5/8-11UNC-2B（SPL）

Carbon steel 10B21 (heat-treated)

1. Thread wear from repeated disassembly; 2. Loosening due to vibration.

1. Use lock washers to prevent loosening; 2. Apply thread lubricant during disassembly; 3. Replace if thread stripping occurs.

2

American standard (item 18)

Holding Screw：5/16-18UNC-2A×25

Alloy steel 40Cr (quenched and tempered)

1. Shear failure from excessive torque; 2. Corrosion from mud and moisture.

1. Torque according to standard (15-20N·m); 2. Apply anti-rust coating after installation; 3. Inspect for shear cracks monthly.

3

American standard (item 23)

Bolt：5/8-11UNC-2A×50

Alloy steel 40Cr (quenched and tempered)

1. Fatigue from alternating vibration; 2. Thread corrosion in harsh environments.

1. Tighten in diagonal order for uniform stress; 2. Use anti-corrosion thread sealant; 3. Replace bolts every 18 months.

4

GB/T93-1987

Washer：16

Carbon steel 65Mn (heat-treated)

1. Deformation from excessive pressure; 2. Rusting leading to reduced load-bearing capacity.

1. Match washer size with bolt specification; 2. Replace if deformation exceeds 0.2mm; 3. Store in dry environment to avoid rust.

5

GB/T848-1985

Flat Washer：16

Carbon steel Q235B

1. Abrasion from friction with components; 2. Bending from improper installation.

1. Ensure flat installation surface; 2. Replace if surface roughness exceeds Ra1.6μm; 3. Do not reuse deformed washers.

6

American (item 26)

Bolt：1/2-13UNC-2A×40

Alloy steel 40Cr (quenched and tempered)

1. Thread damage from cross-threading; 2. Fatigue under long-term high load.

1. Align threads before tightening to avoid cross-threading; 2. Monitor load to avoid overloading; 3. Inspect thread integrity before reuse.

7

GB/T93-1987

Washer：14

Carbon steel 65Mn (heat-treated)

1. Rusting in humid/muddy environments; 2. Wear from repeated disassembly.

1. Apply anti-rust oil after use; 2. Replace if rust covers more than 30% of surface; 3. Use proper tools to avoid scratches.

8

GB/T96-1985

Flat Washer：14

Carbon steel Q235B

1. Deformation from uneven pressure; 2. Abrasion from vibration-induced friction.

1. Tighten bolts uniformly; 2. Clean washer surface before installation; 3. Replace if thickness wear exceeds 0.1mm.

9

American standard (item 29)

Bolt：1/2-13UNC-2A×60

Alloy steel 40Cr (quenched and tempered)

1. Shear failure from misalignment; 2. Corrosion from chemical substances in mud.

1. Ensure bolt alignment with mounting hole; 2. Avoid contact with strong chemicals; 3. Inspect for corrosion monthly.

10

American standard (item 30)

Nut：1/2-13UNC-2B

Carbon steel 10B21 (heat-treated)

1. Thread stripping from over-tightening; 2. Wear from repeated use.

1. Use torque wrench to control tightening force; 2. Replace if thread pitch is damaged; 3. Pair with compatible bolts only.

1

GH3101-08.03.00

Seat assembly

Carbon steel 45# + copper alloy (bushing)

1. Wear at bushing due to lack of lubrication; 2. Misalignment leading to uneven stress.

1. Add lubricating grease every 3 months; 2. Check alignment during installation; 3. Replace bushing if wear exceeds 0.3mm.

2

GH3101-08.12.00

Water case

Gray cast iron HT250 (anti-rust coated)

1. Corrosion from water and mud; 2. Crack formation from thermal shock.

1. Drain water when not in use to avoid corrosion; 2. Avoid rapid temperature changes; 3. Inspect for cracks regularly with dye penetrant testing.

3

GH3101-08.13.00

Case cover

Gray cast iron HT250 (anti-rust coated)

1. Gasket wear leading to leakage; 2. Impact damage during maintenance.

1. Replace gasket every 6 months; 2. Handle with care during maintenance to avoid impact; 3. Tighten bolts uniformly.

4

GH3101-08.14

Shim set

Spring steel 65Mn (precision ground)

1. Deformation from excessive pressure; 2. Wear from friction with mating surfaces.

1. Select appropriate shim thickness for precise adjustment; 2. Avoid overloading shims; 3. Clean mating surfaces before installation.

5

32PL

Spraying pump

Cast steel ZG230-450 (pump core: stainless steel 316)

1. Impeller wear from particle erosion; 2. Seal failure due to inadequate maintenance.

1. Replace impeller every 24 months; 2. Check seal integrity monthly; 3. Use clean fluid to reduce particle wear.

1

What is the compatibility of these parts with other mud pump models?

All parts are exclusively designed for Honghua mud pump HHF-1000. Do not use them on other models, as dimensional and pressure-bearing differences may cause assembly failure or safety hazards.

2

How to extend the service life of hoses in harsh drilling environments?

Avoid bending beyond the minimum radius, install protective sleeves at contact points, clean surface mud regularly, replace hoses every 12 months, and maintain system pressure below 16MPa to prevent fatigue and aging.

3

What standards do the fasteners comply with, and why is this important?

Fasteners comply with American UNC/UNF standards and Chinese GB/T standards. Standard compliance ensures uniform thread precision, sufficient torque-bearing capacity, and compatibility with the assembly, avoiding loosening or shear failure under high vibration.