Quintuple Pump NB005 Parts

1

NB001.03.00

Pinion shaft assembly

Alloy steel 40CrNiMoA (quenched and tempered, surface carburized for wear resistance)

1. Gear tooth wear from meshing friction; 2. Fatigue cracking from high torque; 3. Bearing damage leading to shaft misalignment.

1. Maintain sufficient lubrication (follow lubrication system specs); 2. Inspect gear teeth for pitting monthly; 3. Replace if tooth wear exceeds 0.3mm or cracks are detected.

2

NB004.02.00

Crankshaft assembly

Alloy steel 35CrMoV (precision forged, heat-treated for fatigue resistance)

1. Journal wear from bearing friction; 2. Stress cracking from uneven load; 3. Corrosion from lubricant contamination.

1. Regularly replace lubricating oil and filter; 2. Balance test annually to avoid vibration; 3. Inspect journals for wear and regrind if needed.

3

NB005.01.00

Crosshead component

Alloy steel 45# (surface hard chrome plated, precision machined)

1. Sliding surface wear from reciprocating motion; 2. Seizure from insufficient lubrication; 3. Misalignment leading to uneven wear.

1. Ensure lubricant flow to sliding surfaces; 2. Align with crankshaft during assembly; 3. Inspect surface roughness quarterly and rework if needed.

1

NB004.11.00

Fluid end assembly

Carbon steel Q355B (inner surface wear-resistant alloy overlay)

1. Erosion from high-velocity fluid and impurities; 2. Corrosion from acidic/alkaline media; 3. Seal failure leading to leakage.

1. Filter fluid to remove large impurities; 2. Inspect inner surface for erosion pits annually; 3. Replace seals at recommended intervals.

2

NB005.06.00

Discharge five-way block assembly

Stainless steel 316 (thickened wall for high pressure, anti-corrosion)

1. Stress cracking from pressure fluctuations; 2. Thread wear from component assembly; 3. Corrosion from fluid contaminants.

1. Avoid sudden pressure spikes; 2. Apply high-pressure thread sealant during installation; 3. Clean internal channels regularly.

1

NB005.28.00

Spring safety valve

Stainless steel 316 (valve core: PTFE; spring: 50CrVA)

1. Spring fatigue from repeated pressure cycles; 2. Valve core wear from fluid impact; 3. Clogging from impurities leading to jamming.

1. Calibrate pressure relief threshold every 6 months; 2. Flush valve regularly to remove impurities; 3. Replace spring every 12 months.

2

HSV51-52-F-00-001A

Safety valve seat

Stainless steel 316 (precision ground for sealing)

1. Wear from safety valve contact; 2. Corrosion leading to poor sealing; 3. Damage from improper assembly.

1. Ensure precise alignment with the safety valve; 2. Inspect sealing surface for scratches; 3. Replace if leakage occurs after tightening.

3

NB001.04.00

Right guard

Carbon steel Q235B (surface galvanized for anti-corrosion)

1. Impact damage from debris; 2. Rusting in humid environments; 3. Deformation from improper handling.

1. Install firmly before operation; 2. Inspect for damage monthly; 3. Replace if structural integrity is compromised.

4

NB005.29.00

Left guard

Carbon steel Q235B (surface galvanized for anti-corrosion)

1. Impact damage from debris; 2. Rusting in humid environments; 3. Deformation from improper handling.

1. Install firmly before operation; 2. Inspect for damage monthly; 3. Replace if structural integrity is compromised.

5

NB004.12.00

Guard cover

Carbon steel Q235B (surface anti-rust paint)

1. Wear from vibration; 2. Paint peeling leading to corrosion; 3. Impact damage.

1. Secure tightly to avoid vibration-induced loosening; 2. Touch up paint if peeling; 3. Avoid collision with heavy objects.

1

NB001.01.07

Cover, motor mounting base

Carbon steel Q235B (precision machined for mounting accuracy)

1. Wear from motor vibration; 2. Corrosion from humid environments; 3. Deformation from improper mounting.

1. Align with motor base during installation; 2. Tighten fasteners evenly; 3. Inspect for deformation quarterly.

2

NB005.07.00

Skid assembly

Carbon steel Q355B (welded and stress-relieved)

1. Weld fatigue from transportation and vibration; 2. Corrosion from ground moisture; 3. Impact damage during handling.

1. Inspect welds for cracks annually; 2. Apply anti-corrosion coating to the base; 3. Use proper lifting equipment during movement.

1

NB005.05.00

Lubrication system assembly

Stainless steel 304 (tubes) + aluminum alloy (pump body)

1. Clogging from lubricant impurities; 2. Tube corrosion from moisture; 3. Pump wear leading to insufficient flow.

1. Replace lubricant and filter regularly; 2. Flush the system annually; 3. Inspect tube connections for leakage.

2

NB004.09.00

Spray system assembly

Stainless steel 304 (nozzles) + synthetic rubber (hoses)

1. Nozzle clogging from impurities; 2. Hose aging from heat; 3. Leakage from connection loosening.

1. Filter cooling fluid; 2. Inspect hoses for cracks monthly; 3. Clean nozzles regularly to maintain flow.

1

HBZ013.32

Rear cover plate

Carbon steel Q235B (surface anti-rust treated)

1. Wear from vibration; 2. Corrosion from moisture; 3. Deformation from uneven tightening.

1. Tighten fasteners evenly; 2. Clean surface regularly; 3. Replace if deformation causes poor sealing.

2

HBZ013.20

Side cover plate 2

Carbon steel Q235B (surface anti-rust treated)

1. Wear from vibration; 2. Corrosion from moisture; 3. Deformation from uneven tightening.

1. Tighten fasteners evenly; 2. Clean surface regularly; 3. Replace if deformation causes poor sealing.

3

HBZ013.48.00

Side cover plate 1 (right)

Carbon steel Q235B (surface anti-rust treated)

1. Wear from vibration; 2. Corrosion from moisture; 3. Deformation from uneven tightening.

1. Tighten fasteners evenly; 2. Clean surface regularly; 3. Replace if deformation causes poor sealing.

4

HBZ013.52.00

Side cover plate 1 (left)

Carbon steel Q235B (surface anti-rust treated)

1. Wear from vibration; 2. Corrosion from moisture; 3. Deformation from uneven tightening.

1. Tighten fasteners evenly; 2. Clean surface regularly; 3. Replace if deformation causes poor sealing.

5

NB005.20

Side cover plate 2 (left)

Carbon steel Q235B (surface anti-rust treated)

1. Wear from vibration; 2. Corrosion from moisture; 3. Deformation from uneven tightening.

1. Tighten fasteners evenly; 2. Clean surface regularly; 3. Replace if deformation causes poor sealing.

6

NB800G.19.00

Drainage cover

Stainless steel 304

1. Thread wear from repeated opening; 2. Corrosion from drained fluids; 3. Seal damage from debris.

1. Open/close gently to avoid thread damage; 2. Clean seal surface before closing; 3. Inspect thread integrity quarterly.

7

NB005.36.01.00

Liner chamber cover plate

Carbon steel Q355B (surface wear-resistant coating)

1. Wear from liner vibration; 2. Corrosion from fluid leakage; 3. Deformation from high pressure.

1. Tighten fasteners to specified torque; 2. Inspect for leakage monthly; 3. Replace if wear affects sealing.

8

NB005.01.06.00

Crosshead cover plate assembly 4

Carbon steel Q235B (surface anti-rust treated)

1. Wear from crosshead vibration; 2. Corrosion from lubricant moisture; 3. Loosening leading to damage.

1. Secure tightly to avoid vibration; 2. Inspect monthly for loosening; 3. Clean lubricant residues regularly.

9

NB005.01.03.00

Crosshead cover plate assembly 1

Carbon steel Q235B (surface anti-rust treated)

1. Wear from crosshead vibration; 2. Corrosion from lubricant moisture; 3. Loosening leading to damage.

1. Secure tightly to avoid vibration; 2. Inspect monthly for loosening; 3. Clean lubricant residues regularly.

10

NB005.01.04.00

Crosshead cover plate assembly 2

Carbon steel Q235B (surface anti-rust treated)

1. Wear from crosshead vibration; 2. Corrosion from lubricant moisture; 3. Loosening leading to damage.

1. Secure tightly to avoid vibration; 2. Inspect monthly for loosening; 3. Clean lubricant residues regularly.

11

NB005.01.05.00

Crosshead cover plate assembly 3

Carbon steel Q235B (surface anti-rust treated)

1. Wear from crosshead vibration; 2. Corrosion from lubricant moisture; 3. Loosening leading to damage.

1. Secure tightly to avoid vibration; 2. Inspect monthly for loosening; 3. Clean lubricant residues regularly.

1

HBZ013.33

Gasket

Graphite-reinforced PTFE (high-temperature resistant)

1. Wear from repeated assembly; 2. Deformation under high pressure; 3. Contamination leading to seal gaps.

1. Clean sealing surfaces before installation; 2. Avoid over-tightening; 3. Replace every 12 months or if leakage occurs.

2

NB001.01.08

Gasket

Nitrile rubber (NBR 70, oil-resistant)

1. Aging from oil contact; 2. Damage from sharp edges; 3. Compression set from long-term use.

1. Inspect for hardening monthly; 2. Smooth installation edges; 3. Replace every 8 months.

3

NB001.01.09

Gasket

Nitrile rubber (NBR 70, oil-resistant)

1. Aging from oil contact; 2. Damage from sharp edges; 3. Compression set from long-term use.

1. Inspect for hardening monthly; 2. Smooth installation edges; 3. Replace every 8 months.

4

HBZ013.17

Side cover gasket 1

Graphite-reinforced PTFE

1. Wear from vibration; 2. Deformation from uneven tightening; 3. Contamination leading to leakage.

1. Clean surfaces before installation; 2. Tighten fasteners evenly; 3. Replace if leakage occurs.

5

HBZ013.19

Side cover gasket 2

Graphite-reinforced PTFE

1. Wear from vibration; 2. Deformation from uneven tightening; 3. Contamination leading to leakage.

1. Clean surfaces before installation; 2. Tighten fasteners evenly; 3. Replace if leakage occurs.

6

NB800G.20

Sealing washer

Silicone rubber (heat-resistant, water-proof)

1. Aging from heat; 2. Damage from debris; 3. Compression set from long-term use.

1. Inspect for cracks monthly; 2. Clean before installation; 3. Replace every 6 months.

1

GB/T118

Cylindrical pin with internal thread: 16×80

Carbon steel 45# (heat-treated, surface galvanized)

1. Shear failure from uneven force; 2. Thread wear from repeated use; 3. Corrosion leading to loosening.

1. Align parts before installation; 2. Avoid over-force during insertion; 3. Inspect for corrosion quarterly.

2

GB/T 118-2000

Cylindrical pin with internal thread: φ16x60

Carbon steel 45# (heat-treated, surface galvanized, compliant with GB/T 118-2000)

1. Shear failure from uneven force; 2. Thread wear from repeated use; 3. Corrosion leading to loosening.

1. Align parts before installation; 2. Avoid over-force during insertion; 3. Inspect for corrosion quarterly.

3

NB001.37

Bolt M36*100

Alloy steel 40Cr (quenched and tempered, surface zinc-plated)

1. Fatigue fracture from vibration; 2. Thread wear from assembly; 3. Corrosion leading to seized threads.

1. Torque to 350-380N·m; 2. Apply anti-rust lubricant; 3. Inspect monthly for loosening.

4

GB/T5783

Bolt M12×50

Carbon steel 8.8 grade (surface zinc-plated, compliant with GB/T5783)

1. Thread stripping from over-tightening; 2. Fatigue from vibration; 3. Corrosion leading to failure.

1. Torque to 45-50N·m; 2. Use lock washers; 3. Replace if thread damage is detected.

5

GB/T5783

Bolt M16×60

Carbon steel 8.8 grade (surface zinc-plated, compliant with GB/T5783)

1. Thread stripping from over-tightening; 2. Fatigue from vibration; 3. Corrosion leading to failure.

1. Torque to 85-90N·m; 2. Use lock washers; 3. Replace if thread damage is detected.

6

GB/T5783

Bolt M12×35

Carbon steel 8.8 grade (surface zinc-plated, compliant with GB/T5783)

1. Thread stripping from over-tightening; 2. Fatigue from vibration; 3. Corrosion leading to failure.

1. Torque to 35-40N·m; 2. Use lock washers; 3. Replace if thread damage is detected.

7

GB/T5783

Bolt M12×25

Carbon steel 8.8 grade (surface zinc-plated, compliant with GB/T5783)

1. Thread stripping from over-tightening; 2. Fatigue from vibration; 3. Corrosion leading to failure.

1. Torque to 25-30N·m; 2. Use lock washers; 3. Replace if thread damage is detected.

8

GB/T5783

Bolt M12×25

Carbon steel 8.8 grade (surface zinc-plated, compliant with GB/T5783)

1. Thread stripping from over-tightening; 2. Fatigue from vibration; 3. Corrosion leading to failure.

1. Torque to 25-30N·m; 2. Use lock washers; 3. Replace if thread damage is detected.

9

GB/T848-2002

Flat washer φ16

Carbon steel 10# (surface zinc-plated, compliant with GB/T848-2002)

1. Deformation under high torque; 2. Corrosion leading to reduced load-bearing; 3. Wear from friction.

1. Match with M16 bolts; 2. Replace if deformed; 3. Store in dry environment.

10

GB/T848-2002

Flat washer φ12

Carbon steel 10# (surface zinc-plated, compliant with GB/T848-2002)

1. Deformation under high torque; 2. Corrosion leading to reduced load-bearing; 3. Wear from friction.

1. Match with M12 bolts; 2. Replace if deformed; 3. Store in dry environment.

11

GB/T848-2002

Flat washer φ12

Carbon steel 10# (surface zinc-plated, compliant with GB/T848-2002)

1. Deformation under high torque; 2. Corrosion leading to reduced load-bearing; 3. Wear from friction.

1. Match with M12 bolts; 2. Replace if deformed; 3. Store in dry environment.

1

Are these parts compatible with other quintuple pump models?

No. All parts are custom-designed for the Quintuple Pump NB005, with dimensions and specifications (e.g., bolt torque, pin size) exclusive to this model. Misuse may cause structural failure or leakage.

2

How often should key components like the crankshaft and safety valve be maintained?

Inspect the crankshaft assembly every 6 months and replace every 2 years; calibrate the spring safety valve every 6 months and replace the spring annually. For harsh working conditions, shorten intervals by 30%.

3

What standards apply to the fasteners and pins, and why is compliance important?

Fasteners comply with GB/T5783/848-2002; pins comply with GB/T118-2000. Compliance ensures precise fit, reliable torque-bearing capacity, and consistent performance, preventing loose connections and component damage.