Skid Assembly

1

Skid assembly

NB005.07.00

Integrated structural assembly with carbon steel and stainless steel components, for skid-mounted equipment integration

1. Welding fatigue from long-term vibration; 2. Corrosion from environmental moisture/chemicals; 3. Deformation from excessive load.

1. Inspect welding seams quarterly for cracks; 2. Apply anti-corrosion coating annually; 3. Ensure load distribution matches design specifications.

2

Skid welding assembly

NB005.07.01.00

Carbon steel (Q235) welded structure, core load-bearing component of the skid assembly

1. Weld cracking from vibration-induced stress; 2. Corrosion of weld joints; 3. Deformation from improper installation alignment.

1. Perform non-destructive testing of welds annually; 2. Touch up anti-corrosion coating on welds; 3. Align precisely during installation to reduce stress.

3

Supporting seat

NB005.61.02.00

Carbon steel (Q235) with galvanized surface, for auxiliary support of skid components

1. Wear from equipment vibration; 2. Corrosion from environmental factors; 3. Deformation from uneven load.

1. Inspect for deformation monthly; 2. Reinforce in high-vibration areas; 3. Ensure level installation for uniform load distribution.

4

Connecting plate

NB005.61.01

Carbon steel (Q235), for connecting skid structural components

1. Bolt hole wear from repeated assembly; 2. Fatigue from vibration; 3. Corrosion from moisture.

1. Replace if bolt holes are elongated; 2. Apply anti-rust grease to contact surfaces; 3. Tighten connecting bolts quarterly.

5

Spherical support

NB005.61.04.00

Carbon steel (45#) with spherical bearing, for flexible support and vibration absorption

1. Bearing wear from rotational friction; 2. Corrosion of spherical surface; 3. Damage from excessive load.

1. Lubricate bearings quarterly with industrial grease; 2. Inspect spherical surface for corrosion; 3. Avoid overloading beyond rated capacity.

6

Steel plate

NB005.61.03

Carbon steel (Q235), auxiliary structural component for skid assembly reinforcement

1. Corrosion from environmental moisture; 2. Deformation from impact; 3. Wear from contact with other components.

1. Apply anti-corrosion coating; 2. Protect from external impact; 3. Clean surface regularly to remove debris.

7

Cushion block

NB005.07.18

Rubber with steel core, for vibration damping and component protection

1. Rubber aging from long-term use; 2. Compression set from constant load; 3. Damage from oil or chemical exposure.

1. Replace every 12-18 months; 2. Avoid contact with incompatible oils/chemicals; 3. Ensure load does not exceed damping capacity.

1

Socket cap screw M12×25

Industrial standard

Alloy steel (8.8 grade), quenched and tempered, for precision component fastening

1. Thread wear from repeated assembly; 2. Head damage from improper tool use; 3. Fatigue fracture from vibration.

1. Use matching hex socket tools; 2. Tighten to specified torque (45-50N·m); 3. Apply anti-seize agent in corrosive environments.

2

Bolt M16×50

Industrial standard

Alloy steel (8.8 grade), high-tensile strength for medium-load fastening

1. Thread seizure from corrosion; 2. Deformation from over-tightening; 3. Fatigue from continuous vibration.

1. Clean threads before installation; 2. Tighten to torque (65-70N·m); 3. Inspect for corrosion monthly.

3

Bolt M12×25

Industrial standard

Alloy steel (8.8 grade), compatible with socket cap screws for uniform fastening

1. Thread stripping from over-tightening; 2. Corrosion from moisture; 3. Wear from vibration-induced friction.

1. Match with appropriate washers; 2. Apply anti-rust grease; 3. Replace if threads are damaged.

4

Bolt M8×35

Industrial standard

Alloy steel (8.8 grade), for light-load component fastening (e.g., heater)

1. Thread wear from misalignment; 2. Fatigue from vibration; 3. Corrosion from heat and moisture.

1. Align screw holes precisely; 2. Tighten to torque (25-30N·m); 3. Use in low-temperature exposure areas where possible.

5

Bolt M6×25

Industrial standard

Alloy steel (8.8 grade), for small-component and instrument fastening

1. Head damage from tool misuse; 2. Thread wear from repeated disassembly; 3. Corrosion from environmental factors.

1. Use precision tools to avoid head stripping; 2. Replace after 3-4 disassembly cycles; 3. Store in dry containers when not in use.

6

Bolt M30×120

Industrial standard

Alloy steel (10.9 grade), high-load fastening for skid structural components

1. Bending from uneven load; 2. Thread corrosion; 3. Fatigue fracture from heavy vibration.

1. Ensure level installation; 2. Apply anti-corrosion coating to exposed threads; 3. Tighten to torque (220-240N·m).

7

Bolt M24×70

Industrial standard

Alloy steel (10.9 grade), for heavy-component fastening

1. Thread seizure from corrosion; 2. Damage from over-tightening; 3. Wear from load-induced stress.

1. Apply anti-seize agent; 2. Use torque wrenches for precise tightening; 3. Inspect for deformation quarterly.

8

Bolt 1"-8×2 3/8"

Industrial standard

Alloy steel (8.8 grade), coarse-thread bolt for large-component fastening

1. Thread wear from repeated assembly; 2. Corrosion from environmental moisture; 3. Head damage from improper tools.

1. Use matching hex tools; 2. Clean threads before installation; 3. Tighten to specified torque (90-100N·m).

9

Nut M30

Industrial standard

Alloy steel (10.9 grade), compatible with M30×120 bolts

1. Thread wear from repeated use; 2. Corrosion leading to locking; 3. Deformation from excessive torque.

1. Replace nuts when reusing bolts; 2. Clean threads regularly; 3. Match torque with corresponding bolts.

10

Nut M24

Industrial standard

Alloy steel (10.9 grade), compatible with M24×70 bolts

1. Thread stripping from over-tightening; 2. Corrosion from fluid or moisture; 3. Wear from vibration.

1. Tighten to recommended torque; 2. Apply anti-rust grease; 3. Inspect for thread damage monthly.

11

Nut 1”

Industrial standard

Alloy steel (8.8 grade), compatible with 1"-8×2 3/8" bolts

1. Corrosion from environmental factors; 2. Thread wear from repeated assembly; 3. Locking failure from vibration.

1. Use lock washers for anti-vibration; 2. Clean before installation; 3. Replace if rusted or damaged.

12

Spring washer 16

Industrial standard

Spring steel (65Mn), tempered, for anti-vibration locking of M16 bolts

1. Elasticity loss from long-term compression; 2. Corrosion leading to breakage; 3. Deformation from excessive torque.

1. Replace every 4 assembly cycles; 2. Store in dry areas; 3. Match with M16 bolts.

13

Flat washer 16

Industrial standard

Carbon steel (Q235), galvanized, for M16 bolt load distribution

1. Corrosion from moisture; 2. Deformation from high pressure; 3. Wear from friction with nuts.

1. Replace if rusted; 2. Ensure alignment with bolt heads; 3. Avoid reusing deformed washers.

14

Flat washer 12

Industrial standard

Carbon steel (Q235), galvanized, for M12 bolt load distribution and surface protection

1. Corrosion from fluid seepage; 2. Wear from repeated assembly; 3. Deformation from torque.

1. Clean before installation; 2. Replace with each bolt disassembly; 3. Match with M12 bolts.

1

Rubber gasket 3

NB005.07.06

Nitrile rubber (NBR), oil-resistant, for component sealing in fluid systems

1. Aging from high temperature/oil exposure; 2. Cracking from improper installation; 3. Swelling from incompatible chemicals.

1. Replace every 6 months; 2. Avoid stretching during installation; 3. Use compatible fluids to prevent swelling.

2

Rubber gasket 1

NB005.07.03

Nitrile rubber (NBR), identical to rubber gasket 3 for interchangeable sealing

1. Wear from repeated compression; 2. Damage from debris between sealing surfaces; 3. Degradation from environmental factors.

1. Clean sealing surfaces before installation; 2. Replace if compressed set exceeds 20%; 3. Store in cool, dry areas.

3

Rubber gasket

NB005.07.16

EPDM rubber, weather-resistant and chemical-resistant, for flange sealing

1. Aging from UV exposure; 2. Deformation from over-tightening; 3. Wear from fluid erosion.

1. Avoid direct sunlight; 2. Tighten to recommended torque; 3. Inspect for wear quarterly.

4

Rubber gasket

NB005.07.17

EPDM rubber, compatible with NB005.07.16 for interchangeable flange sealing

1. Chemical degradation from incompatible fluids; 2. Cracking from low temperatures; 3. Sealing failure from surface damage.

1. Verify fluid compatibility; 2. Protect from freezing temperatures; 3. Replace if surfaces are scratched.

5

Oil return rectangular pipe assembly

NB005.07.09.00

Stainless steel (304), rectangular structure for oil return in skid systems

1. Internal clogging from oil sludge; 2. Corrosion from chemical contaminants; 3. Weld fatigue from vibration.

1. Flush monthly to remove sludge; 2. Monitor oil quality to reduce contaminants; 3. Inspect welds quarterly.

6

Rubber joint

JGD-1/DN80

NBR rubber with steel flange, for pipeline vibration absorption and misalignment compensation

1. Rubber aging from pressure cycles; 2. Damage from excessive displacement; 3. Corrosion of steel flanges.

1. Limit displacement to rated range; 2. Replace rubber part annually; 3. Apply anti-corrosion grease to flanges.

7

Pipe plug

GH3161-01.01.46(G)

Stainless steel (316), precision-threaded for pipeline end sealing

1. Thread wear from repeated installation; 2. Corrosion from chemical fluids; 3. Sealing failure from thread damage.

1. Apply high-pressure thread sealant; 2. Avoid over-tightening; 3. Clean threads before reuse.

8

Steel wire hose

ID 2 1/2", L=150

Stainless steel (304) wire braid, rubber inner tube, for flexible fluid transfer

1. Braid wear from external friction; 2. Inner tube aging from fluid exposure; 3. Leakage from fitting loosening.

1. Protect from external abrasion; 2. Replace every 18 months; 3. Tighten fittings regularly.

9

Barbed flange joint

NB005.07.15

Stainless steel (304), barbed design for secure hose-flange connection

1. Barb wear from hose insertion/removal; 2. Corrosion from fluid; 3. Leakage from improper hose fit.

1. Use compatible hose sizes; 2. Avoid repeated hose removal; 3. Apply thread sealant to flange connections.

10

Clamp Φ63-Φ73

Industrial standard

Stainless steel (304), adjustable clamp for pipeline or hose fixation

1. Tension loss from vibration; 2. Corrosion from environmental moisture; 3. Deformation from over-tightening.

1. Retighten quarterly; 2. Apply anti-corrosion treatment; 3. Adjust to match pipe/hose diameter.

11

Barbed elbow assembly

NB005.07.14.00

Stainless steel (304), 90° elbow with barbed design for flexible pipeline routing

1. Fluid scouring wear at elbow; 2. Barb damage from hose installation; 3. Corrosion from chemical fluids.

1. Install with proper support; 2. Use hose clamps for extra security; 3. Flush regularly to reduce scouring.

1

Heater

HRY5-600V 60HZ/6KW,dIIBT4

Stainless steel (304) heating element, explosion-proof design (dIIBT4) for industrial heating

1. Heating element burnout from overheating; 2. Corrosion from chemical fluids; 3. Electrical failure from moisture.

1. Avoid dry heating; 2. Monitor temperature to prevent overloading; 3. Keep electrical connections dry.

2

Heater sleeve

Industrial standard

High-temperature resistant silicone, for heater protection and insulation

1. Aging from long-term high temperatures; 2. Damage from mechanical impact; 3. Degradation from chemical exposure.

1. Replace every 12 months; 2. Protect from impact; 3. Avoid contact with corrosive chemicals.

3

Liquidometer

YWZ-160T

Stainless steel (304) housing, glass tube, for fluid level monitoring

1. Glass tube breakage from impact; 2. Scale buildup on glass; 3. Corrosion of connecting parts.

1. Protect glass tube from impact; 2. Clean glass monthly to remove scale; 3. Inspect connecting seals for leakage.

1

4 1/2", 5" and 6" pistons installation tool

NB005.42.27.00

Carbon steel (45#) with heat treatment, multi-size compatible for piston installation

1. Wear from repeated piston contact; 2. Deformation from excessive force; 3. Corrosion from environmental moisture.

1. Use appropriate size for each piston; 2. Avoid excessive force during installation; 3. Apply anti-rust grease after use.

2

4" piston installation tool

NB005.42.28.00

Carbon steel (45#) with heat treatment, specialized for 4" piston installation

1. Wear of contact surfaces; 2. Damage from improper alignment; 3. Fatigue from repeated use.

1. Align tool with piston precisely; 2. Inspect contact surfaces for wear; 3. Store in dry, protected areas.

1

Are NB005.07.03 and NB005.07.06 rubber gaskets interchangeable?

Yes, both are NBR rubber gaskets with identical dimensions and oil-resistant performance, making them fully interchangeable for sealing applications in the NB005.07.00 skid assembly.

2

What maintenance is required for the HRY5-600V heater?

Replace the silicone heater sleeve annually; inspect the heating element quarterly for corrosion/burnout; ensure no dry heating (maintain proper fluid level); keep electrical connections dry to comply with dIIBT4 explosion-proof requirements.

3

Can the piston installation tools be used for other pump models?

NB005.42.27.00 (4.5”,5”,6”) and NB005.42.28.00 (4”) tools are specialized for matching skid-mounted pump pistons. They may be compatible with other pumps of the same piston size, but verify dimensional fit before use to avoid piston damage.