Industrial Hydraulic Components Product Classification & Procurement Guide

1

DG17V-3-2N-60

Valve body: High-strength cast steel (GS-45); Spool: Alloy steel (1.4021) with hard chrome plating; Seal: Fluororubber (FKM); Spring: Chrome silicon steel (55CrSi)

1. Spool jamming due to hydraulic fluid contamination (particle size >10μm); 2. Seal leakage from high-temperature aging (ambient temperature >70°C)

1. Maintain hydraulic fluid cleanliness at ISO 4406 Class 14/11, replace high-pressure filters every 500 operating hours; 2. Ensure ventilation around the valve to keep operating temperature <65°C

2

DG18V-3-2AL-B-60

Valve body: GS-45 cast steel; Spool: 1.4021 alloy steel with hard chrome plating; Seal: FKM; Spring: 55CrSi

1. Spool wear from cyclic pressure loading (≥10⁶ switching cycles); 2. Valve body thread damage from over-tightening during installation

1. Limit switching frequency to ≤10 cycles/second, conduct fatigue inspection per ISO 10770-1 annually; 2. Use torque wrenches per DIN 24342 (20-30 N·m for M20 threads)

3

3WH6B5X

Valve body: Aluminum alloy (AlMgSi1) with anodized coating; Spool: Brass (CuZn39Pb3); Seal: Nitrile rubber (NBR); Spring: Carbon steel (65Mn)

1. Valve body corrosion from moisture intrusion (relative humidity >85%); 2. Spool sticking due to thermal expansion in high-temperature environments

1. Install in a moisture-proof control cabinet (IP65 rating), check cabinet sealing monthly; 2. Maintain operating temperature within -10°C to 60°C

4

1TH6C60

Valve body: Ductile iron (GGG40); Spool: Alloy steel (1.4125) with plasma nitriding; Seal: FKM; Spring: 55CrSi

1. Seal damage from incompatible hydraulic fluid additives; 2. Spool wear from abrasive particles in fluid

1. Use hydraulic fluid meeting DIN 51524 Part 2, test additive compatibility with FKM seals (ASTM D471); 2. Install a 5μm fine filter upstream of the valve

5

4WP6D6X/N, 4WP6D5XN, 4WP6D6XN

Valve body: GGG40 ductile iron; Spool: 1.4021 alloy steel with hard chrome plating; Seal: FKM; Spring: 55CrSi

1. Coil burnout (integrated) from voltage surges; 2. Spool jamming due to improper fluid viscosity (too high/low)

1. Install surge protectors (rated voltage ±15% of coil nominal voltage); 2. Use hydraulic fluid with viscosity 22-46 mm²/s at 40°C (ISO VG 22-46)

6

WH6A5X

Valve body: Aluminum alloy (6061-T6); Spool: Brass (CuZn39Pb3); Seal: NBR; Spring: 65Mn

1. Valve body deformation from external impact during equipment transportation; 2. Seal leakage from long-term idle storage (seal aging)

1. Secure the valve with shock-absorbing pads during transportation; 2. Store in dry environment (0-30°C), replace seals if stored for over 6 months

1

A10VSO10DR/52R-PPA14NOO

Pump body: High-strength cast aluminum (AlSi9Cu3); Rotor: Alloy steel (1.7225); Swashplate: Bronze (CuSn10); Seal: FKM

1. Rotor wear from contaminated hydraulic fluid; 2. Swashplate damage from insufficient lubrication

1. Maintain hydraulic fluid cleanliness at ISO 4406 Class 13/10, replace filters every 300 operating hours; 2. Ensure sufficient fluid supply, check suction line pressure ≥0.8 bar

2

DRE6-1X/100MG24K4M

Valve body: Stainless steel (1.4301); Pressure relief piston: Alloy steel (1.7225) with nitriding; Spring: 55CrSi; Seal: FKM

1. Pressure sensor drift from temperature changes; 2. Piston jamming from cementation of fluid additives

1. Install in temperature-stable environment (0-40°C), calibrate quarterly per IEC 60721-3-3; 2. Use hydraulic fluid with anti-cementation additives, replace fluid annually

3

VB61.1B1KM

Valve body: GS-45 cast steel; Spool: 1.4021 alloy steel with hard chrome plating; Coil: Copper winding with F-class insulation; Seal: FKM

1. Coil damage from electromagnetic interference (EMI); 2. Seal leakage from high-pressure cycling

1. Use shielded cables for signal transmission, ground shield at both ends; 2. Limit pressure cycle range to ≤80% of rated pressure, conduct seal inspection every 800 hours

1

Z2FS6-30S2

Valve body: Aluminum alloy (AlMgSi1); Spool: Brass (CuZn39Pb3); Check valve seat: Ceramic (Al₂O₃); Seal: NBR

1. Spool wear from long-term high-flow operation; 2. Check valve seat damage from foreign object impact

1. Monitor flow rate to ≤90% of rated flow; 2. Install a pre-filter upstream to remove foreign objects ≥0.1mm

2

ZU.1-E25-10BD-P

Valve body: Stainless steel (1.4301); Check valve disc: Alloy steel (1.4021); Spring: 55CrSi; Seal: FKM

1. Valve disc corrosion from corrosive media; 2. Spring fatigue from frequent reverse flow impacts

1. Use in compatible medium environments (follow product specification); 2. Replace spring every 1500 operating hours, inspect for fatigue cracks monthly

1

VT10468-3X/BORO

Housing: Aluminum alloy (6063-T5) with anti-corrosion coating; Circuit board: FR-4 epoxy resin; Components: Industrial-grade resistors/capacitors (125°C rated); Connectors: Gold-plated copper alloy

1. Circuit board damage from voltage surges; 2. Connector corrosion from salt spray (coastal environments)

1. Install Type 2 surge protectors at power input; 2. For coastal use, apply anti-corrosion spray to connectors, inspect monthly

2

VTVSPA1K-1-1X

Housing: ABS engineering plastic (UL94 V-0); Circuit board: FR-4 epoxy resin; Amplifier chip: Industrial-grade (gain accuracy ±1%); Connectors: Silver-plated copper alloy

1. Amplifier chip burnout from reverse polarity connection; 2. Signal distortion from EMI

1. Verify power supply polarity before wiring (follow diagram strictly); 2. Route signal cables away from high-voltage cables (≥30cm distance)

1

YC-AIBJ

Housing: Carbon steel (Q235) with anti-corrosion coating; Diaphragm: Nitrile rubber (NBR); Valve core: Brass (CuZn39Pb3)

1. Diaphragm aging from high-temperature oil; 2. Housing corrosion from moisture

1. Control hydraulic oil temperature <65°C; 2. Drain moisture from the system weekly, inspect housing for rust monthly

2

SG2W-NUH

Body: Stainless steel (1.4301); Seal: FKM; Fasteners: Carbon steel (8.8 grade) with zinc plating

1. Seal leakage from over-tightening; 2. Fastener corrosion from humid environments

1. Tighten fasteners to specified torque (15-20 N·m); 2. Store in dry environment, apply anti-corrosion oil to fasteners if needed

3

LT05MKA-3X/100/02M, LT05MKA-31/100/02M, LT07MKA-2X/100-02M, LT08MMA-2X/025/02M, LT09HG-1X/125/02M

Body: Aluminum alloy (AlMgSi1); Piston: Alloy steel (1.4021); Seal: FKM; Spring: 55CrSi

1. Piston wear from contaminated fluid; 2. Seal aging from long-term pressure holding

1. Maintain fluid cleanliness at ISO 4406 Class 14/11; 2. Release pressure when the system is idle for over 24 hours, replace seals annually

4

S50JCK-XI-20R1G--8457A

Body: Ductile iron (GGG50); Valve seat: Ceramic (Al₂O₃); Seal: FKM; Fasteners: Stainless steel (1.4301)

1. Valve seat damage from foreign objects; 2. Body deformation from external impact

1. Install a filter upstream to remove particles ≥0.1mm; 2. Handle with care during installation, avoid impact

5

HA050100(3-8BSP)

Connector body: Brass (CuZn39Pb3); Seal: NBR; Thread: Copper plating

1. Thread damage from improper installation; 2. Seal leakage from incompatible fluid

1. Use proper tools for installation, avoid cross-threading; 2. Ensure fluid compatibility with NBR seals (per product manual)

6

K23R5-L8-J(103)

Valve body: Aluminum alloy (6061-T6); Solenoid core: Iron (DT4); Seal: NBR; Coil: Copper winding with F-class insulation

1. Coil burnout from long-term energization; 2. Solenoid core jamming from iron filings

1. Avoid continuous energization for over 4 hours, use intermittent control; 2. Install a magnetic filter in the system to remove iron filings

7

PHP1050R210

Pump body: Cast iron (HT250); Rotor: Alloy steel (1.7225); Seal: FKM; Bearing: High-carbon chromium steel (GCr15)

1. Rotor wear from insufficient lubrication; 2. Seal leakage from high-pressure oil

1. Ensure sufficient oil supply, check oil level daily; 2. Monitor system pressure ≤80% of pump's rated pressure