FKDQ/FKQ/QST Spare Parts

1

Pressure Switch

PK6523

Stainless Steel 304 (Shell) + Tungsten Copper (Contacts) + Perfluoroelastomer (Seal)

1. Contact oxidation from moisture intrusion; 2. Pressure setting drift due to spring fatigue under cyclic pressure

1. Maintain shell sealing integrity (IP65 rating); 2. Calibrate pressure threshold quarterly per IEC 61298-2 standard

2

Pressure Gauge (Y40-15)

Y40-15

Stainless Steel 316L (Case) + Tempered Glass (Gauge Window) + Copper Alloy (Internal Mechanism)

1. Internal mechanism damage from overpressure impact; 2. Gauge window fogging due to moisture intrusion

1. Ensure operating pressure does not exceed 80% of rated range; 2. Install moisture-proof breathing valves for the gauge case

3

Pressure Gauge (Y30-25)

Y30-25

Brass (Case) + Tempered Glass (Gauge Window) + Bronze (Internal Mechanism)

1. Case corrosion in humid industrial environments; 2. Pointer jamming from vibration-induced internal component displacement

1. Apply anti-corrosion coating to the case annually; 2. Install vibration dampeners between the gauge and pipeline

1

Sensor

Ifm-N0533A

Stainless Steel 316L (Sensor Probe) + ABS Engineering Plastic (Shell) + Industrial-Grade Electronic Components

1. Probe wear from contact with abrasive medium; 2. Signal drift from electromagnetic interference (EMI) of nearby high-voltage equipment

1. Install a protective sleeve for the probe; 2. Use shielded signal cables and maintain a 1.5m+ safe distance from high-voltage equipment

1

Control Component

200GF6-00

Aluminum Alloy (Shell) + Precision Resistors/Capacitors + Gold-Plated Connectors

1. Component damage from voltage surges; 2. Connector loosening from industrial vibration

1. Install surge protectors to stabilize power supply; 2. Use locking connectors and check tightness monthly

1

Hydraulic Pump

QYB40-60L

Cast Iron (Pump Body) + Alloy Steel (Shaft) + Bronze (Bushing)

1. Internal component wear from contaminated hydraulic oil (particle size >10μm); 2. Cavitation damage from insufficient oil supply

1. Use hydraulic oil meeting ISO 11158 standard and replace filters monthly; 2. Ensure adequate oil level and unobstructed suction line

2

Hydraulic Pump

QYB48-90L

Cast Iron (Pump Body) + Alloy Steel (Shaft) + Bronze (Bushing)

1. Shaft seal leakage due to high-temperature aging (operating temp >80°C); 2. Internal wear from long-term full-load operation

1. Maintain operating temperature below 80°C; 2. Replace shaft seals every 2000 operating hours and monitor load rate (≤70% of rated capacity)

3

Valve Component

QKY21-25

Stainless Steel 316L (Valve Body) + Ceramic (Valve Core) + PTFE (Seal)

1. Valve core wear from corrosive hydraulic oil additives; 2. Seal leakage from high-pressure cycling

1. Test hydraulic oil additive compatibility quarterly; 2. Replace PTFE seals annually with high-pressure-resistant grades

4

Valve Component

JYS21-25

Stainless Steel 304 (Valve Body) + PTFE (Seal) + Alloy Steel (Valve Core)

1. Valve core jamming from medium scaling; 2. Spring fatigue leading to switching failure

1. Regularly flush the valve with clean water; 2. Replace internal springs every 1500 operating hours

5

Valve Component

QB21-82

Brass (Valve Body) + PTFE (Seal) + Steel (Spring)

1. Spring fatigue from frequent compression; 2. Valve body corrosion in humid environments

1. Limit switching frequency to ≤10 times/min; 2. Apply anti-corrosion coating to the valve body annually

6

Valve Component

QB-21,47

Brass (Valve Body) + Fluororubber (Seal) + Steel (Spring)

1. Seal aging in high-temperature environments (temp >80°C); 2. Contact wear from frequent switching

1. Avoid operating in environments exceeding 80°C; 2. Inspect contact surfaces monthly and clean debris

7

Valve (1")

GLQ-00-00

Carbon Steel (Valve Body) + PTFE (Seal) + Alloy Steel (Valve Core)

1. Valve body deformation from high-pressure impact; 2. Seal leakage from medium contamination

1. Install pressure relief valves in parallel to reduce impact; 2. Filter medium to ensure particle size ≤10μm

8

Submersible Pump

150QMD-00-03

Stainless Steel 304 (Pump Body) + Copper Winding + Rubber (Impeller)

1. Winding burnout from water intrusion; 2. Impeller wear from sand-containing water

1. Check cable insulation integrity before use; 2. Use in clean water environments (sand content ≤0.01%)

9

Submersible Pump

150QMD-00-11

Stainless Steel 304 (Pump Body) + Copper Winding + Rubber (Impeller)

1. Motor overheating from long-term operation at low water level; 2. Impeller clogging from debris

1. Ensure water level is above the minimum submergence line; 2. Clean impeller and filter screen weekly

10

Control Component

B19-00

ABS Engineering Plastic (Shell) + Copper Alloy (Internal Mechanism) + Sealing Rings

1. Internal mechanism wear from frequent switching; 2. Moisture intrusion causing electrical component failure

1. Limit switching frequency to ≤8 times/min; 2. Install in a moisture-proof control cabinet (IP65 rating)

11

Submersible Pump

150QMD-00-02

Stainless Steel 304 (Pump Body) + Copper Winding + Rubber (Impeller)

1. Winding burnout from voltage instability; 2. Impeller wear from abrasive particles

1. Install voltage regulators to stabilize power supply; 2. Install debris filters at the water inlet

12

Solenoid Valve

34ZS21-25

Stainless Steel 316L (Valve Body) + Solenoid Coil + PTFE Seal

1. Coil burnout from voltage surges; 2. Seal leakage from corrosive medium

1. Install surge protectors to stabilize power supply; 2. Use in compatible medium environments per product specifications

13

Valve (1")

DLF-00-00

316L Stainless Steel (Valve Body) + PTFE (Sealing Gasket) + Alloy Steel (Stem)

1. Seal leakage from gasket aging; 2. Stem jamming due to medium scaling

1. Replace PTFE gaskets annually; 2. Regularly flush the valve and apply anti-corrosion lubricant to the stem

14

Control Valve

DXQF-00-00

Stainless Steel 316L (Valve Body) + Electric Actuator + PTFE Seal

1. Actuator failure from electrical signal interference; 2. Seal leakage from high-pressure impact

1. Use shielded signal cables for the actuator; 2. Calibrate valve position accuracy quarterly

15

Valve (1")

DLQ-00-00

304 Stainless Steel (Valve Body) + Fluororubber (Seal) + Carbon Steel (Stem)

1. Valve body corrosion in humid industrial environments; 2. Spring fatigue leading to switching failure

1. Apply anti-corrosion coating to the valve body annually; 2. Replace internal springs every 2000 operating hours

16

Valve Component

QB6-07

Brass (Valve Body) + PTFE (Seal) + Steel (Spring)

1. Spring fatigue from frequent compression; 2. Valve body corrosion from chemical medium

1. Replace springs every 1500 operating hours; 2. Use in compatible chemical medium environments

17

Solenoid Valve

24ZS21-25

Stainless Steel 316L (Valve Body) + Solenoid Coil + PTFE Seal

1. Coil burnout from long-term continuous energization; 2. Seal leakage from hydraulic oil contamination

1. Avoid long-term continuous energization when not in use; 2. Maintain hydraulic oil cleanliness (NAS 8 class or higher)

18

Hydraulic Pump (φ16)

QYB40-60L

Cast Iron (Pump Body) + Alloy Steel (Shaft) + Bronze (Bushing)

1. Thread damage from improper installation; 2. Internal component wear from contaminated hydraulic oil

1. Use proper tools for installation (avoid over-tightening); 2. Use hydraulic oil meeting ISO 11158 standard and filter monthly