Sluice Valve
1. Manufacturing defects in body, bonnet, wedge, stem, and seating rings.
2. Leakage through body/bonnet joints due to faulty casting or assembly.
3. Defective machining leading to improper sealing.
4. Material defects under normal operating pressure and temperature.
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1. Damage due to mishandling, over-tightening, or improper manual operation.
2. Wear and tear of gland packing, seals, gaskets, and fasteners (considered consumables).
3. Corrosion or scaling caused by aggressive or incompatible fluids.
4. Failure due to installation outside recommended pressure/temperature ratings.
1. Manufacturing defects in valve body, seat, disc, and stem.
2. Defects in pneumatic actuator cylinder and piston under normal service.
3. Faulty assembly leading to air leakage within actuator housing.
4. Failure of factory-installed limit stops or guiding mechanism.
1. Damage from contaminated or moist compressed air supply.
2. Seals, diaphragms, O-rings, and packing considered consumables.
3. Failure due to wrong alignment of actuator with valve.
4. External control accessories (solenoid valves, FRL units, tubing) unless specifically supplied under contract.
1. Casting or forging defects in valve body, bonnet, or actuator housing.
2. Leakage from hydraulic actuator cylinder due to faulty manufacturing.
3. Malfunctioning due to improper machining of guiding or seating surfaces.
4. Failure of manufacturer-installed hydraulic seals under normal fluid conditions.
1. Damage caused by contaminated hydraulic fluid or improper fluid grade.
2. Wear of seals, packing, O-rings due to normal service life.
3. Failure due to over-pressure surges beyond rated design.
4. External hydraulic power packs, hoses, and fittings unless supplied as part of the valve package.
1. Manufacturing defects in valve body, wedge, stem, and seating rings.
2. Defects in actuator gearbox or electric motor supplied by manufacturer.
3. Faulty wiring or factory-installed limit switches.
4. Actuator-to-valve coupling defects due to improper machining.
1. Electrical damage caused by voltage fluctuations, short circuits, or improper earthing.
2. Wear of electrical contacts, fuses, and consumables.
3. Damage due to water ingress from improper cable sealing or IP protection breach.
4. Third-party control panels, PLCs, or accessories not supplied by the manufacturer.