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Help CenterCB/T 497-94 Marine Suction Coarse Water Filter / Sea Water Strainer (A/AS/BR/BRS Type)
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| Item | Details |
|---|---|
| Standard | CB/T 497-94 |
| Type | A (straight-through), AS (straight-through, GB2501 flange), BR (right-angle), BRS (right-angle, GB2501 flange) |
| Nominal Diameter | DN40 ~ DN500 (customizable) |
| Nominal Pressure | PN0.1MPa |
| Body Material | Carbon steel / cast steel (hot-dip galvanized for corrosion resistance), optional stainless steel |
| Filter Basket | Stainless steel perforated mesh (standard 8mm aperture, customizable) |
| Connection Type | Flange connection (compatible with GB 569 / GB 2501 shipbuilding flange standards) |
| Applicable Medium | Seawater, freshwater |
| Working Temperature | ≤ 120℃ |
Key Product Features
✅ Strict Standard ComplianceFully meets CB/T 497-94 marine industry standards, passes shipyard inspection and classification society certification requirements, suitable for all types of commercial ships, engineering ships and offshore platforms.
✅ Excellent Corrosion ResistanceCarbon steel body with hot-dip galvanized treatment, matched with stainless steel filter basket, effectively resists seawater corrosion, prolongs service life in harsh marine environments.
✅ Easy Maintenance & OperationQuick-opening clamp cover design, removable filter basket, equipped with top manual air vent valve and bottom drain plug, convenient for daily cleaning and maintenance without disassembling the pipeline.
✅ Stable & Reliable Filtration PerformancePrecision perforated mesh structure, large filtration area, low flow resistance, effectively intercepts sediment, marine organisms and other impurities, protects downstream equipment such as seawater pumps and heat exchangers.
✅ Flexible Installation OptionsMultiple types (straight-through / right-angle) and full-size range (DN40-DN500) to adapt to different ship pipeline layouts and installation space requirements.
✅ Factory Direct Supply & CustomizationOriginal factory production, support customized materials, sizes, flange standards, and provide complete factory test reports, material certificates and pressure test certificates.
Application Scenarios
Marine main/auxiliary engine seawater cooling system
Ship ballast water system
Marine fire-fighting water supply system
Ship domestic freshwater system
Offshore platform seawater treatment system
Marine pipeline pump inlet protection
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