---
title: "Filter Vessel"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:FILTER_VESSEL"
  data_integrity_hash: "9b9bad425dd14dd751e47bb7ad9fca05"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:FILTER_VESSEL"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/filter-vessel.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/filter-vessel"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-25 bar at 20-80°C"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 28
    unit: "bar"
    consequence: "Von Mises stress exceeding SA-516 Grade 70 steel yield strength of 260 MPa due to combined pressure and thermal expansion"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Chloride-induced stress corrosion cracking at &gt;50 ppm Cl⁻ concentration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "316L stainless steel cladding with post-weld heat treatment at 1050°C"
  - node_2:
      trigger: "Differential pressure exceeding 1.8 bar across filter media"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Differential pressure transmitter with automatic backwash at 1.5 bar ΔP"
bom_nodes:
  shell:
    type: "part"
    urn: "URN:CNFX:ME:SHELL"
    interface_type: "physical-logic-coupled"
  upper-head:
    type: "part"
    urn: "URN:CNFX:ME:UPPER_HEAD"
    interface_type: "physical-logic-coupled"
  lower-head:
    type: "component"
    urn: "URN:CNFX:ME:LOWER_HEAD"
    interface_type: "physical-logic-coupled"
  manway:
    type: "part"
    urn: "URN:CNFX:ME:MANWAY"
    interface_type: "physical-logic-coupled"
  underdrain-system:
    type: "part"
    urn: "URN:CNFX:ME:UNDERDRAIN_SYSTEM"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)"
    scope: "Verified Engineering Specification"
  - standard: "PED 2014/68/EU (PRESSURE EQUIPMENT DIRECTIVE)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/filter-vessel.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "7e38c5279d3b070eec7f19b76476b3ce4f9ffaa0630f6e41328f026afc8dfb23"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Filter Vessel

## 1. Technical Definition
The pressure vessel housing the filter media in a multi-media filtration system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-25 bar at 20-80°C**. Failure boundary: **28 bar internal pressure at 85°C (yield strength threshold)**, Mechanism: **Von Mises stress exceeding SA-516 Grade 70 steel yield strength of 260 MPa due to combined pressure and thermal expansion**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Chloride-induced stress corrosion cracking at &gt;50 ppm Cl⁻ concentration | 8 | Through-wall crack propagation at weld heat-affected zones | 316L stainless steel cladding with post-weld heat treatment at 1050°C |
| Differential pressure exceeding 1.8 bar across filter media | 8 | Filter media compaction causing vessel wall buckling | Differential pressure transmitter with automatic backwash at 1.5 bar ΔP |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Shell](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/shell.md) `(Standalone System)`
- [Upper Head](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/upper-head.md) `(Standalone System)`
- [Manway](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/manway.md) `(Standalone System)`
- [Underdrain System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/underdrain-system.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **High-Pressure Pump**, **Backwash System**, **Control Panel with PLC**  
**Downstream Applications**: Purified Water, Processed Chemicals, Cleaned Industrial Fluids  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are available for filter vessels in industrial applications?
**A**: Filter vessels are commonly manufactured from carbon steel, stainless steel, or fiberglass reinforced plastic (FRP), each offering different corrosion resistance, pressure ratings, and cost considerations for specific industrial environments.

### Q: What are the main components of a filter vessel assembly?
**A**: A standard filter vessel includes the shell, upper head, lower head, manway for access, and an underdrain system that supports filter media and facilitates backwashing in multi-media filtration setups.

### Q: How does a filter vessel function in a multi-media filtration system?
**A**: The filter vessel houses layered filter media (like sand, anthracite, or garnet) that remove suspended solids from water. Water flows through the media bed, particles are trapped, and periodic backwashing cleans the system through the underdrain.

## 6. Manufacturing Compliance
- ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)
- PED 2014/68/EU (PRESSURE EQUIPMENT DIRECTIVE)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Filter Vessel](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/filter-vessel)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: FILTER_VESSEL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 2833f47c
