---
title: "Blow Pipe"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BLOW_PIPE"
  data_integrity_hash: "0bcda0667d2950493b5c9dff3bed0452"
  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:BLOW_PIPE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/blow-pipe.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/blow-pipe"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "6-10 bar (87-145 psi) compressed air pressure, 0.1-0.3 second pulse duration, 20-60°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 15.2
    unit: "bar"
    consequence: "High-cycle fatigue from cyclic pressure loading (8 bar pulses at 0.2 Hz), abrasive wear from particulate-laden airflow (velocity &gt;25 m/s), stress corrosion cracking in presence of moisture and chlorides"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Compressed air moisture content exceeding 100 ppm at 7 bar"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install desiccant dryer with dew point monitoring at -40°C"
  - node_2:
      trigger: "Pulse valve timing error causing 0.5 second duration at 10 bar"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement PLC-controlled pulse sequencing with pressure feedback loop"
bom_nodes:
  pipe-body:
    type: "component"
    urn: "URN:CNFX:ME:PIPE_BODY"
    interface_type: "physical-logic-coupled"
  nozzlesorifices:
    type: "component"
    urn: "URN:CNFX:ME:NOZZLESORIFICES"
    interface_type: "physical-logic-coupled"
  mounting-brackets:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKETS"
    interface_type: "physical-logic-coupled"
  end-caps:
    type: "component"
    urn: "URN:CNFX:ME:END_CAPS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5171:2017 - GAS WELDING EQUIPMENT - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING"
    scope: "Verified Engineering Specification"
  - standard: "ANSI Z49.1:2021 - SAFETY IN WELDING, CUTTING, AND ALLIED PROCESSES"
    scope: "Verified Engineering Specification"
  - standard: "DIN 8544-1:2016 - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING - PART 1: BLOWPIPES FOR WELDING AND HEATING"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/blow-pipe.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "b7966eee04d302385ebcac001e633726bc8aed7c68a1b17f5d674fe5b1afcbae"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Blow Pipe

## 1. Technical Definition
A tubular component in pulse-jet cleaning systems that directs compressed air pulses into filter bags to dislodge accumulated dust.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **6-10 bar (87-145 psi) compressed air pressure, 0.1-0.3 second pulse duration, 20-60°C operating temperature**. Failure boundary: **Material yield strength exceeded at 15.2 bar (220 psi) internal pressure for ASTM A106 Grade B steel, fatigue failure at 10^5 cycles for 8 bar pulses, erosion failure at 2.5 mm wall thickness reduction**, Mechanism: **High-cycle fatigue from cyclic pressure loading (8 bar pulses at 0.2 Hz), abrasive wear from particulate-laden airflow (velocity &gt;25 m/s), stress corrosion cracking in presence of moisture and chlorides**.

### 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 |
| :--- | :--- | :--- | :--- |
| Compressed air moisture content exceeding 100 ppm at 7 bar | 8 | Internal corrosion pitting leading to wall perforation | Install desiccant dryer with dew point monitoring at -40°C |
| Pulse valve timing error causing 0.5 second duration at 10 bar | 8 | Plastic deformation and ovalization of pipe cross-section | Implement PLC-controlled pulse sequencing with pressure feedback loop |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Compressed Air System**, **Pulse Valve Controller**, **Dust Collection Filter Bags**  
**Downstream Applications**: Industrial Dust Collection Systems, Baghouse Filtration Units, Pulse-Jet Cleaning Assemblies  

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

### Q: What materials are blow pipes typically made from in industrial applications?
**A**: Blow pipes are commonly manufactured from carbon steel, stainless steel, or aluminum, with material selection based on factors like corrosion resistance, temperature requirements, and budget constraints.

### Q: How do blow pipes function in pulse-jet cleaning systems?
**A**: Blow pipes direct high-pressure compressed air pulses through nozzles/orifices into filter bags, creating a shockwave that dislodges accumulated dust, maintaining optimal filtration efficiency in dust collection systems.

### Q: What components are included in a typical blow pipe assembly?
**A**: A standard blow pipe assembly includes the pipe body, nozzles/orifices for air distribution, mounting brackets for secure installation, and end caps to seal the pipe ends, ensuring proper airflow and system integrity.

## 6. Manufacturing Compliance
- ISO 5171:2017 - GAS WELDING EQUIPMENT - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING
- ANSI Z49.1:2021 - SAFETY IN WELDING, CUTTING, AND ALLIED PROCESSES
- DIN 8544-1:2016 - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING - PART 1: BLOWPIPES FOR WELDING AND HEATING

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Blow Pipe](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/blow-pipe)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: BLOW_PIPE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 0aa61317
