---
title: "Dairy Flow Control Diaphragm Valve"
industry: "Manufacture of Dairy Products"
verification_protocol:
  urn: "URN:CNFX:ME:DAIRY_FLOW_CONTROL_DIAPHRAGM_VALVE"
  data_integrity_hash: "308bd28f2638460e1ecba6138e720d5d"
  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:DAIRY_FLOW_CONTROL_DIAPHRAGM_VALVE"
  data_source_uri: "https://cnfx.com/llms/industry/manufacture-dairy-products/product/dairy-flow-control-diaphragm-valve.md"
  official_resource_url: "https://cnfx.com/industry/manufacture-dairy-products/product/dairy-flow-control-diaphragm-valve"
  is_verified_logic: true
attributes:
  primary_spec:
    status: "config-dependent"
    typical_range: "0.5-6.0 bar differential pressure, 4-20 mA control signal, 0-100% stroke position"
    unit: "inches"
  secondary_spec:
    status: "config-dependent"
    typical_range: "0.5-6.0 bar differential pressure, 4-20 mA control signal, 0-100% stroke position"
    unit: "bar"
engineering_limits:
  max_safe_operating_point:
    value: 8.5
    unit: "bar"
    consequence: "Diaphragm fatigue failure due to cyclic pressure loading exceeding 10^6 cycles at 6 bar, elastomer swelling from CIP chemical absorption exceeding 3% volume expansion, actuator gear tooth shear at 18 N·m torque"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Abrasive particle accumulation at diaphragm sealing surface"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "316L stainless steel diaphragm with 0.8 μm Ra surface finish and 45° chamfered edge geometry"
  - node_2:
      trigger: "Actuator position sensor potentiometer wiper oxidation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hall-effect non-contact position sensing with IP69K encapsulation and -40°C to 150°C operating range"
bom_nodes:
  diaphragm:
    type: "component"
    urn: "URN:CNFX:ME:DIAPHRAGM"
    interface_type: "physical-logic-coupled"
  valve-body:
    type: "part"
    urn: "URN:CNFX:ME:VALVE_BODY"
    interface_type: "physical-logic-coupled"
  actuator-stem:
    type: "component"
    urn: "URN:CNFX:ME:ACTUATOR_STEM"
    interface_type: "physical-logic-coupled"
  seat-ring:
    type: "component"
    urn: "URN:CNFX:ME:SEAT_RING"
    interface_type: "physical-logic-coupled"
  sanitary-clamp:
    type: "component"
    urn: "URN:CNFX:ME:SANITARY_CLAMP"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME BPE-2019 (BIOPROCESSING EQUIPMENT)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/manufacture-dairy-products/product/dairy-flow-control-diaphragm-valve.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d39a58ea9c76b1f08324408cd3e15956e59128ac98ab6469567496b1a0e8f427"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Dairy Flow Control Diaphragm Valve

## 1. Technical Definition
Sanitary diaphragm valve for precise flow control in dairy processing pipelines.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-6.0 bar differential pressure, 4-20 mA control signal, 0-100% stroke position**. Failure boundary: **Diaphragm rupture at 8.5 bar differential pressure, elastomer degradation above 120°C, actuator stall at 22 mA signal**, Mechanism: **Diaphragm fatigue failure due to cyclic pressure loading exceeding 10^6 cycles at 6 bar, elastomer swelling from CIP chemical absorption exceeding 3% volume expansion, actuator gear tooth shear at 18 N·m torque**.

### 2.1 Analytical Physics Model
Governed by the **Hansen Solubility Distance (HSP)**:

> **Primary Equation**: $R_a = \sqrt{4\Delta\delta_d^2 + \Delta\delta_p^2 + \Delta\delta_h^2}$  
> **Engineering Impact**: Predicts seal/gasket swelling when exposed to CIP chemicals.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \delta_d | Dispersive | Engineering Constant |
| \delta_p | Polar | Engineering Constant |
| \delta_h | Hydrogen | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Abrasive particle accumulation at diaphragm sealing surface | 8 | Diaphragm surface scoring leading to 0.1 mm leakage path | 316L stainless steel diaphragm with 0.8 μm Ra surface finish and 45° chamfered edge geometry |
| Actuator position sensor potentiometer wiper oxidation | 8 | Signal dropout causing 15% position error | Hall-effect non-contact position sensing with IP69K encapsulation and -40°C to 150°C operating range |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| primary_spec | Config-dependent | inches | Verified |
| secondary_spec | Config-dependent | bar | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Valve Body](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/valve-body.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Sanitary Centrifugal Pump**, **CIP (Clean-in-Place) System**, **Sanitary Flow Meter**  
**Downstream Applications**: Pasteurized Milk, Yogurt, Cheese  

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

### Q: What materials are used in this dairy flow control diaphragm valve?
**A**: This valve is constructed with 316L Stainless Steel for the body, Food-Grade EPDM for the diaphragm, and PTFE components, ensuring full compliance with dairy industry hygiene standards.

### Q: What are the key specifications for this diaphragm valve?
**A**: Key specifications include actuation type, connection size in inches, flow coefficient in US gal/min/psi, surface finish (Ra), temperature range in °C, and working pressure in bar, all designed for precise dairy processing control.

### Q: Why is a diaphragm valve preferred for dairy processing applications?
**A**: Diaphragm valves provide excellent sanitary design with no dead spaces, preventing bacterial growth. The diaphragm isolates the fluid from mechanical parts, ensuring purity and easy cleaning in dairy processing pipelines.

## 6. Manufacturing Compliance
- ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)
- ANSI/ASME BPE-2019 (BIOPROCESSING EQUIPMENT)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Dairy Flow Control Diaphragm Valve](https://cnfx.com/industry/manufacture-dairy-products/product/dairy-flow-control-diaphragm-valve)**

### 🌐 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**: DAIRY_FLOW_CONTROL_DIAPHRAGM_VALVE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 28566692
