---
title: "S-Valve Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:S_VALVE_ASSEMBLY"
  data_integrity_hash: "a8a33fd9d96c3aa638a0a968577f3f4d"
  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:S_VALVE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/s-valve-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/s-valve-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-15.0 bar differential pressure"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 18.7
    unit: "bar"
    consequence: "Plastic deformation of 316L stainless steel bellows due to yield strength reduction at elevated temperatures (316L yield strength decreases from 290 MPa at 20°C to 205 MPa at 85°C)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination exceeding 25 μm in 0.1% concentration by volume"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filtration with differential pressure monitoring at 0.3 bar threshold"
  - node_2:
      trigger: "Thermal cycling between -20°C and 120°C at 5 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement thermal soak protocol limiting temperature change to 2°C/minute with 316Ti bellows material (fatigue strength 240 MPa at 10^6 cycles)"
bom_nodes:
  valve-body:
    type: "part"
    urn: "URN:CNFX:ME:VALVE_BODY"
    interface_type: "physical-logic-coupled"
  rotary-disc:
    type: "component"
    urn: "URN:CNFX:ME:ROTARY_DISC"
    interface_type: "physical-logic-coupled"
  seal-assembly:
    type: "part"
    urn: "URN:CNFX:ME:SEAL_ASSEMBLY"
    interface_type: "physical-logic-coupled"
  actuator-mount:
    type: "component"
    urn: "URN:CNFX:ME:ACTUATOR_MOUNT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5208:2015 (INDUSTRIAL VALVES - PRESSURE TESTING OF VALVES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B16.34:2020 (VALVES - FLANGED, THREADED, AND WELDING END)"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 12266-1:2012 (INDUSTRIAL VALVES - TESTING OF METALLIC VALVES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/s-valve-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "68584942f3eb5b1794028fe84cf0c3515cb8e6ced6b0b3c4628ccccebc88945b"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: S-Valve Assembly

## 1. Technical Definition
A specialized valve assembly designed for precise material flow control in delivery systems.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-15.0 bar differential pressure**. Failure boundary: **18.7 bar differential pressure at 85°C fluid temperature**, Mechanism: **Plastic deformation of 316L stainless steel bellows due to yield strength reduction at elevated temperatures (316L yield strength decreases from 290 MPa at 20°C to 205 MPa at 85°C)**.

### 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 |
| :--- | :--- | :--- | :--- |
| Particulate contamination exceeding 25 μm in 0.1% concentration by volume | 8 | Seat erosion leading to 15% flow coefficient deviation | Install 10 μm absolute filtration with differential pressure monitoring at 0.3 bar threshold |
| Thermal cycling between -20°C and 120°C at 5 cycles/hour | 8 | Bellows fatigue cracking after 12,000 cycles | Implement thermal soak protocol limiting temperature change to 2°C/minute with 316Ti bellows material (fatigue strength 240 MPa at 10^6 cycles) |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | 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)`
- [Seal Assembly](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/seal-assembly.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Material Feeding System**, **Precision Flow Meter**, **Automated Control Panel**  
**Downstream Applications**: Pharmaceutical Dispensing Equipment, Food Processing Machinery, Chemical Mixing Systems  

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

### Q: What materials are used in the S-Valve Assembly construction?
**A**: The S-Valve Assembly is constructed entirely from high-grade stainless steel, providing excellent corrosion resistance and durability for demanding industrial environments.

### Q: How does the rotary disc design improve flow control?
**A**: The precision-engineered rotary disc allows for accurate modulation of material flow with minimal pressure drop, ensuring consistent delivery rates and reduced system turbulence.

### Q: What maintenance does the seal assembly require?
**A**: The seal assembly is designed for long service life with minimal maintenance. Regular inspection for wear and proper lubrication of moving parts is recommended to ensure optimal performance.

## 6. Manufacturing Compliance
- ISO 5208:2015 (INDUSTRIAL VALVES - PRESSURE TESTING OF VALVES)
- ANSI/ASME B16.34:2020 (VALVES - FLANGED, THREADED, AND WELDING END)
- DIN EN 12266-1:2012 (INDUSTRIAL VALVES - TESTING OF METALLIC VALVES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: S-Valve Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/s-valve-assembly)**

### 🌐 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**: S_VALVE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: f628c48c
