---
title: "High-Pressure Ammonia Flow Control Valve"
industry: "Fertilizers and Nitrogen Compounds Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:HIGH_PRESSURE_AMMONIA_FLOW_CONTROL_VALVE"
  data_integrity_hash: "49709f5fd07360406181233aea6eb51d"
  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:HIGH_PRESSURE_AMMONIA_FLOW_CONTROL_VALVE"
  data_source_uri: "https://cnfx.com/llms/industry/fertilizers-nitrogen-compounds-manufacturing/product/high-pressure-ammonia-flow-control-valve.md"
  official_resource_url: "https://cnfx.com/industry/fertilizers-nitrogen-compounds-manufacturing/product/high-pressure-ammonia-flow-control-valve"
  is_verified_logic: true
attributes:
  pressure_rating:
    status: "config-dependent"
    typical_range: "1.5-3.0 bar"
    unit: "bar"
  flow_coefficient:
    status: "config-dependent"
    typical_range: "15-80 bar at 20-40°C"
    unit: "Cv"
engineering_limits:
  max_safe_operating_point:
    value: 95
    unit: "bar"
    consequence: "Cavitation-induced erosion at vapor pressure differential exceeding 0.7 MPa, combined with ammonia-induced stress corrosion cracking at &gt;60°C with &gt;0.1% water content"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic hammer from pump cavitation at NPSH &lt;2.3 m"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral accumulator with 0.5 L volume and 1.2 ms response time"
  - node_2:
      trigger: "Ammonia decomposition at &gt;200°C forming nitride deposits"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Stellite-6 hardfacing with 45 HRC minimum and 0.8 μm Ra surface finish"
bom_nodes:
  valve-body:
    type: "component"
    urn: "URN:CNFX:ME:VALVE_BODY"
    interface_type: "physical-logic-coupled"
  ball:
    type: "component"
    urn: "URN:CNFX:ME:BALL"
    interface_type: "physical-logic-coupled"
  seat-rings:
    type: "component"
    urn: "URN:CNFX:ME:SEAT_RINGS"
    interface_type: "physical-logic-coupled"
  stem:
    type: "component"
    urn: "URN:CNFX:ME:STEM"
    interface_type: "physical-logic-coupled"
  actuator-mounting-pad:
    type: "component"
    urn: "URN:CNFX:ME:ACTUATOR_MOUNTING_PAD"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5208:2015 INDUSTRIAL VALVES - PRESSURE TESTING OF VALVES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/fertilizers-nitrogen-compounds-manufacturing/product/high-pressure-ammonia-flow-control-valve.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "26e7eec045d4d47504c86820cf77ef47ec97172666537fddac5f4d8a5a47a0de"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: High-Pressure Ammonia Flow Control Valve

## 1. Technical Definition
Precision valve for regulating ammonia flow in fertilizer production systems

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **15-80 bar at 20-40°C**. Failure boundary: **95 bar internal pressure or 150°C seat temperature**, Mechanism: **Cavitation-induced erosion at vapor pressure differential exceeding 0.7 MPa, combined with ammonia-induced stress corrosion cracking at &gt;60°C with &gt;0.1% water content**.

### 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 |
| :--- | :--- | :--- | :--- |
| Hydraulic hammer from pump cavitation at NPSH &lt;2.3 m | 8 | Stem bending exceeding 0.5 mm deflection at 65 bar | Integral accumulator with 0.5 L volume and 1.2 ms response time |
| Ammonia decomposition at &gt;200°C forming nitride deposits | 8 | Seat galling with &gt;15 N·m actuation torque at 40 bar | Stellite-6 hardfacing with 45 HRC minimum and 0.8 μm Ra surface finish |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| pressure_rating | Config-dependent | bar | Verified |
| flow_coefficient | Config-dependent | Cv | Verified |

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Ammonia Compressor**, **Pressure Transmitter**, **Control System PLC**  
**Downstream Applications**: Urea Fertilizer, Ammonium Nitrate, Ammonium Phosphate  

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

### Q: What makes this valve suitable for high-pressure ammonia applications in fertilizer manufacturing?
**A**: This valve features a 316L stainless steel body for corrosion resistance, PTFE seals for chemical compatibility, hardened chrome steel ball for durability, and meets ANSI/FCI 70-2 leakage standards, ensuring reliable performance in demanding ammonia environments.

### Q: What are the key specifications for integrating this valve into existing fertilizer production systems?
**A**: Key specifications include customizable actuator torque (Nm), flow coefficient (Cv), port size (inches), pressure rating (bar), and temperature range (°C), with standard components like seat rings, stem, and actuator mounting pad for easy integration.

### Q: How does this valve ensure precise ammonia flow control in nitrogen compound manufacturing?
**A**: The valve's precision ball mechanism, combined with PTFE seals and hardened components, provides accurate flow regulation with minimal leakage, essential for maintaining consistent ammonia ratios in fertilizer production processes.

## 6. Manufacturing Compliance
- ISO 5208:2015 INDUSTRIAL VALVES - PRESSURE TESTING OF VALVES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: High-Pressure Ammonia Flow Control Valve](https://cnfx.com/industry/fertilizers-nitrogen-compounds-manufacturing/product/high-pressure-ammonia-flow-control-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**: HIGH_PRESSURE_AMMONIA_FLOW_CONTROL_VALVE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 880ae783
