Fisher 167DA Three-Way Switching Valve
Product Introduction
The Fisher 167DA Three-Way Switching Valve is a pneumatic three-way switching valve used for gas source switching, venting, and pressure control. It can provide a stable gas source for pneumatic instruments, pressure regulating equipment, and control systems, and is suitable for the oil, gas, chemical, and industrial automation fields.
Detailed parameters
|
Feature |
Specification |
|
Max Inlet Pressure |
Standard: 125 psig (8.6 bar) |
|
NACE: 100 psig (6.9 bar) |
|
|
Set Pressure Ranges |
10–20 psig (0.7–1.4 bar) |
|
16–35 psig (1.1–2.4 bar) |
|
|
25–60 psig (1.7–4.1 bar) |
|
|
40–125 psig (2.8–8.6 bar) |
|
|
Max Diaphragm Pressure |
150 psi (10.3 bar) above outlet setpoint |
|
Maximum Limit: 250 psig (17.2 bar) |
|
|
Operating Temperature |
NBR (Standard): -29°C to 82°C |
|
NBR (Low Temp): -40°C to 82°C |
|
|
FKM (High Temp): -18°C to 149°C |
|
|
Unit Weight |
Approx. 0.5 kg (Supports panel or bracket mounting) |
Core Advantages
Sensitive Switching
Utilizing a diaphragm-driven structure, the switching pressure can be precisely adjusted with a fast response.
High Pressure Capacity
Maximum inlet pressure up to 27.6 bar (400 psig). Suitable for medium and high pressure applications, ensuring more reliable operation.
Corrosion Resistant
Supports galvanized corrosion-resistant and stainless steel construction. Suitable for humid and corrosive environments, reducing replacement frequency.
Applications
Natural Gas Pressure Regulating Station: Used for gas source switching and pressure loss protection, ensuring continuous gas supply.
Chemical Gas System: Used for process gas switching, maintaining stable pressure.
Pneumatic Instrument System: Provides a stable air source for positioners and controllers, improving control accuracy.
Compressed Air System: Used for equipment start-up and shutdown and gas path switching, reducing downtime risks.
Quality Control
Raw Materials: Materials are selected strictly according to ASTM/ASME standards to ensure strength and corrosion resistance.
Precision Machining: Key components are CNC machined with strict control over dimensional tolerances.
Performance Testing: Airtightness, pressure resistance, and operational sensitivity tests are conducted.
Factory Inspection: 100% Finished product inspection; test reports are available, and third-party inspection is supported.
FAQ
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