By Go Rapid Solutions Procurement Team • 2026-03-15 • 7 min read
Pneumatic Fittings and Solenoid Valve Guide
Guide to selecting pneumatic fittings, tubing, and solenoid valves for industrial automation. Covers sizing, materials, and procurement best practices.
Fitting Types and Connection Standards
Push-in, compression, and threaded fittings each serve different pressure ratings and installation requirements. Match fitting type to your air system pressure and tube material.
BSP and NPT thread standards are both common in Indian industry. Standardizing on one thread type reduces inventory complexity and prevents cross-threading issues.
Solenoid Valve Selection
Valve function (2/2, 3/2, 5/2), port size, operating pressure, and voltage determine the correct solenoid valve. Mismatch between valve specification and application causes unreliable automation.
For corrosive environments in chemical plants, stainless steel body valves and FKM seals are necessary. General purpose applications can use brass body valves with NBR seals.
Tubing and System Design
Polyurethane and nylon tubing are the most common choices for factory air systems. Size selection affects flow capacity and pressure drop through the system.
Plan tube routing, support, and protection at the design stage. Poorly supported tubing leads to kinks, leaks, and production interruptions.
Procurement for Automation Components
Pneumatic components are often urgently needed when production lines experience failures. Maintain minimum stock of critical valves and fittings.
Partner with a local supplier who stocks common sizes and types for faster turnaround than importing each replacement component individually.
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