Western Enterprises Regulator Inlet Nipple - Brass, 1/4" NPT, 2-1/2", CGA-320/330 with Check Valve

Western Enterprises regulator inlet nipples provide secure, leak-proof connections for CO2 and corrosive gas applications. This brass nipple features dual CGA-320/CGA-330 compatibility with an integrated check valve for enhanced safety in manifold systems and gas distribution setups.

Engineered for reliable performance in demanding industrial environments, this nipple meets stringent CGA specifications and supports pressures up to 3000 PSIG. The brass construction offers excellent corrosion resistance while maintaining dimensional stability across temperature variations.

• Gas Service: Carbon Dioxide (CO2) and Non-Corrosive/Corrosive Gases
• CGA Compatibility: CGA-320 and CGA-330 connections
• Thread Size: 1/4" NPT
• Length: 2-1/2 inches
• Material: Brass construction
• Integrated Check Valve: Prevents reverse gas flow
• Weight: 0.03 lb
• Pressure Rating: Up to 3000 PSIG (20,700 kPa)

Compatible Components

• CO-2 — Brass Nut, .830"-14 NGO RH Female for CGA-320
• CO-3 — Brass Nipple, 1/4" NPT, 2" Long with washer
• CO-4 — Brass Nipple, 1/4" NPT, 2-1/2" Long with washer
• CO-1TW — PTFE Snap-In Washer for CGA-320
• CO-5 — Fiber Flat Washer for CGA-320
• CO-6 — PTFE Flat Washer for CGA-320
• CO-6N — Nylon Snap-In Washer for CGA-320
• SS-334 — Stainless Steel Nut for CGA-330
• 335 — PTFE Washer for CGA-330

This dual-service nipple accommodates both standard CO2 regulators (CGA-320) and equipment designed for corrosive gas service (CGA-330), making it versatile for welding shops handling multiple gas types. The factory-installed check valve provides additional protection against dangerous backflow conditions in manifold installations.