ASME Section VIII, Gas, 'UV' National Board Certified Valves

Model Descriptions

• Model 230: 1/4-inch Male NPT - 300/1500 psig.
• Model 330: 1/4-inch Male NPT - 1000/5500 psig. Aluminum housing, SS trim (seat and disc with synthetic insert). Sidewall discharge.
• Model 330S: Same as Model 330 except SS body suitable for 2000/6500 psig.
• Model 333S: Same as 330S except 1/2-inch Female NPT side outlet. Pressure-tight cap.

Pressure and Temperature Limits

• Model 230: 300 to 1500 psig -20° to 185°F
• Model 330: 1000 to 5500 psig -20° to 185°F
• Model 330S: 2000 to 6500 psig -20° to 185°F
• Model 333S: 2000 to 6500 psig -20° to 185°F

Applications

• Multi-stage high pressure compressors, intercoolers and aftercoolers.
• High pressure receivers and storage bottles.
• Thermal expansion relief.

Options
No Options Available

Features and Benefits

• Lightweight aluminum construction. Resistant to environmental and internal corrosion.
• Aluminum parts are anodized for corrosion resistance.
• Model 230 is direct spring-loaded design with synthetic disc insert.
• Model 330 series incorporates a differential mechanism which maintains a predetermined seat-contact load.
• The full spring load is never imparted to synthetic disc insert (models 330, 330S, and 333S only).
• Seat tightness increases to a maximum as inlet pressure approaches the opening pressure.