The PR-1 Series is a versatile pressure reducing regulator designed to fulfi ll a wide range of needs in instrumentation sample systems and other applications such as semiconductor processing gases. Many features of the PR-1 make it ideal for a wide range of applications controlling pressures at low to moderate flows in gas or liquid service. 316L body material is used to facilitate welded connections. Stainless steel caps and adjusting screws prevent atmospheric corrosion and maintain appearance. Enhanced internal body surface finish of better than 25 Ra plus electropolishing allows easier cleaning and potentially less particle contamination in the flow stream.

Five different seat materials, three alternate orifice sizes and seven pressure control ranges with stainless diaphragms off er the user a wide spectrum of capabilities for pressure control with inlet pressures up to 6000 psig and standard operating temperatures up to 500° F (260° C).

Standard Features:

• Gas or liquid service
• 316L stainless steel construction
• Electropolished body with better than 25 Ra finish in diaphragm cavity
• 20 micron inlet filter
• Bubble tight shutoff
• Available Cv's from 0.025 to 0.50. A Cv of 0.06 is standard.
• Outlet pressure ranges are 10, 25, 50, 100, 250, 500 and 750 psig
• Proof pressure is 2 times maximum working pressure
• Burst pressure is 4 times maximum working pressure
• Weight: 1.9 lbs (0.86 kg)
• Mounting style is surface or panel

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