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PENN Controls Products Catalog

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Materials Table 301: North American V248 Materials Nominal Valve Size: Material 3/8 in. to 3/4 in. (Commercial) 1 in. to 1-1/2 in. (Commercial) Maritime (All Sizes) Body Cast brass Cast iron/rust resisting finish Cast bronze Seat Aluminum bronze Aluminum bronze Monel Disc BUNA-N BUNA-N BUNA-N Disc Cup Brass Brass Monel Disc Stud Brass Brass Monel Stem/Extension Sleeve Brass Brass Monel Diaphragms Nylon reinforced BUNA-N Nylon reinforced BUNA-N Nylon reinforced BUNA-N Refrigerant Contact Cup 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel Bellows 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel Pressure Element Bellows Ring Steel/nickel plated Steel/nickel plated Steel/nickel plated Table 302: European V248 Materials Nominal Valve Size: Material 3/8 in. to 3/4 in. (Commercial) 1 in. to 1-1/2 in. (Commercial) Maritime (All Sizes) Body Hot forged brass Cast iron/rust resisting finish Cast bronze Seat Aluminum bronze Aluminum bronze Monel Disc BUNA-N BUNA-N BUNA-N Disc Cup Brass Brass Monel Disc Stud Brass Brass Monel Stem/Extension Sleeve Brass Brass Monel Diaphragms Nylon reinforced BUNA-N Nylon reinforced BUNA-N Nylon reinforced BUNA-N Refrigerant Contact Cup 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel Bellows 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel Pressure Element Bellows Ring Steel/nickel plated Steel/nickel plated Steel/nickel plated V248 Series Pressure-Actuated Water-Regulating Valves for High- Pressure Refrigerants technical specifications Specification Description Maximum Working Pressure 630 psig (43.4 bar) Factory-Set Opening Point (Port 1 to Port 2) 275 psig (19.0 bar) Opening Point Adjustment Range (Port 1 to Port 2) 200 to 400 psi (13.8 to 27.6 bar) Throttling Range 120 psi (8.3 bar) for 1/2 in. size 100 psi (6.9 bar) for 3/4 in., 1 in., and 1-1/4 in. sizes 140 psi (9.6 bar) for 1-1/2 in. size Media 150 psig (10.3 bar) maximum, -4°F to 170°F (-20°C to 77°C) glycol/water or liquids with low freezing points that are compatible with valve materials 282 Refrigeration Products Catalog

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