VICTOR 0781-0043 SR 250
Medium Duty
 
Victor 0781-0043 SR 250 Series Single Stage Medium Duty Oxygen Regulator (Model SR250D-540) offers 5 - 125 PSIG delivery range and is ideal for medium applications and for medium to large cylinders. Regulator with maximum inlet pressure of 3000 PSIG features die-forged brass body for strength as well as durability. Regulator featuring 2" brass gauges has 4000 inlet gauge range and 200 outlet gauge range. Regulator with 540 CGA inlet connection and 9/16"-18 RH(M) outlet connection has 1 3/4" fabric reinforced neoprene diaphragm that provides precise long lasting service. Single stage regulator is specifically designed for medium to high capacity. Regulator with 0.109 Cv flow coefficient has electro less nickel plated bronze sintered inlet filter. Regulator has adjusting screw for convenience. Regulator comes with long-lasting Delrin insert bushing and stainless ball in key for easy adjustment. Regulator with adjusting spring is pretested for quality assurance and has precision-machined nozzle for maximum flow control. It includes stem-type seat mechanism inlet pressure that helps in sealing and external self-reseating relief valve. Regulator measuring 6.38" X 4 1/4" X 5.13" delivers at least the stated upper range and in some cases may surpass the stated upper range. Recommended for applications where slight delivery pressure increases (due to decreasing cylinder pressure) would not affect the performance characteristics of the work or test results. Brass Adjusting Screw. Delrin Insert Bushing. Stainless Steel Diaphragm. Stem-Type Seat Mechanism. Stainless Steel Ball and Key. Adjusting Spring. Die-Forged Brass Body. Precision Machined Nozzle. ADDITIONAL FEATURES. External self reseating valve - Not designed to protect down stream equipment (no relief valve is needed on low pressure fuel gas models. Sintered inlet filter - electroless nickel plated bronze. Regulators will deliver - at least the stated upper range and in some cases may exceed the stated upper range. Design/Construction, 2" gauges - brass. 1.75" diaphragm - fabric reinforced neoprene.
 
Design/Construction
2" (50.8 mm.) diaphramgm - fabric reinforced neoprene
 
Dimensions
6.38" W x 5.13" H x 4.25" D (162.0 mm. x 130.3 mm. x 108.0 mm.)
 
Weight
2 lb 15 oz (1.33 kg)
 
Performance
Maximum inlet - 3000 psig