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Features
Oversized Diaphragm provides sensitive, accurate, low-pressure control. Remote Adjustment prevents accidental outlet pressure change. Large, 21/2" Gauge permits accurate, easy reading. Lightweight Construction permits easy handling and installation.
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Specifications
Maximum Inlet Pressure: 250 psig Outlet Pressure Range: 1 - 5 psig Relief Valve Setting: 12 psig Inlet Gauge Range: No Gauge Delivery Gauge: 0 - 15 Capacity: 750 scfh @ Max Delivery Pressure Flow Capacity: Cv = 0.002 Designed Leak Rate: Bubble-Tight (helium) Weight: 3 lbs Ports: (4) 1/4" FNPT Ambient Operating Temperature: -40° F to +150° F
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Product Attributes
These regulators are specifically designed to provide sensitive, accurate, low-pressure control for laboratory applications. They feature an oversized “pancake” body of magnesium alloy with a Buna-N diaphragm. These regulators are typically used in conjunction with other high-pressure regulators or on house-line systems that limit inlet pressure to 250 psig (except on model N570K the inlet pressure limit is 10 psig). Regulators are adjusted easily by removing the knurled nut and turning the screw to alter the tension on the diaphragm. Because these regulators are not typically recommended for direct connection to cylinders, they are provided with a 1/4" FNPT inlet port. Direct cylinder connection is only permissible when using liquefied compressed gases with vapor pressures below 250 psig such as 1,3-butadiene, n-butane, isobutane, isobutylene, propane, and propylene. With these products, a CGA-510 connection must be used.
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