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Explosion-Proof, UL & CSA Listed for Class I, Groups B, C & D and Class II, Groups E, F & G. The\u00a0DWYER<\/a> Series H2<\/a> Dual-Action Explosion-proof Pressure Switches is designed for sequencing two different actions as pressure of a liquid or gas increases or decreases. The design consists of two concentric pistons operated by a single diaphragm with one pressure chamber. Each piston actuates a separate switch independent of the other. DWYER Series H2 Dual-Action Explosion-proof Pressure Switches may be adjusted to operate together, at opposite ends of the range or at two intermediate set points.<\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":"Features<\/h1>\n
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Specifications<\/h1>\n
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Models & Ordering<\/h2>\n
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\n Model<\/th>\n Description<\/th>\n<\/tr>\n \n H2S-1<\/td>\n Duotect\u00ae dual-action explosion-proof pressure switch, 3-40 psig (0.21-2.76 bar) low range, 5-75 psig (0.35-5.17 bar) high range<\/td>\n<\/tr>\n \n H2S-2<\/td>\n Duotect\u00ae dual-action explosion-proof pressure switch, 25-250 psig (1.72-17.2 bar) low range, 30-400 psig (2.07-27.6 bar) high range<\/td>\n<\/tr>\n \n H2S-3<\/td>\n Duotect\u00ae dual-action explosion-proof pressure switch, 100-1000 psig (6.89-68.9 bar) low range, 150-1500 psig (10.3-103 bar) high range<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n