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Type 627: Direct-operated pressure reducing regulator
equipped with a pitot tube for greater regulated capacities.
Type 627R: Type 627 with internal relief and with an open throat.
Type 627LR: Type 627R with light rate relief spring
Type 627M: Type 627 with a stem seal between the body
outlet pressure and diaphragm case. Pressure is measured
under the diaphragm through the 1/4 NPT downstream control
line connection.
Type 627MR: Type 627M with internal relief.
Type 627H: Type 627 with a diaphragm limiter to deliver a higher
outlet pressure.
Type 627HM: Type 627H with a stem seal between the body
outlet pressure and diaphragm case. Pressure is measured
under the diaphragm through the 1/4 NPT downstream control
line connection.
