Transcription of 627 Series Pressure Reducing Regulators
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627 Series Pressure Reducing Regulators
Bulletin D101331X012 627 Series December 2021. 627 series pressure reducing regulators Introduction The 627 Series direct-operated Pressure Reducing Regulators (Figure 1) are for low and high- Pressure systems. These Regulators can be used with natural gas, air or a variety of other gases. Performance characteristics vary according to construction (see the Specifications section). Features Internal Relief Valve Types 627R, 627LR, 627MR and 627 BMR Regulators have an internal relief valve, which in many cases eliminates the usual requirement for an external relief valve, thereby Reducing equipment and maintenance costs. Refer to the Specifications section for performance data. Types 627R, 627LR, 627MR and 627 BMR Travel Stop The internal relief valve still works if the disk or linkage fails. The pusher post (Figure 10) contacts the travel stop of the lever retainer and, as the diaphragm continues to rise, it opens the relief valve.
Nitrile (NBR) Disk-40 to 180 -40 to 82 Dipahragm Fluorocarbon (FKM) Disk 0 to 180 -18 to 82 Diaphragm Nylon (PA) Disk -40 to 180 -40 to 82 Neoprene (CR) for Types 627H, 627HM and 627BHM only Diaphragm -40 to 180 -40 to 82 Neoprene (CR) for Types 627HOSX and 627HMOSX only Diaphragm -20 to 180 -29 to 82 Nitrile (NBR) for Types 627OSX and …
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