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Summary of Contents for Sensus 461-57S
- Page 1 RM-1331 R9 Sensus Metering Systems Model 461-57S Regulator Installation Maintenance Instructions...
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Page 2: Installation And Start-Up
Introduction generally preferable to locate the control connection in the larger size. The heart of the Model 461-57S is the “Roll-Out” Diaphragm. The The 1/4" union 20 contains a small orifice, approximately 461-57S is a spring regulator with performance which approxi- 1/16"... - Page 3 Installation and Maintenance Instructions Model 461-57S Regulator Figure 1. Typical Arrangement and Dimensions (indoor and outdoor installation) Regulator Body Type (Face to Face, in.) (Minumum Service Space) 5" Screwed6-1/2 Flanged ANSI 125 Remove Vent Flanged ANSI 250 10-1/2 Self Adjustment...
- Page 4 Install upper diaphragm case per step 7 under the roll-out is uniform and in place. (Use a flashlight, if necessary). “To Service Diaphragm”. Complete as per steps 8, 9, and 10 under “To Assemble 461-57S”. Replace bottom inspection plate 14 (with double seat valve, To Service Diaphragm engage pin in 13 with slot in lower end of 12j, then rotate 14 until holes line up to install cap screws 16).
- Page 5 Split Lockwasher 5/8" 932531 Other Gases Diaphragm Stem 091-00-058-00 Model 461-57S Regulators are mainly used on natural gas. However, 1" Double Seat Valve Assembly 091-16-515-01 they perform equally well on LP gas, nitrogen, dry CO , air and others. brass trim, Buna-N 1"...
- Page 6 Installation and Maintenance Instructions Model 461-57S Regulator Condensed Parts List Condensed Parts List Illustration Part Illustration Part Number Description Number Number Description Number Valve Stem – stainless for Molded Valve, Viton 091-00-016-06 11/16" single seat assembly (65-75 Duro, stamped V), 091-16-315-12 Valve Retainer –...
- Page 7 Installation and Maintenance Instructions Model 461-57S Regulator Condensed Parts List Condensed Parts List Illustration Part Illustration Part Number Description Number Number Description Number Valve Locknut – brass for Inlet Orifice – 1" brass 091-16-028-01 091-16-102-00 double seat assembly Inlet Orifice – 1" stainless 091-16-028-05 Valve Locknut –...
- Page 8 (D) shall only extend to Buyer and not to any subsequent buyers or users of the Goods. Buyer shall provide Seller access to the Goods as to which Buyer claims a purported defect or nonconformance; upon request by Seller, Buyer shall, at its own risk and expense, promptly return the Goods in question to Seller’s Plant. © Sensus Metering Systems 2007 Made in USA...
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