RM-1350 R7
Sensus Metering Systems
Installation andMaintenanceInstructions
Model 441-S Regulator
THE GAS INDUSTR
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Page 1: ...RM 1350 R7 Sensus Metering Systems Installation and Maintenance Instructions Model 441 S Regulator T H E G A S I N D U S T R Y ...
Page 2: ...e larger size The 1 2 union 60 contains a small orifice approximately 1 16 diameter This orifice should not be removed Also make certain this orifice is open and free of foreign material Check all connections for leaks CAUTION Turn gas on very slowly If an outlet stop valve is used it should be opened first Do not overload the diaphragm with a sudden surge of inlet pressure Monitor the outlet pres...
Page 3: ...a few turns 50e or 50i screws into 24 but should be loose by 1 2 to 1 turn 3 If orifice 29 was removed reinstall it 4 Inset lower valve assembly and screw into place by a few turns 50h screws into 50e 5 Turn upper valve assembly so Allen screw 50g is accessible through side inspection opening 6 Make the valve lock up adjustment as follows a Hold upper valve against its seat This can be done by han...
Page 4: ...usted using the correction factors on page 5 4 Installation and Maintenance Instructions Model 441 S Regulator To Change Spring 1 Remove seal cap 1 back off adjusting screw 10 remove housing cover 5 and remove spring 14 2 Insert the new spring Be sure it nests correctly onto part 15 3 Complete as per steps 7 8 and 9 under To Assemble 441 S To Service Diaphragm 1 Remove seal cap 1 back off adjustin...
Page 5: ...150 20 20 14 Diaphragm 090 72 150 20 16 Diaphragm 090 73 150 20 18 Diaphragm 090 74 150 20 20 Diaphragm 090 75 150 20 23 O Ring 11 16 I D 7 8 O D 934013 24 Diaphragm Connecting Stem 090 16 058 00 stainless steel 41 Hex Steel Nut 3 8 16 920853 42 Hex Cap Screw 3 8 16 x 1 3 8 Lg 903568 45 Travel Indicator Assembly 5 Installation and Maintenance Instructions Model 441 Regulator 2 Model 441 S Illustra...
Page 6: ...0a Valve Retaining Nut 5 8 18 905564 2 and 3 Model 441 S continued Illustration Part Number Description Number Valve Retainer standard steel 1 3 4 090 16 018 00 Valve Retainer standard 090 16 018 30 stainless steel 1 3 4 Valve Retainer v port wings 090 16 012 53 stainless steel 1 3 4 50b Valve Retainer standard steel 090 16 018 01 1 1 2 Valve Retainer standard 090 16 018 31 stainless steel 1 1 2 V...
Page 7: ... plated steel 090 22 028 02 2 1 8 Inlet Orifice stainless steel 090 22 028 52 1 3 4 Inlet Orifice plated steel 090 22 028 01 1 3 4 Inlet Orifice stainless steel 090 22 028 51 3 Outlet Orifice plated steel 090 22 029 00 3 Outlet Orifice stainless steel 090 22 029 50 29 2 1 8 Outlet Orifice plated steel 090 22 029 02 2 1 8 Outlet Orifice stainless steel 090 22 029 52 1 3 4 Outlet Orifice plated stee...
Page 8: ...2 1 2 14 1 2 Flanged ANSI 300 10 1 2 12 1 2 14 1 2 Pipe Size D E G M N of 441 S 2 6 24 See 5 7 3 6 24 Table 5 7 4 9 1 2 26 Below 5 8 Sensus Metering Systems 2007 Made in USA 805 Liberty Boulevard DuBois PA 15801 800 375 8875 Fax 814 375 8460 www sensus com Limited Warranty Seller warrants the Goods to be free from defects in materials manufactured by Seller and in Seller s workmanship for a period...
