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Sensus 441-57S, Installation And Maintenance Instructions Manual

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Sensus 441-57S Installation And Maintenance Instructions Manual Download Page 6

Side Inspection Plate

39

38

31

54

26

27

29

26

27

28

25

24

23

22a

22

20

19

17

16

45

13

12

11

10

32

33

34

35

1

1a

4

6

5

7

8

14

42

41

36a

60

40

34

36

35

37a

i

b

c

d

e

a

b

d

c

g

h

50

See General 

Note 6, p.3

14a
14b

37

a

d

6

Typical Arrangements and Dimensions Model
(Indoor or Outdoor Installation)

1

(Minimum Service Space)

10
11

Set

 Adjustment

Screw

for Desired

Outlet Pressure

Inlet

Remove Vent

(If Required)

441-57S

60

Downstream
Control Line

A

Control

Connection

Outlet

N

F

D

E

C

B

Vent

M

(Minimum Service Space)

Regulator

F (Face to Face, in.)

Body Type

2" Pipe

3" Pipe

4" Pipe

6" Pipe

Screwed

10

–

–

–

Flanged
ANSI 125 

10

11 

3

⁄

4

13

7

⁄

8

17

3

⁄

4

Flanged
ANSI 250

10

1

⁄

2

12

1

⁄

2

14

1

⁄

2

18

5

⁄

8

Flanged
ANSI 300 

10

1

⁄

2

12

1

⁄

2

14

1

⁄

2

18

5

⁄

8

Flanged
ANSI 600 

11

1

⁄

4

13

1

⁄

4

15

1

⁄

2

20

Model 441-57S 
General Assembly 4" Model

Installation and Maintenance Instructions

Model 441-57S Regulator

Summary of Contents for 441-57S

Page 1: ...Models 441 57S Regulator RM 1360 R9 Installation and Maintenance Instructions ...

Page 2: ... occurs in a safe area away from buildings open flames collection areas arcing devices etc Regulators that are installed indoors or in a non vented area must be vented to the outside Simply run vent piping from the regulator vent connection to a non hazardous location on the outside away from any potential sources of ignition The vent piping must be connection size or larger and piped to a safe ar...

Page 3: ... to prevent vent blockage and minimize the chances for foreign material from collecting in the vent side of the regulator diaphragm 5 Use lubricants sparingly and with care to avoid exposing tacky surfaces to the gas stream Such surfaces could cause dirt accumulation on close clearance parts Use moly or silicone type lubricants Avoid the use of petroleum base types Lubricate the stem 24 the guide ...

Page 4: ...rough 5 under section To Remove Valves 2 Remove inlet orifice 28 as follows a Remove seal cap 1 back off adjusting screw 10 remove housing cover 5 and remove spring b Remove bottom plate 33 and then unscrew valve assembly by grasping 50h and turning 50e or 50i unscrews from 24 c Remove diaphragm case assembly by first opening union 60 and removing cap screws 34 d Remove cap screws 26 and remove in...

Page 5: ...necessary 7 Insert top spring button 12 Be sure it is nested correctly on the spring Also make sure that ball 13 is in place 8 Install housing cover 5 Be sure the lower end of adjusting screw 10 fits into the hole in button 12 9 Set adjusting screw 10 for desired outlet pressure Firmly tighten nut 11 and replace seal cap 1 Over Pressurization Protection Protection must be provided for the downstre...

Page 6: ...Set Adjustment Screw for Desired Outlet Pressure Inlet Remove Vent If Required 441 57S 60 Downstream Control Line A Control Connection Outlet N F D E C B Vent M Minimum Service Space Regulator F Face to Face in Body Type 2 Pipe 3 Pipe 4 Pipe 6 Pipe Screwed 10 Flanged ANSI 125 10 11 3 4 137 8 173 4 Flanged ANSI 250 101 2 121 2 141 2 185 8 Flanged ANSI 300 101 2 121 2 141 2 185 8 Flanged ANSI 600 11...

Page 7: ...odel D E M N 2 Pipe 6 24 5 7 3 Pipe 6 24 5 7 4 Pipe 91 2 25 5 8 6 Pipe 12 281 2 5 14 Outlet Nominal Pressure Spring Diaphragm Min to Max Color Size I D 3 to 6 psi Yellow 5 to 9 psi Gray 7 1 2 to 15 psi Blue 12 1 2 to 30 psi Red 5 all ranges 25 to 55 psi Brown 50 to 75 psi Black 70 to 100 psi Brown plus White White colored spring is nested within brown Spring Ranges Dimensions in Inches Installatio...

Page 8: ...ce Plug 090 16 361 01 and Steel Union Assembly 90 Nameplate 090 00 086 05 91 Nameplate round 090 16 086 00 92 Rd Hd Type U Drive Screw 903004 4 x 3 16 Lg 93 Rd Hd Machine Screw 914402 6 32 x 1 4 Lg 2 and 3 Models Illustration Part Number Description Number 22 Lower Diaphragm Plate 091 00 022 00 22a O Ring 5 8 x 3 4 902922 23 O Ring 11 16 x 7 8 934013 24 Diaphragm Connecting Screw 090 16 058 00 sta...

Page 9: ...e Assembly 1 3 4 brass trim Polyurethane 090 16 515 32 Red 65 75 Duro Valve Assembly 1 3 4 stainless steel trim 090 16 515 52 50 Polyurethane Red 65 75 Duro Valve Assembly 1 1 2 brass trim Polyurethane 090 16 515 33 Red 65 75 Duro Valve Assembly 1 1 2 stainless steel trim 090 16 515 53 Polyurethane Red 65 75 Duro 6 Models Illustration Part Number Description Number 22 Lower Diaphragm Plate 091 00 ...

Page 10: ...lamp Screw for 1 1 2 valve only 090 16 046 01 50h Male Valve Stem brass 090 16 016 01 Male Valve Stem stainless steel 090 16 016 02 4 Models Illustration Part Number Description Number Valve Assembly 3 brass trim Polyurethane Red 65 75 Duro 090 22 515 40 Valve Assembly 3 stainless steel trim Polyurethane 090 22 515 60 Red 65 75 Duro Valve Assembly 2 1 8 brass trim 50 Polyurethane Red 65 75 Duro 09...

Page 11: ...043 03 reduced valve only Adjustment Clamp Screw 50g Soc Hd Screw 5 16 18 x 1 Lg 903498 Adjustment Clamp Screw for 2 1 8 reduced valve only 903494 Male Valve Stem stainless steel 090 24 116 01 50h Male Valve Stem brass for 2 1 8 reduced valve only 090 24 116 10 Stem Extension stainless 090 24 062 04 50i Valve Stem Hex Extension stainless for 2 1 8 reduced valve only 090 16 062 11 Travel Stop for 4...

Page 12: ...ffective unless buyer notifies Seller in writing of any purported defect or nonconformance with thirty days after Buyer discovers or should have reasonably discovered such purported defect or nonconformance and 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 nonconforma...

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