Spirax Sarco 37D Installation And Maintenance Instructions Manual Download Page 9 | Manualshive

Page: 9 / 28

background image

IM-P102-04

CTLS Issue 7

9

Steam

Steam

Bypass valve

Fullway valve

Fullway valve

Strainer with

blowdown cock

Strainer

Strainer

Separator

Strainer with blowdown cock

Fig. 2 Alternative installation fitted with a separator

Steam trap

Steam trap

Sight glass

Sight glass

Fullway valve

To process

37D temperature control

Recommended installation

«
...
7
8
9
10
11
...
»

Summary of Contents for 37D

Page 1: ...Safety information 2 Installation 3 Start up 4 Maintenance 5 Spare parts 6 Fault finding Copyright 2018 Printed in GB 1020026 7 37D and 37DE Temperature Controls Installation and Maintenance Instructi...

Page 2: ...IM P102 04 CTLS Issue 7 2...

Page 3: ...Pressure Equipment Directive The products use on other fluids may be possible but if this is contemplated Spirax Sarco should be contacted to confirm the suitability of the product for the applicatio...

Page 4: ...void danger of burns 1 9 Tools and consumables Before starting work ensure that you have suitable tools and or consumables available Use only genuine Spirax Sarco replacement parts 1 10 Protective clo...

Page 5: ...onments where they may be exposed to temperatures below freezing point 1 15 Disposal These products are recyclable No ecological hazard is anticipated with the disposal of these products providing due...

Page 6: ...anged to open the valve when the coil is energised so that whatever switching device is used it must be arranged to break the current to close the main valve In this way the unit will always fail safe...

Page 7: ...IM P102 04 CTLS Issue 7 7 Temperature control unit Control head securing screws Solenoid valve 37DE 37D Fig 1...

Page 8: ...be of the fullway type 2 6 Removal of condensate Ensure that the pipework is adequately drained so that the valve is supplied with dry steam The ideal arrangement is to fit a separator in the steam s...

Page 9: ...way valve Strainer with blowdown cock Strainer Strainer Separator Strainer with blowdown cock Fig 2 Alternative installation fitted with a separator Steam trap Steam trap Sight glass Sight glass Fullw...

Page 10: ...ion nipple U until the O ring V seats in the union nipple as shown in Fig 4 and screw home the gland nut W to compress the O ring The gland nut needs to be little more than finger tight Do not overtig...

Page 11: ...to control from room temperature the plain bulb Fig 3 is used and a bracket and protective shield is provided Fig 7 It is essential that the sensor be fitted in such a position that it can sense the...

Page 12: ...he normal way allow 30 minutes for it to settle down then check the temperature against a reliable thermometer this check reading should be taken as close to the control point as possible to ensure th...

Page 13: ...for a complete overhaul and ideally this should be carried out with the valve removed from the line The parts that may require replacing or refurbishing are listed below Main valve seat and valve hea...

Page 14: ...control system may be strained 1 Undo the three screws and lift of the adjustment head 2 Unscrew the packless gland housing 21 mm A F and remove with the push rod assembly and return spring 3 Unscrew...

Page 15: ...push rod assembly with return spring and replace the packless gland housing tighten to 40 N m 30 lbf ft 15 Refit the adjustment head Bring the valve back into commission by following as many steps as...

Page 16: ...Remove the pilot valve housing complete with the adjustment head 19 Remove the screen and clean 20 Ensure the gasket faces are clean 21 Check that the main valve return spring is in position 22 Fit a...

Page 17: ...ean 30 Replace the diaphragm plate and push rod assembly and loosely fit the lower diaphragm chamber on two bolts either side of the union connection to locate spigot in recess 31 Bring the two new di...

Page 18: ...screen and clean 38 Remove the main valve spring and the main valve head 39 Remove the main valve seat Examine the faces of the main valve head and seat If they are only slightly worn both the main v...

Page 19: ...nuts and pull away 42 Undo the M12 nuts and bolts 43 Drop away the lower diaphragm chamber the two diaphragms diaphragm plate and the push rod assembly 44 Refit the push rod assembly 45 Refit the mai...

Page 20: ...refit the M12 nuts and bolts Progressively and evenly tighten to a torque of 75 N m 52 Retighten the long union nut to ensure a steam tight seal 53 Ensure the gasket faces are clean 54 Refit the main...

Page 21: ...h a replacement thermostatic system it may be found that the points cannot be moved far enough to reach the desired reading on the scale when the medium around the bulb is at the correct temperature I...

Page 22: ...are now accessible for cleaning replacement Replace worn or damaged parts with a complete Spare parts kit item W for best results 70 Reassemble in reverse order paying careful attention to the explode...

Page 23: ...f a b c d e Main diaphragm a a a b a a a b b c c Pilot valve assembly a a a a a a a a a a a Pilot valve packless gland set a a a a a a a a a a a Main valve assembly a b c d a b c d e f g Internal stra...

Page 24: ...les of 2 m up to a maximum of 14 m at extra cost O ring for sensor bulb adaptor 3 pieces U Control pipe assembly P Gasket set 3 off R Set of pilot valve housing securing stud and nuts set of 4 S Set o...

Page 25: ...s connector If the latter is removed for any reason it is essential that the split pin is retained and refitted Pilot valve packless gland set Solenoid valve assembly Pilot valve assembly Pilot valve...

Page 26: ...t the valve is not closing properly this could be caused by one of the following Control orifice is blocked For access remove pipe assembly and clear orifice with fine wire Do not use a drill or any o...

Page 27: ...steam is turned on and that the strainers are clean 6 4 3 Pipe assembly blocked Remove by uncoupling unions and blow through to clear obstruction 6 4 4 Diaphragm fractured 6 5 Pilot valve packless gl...

Page 28: ...IM P102 04 CTLS Issue 7 28...

Reviews:

No comments

Related manuals for 37D

Brand: V2 Pages: 12

Brand: z21 Pages: 2

Brand: POLA Pages: 2

Wireless Blade FX Controller for Wii

Brand: Datel Pages: 2

Brand: Quickie Pages: 64

SYSVRF AHU 10HP S

Brand: SystemAir Pages: 16

Brand: Zapi Pages: 30

CONPAL NCB-8C-SR

Brand: Nabtesco Pages: 24

Brand: Progres Pages: 2

Brand: J+J Pages: 91

TROVIS 6495 Series

Brand: Samson Pages: 156

SoundLinQ SL2xD2

Brand: Vais Technology Pages: 21

Brand: Resol Pages: 60

Brand: Conotec Pages: 2

iBootBar iBP-N15

Brand: Dataprobe Pages: 21

Switch Pak A*13 series

Brand: FlowLine Pages: 6

Brand: AC Infinity Pages: 20

SWISS QUANTUM+ Time Controller Series

Brand: Id Quantique Pages: 92

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands