Farris Engineering 2700 Series Maintenance Manual Download Page 1 | Manualshive

Page: 1 / 12

background image

Technical Manual 197T

Series
2700
Maintenance
Manual

Visit www.boighill.com to request a quote.

Visit www.boighill.com to request a quote.

1
2
3
...
»

Summary of Contents for 2700 Series

Page 1: ...Technical Manual 197T Series 2700 Maintenance Manual Visit www boighill com to request a quote Visit www boighill com to request a quote ...

Page 2: ...SASSEMBLY OF VALVES Dismantling 5 Lifting Lever Assemblies 6 3 REFACING LAPPING Body Refacing 7 Disc Relapping 7 Lapping Compounds Procedures 7 4 ASSEMBLY 8 5 SETTING TESTING Testing Procedure 8 Set Pressure Test 8 Seat Leakage Test 9 Backpressure Test 9 Final Notes 10 Appendix A Critical Seat Disc Dimensions 11 Visit www boighill com to request a quote Visit www boighill com to request a quote ...

Page 3: ...ged 150RF 2 Flanged 300RF 3 Flanged 600RF 4 Flanged 900RF 5 Flanged 1500RF 6 Flanged 2500RF S Socket Weld T Sanitary V VCR W Welding Nipple Special Variations H High pressure variations of standard types Cap Construction 2 Plain 4 Packed Lever 7 Open Lever Test Gag 0 No Gag 1 Test Gag Special Materials S4 Complete 3 16 St St S7 NACE Trim M1 Monel Body Disc M2 Monel Trim M4 Complete Monel H1 Hastel...

Page 4: ...Wire Lead Seal 16 Nameplate Not Shown Stainless Steel 17 Welding Nipple Inlet 316 St St 18 Welding Nipple Outlet Carbon Steel 19 Lap Joint Stub End Inlet 316 St St 20 Lap Joint Stub End Outlet Carbon Steel 21 Lap Joint Flange Inlet Carbon Steel 22 Lap Joint Flange Outlet Carbon Steel 5 3 4 6 12 11 1 13 2 7 8 15 9 10 14 O Ring Design Optional 17 18 19 21 22 20 O Ring Retainer Retainer Lockscrew Bil...

Page 5: ...kwise For packed and open lever cap con struction refer to the section on Lifting Lever Assemblies Remove the cap gasket 4 Using a smooth jaw wrench hold the spring adjusting screw and remove the jam nut spring adjusting screw 5 Measure the distance from the top of the spring adjusting screw to the top of the bonnet or count the number of turns of the spring adjusting screw Use this measurement wh...

Page 6: ...ide lever off the cam 2 Remove gland from gland nut Unscrew gland nut from cap and remove packing ring and cam If any signs of leakage exist replace packing ring 3 Break wire seal and unscrew cap from bonnet Holding stem with smooth jaw pliers remove stem jam nut and stem test washer 4 Reassemble in reverse order making sure the cam lobe is pointing down Stem test washer should be adjusted to ensu...

Page 7: ...9 164 2 1 4 3 8 2 Select the appropriate lapping compound When lapping the disc operate with a light figure eight motion over entire block surface for complete contact See Figure 1 7 With this motion the complete surface of the part will be evenly lapped and you will avoid wearing a groove in the block 3 Lap disc until all blemishes and score marks have been removed As you execute the figure eight...

Page 8: ...to the same point as in disassembly if same set pressure is required Install cap gasket 10 Test the valve according to the procedure described in Section 5 After testing install the appropriate cap or lever assembly Testing Procedures Testing consists of adjusting the valve set pressure performing a seat leakage test and a backpressure test The set pressure test is always performed first Set Press...

Page 9: ...for air gas vapor service as listed in 1 3 5 Water Liquid valves are tested on water Apply test pressure as per 2 for two minutes There should be no visible sign of leakage Note When performing the seat leakage test on valves with open levers a plain screwed test cap must be used to prevent venting of the test pressure through the top of the bonnet Backpressure Test 1 The backpressure test applies...

Page 10: ...nce as to when to retire valves and replace components as well as offer a historical record of the conditions and services under which the valve operated The valve should be properly installed in service or prepared for storage If the valve is to be stored the inlet and outlet should be covered to protect against any foreign matter entering the valve Visit www boighill com to request a quote Visit...

Page 11: ...hes 2 Minimum dimension for body applies to both metal and O ring seat designs ORIFICE SIZE A B 1 2 x 1 C 3 4 x 1 0 344 0 985 1 x 1 C 1 2 x 1 High 3 4 x 1 0 344 0 985 Pressure 1 x 1 1 2 x 1 D 3 4 x 1 0 344 0 985 1 x 1 D 1 2 x 1 High 3 4 x 1 0 344 0 985 Pressure 1 x 1 E 1 x 1 1 2 0 363 0 821 F 1 1 2 x 2 0 734 0 950 G 1 1 2 x 2 1 2 0 738 0 910 B A DISC BODY Visit www boighill com to request a quote ...

Page 12: ... product or process in conflict with any patent Farris Engineering reserves the right without notice to alter or improve the designs or specifications of the products described herein Farris Engineering 2001 Printed in USA 9 01 2M R1 10195 Brecksville Road Brecksville OH 44141 USA Telephone 440 838 7690 Fax 440 838 7699 www cwfc com Facilities Brecksville OH USA E Farmingdale NY USA Brantford Onta...

Reviews:

No comments

Related manuals for 2700 Series

Brand: Ransburg Pages: 49

Brand: Balboa Pages: 2

Brand: Badger Meter Pages: 20

Brand: Kasco Pages: 3

Brand: Garmin Pages: 4

SIGMA CONTROL 2

Brand: KAESER KOMPRESSOREN Pages: 246

Brand: Lawler Pages: 4

Brand: QTP Pages: 2

Brand: Xantrex Pages: 56

Brand: Xantrex Pages: 2

Freedom Sequence

Brand: Xantrex Pages: 58

Brand: Xantrex Pages: 4

Brand: Xantrex Pages: 20

SYSMAC C500-NC222-E

Brand: Omron Pages: 164

Brand: Elby Designs Pages: 4

Brand: East Coast Datacom Pages: 14

Brand: Aurora Pages: 2

Brand: Anilam Pages: 31

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