Fisher RSS Instruction Manual Download Page 7

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Instruction Manual

D101299X012

RSS Valve

July 2017

Figure 5. Bonnet, Travel Stop, and Seat Ring Installation Detail

VALVE
STEM
(KEY 5)

LOCKNUT
(KEY 10)

YOKE
LOCKNUT
(KEY 14)

BONNET
LOCATING
DIAMETER

TRAVEL
STOP
(KEY 15)

BONNET
(KEY 2)

0.6 mm
(O.020 INCH) GAP

EQUAL AT ALL BOLTING
LOCATIONS

BELLOWS
(KEY 6)

VALVE
PLUG
(KEY 3)

SEAT RING
CONTACT SURFACE

SEAT RING
SEALING LEDGE

29B2880-B
E1021

40B4191-E

Summary of Contents for RSS

Page 1: ...ned globe style valve figure 1 has pure modified PTFE trim parts push down to close action and positive shutoff This valve is intended for applications involving severely corrosive and toxic flowing m...

Page 2: ...s Positive Pressure Service 29 to 180_C 20 to 360_F Vacuum Service 29 to 180_C 20 to 360_F Standard Flow Characteristic Valve Plug Style Equal percentage Flow Direction Up through the seat ring see fi...

Page 3: ...existing application also refer to the WARNING at the beginning of the Maintenance section in this instruction manual CAUTION When ordered the valve configuration and construction materials are selec...

Page 4: ...us operation is required during inspection or maintenance install a three way bypass around the control valve assembly 4 For a valve used with a fail closed actuator remove the shim key 24 not shown f...

Page 5: ...ctuator Be sure the actuator cannot suddenly open or close the valve D Use bypass valves or completely shut off the process to isolate the valve from process pressure Relieve process pressure from bot...

Page 6: ...0 100 50 20 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 gauge pressure bar 1 0 232 203 188 174 159 145 130 116 101 87 72 5 58 43 5 gauge pressure psi 14 5 0 217 29 29 20 STANDARD PTFE BELLOWS Figure 4 Downst...

Page 7: ...ng Installation Detail VALVE STEM KEY 5 LOCKNUT KEY 10 YOKE LOCKNUT KEY 14 BONNET LOCATING DIAMETER TRAVEL STOP KEY 15 BONNET KEY 2 0 6 mm O 020 INCH GAP EQUAL AT ALL BOLTING LOCATIONS BELLOWS KEY 6 V...

Page 8: ...key 11 Unscrew the cap screws key 7 and hex nuts key 8 that secure the bonnet key 2 to the valve key 1 Then carefully lift the bonnet off and set it on a protective surface to prevent damage to the bo...

Page 9: ...ing rings are seated After the packing rings are seated loosen the packing follower one half turn 12 Manually press the valve stem key 5 into the valve until the valve plug contacts the seat ring CAUT...

Page 10: ...84 5 7 1 5 6 7 9 7 6 222 3 91 3 91 5 103 7 104 2 111 9 112 7 7 1 5 6 7 9 7 6 300 4 105 9 106 2 118 2 118 5 126 2 127 0 7 1 5 6 7 9 7 6 300 VALVE SIZE NPS DIMENSIONS INCHES AO BO CO D E F G 1 1 45 1 46...

Page 11: ...ise rotation by hand Do not overtighten 4 To remove the valve plug key 3 use pliers to remove the locking rope key 9 that locks the valve plug to the bellows key 6 as shown in figure 6 Then unscrew th...

Page 12: ...e valve body liner make or order the seat ring tool shown in figures 7 and 8 Installing the seat ring using other tools might cause permanent damage to the seat ring sealing surface and or threads all...

Page 13: ...ent part order by valve size serial number and desired material 2 Bonnet Bushing Assembly If you need a bonnet bushing assembly as a replacement part order by valve size and stem diameter serial numbe...

Page 14: ...DETAIL OF BONNET FOR NPS 3 AND 4 VALVES DETAIL OF HEAVY DUTY PTFE BELLOWS CONSTRUCTION 40B4191 E A3598 3 BELLOWS BELLOWS SUPPORT RING LOCKING ROPE VALVE PLUG DETAIL OF NPS 3 AND 4 U PLUG COMPLETE VAL...

Page 15: ...s of the 40 millimeter port is 1 575 inches and of the 96 millimeter port is 3 780 inches 2 NPS 1 valve with 15 mm 0 591 inch travel Key 4 Seat Ring VALVE SIZE NPS PORT DIAMETER 1 PART NUMBER mm Inche...

Page 16: ...ailable upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 1986 2017 Fisher Controls International LLC All rights reserv...