Fisher RSS Instruction Manual Download Page 14

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Instruction Manual

D101299X012

RSS Valve

July 2017

Figure 10. Fisher RSS Valve Assembly

VIEW A

VIEW B

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 VALVE BODY ASSEMBLY

NOTE: KEYS 17, 19, 20, 21, 22
23, 24, 25, AND 26 ARE NOT SHOWN

40B4191-E

SEE VIEW B

SEE VIEW A

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...