DWG NO.: REV.

REVISION HISTORY: ITEM PART NUMBER DESCRIPTION MATERIAL QTY

REV 1 - ECN 5581 - 2/4/22 - FH
* 1 FS26716-C17-022 MONOLITHIC PRIMARY RING CBN 1
FS58961 3 REV 2 - ECN 5883 - 8/8/22 - WC
* 2 FS26717-H02-022 CARTRIDGE SEAT MATING S SIC 1
REV 3 - ECN 6418 - 7/17/23 - WC
2.081 .770 RING
MIN N.O. BOLT SURFACE * 3 FS568-VT-126 O-RING FKM 1
* 4 FS568-VT-031 O-RING FKM 3
* 5 GG5500-TEF-022 BIG BORE GLAND GASKET PTFE 1
.601 * 6 FS10971-TEF-127 ANTI-EXTRUSION RING PTFE 1
MIN BOX 2.018 7 FS27048-TEF-022 THROTTLE BUSHING GLASS FILLED PTFE 1
16 DEPTH
8 FS27181-022 DYNAMIC DRIVE RING
ASSEMBLY
316 SS 1

SEE NOTE 7 10
9 FS27150-022 SINGLE SEAL WELDED 316 SS 1
SLEEVE ASSEMBLY
17 10 FS27146-R01-022 SPRING HOUSING 316 SS 1
11 FS27156-CST-022 GLAND 316 SS / CF8M 1
12 FS26728-R01-022 SETTING COLLAR 316 SS 1
.538 .970 [1] * 13 FS26722-R02-000 COIL SPRING ALLOY C276 6
* 14 #10-24 X 5/16 LG. CUP POINT SET SCREW 316 SS 4
B-B * 15 SHDSS 10-24 X 1/4 SLOTTED HALF DOG SET 316 SS 2
SCREW
* 16 FS23215-000 SOCKET HEAD CAP SCREW 316 SS 4
* 17 FS22798-000 SETTING CLIP POWDERED METAL 4

11
8

5
12

C-C
2.875
MIN 1.375 +- .000
BORE 1.950 3 9 4 2 1 4 6 10 4 7 .002
NOTES:
(*) RECOMMENDED SPARE PARTS
WARRANTY APPLIES TO DIMENSIONAL DATA ONLY.
COMPLETE SERVICE DATA WAS NOT SUPPLIED.
SEAL SHAFT/ 13
OD SLEEVE
2.010
[1] 3/8 NPT

5 1/4

14 SEE NOTE 6. 15

[4] 3/8 NPT 291 HURRICANE LANE

2X 30 WILLISTON, VT 05495
FLAT GASKETED GLAND
BOLT TORQUE SPECIFICATIONS
CUP POINT SET SCREW
TORQUE SPECIFICATIONS [in.-lbs.]
(802) 878-8307
SHAFT SIZE RECOMMENDED TORQUE SCREW SIZE ALLOY STEEL STAINLESS [2]/[3] CUSTOMER INFO APPLICATION DATA
1.000-2.000 in. 20 ft.-lbs. #10 36 26 CLIENT: PRODUCT:
[24-50 mm] [27 N-m]
1/4 87 70 1.064 [2]
2.125-3.250 in. 25 ft.-lbs. END USER: TEMPERATURE:
[53-80 mm] [34 N-m] 5/16 165 130 1/4 NPT LOCATION: SHAFT SPEED:
3.375-4.000 in. 30 ft.-lbs. 3/8 290 230 45
[85-100 mm] [41 N-m] 1/2 620 500 10 PLANT: BOX PRESSURE:
PLANT ITEM NO.: SUCTION PRESS.:

EQUIPMENT INFO DISCHARGE PRESS.:

CARTRIDGE SEAL INSTALLATION NOTES: OEM: VAPOR PRESSURE:
1. SURFACE OF SHAFT OR SLEEVE ON WHICH SEAL IS INSTALLED MUST BE MACHINED TO 63
RA- IN FINISH OR BETTER. EQUIPMENT TYPE: ANSI B73.1/B73.2 SPECIFIC GRAVITY:
2. LIGHTLY LUBRICATE THE SHAFT WITH A SUITABLE AND COMPATIBLE LUBRICANT TO GLAND CONNECTIONS 4X .525 SLOTS MODEL/FRAME SIZE: GROUP I VISCOSITY:
ASSIST IN INSTALLATION.
3. GENTLY SLIDE THE SEAL ON THE SHAFT WITH THE GLAND GASKET FACING, BUT CLEAR
LABEL PURPOSE
EQUI-SPACED ON A SERIAL/DWG NO.: API PLAN:
OF THE SEAL CHAMBER. 1 FLUSH
4.000 B.C. [3] 1/4 NPT
4. REASSEMBLE THE PUMP AS DESCRIBED BY THE PUMP OEM.
2 QUENCH/VENT STYLE VBSMS3 VANTAGE SERIES LARGE/TAPERED BORE
5. LUBRICATE AND TIGHTEN GLAND BOLTS USING THE LEGACY METHOD (STAR PATTERN).
6. ALTERNATELY TIGHTEN THE PROVIDED SET SCREWS UNTIL THEY ARE SECURE. 3 DRAIN 2.090 STATIONARY MULTI-SPRING CARTRIDGE SEAL WITH FVD
7. REMOVE THE SOCKET HEAD SCREWS AND SETTING CLIPS FROM THE SEAL. SAVE THESE
4 FLUSH 3 TYP. GLAND END VIEW DWG NO.: SHAFT SIZE:
FOR FUTURE USE IN SEAL REMOVAL OR IMPELLER ADJUSTMENT.
8. PLUG UNUSED CONNECTIONS. B FS58961 1 3/8
THIS CONFIDENTIAL DESIGN IS OWNED BY FLEXASEAL AND MAY NOT BE USED EXCEPT IN CONFIDENCE AND FOR THE BENEFIT OF FLEXASEAL. ALL RIGHTS ARE RESERVED. SEAL CODE: 22VBSMS3-04C2VS2-6 JOB NO.: REV.
DRAWING NOT TO SCALE
THIS MEDIUM (PRINT, DIGITAL ETC.) IS SUBJECT TO RETURN ON DEMAND ALONG WITH ALL COPIES AND ALL IMPROVEMENTS, DESIGNS AND PROPERTY DERIVED THEREFROM. DRAWN BY: DW DATE: 8/25/2020 SHEET 1 OF 1 3