CLARKSON KNIFE GATE VALVE
FIGURE OS1700
Installation and maintenance instructions for Class 150 knife gate valves
GENERAL INFORMATION
The Clarkson OS1700 knife gate valve is a bidirectional zero leakage ASME Class 150 rated
knife gate valve. Designed for the rigors of high
pressure slurry and oil sands applications.
Please take note of specific installation tags
provided with each OS1700 series valve.
Compliance to ASME B16.34 Class
150, Valves—Flanged and MSS SP 135
(Short Face-to-Face).
Bi-directional valve, no special concerns in
relation to direction of flow are required when
installing the valve.
COMPLIANCE LABEL
Mating line flanges must be properly aligned.
Slip-on or weld flanges can be used. Never try
to make up for misaligned pipe flanges by the
line bolting.
Flange fasteners should be tightened in a
uniform manner using a cross-pattern to
prevent distortion of the valve.
Pipe supports and/or expansion joints should
be used to minimize pipe loads on valves.
OS1700 valves are suitable for use in either
vertical or horizontal lines. If installation is
other than vertical, additional support will be
required for cylinder actuated valves.
LABEL CONTENTS
Item Description Example
Product code Manufacturer’s Model/Code KGVS Clarkson
3M28CHX8CZZUCRCC6Z11CAB00000001
Part number Manufacturer’s Part Number 11011101
Serial number Manufacturer’s Serial Number 55555-5555-555
Size NPS Valve size 28
Class Pressure rating per conforming standard 150
Duty N/A N/A
Ring material N/A N/A
Service limit Limits in pressure and temperature operation 285psi/100F
Conformance Standard used for design and manufacture ASME B16.34, MSS SP-135
CRN Canadian registration number 0C13921.2
Body material Compliance standard for body material WCB/LCB
Gate material Compliance standard for gate material 17-4
Seat material Seat material HNBR
Packing material Packing material AFPL#3
Emerson.com/FinalControl © 2017 Emerson. All Rights Reserved.
VCIOM-04494-EN 19/09
CLARKSON KNIFE GATE VALVE
FIGURE OS1700
INITIAL INSPECTION
1. Examine entire valve and report any damage
or discrepancies immediately.
2. Accessories, if any, including solenoids,
limit switches, positioners, etc., are
tested for functionality prior to shipment.
Examine carefully for damage which may
occur during shipment.
3. Operators: Standard manual hand wheels
may be shipped loose for field installation.
ØF
C2
C1
It is necessary to use a pipe wrench or large
crescent wrench to properly tighten the hand
wheel retaining nut. Be sure to fully tighten.
4. Packing assembly: The packing gland bolts
should be checked and adjusted to obtain a
first time packing seal. Packing gland nuts
may become slightly loose when valve is
shipped. Field adjustment is expected and
desired. (Tighten just enough to stop any
leakage. Overtightening may increase valve
operating torque and shorten packing life).
J
C3
ØF1
K
C4
L
C5
C
G
ØA
ØB
E
Note: DN 150 (NPS 6)
Manual hand wheel valve
D
H
Note: DN 150 (NPS 6)
Bevel gear operated valve
Note: DN 150 (NPS 6)
Pneumatic actuated valve
Note: DN 150 (NPS 6)
Hydraulic actuated valve
DIMENSIONS (inches)
Valve size
NPS
2 2.00 3.62 13.70 2.64 7.62 9.00 5.63 7.88 2.06 6.81 12.00 12.00 9.50 3.41 12.47 4.50 2.50
3 3.00 5.00 15.69 2.64 8.64 11.00 6.63 8.88 2.06 8.06 12.00 12.00 9.50 4.03 12.47 4.50 2.50
4 4.00 6.19 17.59 2.64 9.64 11.06 7.63 9.88 2.00 9.56 12.00 12.00 9.50 4.78 12.47 4.50 2.50
6 6.00 8.50 21.46 3.39 12.51 14.00 9.75 11.88 2.25 11.88 14.00 12.00 9.50 5.94 12.47 6.50 2.50
8 8.00 10.62 27.19 - - 15.09 12.69 14.38 2.75 18.28 - 18.00 9.50 6.68 12.47 8.50 3.00
10 10.00 12.75 32.48 - - 18.00 15.75 16.38 2.88 17.32 - 18.00 12.00 8.50 12.47 10.63 3.50
12 12.00 15.00 35.85 - - 21.00 17.81 19.44 3.00 23.28 - 18.00 12.00 9.59 13.97 12.75 4.50
14 13.25 16.25 39.54 - - 21.00 20.00 20.63 3.13 22.88 - 24.00 12.81 10.94 16.59 14.75 4.50
16 15.25 18.50 43.81 - - 23.00 22.27 23.14 6.32 25.55 - 24.00 12.77 12.19 16.59 17.00 5.00
18 17.25 21.00 50.77 - - 26.53 24.52 25.14 3.62 28.21 - 18.00 16.00 13.13 17.26 19.00 5.00
20 19.25 23.00 55.69 - - 29.03 27.14 27.95 4.50 31.04 - 24.00 16.00 14.25 19.23 21.00 6.50
24 23.25 27.25 63.70 - - 32.03 33.08 31.96 4.50 36.84 - 24.00 18.42 16.75 19.25 25.00 6.50
26 25.25 29.50 69.07 - - 35.60 - 35.39 6.75 39.51 - 24.00 25.00 17.88 25.86 - 7.50
28 27.25 31.50 72.90 - - 37.60 - 37.39 7.12 42.26 - 24.00 22.00 19.00 25.92 - 7.50
30 29.25 33.75 76.89 - - 40.60 - 40.89 7.38 45.25 - 24.00 22.63 20.00 25.90 - 8.50
32 31.25 36.00 80.90 - - 43.15 - 42.58 8.12 47.92 - 24.00 23.96 21.63 25.90 - 8.50
36 35.25 40.25 90.11 - - 47.54 - 48.31 8.88 55.53 - 24.00 27.76 23.75 25.90 - 9.50
42 41.25 47.00 108.22 - - CS - 57.31 9.75 61.66 - 24.00 34.63 27.13 CS - 12.63
48 47.25 53.50 119.15 - - CS - CS 11.50 71.39 - CS 35.69 30.38 CS - CS
ØA ØB C C1 C2 C3 C4 C5 D E ØF ØF1 G H J K L
2
CLARKSON KNIFE GATE VALVE
FIGURE OS1700
DIMENSIONS (mm)
Valve size
DN
50 51 92 348 67 194 229 143 200 52 173 300 300 241 87 317 114 64
80 76 127 399 67 219 279 168 225 52 205 300 300 241 102 317 114 64
100 102 157 447 67 245 281 194 251 51 243 300 300 241 121 317 114 64
150 152 216 545 86 318 356 248 302 57 302 350 300 241 151 317 165 64
200 203 270 691 - - 383 322 365 70 464 - 450 241 170 317 216 76
250 254 324 825 - - 457 400 416 73 440 - 450 305 216 317 270 89
300 305 381 911 - - 533 452 494 76 591 - 450 305 243 355 324 114
350 337 413 1004 - - 533 508 524 80 581 - 600 325 278 421 375 114
400 387 470 1113 - - 584 566 588 161 649 - 600 324 310 421 432 127
450 438 533 1290 - - 674 623 639 92 717 - 450 406 333 438 483 127
500 489 584 1415 - - 737 689 710 114 788 - 600 406 362 488 533 165
600 591 692 1618 - - 814 840 812 114 936 - 600 468 425 489 635 165
650 641 749 1754 - - 904 - 899 171 1004 - 600 635 454 657 - 191
700 692 800 1852 - - 955 - 950 181 1073 - 600 559 483 658 - 191
750 743 857 1953 - - 1031 - 1039 187 1149 - 600 575 508 658 - 216
800 794 914 2055 - - 1096 - 1082 206 1217 - 600 609 549 658 - 216
900 895 1022 2289 - - 1207 - 1227 226 1410 - 600 705 603 658 - 241
1050 1048 1194 2749 - - CS - 1456 248 1566 - 600 880 689 CS - 321
1200 1200 1359 3026 - - CS - CS 292 1813 - CS 907 772 CS - CS
ØA ØB C C1 C2 C3 C4 C5 D E ØF ØF1 G H J K L
WEIGHTS (lbs)
Valve size
NPS
2 62 107 58 63 BG3
3 71 116 67 72 BG3
4 82 128 78 83 BG3
6 137 176 125 147 BG3
8 - 237 194 241 BG3
10 - 359 319 466 BG3
12 - 427 409 596 BG3
14 - 647 606 903 BG3
16 - 822 811 1234 BG4
18 - 1118 1043 1562 BG42
20 - 1418 1399 2023 BG42
24 - 1930 1954 CS BG44
26 - 2963 2849 - BG64
28 - 3709 3591 - BG64
30 - 4246 4298 - BG64
32 - 5162 5205 - BG624
36 - 6842 7020 - BG624
42 - CS CS - BG624
48 - CS CS - CS
BOLTING AND INSTALLATION INSTRUCTIONS
H/W
mass
BG
mass
Hyd
mass
Pneu
mass
WARNING
Bevel gear
model
Care must be taken when installing studs or bolts
OS1700 standard flange configuration is
“flanged” where port flange mounting holes are
in tapped flange holes in chest area to prevent
damage to internal wall profile.
drilled and tapped. Flange mounting holes in
chest area are limited to a depth of 1 x flange
bolt diameter, and other flange bolt holes have
NOTE
Optional through bolting configurations are also available.
a minimum depth of 1.5 x flange bolt diameter.
It is recommended that studs be used on all
flange mounting holes in chest area.
OS1700 Series valves are designed to suit flanges
compliant to ASME B16.5 and B16.47, and
gaskets designed to ASME VIII-1 Appendix 2, and
ASME B16.20 and B16.21. Torque on Flange bolt
should not exceed values shown in Table 1.
WEIGHTS (kgs)
Valve sizeDNH/W
mass
50 28 49 26 29 BG3
80 32 53 30 33 BG3
100 37 58 35 38 BG3
150 62 80 57 67 BG3
200 - 108 88 109 BG3
250 - 163 145 211 BG3
300 - 194 186 270 BG3
350 - 293 275 410 BG3
400 - 373 368 560 BG4
450 - 507 473 709 BG42
500 - 643 635 918 BG42
600 - 875 886 CS BG44
650 - 1344 1292 - BG64
700 - 1682 1629 - BG64
750 - 1926 1950 - BG64
800 - 2341 2361 - BG624
900 - 3103 3184 - BG624
1050 - CS CS - BG624
1200 - CS CS - CS
BG
mass
Hyd
mass
Pneu
mass
Bevel gear
model
3
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