User Manual

Mark 958 SerieS Sanitary GaS Back PreSSure reGulatorS
2" size Flow capacities
Nitrogen at 0.97 s.g. in scfh and Nm
3
/hr
Operation in shaded areas not recommended
Flow Rate @ Pressure Over Set Point (SCFH)
Range Set Point
2.0" WC
(5,0 mbar)
4" WC
(10,0 mbar)
8" WC
(19,9 mbar)
0.50 psi
(0,7 bar)
1 psi
(1,0 bar)
2 psi
(1,4 bar)
3 psi
(1,7 bar)
2.0 - 5.0 WC 3.0" WC 1663 2371 3264 4482 6990 10422 13311
5,0 - 12,5 mbar 7,5 mbar 47 67 92 127 198 295 377
4.0 - 8.0" WC
5.0" WC 2095 2819 3775 4982 6997 10535 13558
7.0" WC 2190 3142 4047 5125 7659 10628 13550
10,0 - 20,0 mbar
12,5 mbar 59 80 107 141 198 298 384
17,4 mbar 62 89 115 145 217 301 384
8.0 - 28" WC
10.0" WC 1984 3599 4878 5684 7905 11178 14052
25.0" WC 1568 4092 6776 7765 9675 12716 15263
20,0 - 70,0 mbar
24,9 mbar 56 102 138 161 224 317 398
62,3 mbar 44 116 192 220 274 360 432
10.0 - 17.0" WC
12.0" WC 2238 3882 5209 6276 7999 11411 14321
15.0" WC 2515 4419 5847 6563 8442 11606 14497
24,9 - 42,4 mbar
28,9 mbar 63 110 148 178 227 323 406
37,4 mbar 71 125 166 186 239 329 411
14.0 - 28.0" WC
15.0" WC 2199 3834 5617 6610 8395 11790 14632
25.0" WC 2064 4128 6573 7896 9625 12817 15342
34,9 - 70,0 mbar
37,4 mbar 62 109 159 187 238 334 414
62,3 mbar 58 117 186 224 273 363 434
0.75 - 1 psi
0.75 psi 3887 6139 7199 9240 12392 15320
1 psi 3279 6471 8189 10012 13040 16845
51,7 - 69,0 mbar
51,7 mbar 110 174 204 262 351 434
68,8 mbar 93 183 232 284 369 477
1 - 2 psi
1.5 psi 5900 9381 11457 14235 17911
2.0 psi 6186 9956 12716 15490 18916
69,0 - 137,9 mbar
0,10 bar 167 266 324 403 507
0,14 bar 175 282 360 439 536
1.5 - 3 psi
2.0 psi 9216 12853 15372 18940
3.0 psi 9403 14687 18416 20840
0.10 - 0,21 bar
0,14 bar 261 364 435 536
0,21 bar 266 416 521 590
3 - 5 psi
3.5 psi 6898 13728 18806 21138
5.0 psi 6283 12680 20103 22953
0,21 - 0,34 mbar
0,24 bar 195 389 533 599
0,34 bar 178 359 569 650