User Manual

Mark 958 SerieS Sanitary GaS Back PreSSure reGulatorS
1-1/2"size Flow capacities
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 1496 2134 2938 4034 6291 9380 11980
5,0 - 12,5 mbar 7,5 mbar 42 60 83 114 178 266 339
4.0 - 8.0" WC
5.0" WC 1886 2537 3397 4484 6297 9481 12202
7.0" WC 1971 2828 3642 4612 6893 9565 12195
10,0 - 20,0 mbar
12,5 mbar 53 72 96 127 178 268 346
17,4 mbar 56 80 103 131 195 271 345
8.0 - 28" WC
10.0" WC 1786 3239 4390 5115 7115 10060 12646
25.0" WC 1411 3683 6098 6989 8707 11444 13737
20,0 - 70,0 mbar
24,9 mbar 51 92 124 145 201 285 358
62,3 mbar 40 104 173 198 247 324 389
10.0 - 17.0" WC
12.0" WC 2014 3493 4688 5648 7199 10270 12889
15.0" WC 2264 3977 5262 5907 7598 10445 13047
24,9 - 42,4 mbar
28,9 mbar 57 99 133 160 204 291 365
37,4 mbar 64 113 149 167 215 296 369
14.0 - 28.0" WC
15.0" WC 1979 3451 5056 5949 7555 10611 13169
25.0" WC 1858 3716 5916 7107 8662 11535 13807
34,9 - 70,0 mbar
37,4 mbar 56 98 143 168 214 300 373
62,3 mbar 53 105 168 201 245 327 391
0.75 - 1 psi
0.75 psi 3498 5525 6479 8316 11153 13788
1 psi 2951 5824 7370 9011 11736 15160
51,7 - 69,0 mbar
51,7 mbar 99 156 183 235 316 390
68,8 mbar 84 165 209 255 332 429
1 - 2 psi
1.5 psi 5310 8443 10312 12812 16120
2.0 psi 5568 8960 11444 13941 17024
69,0 - 137,9 mbar
0,10 bar 150 239 292 363 456
0,14 bar 158 254 324 395 482
1.5 - 3 psi
2.0 psi 8295 11568 13835 17046
3.0 psi 8463 13218 16575 18756
0.10 - 0,21 bar
0,14 bar 235 328 392 483
0,21 bar 240 374 469 531
3 - 5 psi
3.5 psi 6208 12356 16925 19025
5.0 psi 5655 11412 18093 20658
0,21 - 0,34 mbar
0,24 bar 176 350 479 539
0,34 bar 160 323 512 585
Nitrogen at 0.97 s.g. in scfh and Nm
3
/hr
Operation in shaded areas not recommended