Connections: | 1½” to 4” FNPT 1½” to 6” flanged |
Temperature range[1]: | -20° to 406°F (-29° to 208°C) |
Temperature ranges[1]: (Model 91) | 5 to 400 psig (0.34 to 27.6 barg) |
Temperature ranges[1]: (218, 228) | 60 to 200 psig (14.1 to 13.8 barg) |
Model 91: bronze trim with pressure-tight cap. suitable for maximum back pressure of 60 psig (4.1 barg)[1]
No | Part Name | Materials |
1 | Body | Iron, A126 class A or B |
2 | O-ring | NBR[9] |
2 | Insert | [1] |
4 | Disc | [1] |
5 | Spring step | [2] |
6 | Spring | Steel, aluminum coated |
7 | Bonnet gasket | Fiber and nitrile, klinger C-4400 or C-4401 |
8 | Hex head cap screw[3] | Steel, SAE Gr. 5 |
9 | Bonnet | Iron, A126 class A or B |
10 | Cap gasket[5] | Fiber and nitrile, klinger C-4400 or C-4401 |
11[7] | Compression screw bushing | Iron, A536 80-55-06 |
12 | Jam nut | [4] |
13 | Compression screw | [4] |
14 | Cap[5] | Iron, A126 class A or B |
15 | Socket set screw | Steel, commercial |
16 | Stem | [2] |
17 | Stem end | [8] |
Items not shown | ||
Handwheel[5] | Iron, A126 class A or B | |
Handwheel jam nut[5] | Steel plated, commercial |
No | Part Name | Materials |
1 | Body[1] | Iron, A126 class A or B |
2 | O-ring | NBR |
2 | Insert | [2] |
4 | Disc | [2] |
5 | Spring step | [3] |
6 | Spring | Steel, aluminum coated |
7 | Bonnet gasket | Fiber and nitrile, klinger C-4400 or C-4401 |
8 | Hex head cap screw[3] | Steel, sae Gr.[5] |
9 | Bonnet | Iron, A126 class A or B |
10 | Compression screw bushing | Brass, B16 |
11[7] | Jam nut | Brass, B16 |
12 | Compression screw | [5] |
13 | Handwheel | Iron, A126 class A or B |
14 | Handwheel locknut | Steel plated, commercial Gr. |
15 | Spring pin | Steel, commercial Gr. |
16 | Socket set screw | Steel, commercial Gr. |
17 | Stem Compression screw locknut wrench[6] Installation instruction[6] | [3] Steel, a366 Paper, commercial Gr. |
18 | Stem end | [3] |
Model 228 only | ||
18 | Cap[7] | Iron, A126 class A or B |
19 | Cap gasket[7] | Gasket, klinger silicone C-4400 |
Valve dimensions | Min/max | Approx. | ||||||
Model | Valve size | Connections | ANSI standard | (in) | set pressure | weight | ||
number | (in) | Inlet | Outlet | A | B | C | (psig) | (lb) |
091A-G | 1½ x 1½ | FNPT | FNPT | 4¾ | 4¼ | 11⅞ | 5/400 | 27 |
091H-G | 1½ x 1½ | 125# FL | 125# FL | 4¾ | 4¼ | 11¼ | 5/175 | 36 |
091K-G | 1½ x 1½ | 250# FL | 125# FL | 5 | 4¾ | 11¼ | 5/400 | 36 |
09A-H | 2 x 2 | FNPT | FNPT | 4⅛ | 4⅛ | 12¾ | 5/400 | 35 |
091H-H | 2 x 2 | 125# FL | 125# FL | 4¾ | 4⅝ | 12¾ | 5/175 | 47 |
091K-H | 2 x 2 | 250# FL | 125# FL | 5 | 4⅝ | 12¾ | 5/400 | 47 |
091A-J | 2½ x 2½ | FNPT | FNPT | 4½ | 4½ | 14¼ | 5/400 | 48 |
091H-J | 2½ x 2½ | 125# FL | 125# FL | 5¼ | 4¾ | 14¼ | 5/175 | 65 |
091K-J | 2½ x 2½ | 250# FL | 125# FL | 5¼ | 4¾ | 14¼ | 5/400 | 65 |
091A-K | 3 x 3 | FNPT | FNPT | 5⅞ | 5⅞ | 21 | 5/400 | 81 |
091H-K | 3 x 3 | 125# FL | 125# FL | 5⅞ | 5⅞ | 21¾ | 5/175 | 98 |
091K-K | 3 x 3 | 250# FL | 125# FL | 6¼ | 5⅞ | 21¾ | 5/400 | 98 |
091A-M | 4 x 4 | FNPT | FNPT | 6⅝ | 6½ | 26 | 5/400 | 132 |
091H-M | 4 x 4 | 125# FL | 125# FL | 6⅝ | 6½ | 26 | 5/175 | 170 |
091K-M | 4 x 4 | 250# FL | 125# FL | 6⅝ | 6½ | 26 | 5/400 | 170 |
091H-P | 6 x 6 | 125# FL | 125# FL | 9⅜ | 8½ | 31 | 5/175 | 340 |
091K-P | 6 x 6 | 250# FL | 125# FL | 9⅜ | 8½ | 31 | 5/300 | 340 |
Valve dimensions | Min/max | Approx. | |||||||
Model | Valve size | Connections | ANSI standard | (in) | set pressure | weight | |||
number | (in) | Inlet | Outlet | A | B | C(218) | C(228) | (psig) | (lb) |
2*8A-K[2] | 3 x 3 | FNPT | FNPT | 6⅛ | 5⅞ | 20⅝ | 21⅝ | 60/200 | 85 |
2*8H-K[2] | 3 x 3 | 125# FL | 125# FL | 6⅛ | 5⅞ | 20⅝ | 21⅝ | 60/175 | 110 |
2*8K-K[2] | 3 x 3 | 250# FL | 125# FL | 6⅛ | 5⅞ | 20⅝ | 21⅝ | 60/200 | 110 |
2*8A-M [[2] | 4 x 4 | FNPT | FNPT | 6⅝ | 6½ | 25 | 26 | 60/200 | 143 |
2*8H-M [2] | 4 x 4 | 125# FL | 125# FL | 6⅝ | 6½ | 25 | 26 | 60/175 | 185 |
2*8K-M[2] | 4 x 4 | 250# FL | 125# FL | 6⅝ | 6½ | 25 | 26 | 60/200 | 185 |
2*8H-P[2] | 6 x 6 | 125# FL | 125# FL | 9⅜ | 8½ | 30 | 31 | 60/175 | 350 |
2*8K-P[2] | 6 x 6 | 250# FL | 125# FL | 9⅜ | 8½ | 30 | 31 | 60/200 | 350 |
Set pressure | Inlet size | |||||
(psig) | 1½” | 2” | 2½” | 3” | 4” | 6” |
5 | 31 | 56 | 87 | 125 | 224 | 447 |
10 | 44 | 79 | 123 | 177 | 316 | 632 |
20 | 63 | 111 | 174 | 150 | 447 | 894 |
30 | 77 | 136 | 213 | 307 | 548 | 1095 |
40 | 88 | 157 | 246 | 354 | 633 | 1265 |
50 | 994 | 176 | 275 | 396 | 707 | 1414 |
60 | 108 | 193 | 301 | 434 | 775 | 1549 |
70 | 117 | 208 | 325 | 468 | 837 | 1673 |
80 | 125 | 223 | 348 | 501 | 895 | 1789 |
90 | 133 | 236 | 369 | 531 | 949 | 1897 |
100 | 140 | 249 | 389 | 560 | 1000 | 2000 |
110 | 147 | 261 | 408 | 587 | 1049 | 2097 |
120 | 153 | 273 | 426 | 613 | 1096 | 2191 |
130 | 159 | 284 | 443 | 638 | 1140 | 2280 |
140 | 165 | 295 | 460 | 663 | 1183 | 2366 |
150 | 171 | 305 | 476 | 686 | 1225 | 2449 |
160 | 177 | 315 | 492 | 708 | 1265 | 2530 |
170 | 182 | 325 | 507 | 730 | 1304 | 2607 |
180 | 188 | 334 | 522 | 751 | 1342 | 2683 |
190 | 193 | 343 | 536 | 772 | 1379 | 2757 |
200 | 198 | 352 | 550 | 792 | 1414 | 2828 |
210 | 203 | 361 | 563 | 811 | 1449 | 2898 |
220 | 207 | 369 | 577 | 831 | 1483 | 2966 |
230 | 212 | 378 | 590 | 849 | 1517 | 3033 |
240 | 217 | 386 | 602 | 867 | 1549 | 3098 |
250 | 221 | 394 | 615 | 885 | 1581 | 3162 |
260 | 225 | 401 | 627 | 903 | 1613 | 3225 |
270 | 230 | 409 | 639 | 920 | 1643 | 3286 |
280 | 234 | 417 | 650 | 937 | 1673 | 3346 |
290 | 238 | 424 | 662 | 954 | 1703 | 3406 |
300 | 242 | 431 | 673 | 970 | 1732 | 3464 |
310 | 246 | 438 | 684 | 986 | 1761 | — |
320 | 250 | 445 | 695 | 1002 | 1789 | — |
330 | 254 | 452 | 706 | 1017 | 1817 | — |
340 | 258 | 459 | 717 | 1033 | 1844 | — |
350 | 261 | 466 | 727 | 1048 | 1871 | — |
360 | 265 | 472 | 738 | 1062 | 1898 | — |
370 | 269 | 479 | 748 | 1077 | 1924 | — |
380 | 272 | 485 | 758 | 1092 | 1950 | — |
390 | 276 | 492 | 768 | 1106 | 1975 | — |
400 | 280 | 498 | 777 | 1120 | 2000 | — |
UL/FM | Certified capacities[1] |
Size (in) | GPM |
3 x 3 | 500 |
4 x 4 | 1000 |
6 x 6 | 2000 |
Example: | 091 | K | - | M | 01 | A | M | S | 0400 |
Model 091 218 228 | |||||||||
Connection type A Female x female NPT H 125# flange x 125# flange K 250# flange x 125# flange | |||||||||
Connection size G 1½" inlet x 1½" outlet H 2" inlet x 2" outlet J 2½" inlet x 2½" outlet K 3" inlet x 3" outlet M 4" inlet x 4" outlet P 6" inlet x 6" outlet | |||||||||
Variation 01 Catalog standard 02 SS seat and disc (all models except Model 218K-P) 03 Model 91 w/handwheel (K, M and P inlet only) 03 SSseat and disc (Model 218K-P only) 03 Models 218 and 228 epoxy coated body and bonnet internal surfaces (except Model 218K-P) 04 Model 218K-P epoxy coated body and bonnet internal surfaces 05 Model 91 epoxy coated body and bonnet internal surfaces 06SS seat and disc with epoxy coated body and bonnet internal surfaces 22Model 91 ss seat and disc with viton® o-ring seal | |||||||||
Design revision Indicates non-interchangeable revision Current design at revision ’A’ | |||||||||
Valve service M Liquid | |||||||||
Spring material C Aluminum coated, ASTM A231 steel (G, H, J inlet sizes only) S Aluminum coated, ASTM A229 steel (K, M, P inlet sizes only) | |||||||||
Set pressure 0005 5 psig 0400 400 psig |