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ManualsBrandsHoffman ManualsHeating Supplies1" 21H Tempering Valve (100°F - 200°F)
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45
Regulators
Main Valve Size
Pressure psig
(bar)
NPT Size, in. Flanged Valves, in. (mm)
IN OUT
††
1
⁄2"
NPT
3
⁄4"
NPT 1
"
NPT 1
1
⁄4"
NPT 1
1
⁄2"
NPT
2
"
NPT/Flange
2
1
⁄2"
(65) 3
"
(80) 4
"
(100) 6
"
(150)
Cv 3.9 8.3 10.6 20.2 24.2
34.2
50.3 78.7 139.6 302.2
20† (1.4) 0-5 (0-0.34) 220 (100) 260 (118) 360 (163) 660 (299) 850 (386) 1200 (544) 2020 (916) 3000 (1361) 5160 (2341) 11870 (5384)
25† (1.7) 10 (0.7) 250 (113) 300 (136) 410 (186) 800 (363) 1000 (454) 1420 (644) 2300 (1043) 3300 (1497) 6200 (2812) 14000 (6350)
0-5 (0-0.34) 260 (118) 410 (186) 470 (213) 900 (408) 1100 (499) 1730 (785) 2900 (1315) 4000 (1814) 7000 (3175) 16300 (7394)
30† (2.1) 15 (1.0) 290 (132) 320 (145) 460 (209) 950 (431) 1100 (499) 1900 (862) 3000 (1361) 3500 (1588) 6800 (3084) 14500 (6577)
0-10 (0-0.7) 300 (136) 460 (209) 530 (240) 1100 (499) 1240 (562) 2060 (934) 3450 (1565) 4600 (2087) 8300 (3765) 18500 (8392)
40 (2.8) 25 (1.7) 320 (145) 410 (186) 650 (295) 1200 (544) 1150 (522) 1300 (590) 3250 (1474) 3800 (1724) 7500 (3402) 17200 (7802)
0-20 (0-1.4) 370 (168) 480 (218) 720 (327) 1250 (567) 1500 (680) 2120 (962) 3800 (1724) 4800 (2177) 9400 (4264) 19650 (8913)
50 (3.5) 35 (2.4) 370 (168) 700 (318) 770 (349) 1250 (567) 1500 (680) 2500 (1134) 3500 (1588) 4800 (2177) 9500 (4309) 20000 (9072)
30 (2.1) 410 (186) 760 (345) 850 (386) 1550 (703) 1850 (839) 2900 (1315) 4500 (2041) 5700 (2586) 11500 (5216) 23500 (10660)
0-25 (0-1.7) 420 (191) 800 (363) 890 (404) 1650 (748) 2050 (930) 3050 (1383) 4900 (2223) 6500 (2948) 11900 (5398) 24200 (10977)
60 (4.2) 45 (3.1) 420 (191) 760 (345) 840 (381) 1350 (612) 1700 (771) 2700 (1225) 4400 (1996) 5800 (2631) 11000 (4990) 25800 (11703)
40 (2.8) 450 (204) 850 (386) 1000 (454) 1650 (748) 2000 (907) 3050 (1383) 4800 (2177) 6800 (3084) 13500 (6124) 27500 (12474)
35 (2.4) 470 (213) 920 (417) 1100 (499) 1750 (794) 2200 ( 998) 3250 (1474) 5600 (2540) 7400 (3357) 14000 (6350) 29000 (13154)
0-30 (0-2.1) 480 (218) 980 (445) 1140 (517) 1850 (839) 2350 (1066) 3600 (1633) 5950 (2699) 8400 (3810) 14700 (6668) 30500 (13835)
75 (5.2) 55 (3.8) 550 (249) 830 (376) 1200 (544) 2000 (907) 2300 (1043) 3750 (1701) 5800 (2631) 8500 (3856) 15100 (6849) 31000 (14062)
50 (3.5) 570 (259) 1060 (481) 1320 (599) 2250 (1021) 2560 (1161) 3900 (1769) 6100 (2767) 8900 (4037) 16300 (7394) 34000 (15422)
45 (3.1) 580 (263) 1120 (508) 1380 (626) 2400 (1089) 2800 (1270) 4300 (1950) 6450 (2926) 9500 (4309) 17800 (8074) 37000 (16783)
0-40 (0-2.8) 590 (268) 1200 (544) 1400 (635) 2600 (1179) 3200 (1452) 4500 (2041) 6750 (3062) 10000 (4536) 18100 (8210) 38800 (17600)
100 (6.9) 75 (5.2) 600 (272) 1150 (522) 1480 (671) 2400 (1089) 3100 (1406) 4900 (2223) 7800 (3538) 10800 (4899) 20500 (9299) 40800 (18507)
60 (4.2) 670 (304) 1300 (590) 1800 (816) 3000 (1361) 3900 (1769) 5350 (2427) 8900 (4037) 12200 (5534) 21750 (9866) 48000 (21773)
0-50 (0-3.5) 690 (313) 1480 (671) 1850 (839) 3400 (1542) 4400 (1996) 5850 (2654) 9100 (4128) 13500 (6124) 22960 (10415) 50000 (22680)
125 (8.6) 100 (6.9) 650 (295) 1300 (590) 1700 (771) 3150 (1429) 3550 (1610) 5300 (2404) 8650 (3924) 12200 (5534) 22000 (9979) 49200 (22317)
75 (5.2) 750 (340) 1700 (771) 2000 (907) 4000 (1814) 4600 (2087) 6750 (3062) 10500 (4763) 15400 (6985) 26800 (12156) 61350 (27828)
0-50 (0-3.5) 800 (363) 1770 (803) 2100 (953) 4200 (1905) 5600 (2540) 7500 (3402) 11400 (5171) 16800 (7620) 27720 (12574) 62600 (28395)
150 (10.3) 125 (8.6) 810 (367) 1600 (726) 2050 (930) 3800 (1724) 4450 (2019) 6200 (2812) 9900 (4491) 15000 (6804) 26200 (11884) 56700 (25719)
100 (6.9) 930 (422) 1860 (844) 2450 (1111) 4500 (2041) 5350 (2427) 7500 (3402) 11900 (5398) 17800 (8074) 31000 (14061) 69300 (31434)
0-75 (0-5.2) 950 (431) 2100 (953) 2700 (1225) 4900 (2223) 6150 (2790) 8000 (3629) 13200 (5988) 18600 (8437) 32950 (14946) 73800 (33475)
175 (12.1) 150 (10.3) 920 (417) 1850 (839) 2250 (1021) 4100 (1860) 5000 (2268) 6900 (3130) 11400 (5171) 16100 (7303) 28940 (13127) 63600 (28849)
125 (8.6) 1050 (476) 2150 (975) 2700 (1225) 5000 (2268) 6200 (2812) 8600 (3901) 13300 (6033) 20220 (9172) 34800 (15785) 77000 (24927)
100 (6.9) 1100 (499) 2280 (1034) 3000 (1361) 5500 (2495) 6900 (3130) 9500 (4309) 14700 (6668) 21900 (9934) 37500 (17010) 85000 (38556)
0-75 (0-5.2) 1150 (522) 2400 (1089) 3100 (1406) 5800 (2631) 7400 (3357) 9750 (4423) 15600 (7076) 22070 (10011) 38000 (17237) 86000 (39010)
200 (13.8) 150 (10.3) 1130 (513) 2400 (1089) 2850 (1293) 5500 (2495) 6700 (3039) 9200 (4173) 14400 (6532) 22440 (10179) 38000 (17237) 84600 (38375)
125 (8.6) 1200 (544) 2600 (1179) 3200 (1452) 6000 (2722) 7600 (3447) 10450 (4740) 15600 (7076) 25170 (11417) 43000 (19505) 95900 (43500)
0-100 (0-6.9) 1250 (567) 2680 (1216) 3400 (1542) 6500 (2948) 7800 (3538) 11000 (4990) 16200 (7348) 25340 (11494) 43350 (19664) 97330 (44149)
225 (15.5) 175 (12.1) 1260 (572) 2480 (1125) 3080 (1397) 5980 (2713) 7180 (3257) 10150 (4604) 15850 (7189) 24300 (11022) 41221 (18697) 91600 (41549)
150 (10.3) 1370 (621) 2790 (1266) 3540 (1606) 6840 (3103) 8370 (3797) 11600 (5262) 17770 (8060) 27250 (12360) 46200 (20956) 104600 (47446)
0-125 (0-8.6) 1430 (649) 3000 (1361) 3770 (1710) 7200 (3266) 9120 (4137) 12200 (5534) 18450 (8368) 28300 (12836) 47980 (21763) 108600 (49260)
250 (17.3) 200 (13.8) 1350 (612) 2670 (1211) 3250 (1474) 6480 (2939) 7340 (3329) 10920 (4953) 17050 (7734) 20400 (9253) 44330 (20108) 98500 (44680)
175 (12.1) 1480 (671) 3000 (1361) 3700 (1678) 7350 (3334) 8650 (3924) 12370 (5611) 19100 (8664) 29250 (13268) 49600 (22499) 112400 (50985)
150 (10.3 ) 1550 (703) 3250 (1474) 4150 (1882) 7970 (3615) 9650 (4377) 13360 (6060) 20400 (9253) 31250 (14175) 53000 (24041) 120000 (54432)
0-125 (0-8.6) 1550 (703) 3280 (1488) 4300 (1950) 8050 (3651) 9960 (4518) 13720 (6223) 20400 (9253) 31250 (14175) 53000 (24041) 120000 (54432)
Steam Capacities — Full Port lbs./hr. (kg/hr.) Models 2100, 2200, 2300
Note: Capacity based on saturated steam at valve inlet. Pressure differential must be at least 15 psi (6.9 bar) for valve to operate.
†For inlet pressures below 30 psig (2.1 bar), refer to the Low Pressure Steam Capacity Chart, Models 2150 and 2250, page 48.
††When the outlet steam pressure is 50% or less of the inlet pressure, always use the lowest outlet pressure shown in the capacity table.
Series 2000 Main Valves
Hoffman Specialty
®
RegulatorsHoffman Specialty
®
Regulators