Capacities | Limiting Orifice Valve
CAPACITIES scfh (Nm 3 /h) Natural Gas (0.6 s.g.)
Valve designation and pipe size
Capacity,
scfh
1807-01
1807-0
1807-1
1807-2
1807-3
(Nm 3 /h)
½ "
¾ "
1"
1 ¼ "
1 ½ "
0.1 (.430) 0.2 (.862) 0.3 (1.29) 0.4 (1.72) 0.5 (2.15) 1.0 (4.30) 2.0 (8.62) 3.0 (12.9) 4.0 (17.2) 5.0 (21.5) 6.0 (25.9)
86 (2.4) 122 (3.5) 149 (4.2) 172 (4.9) 192 (5.4) 272 (7.7) 384 (10.9) 470 (13.3) 544 (15.4) 610 (17.3) 666 (18.9)
121 (3.4) 172 (4.9) 210 (5.9) 243 (6.9) 272 (7.7) 385 (10.9) 542 (15.3) 665 (18.8) 770 (21.8) 860 (24.4) 940 (26.6)
222 (6.3) 315 (8.9) 386 (10.9) 446 (12.6) 500 (14.2) 705 (20.0) 990 (28.0) 1210 (34.3) 1410 (39.9) 1580 (44.7) 1720 (48.7)
327 (9.3) 470 (13.3) 564 (16.0) 650 (18.4) 730 (20.7) 1030 (29.2) 1460 (41.3) 1780 (50.4) 2060 (58.3) 2320 (65.7) 2550 (72.2)
414 (11.7) 584 (16.5) 715 (20.2) 830 (23.5) 925 (26.2) 1310 (37.1) 1850 (52.4) 2270 (64.3) 2620 (74.2) 2930 (83.0) 3210 (90.9)
Valve designation and pipe size
Capacity,
scfh
1807-4
1807-5
1807-6
1807-7
(Nm 3 /h)
2"
2 ½ "
3"
4"
0.1 (.430) 0.2 (.862) 0.3 (1.29) 0.4 (1.72) 0.5 (2.15) 1.0 (4.30) 2.0 (8.62) 3.0 (12.9) 4.0 (17.2) 5.0 (21.5) 6.0 (25.9)
990 (28.0) 1400 (39.6) 1720 (48.7) 1980 (56.1) 2230 (63.1) 3150 (89.2) 4450 (126.0) 5440 (154.0) 6300 (178.4) 7040 (199.4) 7700 (218.0)
1491 (42.2) 2110 (59.7) 2580 (73.1) 2982 (84.4) 3340 (94.6) 4720 (133.7) 6660 (188.6) 8200 (232.2) 9440 (267.3) 10560 (299.0) 11570 (327.6)
2600 (73.6) 3675 (104.1) 4500 (127.4) 5200 (147.2) 5820 (164.8) 8220 (232.8) 11590 (328.2) 14220 (402.7) 16440 (465.5) 18400 (521.0) 20150 (570.6)
5100 (136.6) 7210 (193.2) 8830 (236.7) 10200 (273.3) 11400 (305.5) 16120 (432.1) 22800 (611.1) 27930 (748.4) 32250 (864.2) 36060 (966.2) 39500 (1058)
Capacities shown with 1 psi (70 mbar) inlet pressure. Maximum Pressure: 25 psig (1.7 bar)
1807 Pressure and Temperature Ratings
Specific Capacity Gravity Factor 0.4 1.22 0.6 1.00 0.8 0.866 1.5 0.632 2.0 0.547
Valve
Max Inlet Pressure
Min.
Max. Temp.
Designation
Temp.
1807
25 psi (1.7 bar) 25 psi (1.7 bar) 25 psi (1.7 bar) 125 psi (8.6 bar)
-20F (-28C) 225F (107C) -20F (-28C) 225F (107C) -20F (-28C) 600F (316C) -20F (-28C) 225F (107C)
1807- -K 1807- -TK 1807- -H
Bulletin 1807 Page 3
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