CATEGORY
Fixed Orifice Double Regulating Valve 1209-DF
GALA Regulating System Globe Valves
Specification
Single unit Y-pattern globe valves incorporating an integral orifice plate to form a fixed orifice flow measurement unit with regulation and isolation capacity. Valves conform to requirements of BS 7350.
Application
Primarily used in injection or other circuits requiring a double regulating valve for systems balancing. Accuracy of flow measurement is ±5% at all open positions of the valve in accordance with BS 7350.
Pressure/Temperature Ratings
| PN16 | |
| Temperature℃ | -10 to 120 |
| Working Pressure(Bar) | 16 |
| Test Pressure(Bar) | Shell:24 |
| Seat:17.6 |
Materials
| Part | Material | ASTM Specification |
| Body | Ductile | A536 65-45-12 |
| Bonnet | Ductile | A536 65-45-12 |
| Stem〔65-300mm〕 | Stainless Steel 410 | AISI 410 |
| Stem〔65-600mm〕 | Stainless Steel 431 | AISI 431 |
| Disc | EPDM Coated DI | A536 65-45-12 |
| Gland 〔65-150mm〕 | Brass | B124 C37700 |
| Gland 〔200-600mm〕 | Ductile | A536 65-45-12 |
| Stem Nut | Brass | B124 C37700 |
| Hand Wheel | Ductile | A536 65-45-12 |
| Test Valve | Brass | B453 C35330 |
| Orifice Insert | Brass | B124 C37700 |
| Packing | Graphite | Non-Asbestos |
Dimensions, Coefficients
| Size | Inch mm | 2½ DN65 | 3 DN80 | 4 DN100 | 5 DN125 | 6 150 | 8 200 | 10 DN250 | 12 DN300 | 14 DN350 | 16 DN400 | 18 DN450 | 20 DN500 | 24 DN600 |
| L | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 | 1100 | 1200 | 1250 | 1450 | |
| H | 265 | 270 | 310 | 340 | 340 | 537 | 570 | 690 | 685 | 965 | 1020 | 1065 | 1180 | |
| D | 200 | 200 | 240 | 290 | 290 | 350 | 420 | 420 | 420 | 640 | 640 | 640 | 640 | |
| Flow kv | 104 | 112 | 162 | 254 | 335 | 535 | 1099 | 1588 | 1635 | 2125 | 2698 | 3371 | 4091 | |
| Head los K | 5.32 | 6.48 | 13.15 | 8.32 | 7.33 | 8.26 | 7.27 | 8.36 | 12.50 | 13.60 | 14.40 | 14.80 | 15.30 | |
| Kvs | 104 | 116 | 213 | 333 | 476 | 768 | 1153 | 1743 | 1798 | 2338 | 2698 | 3708 | 4500 |