CATEGORY
Fixed Orifice Double Regulating Valve 1209-BT
GALA Regulating System Globe Valves
Specification
Y-pattern globe valves having characterised throttling disk tending towards equal percentage performance. Integral square edged entrance orifice plate and insertion test points fitted. Double regulating feature allows valve opening to be set with an Allen key. Operation of the valve is by means of the Microset hand wheel.
End Connection
Size / 1 3 2" to /4": threaded to BS 2779(ISO7) / NPT
Size 1" to 2": threaded to BS 10266(ISO7) / NPT
Also available threaded to ANSI B1.20.1
Adaptor kits for use with copper tube also available
Application
This single unit-commissioning valve is designed for installation in circuits where combined functions of regulation and flow measurement are required. Accuracy of flow measurement is ±5% across all hand wheel settings.
Pressure Temperature Ratings
| Temperature °c | -10 to 100 | 110 | 120 |
| Pressure (Bar) | 25 | 23.4 | 21.8 |
Materials
| Part | Material | ASTM Specification | Part | Material | ASTM Specification |
| Body | Bronze | B62 C83600 | Disc(15-20) | Brass | B453 C35330 |
| Bonnet(15-32) | Brass | B453 C35330 | Disc(25-50) | Brass+PTFE | B453 C35330 |
| Bonnet(40-50) | Bronze | B62 C83600 | Orifice Insert | Brass | B453 C35330 |
| Stem | Brass | B453 C35330 | Hand Wheel | Plastic | Commercial |
Dimensions, Coefficients
| Nom. Size | Dimensions (mm) | Flow | Kvs | ||
| L | H | Kv | (L/sec) | ||
| ½ | DN15 | 87 | 113 | 1.72 | 2.20 |
| ¾ | DN20 | 96 | 114 | 2.97 | 4.60 |
| 1 | DN25 | 100 | 135 | 4.75 | 8.50 |
| 1¼ | DN32 | 114 | 136 | 10.25 | 16.50 |
| 1½ | DN40 | 125 | 151 | 16.83 | 26.10 |
| 2 | DN50 | 146 | 152 | 27.26 | 43.20 |