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CRANE Bronze Balancing Valves |
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Bronze Balancing Valves D931 Fixed Orifice Double Regulating Valve (FODRV)PN25 Threaded BS21 (ISO 7) for Single Unit Systems Specification Y-pattern globe valves having characterised throttling disk tending towards equal percentage performance. Integral square edged entrance orifice plate and P84 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. WRAS Approved. End Connection Sizes 1 to 2 BS 21 (ISO 7) parallel Sizes 1/2 & 3/4 DN15 & DN20 BS 2779 (ISO 228)
parallel, supplied with compression adaptor to suit 15 & 22mm BS EN 1057 copper tube. Discard adaptors if connecting to steel pipe. Also available threaded ANSI B1.20.1 Order code D931AT/D933AT/D934AT. Application This single unit-commissioning valve D931 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. |
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