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Direct-Acting Pressure-Reducing Valves

Summary: The water-using pressure reducing valve made in our company is used in various building's water supply system, fire-fighting system, central air-conditioning system and warming systems. It is used for the pressure reduction of branch pipes so as to have the water supply pressure distributed more reasonably, to avoid over-pressure of partial water supply and optimize the water supply of high buildings. And it can replace the frequency-adjusting speed variable water pump of the quarters and the water pump of the quarters in the fire-fighting water supply system. When it is used in the household water supply system, it can protect all tape halters and other water utensils. Features: a. Using a directly acting membrane structure, with very simple internal structure, without jamming reliable performance and durable. b. Dirt-resisting and water filth preventing, no need of the filter and the by-pass pipe, very simple pipe-fitting which saves a great deal of space and pipe-fitting cost. c. Adjusting outlet pressure precisely, which is not influenced by the inlet one, in general conditions (the variable of the output pressure is 8% of Δ P1). d. Extremely good hydraulic performance, small pressure loss, the pressure reducing ratio can be up to over 10:1. e. Capable of satisfying multiple pressures reducing requirements, especially suitable for the branch-pipe pressure reducing system.
FLOW CURVE OF MAIN VALVE
FLOW CURVE OF MAIN VALVE
Technical parameters
Type Model PN(MPa) DN(mm) Way of connection Body material Outlet pressure (MPa) Working temperature
Branch-pipe pressure reducing valve YZ11X-16T, YZ11X-25T 1.6, 2.5 15~50 Inner thread Bronze 0.05~0.6
(adjustable) 		0~80°C
YZ11X-16P, YZ11X-25P Stainless steel
Dimensions
DN Dimensions(mm) Weight (Kg)
mm In A B C fG
15 1/2 31 60 76.5 59 1.2
20 3/4 31 75 76.5 73 1.2
25 1 36 88 85 81 1.4
32 11/4 42 93 98 81 1.5
40 11/2 45 98 102 85 2
50 2 54 130 117 98 2.65
Typical installation
Typical installation
Typical installation
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