China Jingjia Valve (Group)  Co., Ltd.
Hotline:+86-577-67987115  Email:sales@cn-jingjia.com     
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YZ11X
YZ11X model directly acting pressure reducing valve
Detailed information

一、 Purpose  

The water used pressure reducing valve made in this factory is used for various building’s water supply systems, fire-fighting systems, central air-conditioning systems and warming systems. It is used for the pressrue reduction of branch pipes so as to have the water supply pressure more reasonably distributed, avoid over-pressure for partial water supply and optimize the water supply quarters of high buildings and can replace the frequency-adjusted speed variable water pump of the quarters and the water pump of the quarters in a fire-fighting water supply system. When used for the household water supply system, it can protect all tape halters and other water utensils.

二、 Feature

1. Use a directly acting membrane structure, with very simple internal structure,without jamming, reliable performance and durable.
2. Dirt-resisting and water filth preventing, no need of a filter and a by-pass pip-e, very simple pipe-fitting, saving a great deal of space and pipe-fitting cost.
3. Precisely adjustable outlet pressure, which is not influenced by the inlet one,in general conditions (the variable of the output pressure is 8% of/ P1).
4. Extremely good hydraulic performance, small pressure loss, the pressure reduc-ing ratio can be up to over 10:1
5. Capable of satisfying multiple pressure reducing requirements, specially suitable or the branch-pipe pressure reducing system.

三、Main Technical Parameters

Type  Model 公稱壓力 PN(MPa) 公稱通徑 DN(MPa) Way of connection Body material
Outlet pressure (MPa)
Working temperature
 Branch-pipe pressure re-ducing valve Yzllx-16T.Yzllx-25T 1.6.2.5 15-50  thread 青鋼 0.05-0.6 adjustable O~80℃
Yzllx-16P.Yzllx-25P  
stainless steel

四、 Main External Dimensions

公稱通徑 DN(MPa)  Dimensions(mm) Weight (kg)
mm in A B C φ G
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


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Add:Dong’ou Industrial Zone, Wenzhou, Zhejiang, China
Tel:+86-577-67987115  Fax:+86-577-67987118  Email:sales@cn-jingjia.com
Release all :China Jingjia Valve (Group) Co., Ltd. Technical support :Global pump and valve trade [Manager]
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