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Hebei Xukang Meter Manufacturing Co., Ltd.

Proportional-Type Reducing Valves, Water Pressure Regulator, Water Regulator manufacturer / supplier in China, offering Proportional-Type Reducing Valves / Water Pressure Regulator, Water, Oil Magnetic Float Level Gauge- Level Indicator, Mass Flow +Volume Flow+Density +Temperature Indicator Mass Flowmeter and so on.

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Proportional-Type Reducing Valves / Water Pressure Regulator

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Min. Order: 1 Piece
Transport Package: Wooden Box
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: YB43X
  • HS Code: 848110009
  • Origin: China
Product Description

 
Serial pressure reduction
 Leakage and burst protection  
High differential pressure systems  
Protection against cavitation damage  
Throttling noise reduction

The downstream pressure is applied as the closing force  on the top side of both the piston and the seal disk areas. The upstream pressure is applied as the opening force on the  .bottom side of the seal disk area  The net force, resulting from the two opposing dynamic forces acting on the actuator's piston and seal, determines the degree  to which the valve is open. The valve seeks the point where these forces are equal. As the ratio of the areas of the seal disk  .and the piston is constant, the ratio of the upstream and downstream pressures is constant as well  A rise in downstream pressure causes a momentary increase of the closing force. As a result, the valve throttles closed reducing  .downstream pressure according to the constant ratio  .When demand is zero, downstream pressure rises in proportion to the ratio, causing the valve to shut off

Structure and function

YB43X, YB13X proportional-type reducing valve.This valve is mainly constituted by the body, inlet flange, piston, large cylinder sleeve, small cylinder sleeve, outlet flanges and o-shaped rings, sealing gaskets, etc. proportional reducing valve makes use of different sectional area of two float piston ends to constitute the front-back pressure difference, and change the back-pressure to achieve the purpose of pressure-reducing. Proportional reducing valve is of unique structure, superior performance, large flow, switch smooth, without noise, stable ratio of reduced pressure namely: "reducing dynamic pressure" and "reducing static pressure", and has function:reduce and eliminate the phenomenon of water hammer to water supply pipe, eliminate the instruments of vibration,protection pipe and water conservation.
Standards pressure ratio for 2:1, 3:1,4:1, 5:1, and 3:5:2 etc, designed according to user's requirements of special proportion of valve.

Dimensions & constructral diagram
Proportional-Type Reducing Valves / Water Pressure Regulator

Y43X main technical parameter of fixed proportion reducing valve

Applicable medium water,gas
Applicable temperature ≤90 ºC
pressure error ≤8%
min. starting –up pressure 2:1 0.2MPa
3:1 0.3MPa
connection type flange, internal thread
material of main parts body tin bronze stainless steel cast iron
internal component tin bronze stainles steel tin bronze or stainless steel









  Main external dimensions(Flange-Connection DimensionPN1.0Mpa Abide By GB4216.4-84 Standard,PN1.6Mpa Abide By GB4213.5-84 Standard )
nominal diameter DN(mm) A D3
25 232 115/125
32 246 140/150
40 256 150/155
50 270 165/175
65 306 185/200
80 320 210/230
100 340 240/265
125 400 275/300
150 429 310/350
200 358 355/400
type nominal pressure nominal diameter DN(mm) L
YB43X-10T (Btype) 1.0 50 85
65 102
80 122
100 140
125 160
150 178
200 230
YB43X-16T (Btype) 1.6 50 85
65 102
80 122
100 140
125 160
150 178
200 230
nominal diameter DN(mm) dimensions(mm)
C L D
15 1/2" 80 50
20 3/4" 80 50
25 1" 90 54
32 1 1/4" 100 60
40 1 1/2" 110 68
50 2" 120 80

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