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  • 200X Water Pressure Reducing Valve

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200X Water Pressure Reducing Valve

200X Water Pressure Reducing Valve

  • Model:200X-10/200X-16/200X-25/200X-10Q/200X-16Q/200X-25Q/200X-10P/200X-16P/200X-25P
  • Specification:DN50-DN800
  • Temperature:≤ 80℃
  • Medium:Water and water-like media
  • Pressure:PN10,PN16,PN25
  • Connection method:Flange
  • Driving method:Automated
  • Material:Cast Iron、Cast Steel、Stainless Steel、brass
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200X Water Pressure Reducing ValveOverview

200X Water Pressure Reducing Valve Overview

The 200X Water Pressure Reducing Valve is an automatically controlled valve that adopts a pilot-piston design, specifically used to stabilize and reduce downstream water pressure in water supply systems. The valve utilizes a pilot valve to sense downstream pressure changes, driving the main valve disc via a piston or diaphragm to automatically adjust the opening degree of the valve port. This allows fluctuating inlet pressure to be reduced to a set, stable outlet pressure. The valve body is typically made of brass, cast iron, or stainless steel, making it suitable for both cold and hot water systems. This valve effectively eliminates water hammer, reduces noise, and protects downstream pipelines and equipment. It is widely used in building water supply, fire protection systems, regional water supply, industrial circulating water systems, and other pipeline applications.

200X Water Pressure Reducing Valve Product Image

200X Water Pressure Reducing ValveCharacteristic

200X Water Pressure Reducing Valve Features

1. Accurate and Stable Pressure Reduction Performance: Utilizing a pilot-operated control principle, it responds sensitively to downstream pressure changes, precisely maintaining the outlet pressure at the set value with minimal fluctuation and high stability.

2. Automatic Adjustment and Wide Pressure Range: When the inlet pressure varies within a certain range, the valve automatically and continuously adjusts to keep the outlet pressure constant. It typically features a high pressure reduction ratio and is suitable for a wide range of pressure conditions.

3. Reliable Structure and Easy Maintenance: The separate design of the main valve and pilot valve results in low failure rates. A strainer protects the pilot system, and key components such as diaphragms and O-rings are easy to inspect and replace.

4. Water Hammer Elimination and Low Noise: Its smooth regulating action effectively prevents sudden pressure changes, significantly reducing water hammer effects and fluid noise, thereby protecting the pipeline system.

5. Flexible Installation and Wide Applicability: It can be installed horizontally or vertically (specific models required), with flange or threaded connections available. Suitable for domestic water supply, firefighting, irrigation, and various industrial water systems, offering high cost-effectiveness.

200X Water Pressure Reducing Valvestructure principle

200X Water Pressure Reducing Valve Structure Diagram

Parts Name Material List

NO.NameMaterial
1bodyCast Iron, Cast Steel, Stainless Steel
2seatCopper, Stainless Steel
3gasketReinforced Rubber
4Gasket Pressure PlateCopper, Stainless Steel
5discCopper, Stainless Steel
6ball valveCopper
7diaphragmReinforced Rubber
8Diaphragm Pressure PlateCopper, Stainless Steel
9Pilot ValveCopper
10ball valveCopper
11Pressure Gauge
12Compression SpringStainless Steel
13StemStainless Steel
14bonnetCast Iron, Cast Steel, Stainless Steel
15needle valveCopper
16ball valveCopper
17Pressure Gauge
18Micro FilterStainless Steel


200X Water Pressure Reducing Valvetechnology parameter
Performance Specification
Nominal Pressure1.0/1.6/2.5Mpa
Shell Test1.5/2.4/3.75
Seal Test1.1/1.76/2.75
Suitable Temp.≤80


200X Water Pressure Reducing Valvestandard size

200X Water Pressure Reducing Valve View Drawing

200X Water Pressure Reducing Valve Dimensions Table

公称通径尺 寸 (mm)
LDD1D2Z-фdF1FH1H
PN10PN16PN25PN10PN16PN25PN10PN16PN25PN10PN16PN25
50240165165165125125125102102994-184-184-18155330278395
652501851851851451451451221221184-184-188-φ18165350298405
802552002002001601601601331331328-4188-Φ188-18175365313430
1003602202202351801801901581581568-188-Φ188-Φ22195410350510
1254002502502702102102201841841848-Φ188-Φ188-226220455365560
1504552852853002402402502122122118-Φ228-228-Φ26230475420585
2005853403403602952953102682682748-Φ2212-42212-426255530450675
25065039540542535035537032032033012-Φ2212-+2612-430300623470730
300800445460485400410430370370389124221242616-+30340700490760
35086050552055546047049043043044816-+2216-φ2616-φ33415840526840
40096056558062051552555048248250316-42616-43016-136430880570910

公 称 通 径 DN(mm (尺 寸 ( m m )
LDD1D2Z-фdHH1BF
PN10PN16PN1 0PN1 6PN1 0PN1 6PN10PN16
35086050552046047043043816-φ2 216-φ2 6340495650640
40096056558051552548249016-φ2 616-φ3 0380550730715
450107561564056558553255020-φ2 620-φ3 0420610800780
500107567071562065058561020-φ2 620-φ3 3470665880830
600123078084072577068572520-φ3 020-φ3 6545725980880
700165089591084084080079524-φ3 024-φ3 65958651150980
80017501015102595095090590024-φ3 324-φ3 966597513001050