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200P adjustable pressure reducing valve


200P adjustable pressure reducing valve
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  Product name :

200P adjustable pressure reducing valve

   Product model :

200P

   Driving method :

Manual

   Connection form :

Flange

   Structure form :

   Sealing material :

  Nitrile rubber

   Pressure range :

MPa 1.0 ~ 1.6 MPa

   Nominal diameter :

-DN1000 DN15 -DN1000

   Common materials :

Aluminum bronze

   Technical consultation :

021-31007323

是国内著名〖 200P 可调式减压阀 〗制造商,也是国内大型【 水力控制阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖 200P 可调式减压阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known manufacturer of 200P adjustable pressure reducing valve in China and one of the large domestic manufacturers of [ hydraulic control valves ]. Since its establishment, the company has always focused on customer needs and continued to innovate. The majority of agents and corporate customers provide the " 200P Adjustable Pressure Reducing Valve" solution, which is reliable in quality and affordable, so it sells well all over the country. Welcome new and old customers to call us and email us. We will provide you with the best service.

 

200P 可调式减压阀简介: I. Introduction of 200P adjustable pressure reducing valve:

          ( 又名水利控制阀 ) 就是水压控制的阀门, 水力控制阀 由一个主阀及其附设的导管﹑导阀﹑针阀﹑球阀和压力表等组成。 The adjustable pressure reducing valve ( also known as the hydraulic control valve ) is a valve controlled by water pressure. The hydraulic control valve consists of a main valve and its attached conduit, pilot valve, needle valve, ball valve and pressure gauge. Depending on the purpose, function and location, it can evolve into remote control float valve, pressure reducing valve, slow-closing check valve, flow control valve, pressure relief valve, hydraulic electric control valve, pump control valve, etc. This type of valve should generally be installed horizontally in the pipeline.

A filter should be installed before the adjustable pressure reducing valve, and it should be easy to drain.

The adjustable pressure reducing valve is a self-lubricating valve body that uses water and does not require additional oil lubrication. If the parts inside the main valve are damaged, please follow the instructions below to disassemble. 注:内阀内一般消耗损伤品为膜片和 ... ( Note: The general consumable damage products in the inner valve are the diaphragm and ...

CECS 标准《水力控制阀应用设计规程》 ( 送审稿 ) 为基础,结合本人的体会来阐述上述诸方面的 {TodayHot} 问题。 However, there are still some misunderstandings when applying hydraulic control valves in engineering, such as the applicable conditions of the valve, the requirements for the design and selection of the valve, and the main points of installation. (Manuscript ) as the basis, combined with my experience to explain the {TodayHot} issues in the above aspects .


200P 可调式减压阀主要技术参数: Main technical parameters of 200P adjustable pressure reducing valve:
 

model

200P-10T

200P-16T

PN MPa Nominal pressure PN ( MPa )

1.0

1.6

MPa Valve body test pressure ( MPa )

1.5

2.4

MPa Valve seat test pressure ( MPa )

1.1

1.76

M/s Maximum flow ( M / s )

6

Decompression range

≤0.7MPa

 

200P 可调式减压阀主要零件材料: Material of main parts of 200P adjustable pressure reducing valve:

Part Name

material

Valve body, valve disc

Aluminum bronze

Strainer, nut, washer, spring gland

stainless steel

spring

60Si2Mn

形圈 O -ring

Nitrile rubber

 

200P 可调式减压阀主要外形尺寸: 4. The main dimensions of 200P adjustable pressure reducing valve:

Nominal diameter
DN (mm)

(mm) Size (mm)

L

H

H1

15

112

170

130

20

112

183

130

25

135

189

143

32

165

242

195

40

192

273

222

50

231

307

252

 

  200P 可调式减压阀选型要点: V. Selection points of 200P adjustable pressure reducing valve:
 

Key points for design and selection of adjustable pressure reducing valve

   工程式中应用的水力控制阀是经过制造厂检验合格,各种标识齐全,技术资料符合要求的产品。 (1) The hydraulic control valve used in the engineering type is a product that has passed the inspection of the manufacturer, has a variety of signs, and has technical data that meets the requirements.

   根据功能要求,选择阀门种类,再根据管道输送介质、温度、建筑标准和业主要要求等,确定阀门的阀体和密封部位的材质。 (2) According to the functional requirements, select the type of valve, and then determine the material of the valve body and the sealing part according to the pipeline transportation medium, temperature, building standards, and main requirements of the industry. Common valve body materials are cast iron, copper iron, copper, plastic, etc. Common sealing surfaces and lining materials are copper alloy, plastic, steel, cemented carbide, rubber, etc. The body material should match the piping material.

   阀门的公称压力有 0.6 1.0 1.6 2.5 4.0MPa 等不同级别,管道输送的介质,其工作压力应小于阀门的公称压力值。 (3) The nominal pressure of the valve has different levels such as 0.6 , 1.0 , 1.6 , 2.5, and 4.0 MPa . The working pressure of the medium conveyed by the pipeline should be less than the nominal pressure of the valve.

   工程中水力控制阀的设置应当有足够的空间,以便管理、操作、安装和维修,并应符合管路对阀门的要求。 (4) The setting of hydraulic control valves in the project shall have sufficient space for management, operation, installation and maintenance, and shall meet the requirements of the pipeline for the valves.

   管路采用法兰连接时,应采用法兰连接的水力控制阀 ; 管路采用沟槽式连接时,应采用沟槽式连接的水力控制阀。 (5) When the pipeline adopts flange connection, the flange-connected hydraulic control valve should be used ; when the pipeline adopts groove connection, the groove-connected hydraulic control valve should be used.

   活塞式可调式减压阀应设置在介质单向流动的管路上。 (6) The piston-type adjustable pressure reducing valve should be arranged on the pipeline where the medium flows in one direction.

   活塞式可调式减压阀主阀体上的箭头方向必须与管路系统流向一致。 (7) The direction of the arrow on the main body of the piston adjustable pressure reducing valve must be consistent with the flow direction of the piping system.

   接水力控制阀管段不应有气堵、气阻现象。 (8) There should be no air blocking or air blocking in the pipe section of the hydraulic control valve. An automatic exhaust valve should be set in the gas storage section such as the highest position of the pipe network.

   阀门水平安装时,阀盖、阀杆应朝上。 (9) When the valve is installed horizontally, the valve cover and valve stem should face upward. When installed vertically, the bonnet and stem should face outwards.

   阀门安装前应做强度和严密性试验。 (10) Strength and tightness test should be done before valve installation.

   阀门的强度和严密性试验应符合以下规定。 (11) The strength and tightness test of the valve shall meet the following requirements.

   、阀门的强度试验压力为公称压力的 1.5 ; A. The strength test pressure of the valve is 1.5 times the nominal pressure ;

   、阀门的严密性试验压力为公称压力的 1.5 ; B. The tightness test pressure of the valve is 1.5 times the nominal pressure ;

   、试验压力在试验持续时间内应保持不变,且壳体填料及阀瓣密封面无渗漏 ; C. The test pressure shall remain unchanged for the duration of the test, and there shall be no leakage from the packing of the casing and the sealing surface of the valve disc ;

   、阀门试验持续时间按上表。 D. The duration of the valve test is according to the table above.

( ) 其进水管公称直径大于或等于 50mm 时宜设置遥控浮球阀。 When the nominal diameter of the inlet pipe of the water tank ( box ) of the living, production and fire fighting water supply system is greater than or equal to 50mm , a remote-control floating ball valve should be provided. The nominal diameter of the remote float should be the same as the nominal diameter of the pipeline. , 过滤器应符合下列规定: A filter should be set in front of the remote control float valve, and the filter should meet the following requirements:

可调 式减压阀 宜水平安装。 Piston adjustable pressure reducing valve should be installed horizontally. When installed horizontally, the valve cover should be upward. There shall be drainage facilities behind the pressure reducing valve of the fire water supply system. ( 沿水流方向 ) ,与单个报警阀配套设置的减压阀,可不设备用减压阀 ; 与多个报警阀配套设置的减压阀,应设备厂用减压阀。 When the pressure of the sprinkler system is required to be reduced, the pressure reducing valve should be set in front of the alarm valve ( along the direction of water flow ) . The pressure reducing valve should be set for the factory. For pressure reducing valves used in hot water supply projects, hot water type pressure reducing valves shall be used.

( 半循环方式 ) 的热水供应工程,减压阀设置要求应与冷水工程相同 ; 采用立管循环方式 ( 全循环方式 ) 的热水供应工程,减压阀设置应防止热水循环的破坏,各分区回水管在汇合点压力应平衡。 For hot water supply projects using the dry pipe dry pipe circulation method ( semi-circulation mode ) , the pressure relief valve setting requirements should be the same as those of the cold water project ; for hot water supply projects using the vertical pipe circulation method ( full circulation mode ) , the pressure relief valve settings To prevent the destruction of hot water circulation, the pressure of the return pipes in each zone should be balanced at the junction.

50mm 时,应采用直线式减压阀 ; 当大于 50mm 小于 100mm 时,宜采用先导式减压阀。 When the nominal diameter of the adjustable pressure reducing valve is not greater than 50mm , a linear pressure reducing valve should be used ; when it is larger than 50mm and less than 100mm , a pilot-operated pressure reducing valve should be used.

( 如旅馆、住宅、医院 ) ,在有安静要求的场合,可调式减压阀宜异径并联设置。 For some high-rise civil buildings ( such as hotels, residences, and hospitals ) with extremely uneven water consumption , when there are quiet requirements, adjustable pressure reducing valves should be installed in parallel with different diameters. Reducing parallel setting should meet the following requirements:

( 半循环方式 ) 的热水供应工程,减压阀设置要求应与冷水工程相同 ; 采用立管循环方式 ( 全循环方式 ) 的热水供应工程,减压阀设置应防止热水循环的破坏,各分区回水管在汇合点压力应平衡。 For hot water supply projects using the dry pipe dry pipe circulation method ( semi-circulation mode ) , the pressure relief valve setting requirements should be the same as those of the cold water project ; for hot water supply projects using the vertical pipe circulation method ( full circulation mode ) , the pressure relief valve settings should be To prevent the destruction of hot water circulation, the pressure of the return pipes in each zone should be balanced at the junction.

Variation of Piston Adjustable Pressure Reducing Valve

5 种给水系统常用的以外尚有电动浮球阀、水力电动控制阀、电磁控制阀、流量控制阀、紧急关闭阀等。 With the main valve unchanged, through the needle valve, pilot valve and corresponding control system, according to different requirements in the pipe network, dozens of functions of the valve can be evolved. In addition to the above five water supply systems commonly used, there are still Electric floating ball valve, hydraulic electric control valve, solenoid control valve, flow control valve, emergency shutdown valve, etc. Have different design selection requirements and installation requirements.

( 含消防 ) 系统中广泛应用。 Because the hydraulic control valve uses the medium's own pressure and the hydraulic system to operate in the mode of operation, and can be automatically controlled, the action is accurate and the performance is reliable, so it is widely used in building water supply ( including fire protection ) systems. The design, selection and installation points of several commonly used hydraulic control valves, such as remote control float valve, adjustable pressure reducing valve, slow-closing check valve, pressure relief valve and pressure holding valve, are introduced respectively.

The adjustable pressure reducing valve is a method that uses the energy of the medium to adjust the pressure of the pipeline. By adjusting the pressure reducing pilot valve, the outlet pressure of the main valve is controlled. Changes in pressure change the outlet pressure. Reliable sealing performance, convenient installation, maintenance, debugging and inspection, and long service life.

 

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