Model NO.: 200X
Material: Cast Iron/Ductile Iron/Stainless Steel
Coating: Epoxy Resin Coated to 300 Microns Inside & Outside
Trademark: Blank
Transport Package: Wooden Case
Specification: DN50-DN600
Origin: Fujian
HS Code: 8481804090
Model NO.: 200X
Material: Cast Iron/Ductile Iron/Stainless Steel
Coating: Epoxy Resin Coated to 300 Microns Inside & Outside
Trademark: Blank
Transport Package: Wooden Case
Specification: DN50-DN600
Origin: Fujian
HS Code: 8481804090
Water Flow hydraulic Control Pressure reducing Valve

Introduction
The pressure-reducing valve is adjusted to reduce the inlet pressure to a desired outlet pressure and rely on the energy of the medium itself to keep the outlet pressure automatically stable. From fluid mechanics point of view, pressure reducing valve is a throttling element, local resistance to change that by changing the throttling area, change the kinetic energy of the flow velocity and fluid, different pressure loss, so as to achieve the goal of decompression. Then the control and adjustment system can be adjusted to balance the pressure fluctuation of the valve and the spring force, so that the pressure of the valve remains constant within a certain margin of error. It is widely used in high rise buildings, water pressure of the city water supply pipe, and other occasions, so as to ensure the proper service water pressure and flow of water points in the water supply system.

Specification
  Water Flow Hydraulic Control Pressure Reducing Valve
 
 
No.. Part Material
1 Body Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
2 Seat 410 S.S. / SS 304 / SS 316
3 Stem 410 S.S. / SS 304 / SS 316
4 O-ring washer Cast Iron
5 O-ring NBR
6 O-ring NBR
7 Disc Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
8 Diaphragm Rubber
9 Diaphragm Washer Cast Iron
10 Screw Bronze
11 Spring Spring steel
12 Cover Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
13 Ball Valve Bronze
14 Ball valve Bronze
15 Pressure show  
16 Pilot valve Bronze
17 Hang ring Steel
18 Pilot socket Bronze
19 Needle valve Bronze
20 Ball valve Bronze
21 Pressure show  
22 Stud Steel
23 Screw Steel
 
DN(mm) 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L 203 235 285 360 400 455 585 650 800 860 915 980 1075 1230
PN10 D 160 180 195 215 245 280 335 390 440 500 565 615 670 780
D1 125 145 160 180 210 240 295 350 400 460 515 565 620 725
PN16 D 160 180 195 215 245 280 335 405 460 520 580 640 705 840
D1 125 145 160 180 210 240 295 355 410 470 525 585 650 770
PN25 D 160 180 195 230 270 300 360 425 485 550 610 660 730 840
D1 125 145 160 190 220 250 310 370 430 490 550 600 660 770
H 395 405 430 510 560 585 675 730 760 840 910 1030 1135 1270
 
Photoes
Water Flow Hydraulic Control Pressure Reducing Valve
Water Flow Hydraulic Control Pressure Reducing Valve
Water Flow Hydraulic Control Pressure Reducing Valve

Other Fire fighting Equipment
Water Flow Hydraulic Control Pressure Reducing Valve

  Water Flow hydraulic Control Pressure reducing Valve

Introduction
The pressure-reducing valve is adjusted to reduce the inlet pressure to a desired outlet pressure and rely on the energy of the medium itself to keep the outlet pressure automatically stable. From fluid mechanics point of view, pressure reducing valve is a throttling element, local resistance to change that by changing the throttling area, change the kinetic energy of the flow velocity and fluid, different pressure loss, so as to achieve the goal of decompression. Then the control and adjustment system can be adjusted to balance the pressure fluctuation of the valve and the spring force, so that the pressure of the valve remains constant within a certain margin of error. It is widely used in high rise buildings, water pressure of the city water supply pipe, and other occasions, so as to ensure the proper service water pressure and flow of water points in the water supply system.

Specification
  Water Flow Hydraulic Control Pressure Reducing Valve
 
 
No.. Part Material
1 Body Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
2 Seat 410 S.S. / SS 304 / SS 316
3 Stem 410 S.S. / SS 304 / SS 316
4 O-ring washer Cast Iron
5 O-ring NBR
6 O-ring NBR
7 Disc Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
8 Diaphragm Rubber
9 Diaphragm Washer Cast Iron
10 Screw Bronze
11 Spring Spring steel
12 Cover Cast Iron (GG25, HT200) / Ductile Iron (GG40, QT)
13 Ball Valve Bronze
14 Ball valve Bronze
15 Pressure show  
16 Pilot valve Bronze
17 Hang ring Steel
18 Pilot socket Bronze
19 Needle valve Bronze
20 Ball valve Bronze
21 Pressure show  
22 Stud Steel
23 Screw Steel
 
DN(mm) 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L 203 235 285 360 400 455 585 650 800 860 915 980 1075 1230
PN10 D 160 180 195 215 245 280 335 390 440 500 565 615 670 780
D1 125 145 160 180 Solar Panel Profile

Solar photovoltaic module frame refers to the fixed frame of aluminum alloy profiles for photovoltaic solar panel components. Because solar photovoltaic modules must guarantee an outdoor service life of about 25 years, the aluminum frame used in solar photovoltaic modules must have good oxidation resistance and corrosion resistance. Generally, the frames used in solar photovoltaic modules are divided into three types: anodic oxidation, sandblasting oxidation and electrophoretic oxidation.

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