Pressure Reducing Valve Y43h-16c (1"-10")

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  • Model NO.: Y43H-16C
  • Temperature: Ordinary Temperature
  • Valve Seat: Single-Seat
  • Material: Cast Steel/Cast Iron/Stainless Steel/Brass
  • Transport Package: Wooden Case
  • Origin: Shanghai, China
  • Certification: CCC, RoHS, ISO, CE
  • Connection: Flange
  • Structure: Bellows
  • Trademark: Qingjiang Valve
  • Specification: 1"-10"
Flange pressure reducing valve from the general thread of the pressure reducing valve, its connection flange, this is a control valve in the body of the opening of the opening and closing of regulating the flow of medium, the medium pressure is reduced, at the same time with the aid of the role of the valve after pressure adjust the opening of open-close part, keep the valve after pressure within a certain range, under the condition of the inlet pressure changing, keep the outlet pressure within the scope of the set, protection appliances for production from then on. Flange pressure reducing valve, piston valve, steam pressure reducing valve is a necessary accessories, pneumatic control valve of the main effect is to origin, pressure relief and stability to a fixed value, so that the regulator can obtain stable gas source power for regulating control.
The structure can be divided into diaphragm type, spring film type, piston type, lever type and bellows type. The seat number can be one-seated and two-seat type; According to the position of the disc, it can be divided into positive action and reaction type
The flange pressure reducing valve is controlled by the post-valve pressure. As the pressure sensor detects the valve pressure indication increases, the valve opening decreases; When the pressure decreases after the pressure reducing valve is detected, the valve opening of the pressure reducing valve increases to meet the control requirements.
Flange pressure reducing valve - the pressure reducing ratio of valve must be above the system value to a certain extent; It should be able to respond to positive or reverse control signals even at maximum or minimum flow. These valves should be selected for useful control range, i.e. 20% to 80% of maximum flow. Normal for equal ratio or equivalent. These types of valves themselves have the optimal flow characteristics and flow ranges required for proportional control.
Many different kinds of pressure reducing valve, common are: the guide piston type pressure reducing valve, diaphragm pressure reducing valve, bellows type pressure reducing valve, proportional pressure reducing valve, self-reliance type pressure reducing valve, direct acting piston type pressure reducing valve, back pressure regulator, etc. They apply to different working media respectively.
Different forms have different specific working principles. But the general principle is that the pressure-relief valve is the throttling of the open parts, reducing the import pressure to a desired outlet pressure and keeping the export pressure stable. But general pressure reducing valve requires that the pressure difference must be greater than 0.2mpa.

Y43H - 16C steam pressure reducing valve /cast steel pressure reducing valve  's technical data:

Name of part
Material

Body, Bonnet, Cap
Stainless steel

Seat, Disc
2Cr13

Cylinder liner, Piston
Ampco

Diaphram
1Cr18Ni9

Piston ring
Alloy cast iron/PPL polyphenyl

Guide valve seat, Guide valve stem
2Cr13

Spring of guide valve
50CrVA

Main spring of guide valve
50CrVA

Adjusting spring
60Si2Mn

Sealing packing
EPDM/PTFE

stainless steel pressure reducing valve main external and connection dimension:

 PN
1.0
1.6
2.5

Shell test pressure 
1.5
2.4
3.75

Seal test pressure 
1.0
1.6
2.5

The highest inlet pressure
1.0
1.6
2.5

Outlet pressure range
0.1-0.8
0.1-1.0
0.1-1.6

Pressure characteristics derivation 
GB12244-1989

Flow characteristics derivation 
 
GB12244-1989

Minimum differntial pressure 
 
0.15
0.15
0.15

Leakage
GB12244-1989

Pressure Reducing Valve Y43h-16c (1
Pressure Reducing Valve Y43h-16c (1
Our company introduction:
Shanghai Qingjiang Valve Manufacturing Co, . Ltd. Is located in Shanghai Fengxian Industrial Zone, is a commitment to scientific research, production, sales of professional valve manufacturer. 
Company to an international metropolis -- Shanghai as the basis, make full use of regional advantages and industry, is committed to the introduction of international advanced management experience and technological innovation, and actively promote the enterprise comprehensive strength, and expand market share, formed with the gate valve, globe valve, ball valve, check valve, butterfly valve, hydraulic control valve, balance valve, relief valve, regulating valve and so on more than 60 series nearly 1000 varieties of products structure. Products nominal diameter is 1/4"-80" (DN6-2600mm) pressure 0.1MPa - 32.0MPa, temperature -196-595º C. Valve of the main materials are cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper and other materials, and according to the special needs of customers and manufacture of metal products. Widely used in construction, municipal, water supply and drainage, HVAC, fire, electricity, metallurgical, petrochemical, gas and other industries, and exported to the Middle East. Europe and the United States and Southeast Asia and other countries and regions. High quality wins the customer the consistent high praise and trust. 

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