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Summary: Production of H41x noise reducing check valve and HC41X noise reducing check valve: for use in water supply and drainage pipelines, consultation hotline. We provide you with the connection dimensions, purchasing instructions, product parameters, and introduction of HC41X silencing check valve.
◆HC41X silencing check valve connection size
Puhui brand HC41X noise reducing check valve
HC41X noise reducing check valve product introduction
The HC41X silencing check valve relies on the flow of water itself and pipeline pressure to push open the valve disc and allow water to pass through; By relying on the backflow force, the valve disc is pushed to close to prevent water backflow. The silencing check valve is an automatic valve that prevents water from flowing back. The silencing check valve does not require any other energy source to achieve operational performance.
Main parameters of HC41X silencing check valve
Nominal pressure: 1.0MPa-1.6MPa-2.5MPa;
Specification caliber: DN40 to DN350
Medium temperature: 0 to 80 degrees;
Applicable media: water, reclaimed water;
Connection form: flange;
Shell material: cast iron;
Flange standard: GB/T17241.6 GB/T9113；
Test standard: GB/T13927，Ap1598。
Characteristics of HC41X noise reducing check valve
H41x，HC41X type silencing check valveSuitable for water supply and drainage pipelines. The valve disc is guided by the central axis at both ends of the inlet and outlet, with flexible opening and closing, and can be installed horizontally or vertically. The HC41X noise reducing check valve disc is spring-loaded, and its quick closing can effectively reduce water hammer pressure, with good sealing performance and no noise when closed. The HC41X noise reducing check valve has the advantages of small size, light weight, low fluid resistance, fatigue resistance, and long service life.
Structural characteristics of HC41X silencing check valve
The HC41X noise reducing check valve body adopts a "waist drum" shape design to reduce the flow resistance coefficient;
2. The valve adopts a short structure form, although the head loss is slightly larger than that of the lift type silent check valve, it is small in size and cheap in price;
3. Exquisite materials: ductile iron shell body, stainless steel rod accessories.
Working principle of HC41X silencing check valve
When the medium flows in the specified direction, the valve disc is opened by the force of the medium; When the medium flows back, the sealing surface between the valve disc and the valve seat is tightly closed due to the self weight of the valve disc and the reverse force of the medium acting on the valve disc, achieving the purpose of preventing the medium from flowing back.
What are the purchasing instructions for HC41X silencing check valve?
1. Caliber. The caliber range is 40mm-350mm.
2. Pressure. Daily work pressure, the highest pressure. Daily work pressure ranges from 0.2MPa to 1.6MPa.
3. Medium. The medium is clear water or reclaimed water.
4. Material requirements for HC41X silencing check valve. The shell material is ductile iron QT450. Valve shaft made of stainless steel. Stainless steel spring.
2. Pressure. Daily work pressure, the highest pressure. Daily work pressure ranges from 0.2MPa to 1.6MPa.
3. Medium. The medium is clear water or reclaimed water.
4. Material requirements for HC41X silencing check valve. The shell material is ductile iron QT450. Valve shaft made of stainless steel. Stainless steel spring.
◆HC41X silencing check valve connection size
| Caliber D1 (mm) | Outer diameter D2 (mm) | Total length L (mm) |
| 40 | 160 | 124 |
| 50 | 160 | 130 |
| 65 | 180 | 135 |
| 80 | 195 | 155 |
| 100 | 215 | 165 |
| 125 | 245 | 185 |
| 150 | 280 | 215 |
| 200 | 335 | 250 |
| 250 | 405 | 250 |
| 300 | 460 | 300 |
| 350 | 520 | 350 |
HC41X noise reducing check valve picture display
The left side of the image below shows the finished product of the cast iron housing of the HC41X noise reducing check valve, which has a smooth appearance. The pressure, diameter, and flow direction indicated on the valve body. The image on the right is a finished product of brass shell material. When choosing this product, be sure to choose a ductile iron shell for the cast iron material. For this product, the shorter the stroke, the longer the service life of the ductile iron shell. The HC41X noise reducing check valve stem is made of stainless steel rod processing, and the spring is also made of stainless steel, which makes the overall combination have a longer service life. The HC41X noise reducing check valve is easy to install and does not require daily maintenance. Adopt flange connection method. The check effect is stable. Puhui Valve, a well-known and high-quality noise reducing check valve, provides free design and installation solutions. HC41X silencing check valve looks forward to your call: 0317-8294124.
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