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Closed Flange Check Valve
| Price | Negotiable |
|---|---|
| Min Order | 1 Piece |
| Availability | In Stock |
| Shipping From | Guangdong, China |
| Popularity | 496 people viewed |
Model NO.:
HH49X-16C
Media:
Oil
Temperature:
Ordinary Temperature
Material:
Cast Steel
Connection Form:
Welding
Structure:
Butterfly
Pressure:
Low Pressure
Function:
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form:
Bellows Globe Valve
Flow Direction:
Bidirectional
Standard:
GB
Application:
Industrial Usage, Water Industrial Usage, Household Usage
Transport Package:
Cartons
Product Description
Industrial Micro Resistance Slow Closing Check Valve
Purpose
This valve is mounted on the pump outlet of the water supply and drainage system in industrial,agricultural,city,building etc.trades and used to prevent the medium from backflow, eliminate water hammer and ensure both pump and pipeline to work safely.
Features
With a balancing hammer set, there is a small resistance with the disc at swinging to the water-flow and the force to open the valve comes as only 1/5 that of the original swing type.
There is a damper set on the rest travel section of the disc after being closed and the damping time can be adjusted to prevent destructing water hammer from being produced.
A good tightness with the disc, reducing vibration, wearable and long durable.
Steady work, low noise.
Executive standard
Flange standard: GB/T17241.6(cast iron ),GB/T9113(cast steel)
Test and inspection:GB/T13927
Performance range
Main part materials
Main dimensions
Purpose
This valve is mounted on the pump outlet of the water supply and drainage system in industrial,agricultural,city,building etc.trades and used to prevent the medium from backflow, eliminate water hammer and ensure both pump and pipeline to work safely.
Features
With a balancing hammer set, there is a small resistance with the disc at swinging to the water-flow and the force to open the valve comes as only 1/5 that of the original swing type.
There is a damper set on the rest travel section of the disc after being closed and the damping time can be adjusted to prevent destructing water hammer from being produced.
A good tightness with the disc, reducing vibration, wearable and long durable.
Steady work, low noise.
Executive standard
Flange standard: GB/T17241.6(cast iron ),GB/T9113(cast steel)
Test and inspection:GB/T13927
Performance range
| PN | 1.6 | MPa |
| Strength test | 2.4 | |
| Sealing test | 1.76 | |
| Suitable temperature | ≤80 | ºC |
| Media used | water | |
| Adjustable time on the slowly closing section | 0~60S | |
| Title of part | Material |
| Body/Bonnet | Grey cast iron, ductile iron, cast steel |
| Disc | Rubber lined steel skeleton |
| Stem | Stainless steel |
| Adjusting valve/piston | Adjusting valve/piston |
Main dimensions
| DN | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
| L | 350 | 400 | 480 | 500 | 600 | 700 | 800 | 900 | 1100 | 1300 | 1400 | 1500 | 1700 | 1900 |
| A | 230 | 240 | 260 | 350 | 390 | 400 | 460 | 550 | 640 | 740 | 750 | 800 | 900 | 1000 |
| B | 340 | 370 | 402 | 470 | 550 | 622 | 660 | 800 | 950 | 1100 | 1180 | 1250 | 1470 | 1570 |
| H | 460 | 500 | 580 | 680 | 730 | 850 | 950 | 1030 | 1262 | 1520 | 1644 | 1774 | 2084 | 2195 |
| Hı | 200 | 234 | 274 | 302 | 348 | 370 | 410 | 450 | 550 | 635 | 720 | 780 | 920 | 970 |
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