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Product Details:
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| Type:: | Check Valve, Swing Check Valve | Connection: | Flange Ends |
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| Temperature: | 0-180℃ | Pressure: | PN10/16 |
| Material: | Ductile Iron QT450-10 | Media: | Water, Water Gas Oil Etc |
| Structure: | Swing | Customize: | Acceptable |
| Specification: | DN50-DN600 | Valve Body: | Ductile Iron |
| Color: | Random | ||
| Highlight: | PN16 Rubber Seat Check Valve,DN100 Rubber Seat Check Valve,QT450 rubber flapper check valve |
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In order to overcome the deficiencies of the prior art, the utility model provides a rubber plate check valve which is not easy to be aged and deformed, has a long service life, reliable check sealing operation and good check sealing effect.
The technical scheme adopted by the utility model to achieve the above technical purpose is: a rubber sheet check valve, comprising a check valve body and a flap valve disc arranged in the check valve body, the flap valve flap It includes a flap frame and a rubber cladding layer, wherein the flap skeleton is provided with a reinforcing mesh that is easy to combine with the rubber cladding layer, and an annular flexible sealing airbag is added on the outer ring of the flap valve flap, so The fluid input side of the flap valve is provided with an auxiliary seal recovery mechanism, and a hinge rod is arranged in the auxiliary seal recovery mechanism, and one end of the hinge rod is hinged on the lower side of the flap valve, and the hinge The other end of the rod is connected with an auxiliary return weight ball, and the auxiliary return weight ball is provided with a liquid filling cavity, and the liquid filling cavity is filled with a weight liquid with a density smaller than that of the medium flowing through the valve body.
The flexible airbag is provided with two or more mutually independent airbag chambers, and the airbag chambers are filled with inert gas.
The pressure of the inert gas in the airbag chamber is 0.15-0.3MPa.
The outer edge of the flexible sealing airbag is provided with a transition sealing skirt.
The sealing surface of the check valve body is further provided with a sealing groove, and a sealing ring is arranged in the sealing groove, and the diameter of the sealing ring is smaller than the diameter of the flexible sealing airbag.
| Nominal Diameter | DN50--DN600 |
| Pressure level | 0.6Mpa-1.6Mpa |
| Applicable medium | water, steam, gas, oil, etc. |
| Applicable temperature | 0degrees Celsius - 80 degrees Celsius |
| Rubber flap check | flange thickness (mm) | flange outer circle (mm) | waterline height (mm) | waterline diameter (mm) | Height (mm) | Length (mm) | Weight (KG) |
| DN50 | 12.5 | 155 | 2 | 102 | 161 | 205 | 6.5 |
| DN65 | 12 | 180 | 2 | 123 | 178 | 210 | 7.5 |
| DN80 | 14 | 195 | 2 | 134 | 195 | 220 | 9 |
| DN100 | 14.5 | 215 | 2 | 157 | 215 | 250 | 12 |
| DN125 | 20 | 245 | / | / | / | 280 | 15 |
| DN150 | 24 | 280 | / | / | 280 | 325 | 22 |
| DN200 | 24 | 335 | / | / | 337 | 400 | 35 |
Fengbao valve factory is an entity factory with professional production experience and professional manufacturing technology. The company adheres to the business philosophy of "customer-oriented, quality-oriented, attentive service", integrates all kinds of professional advantage resources, and creates cost- effective products. The company has an excellent R & D team, dedicated to creating trustworthy products. Seek new development and create new brand.
The core team has gathered professionals with experience in product R & D, production and operation. The company attaches great importance to the growth of its employees while growing up, and has long been committed to the cohesion and improvement of their sense of responsibility, technical level and professional knowledge. The company provides development opportunities and platforms for every excellent employee, provides standardized system training and promotion mechanism, and helps employees to improve and grow in their own work field.
The company's products are mainly featured by appropriate price, excellent quality and high cost performance. Company independent research and development, production, unique production, to achieve the first-class quality, and favored by the majority of customers!
A : Generally it is 15-30 days. If the goods are in stock 5 days or if the material is not at stock it requires 10 days above, it is according to quantity.
A : Yes, we could offer the sample for free charge but do not pay the cost of freight.
A : Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Contact Person: Li
Tel: +86-18031781668
