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Metal Seated butterfly valve DIN standard PN10-DN550
Model: D373H-10c
Origin: Oubei, Wenzhou
Type: Wafer Type
Specification: 550
Valve Body: WCB
Valve Disc: WCB
Valve Stem: 410
Sealing Material: SS304 + graphite
Driving Mode: Worm Gear
Catalogue
Related products
product details
DIN standard PN10-DN550 Metal Seated butterfly valve is a valve produced according to DIN standard. It adopts metal hard seal and has good characteristics of high temperature resistance, high pressure resistance and corrosion resistance
1、 Structure introduction
DIN standard butterfly valve adopts three eccentric structure. The valve seat seal is metal multi-layer hard seal structure, which is usually sandwich between metal and graphite, such as 304 + graphite, 316 + graphite. Such hard seal can also be made into single-layer soft seal PTFE, rptfe, ppl, EPDM, NBR, etc
Three eccentric butterfly valve features:
1. Short structure size, small volume, light weight, easy to operate
2. Using the whole shaft mechanism, the butterfly plate has high strength and large flow area
3. The unique three eccentric design reduces the friction loss of the seal and greatly prolongs the service life
4. Metal hard seal is resistant to high temperature, low temperature and high pressure, and has a wide range of applications
2、Relevant standards of API standard butterfly valve
Design and manufacture: en 593
Structural length: en 558-1
Connecting flange: en 1092-1
Inspection and pressure test: en 12266-1
Any valve produced by our company is pressed in strict accordance with the pressure test standard, and the zero leakage butterfly valve is allowed to leave the factory only after the pressure is qualified.
| Shell strength | Sealing strength of high pressure water | Air seal strength |
| 1.5 | 1.1 | 0.6 |
According to i1261 standard, strict pressure test can achieve zero leakage under the proposed pressure strength.
Accept the sampling inspection and full inspection of the third party quality inspection unit entrusted by the customer and the end customer, but explain to us what needs to be mentioned
3、Detailed connection size
| Nominal pressure | Nominal size | Structural length | Drilling center distance | aperture | Number of flange end holes |
| PN 10 | DN 550 | 178 | 450 | 4-M30 | 20 |
4、Material of main parts
Body: WCB
Butterfly board: WCB
Stem: f6a
Butterfly seal: SS304 + graphite
Bracket: WCB
Worm gear box material: QT450
The default bracket is WCB, and the material of worm gear box is QT450. Our company can also produce WCB, CF8 and other materials according to the customer’s demand. In the picture, only the epoxy resin primer is sprayed, and the topcoat is sprayed by the customer himself!
5、About our company
Tkok Valve is a professional high quality butterfly valves manufacturers, focusing on research and development of butterfly valve series products.
The butterfly valves produced by Tkok Valve, both the valve body and valve disc all use designed casting molds by Tkok Valve company,not use the foundry molds.so no matter the wall thickness of the valve body,flange thickness and face to face dimensions,all can meet the requirement of relevant standard.
TKOK VALVE mainly produce eccentric butterfly valves,high performance butterfly valves,and also have good supply for the centerline butterfly valves and fluorine-lined butterfly valves.