Stainless Steel Butterfly Valve
Description of Stainless Steel Butterfly Valve:
ZECO stainless steel butterfly valve is a kind of butterfly valve with high performance and long service life. It is mainly composed of driving device and stainless steel parts. The valve body, butterfly disc and inner parts are made of stainless steel. Although stainless steel butterfly valve is produced with high quality materials, if the installation is not proper, no matter how good the material is, it will cause problems or have worse effect than the product of ordinary material with good maintenance. So valve installation is the key factor to affect valves’life-extension. Mal installation will reduce the valve performance. So following instructions shall be confirmed before installation.(a)Carefully unpacking the cases, read the material, specification, tags and so on to make sure the valve is qualified to install; (b) Do pay attention to the warnings on a valve tag, and following instructions; (c)Check the flow direction mark, if the valve is marked with flow direction, valve must be installed as per this direction; (d)Check to find if the valve tunnel is clean, safe and without any corrosive substances. Get rid of packing and stuffing which blocks movement of a valve; (e)Check if piping to connect valve are clean. If not, clean before installation.ZECO is one of the leading ss butterfly valves suppliersin China.
Features of Stainless Steel Butterfly Valve:
- SSbutterfly valvecombines the three offsets of the seating surface with the flexibility of graphite lamination to achieve a tight and uniform seal with a low required torque;
Material of Stainless Steel Butterfly Valve:
|
No |
Part |
Material |
|
1 |
Body |
ASTM A351 CF8 |
|
2 |
Seal Ring |
Graphite + SS304 |
|
3 |
Retainer Flange |
ASTM A182 F304 |
|
4 |
Pin |
ASTM A276 304 |
|
5 |
Disc |
ASTM A351 CF8 |
|
6 |
Stem |
ASTM A276 304 |
|
7 |
Stem Packing |
Graphite |
|
8 |
Stem Beating |
SS304 + PTFE |
|
9 |
Bolt |
ASTM A193 B8 |
|
10 |
Nut |
ASTM A194 8 |
|
11 |
Yoke |
ASTM A216 WCB |
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