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Member Since 16 Years
Nature of Business Retailer Year of Establishment 2000Ask for more detail from the seller
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Bellow Seal Valves | Piston Valves | |
Primary stem seal | Metallic Bellow | Piston ring |
Secondary stem seal | Gland Packing | None |
Stem Leakage | Not Possible since Metallic Bellows are designed to last several thousand cycles | Occurs as soon as the rings (which are made of gasket material)wear out. |
Packing Replacement | Not applicable | Rings need to be changed frequently |
Replacement Cost | Not applicable | Very high |
Media Loss | Zero Loss. As the isolation is by metallic bellows,leakage (in ppm) is not possible. | Large in case of leaks |
Equipment Downtime | Nil | Very high for replacing rings |
Maintenance Cost | Nil | High as rings need to be changed at least once in six months |
Valve Life | High- in years | Low |
Safety | Can be used safely for almost any media | Can be used for limited media like steam, hot water |
Cost | Comparatively higher initially but lowest total cost of ownership | High compared to the benefits viz a viz problems |
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Ambattur, Chennai, Tamil Nadu 
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