18 Years Factory Penstock Gate Valve - Bellow Seal Gate Valve – Nortech
18 Years Factory Penstock Gate Valve - Bellow Seal Gate Valve – Nortech Detail:
Product Detail:
What is Bellow Seal Gate Valve?
Bellow Seal Gate Valve is operated as an obstruction between fluids and the air. At the same time, the valve can prevent fluids leaking to the air and guarantee zero leakage of pipelines.
The bottom of bellows is welded to the valve stem of the bellow seal globe valve to avoid process fluids eroding the valve stem.
Bellow Seal Gate Valve Technical Specifications
NORTECH advantages of Bellow Seal Gate Valve
What is the Static Balancing Valve used for?
1.Metal bellowsseal the moving stem and increase durability of packed stem seal valves
2.Bellow provide a barrier between the stem at its point of entry through the pressure boundary and the process fluid within the valve, to eliminate stem leakage
3.An anti-rotation device is provided in the bonnet to ensure bellow does not get twisted during assembly and disassembly or by vibration
4.Bellow-sealed valves are usually leak tested using a mass spectrometer to detect leakage rates below 1x10E-06 std.cc/sec.
5.Bellow-sealed bonnets are backed up with a standard stem packing set and a leakage monitoring port between the bellows and the packing in order to prevent catastrophic release of hazardous fluid in the event of a bellows leak.
Product Show:
What is the Bellow Seal Gate Valve used for
This kind of Bellow Seal Gate Valve is widely utilized in pipeline with liquid & other fluids.
HVAC/ATC
Chemical/Petrochemical
Food and Beverage Industry
Power and Utilities
Pulp and Paper Industry
Industrial environmental protection


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We normally think and practice corresponding towards the change of circumstance, and grow up. We aim at the achievement of a richer mind and body plus the living for 18 Years Factory Penstock Gate Valve - Bellow Seal Gate Valve – Nortech, The product will supply to all over the world, such as: Tajikistan, Surabaya, Portland, Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we are committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.
The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly




