- Mail:signivalve@163.com
Tel: +86-371-55689815
Name:ANSI Bellows Seal Gate Valve - Cast Steel
Category: Bellows Seal Gate Valve
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| General Description: Leakage from the valve packing gland is often a problem for environment protection & sometime it is quite dangerous if such leakage is from a hazardous fluid or gas. KOS bellows sealed valves are designed with a bellows cartridge which welded to the valve bonnet and stem, when the stem up & down movement makes the bellows expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak. | |
Design Standard: | |
Design and Manufacture: API 600, BS 1414 Face to Face Dimension: ASME B16.10 Flange Connection Dimension: ASME B16.5, ASME B16.47/MSS SP-44; BW Connection Dimension: ASME B16.25 Pressure-Temperature Ratings: ASME B16.34 Test and Inspection: API 598 | |
Products Range: | |
Size: NPS 2"~48" (DN50 ~ DN1200) Rating: ANSI 150lb ~ 600lb (PN16 ~ PN100) Body Materials: Carbon Steel, Stainless Steel, Cr-Mo Alloy Steel, Duplex Steel Bellow Materials: SS304, SS316L, SS321, Inconel, Hastelloy C276 Trim: Per API 600 Operation: Handwheel, Gear, Motorized, Pneumatic, etc. | |
Design Feature: | Application: |
Zero stem emission Flexible wedge Flexible graphite stem packing secondary seal Threaded or welded seat ring 5,000+ cycles bellow without failure | Refinery Petrochemical Solar energy power plant Hot oil, steam supply, thermal industry General Industry |
