- Mail:signivalve@163.com
Tel: +86-371-55689815
Name:DIN-EN 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 & sometimes it is quite dangerous if such leakage is from a hazardous fluid or gas. SIGNI 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: EN 1984, DIN 3352 Face to Face Dimension: EN558-1 (DIN3202-F4, F5, F7, F2....) Flange Connection Dimension: EN1092-1 (DIN2543 - PN16, DIN2544 - PN25, DIN2545 - PN40, DIN2546 - PN64) BW Connection Dimension: EN 12627 Test and Inspection: EN12266, ISO5208 | |
Products Range: | |
Size: DN40 ~ 1200 Rating: PN 16 ~ 110 Body Materials: Carbon Steel (GS-C25/1.0619/GP240GH/WCB), Stainless Steel (1.4308/CF8/1.4408/CF8M/1.4404/CF3M), Alloy Steel (CN7M/Alloy 20#/Inconel/Monel) , Duplex Steel (4A/5A) 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 |
