- Mail:signivalve@163.com
Tel: +86-371-55689815
Name:Bellows Seal Globe Valve - Forged Steel
Category: Bellows Seal Globe Valve
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| General Description: Leakage from the valve gland is often a problem for environment protection & sometime it is quite dangerous if such leakage is from a hazardous fluid or gas. SIGNI bellow sealed valves are designed with a bellow cartridge which welded to the valve bonnet and stem, when the stem up & down movement makes the bellow expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak. | |
Design Standard: | |
Design and Manufacture: API 602, BS 5352, EN13709 Face to Face Dimension: ASME B16.10, EN558-1, (Note: Threaded Ends and Socket Welded ends as per manufacture's standard) Flange Connection Dimension: ASME B16.5 BW Connection Dimension: ASME B16.25 NPT Ends Dimension: ASME B1.20.1 Socket Welded Ends Dimension: ASME B16.11 Test & Inspection: API 598, EN12266 | |
Products Range: | |
Size: NPS 1/2" ~ 2" (DN15 ~ DN50) Rating: ANSI 150lb ~ 900lb (PN 16 ~ PN150) Bellow materials: SS304, SS316L, SS321, Inconel, Hastelloy C276 | |
Design Feature: | Application: |
Zero stem emission Flexible graphite stem packing secondary seal Welded seat ring or integral body seating surface8,000 cycles bellow without failure Non-rising stem | Refinery Hot oil, steam supply, thermal industry |
