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http://www.valvehome.com/bellow-valve/13690945.htmlProduct Description

1)Product Description

SUNGO bellows sealed valves are available in two bonnet designs.The first design is the Bolted Bonnet , with male-female joint, spiral wound gasket, made in F304L/graphite,ring joint gasket are also available on request.The second design is the welded bonnet,with a threaded and seal welded joint. On request a full penetration strength welded joint is available.


2)Design Features:

1. Two piece self-aligning packing gland

2. Integral extended body with threaded,socket weld or butt weld connection

3. Integral backseat

4. Socket weld ends to ASME B16.11

5. Screwed ends(NPT) to ANSI/ASME B1.20.1

6. Outside screw and Yoke(OS&Y)

7. Grease nipple for stem