Stainless steel valve are utilized in the chemical, petrochemical, food, paper, and pharmaceutical processing industries all over the world.
Stainless steel valve are designed and manufactured in conformity with API, ANSI, BS and other standards recognized with quality meeting the stringent requirements for such industrial applications.
Stainless steel valve are specialized products through the processes of design, material selection, manufacturing, quality control, and experiences to final product.
VALVE SHELL MATERIALS
Shell materials shall be in accordance with ASTM A351 Grade CF8M & CF8 and the others are optional.
OPTIONAL BONNET FLANGE GASKET MATERIAL
Depending on service conditions, various materials are available optionally for flange gasket and stem packing.
A. Gasket materials B. Packing materials
1. Glass fiber sheet 1. PTFE
2. Spiral wound material (Graphite or PTFE) 2. Graphite
3. PTFE 3. Glass fiber sheet
4. Metal ring
5. Graphite
DESIGN FEATURES OF GLOBE VALVE DISC
Globe valve adopts plug-type disc. The bottom guide-type plug disc shall be applied following the range shown below.
DESIGN FEATURES OF VALVE BONNET BOLTS
It is manufactured by two different ways depending on valve class and size.
DESIGN FEATURES OF VALVE HAND WHEELS
Hand wheels are made in accordance with ASTM A 197 for external dimension 560mm and ASTM A216 WCB for over 560mm. A hammer blow type hand wheel of ASTM A216 WCB is provided for Class 150 (size 8) VALVE and Class 300 and over valve (size 6″)
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