Air operated butterfly valves
Threaded end butterfly valves
The Sprial and Weld butterfly valves
Quick-install butterfly valves
Pneumatic welded butterfly valve
Butt welds butterfly valves
Connection: Thread - thread
Material quality: 304 or 316L
Specification: 1-6 "DN15-125
Standard: ISO, DIN, SMS
Uses in: Drugs manufacture drink dairy product project
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