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- Q235 Flange
- qualifed butterfly valve
- quarter turn rotation. ? Superior long-lasting shut-off. ? Integrally cast total port defining lips. ? One-piece integrally cast plug and stem. ? Inherent blow-out proof stem. ? Self-cleaning on valve
- Quick Detail： Design Standard: API599 API6D Face to face: ANSI B16.10 API6D Sealant Inject system Flange ends: ANSI B 16.5 BODY: WCB Carbon Steel Plug: A182F6a
- Quick open knife valve
- Quick Open Strainer
- quick repair clamp