Lug Butterfly Valves
Lug Butterfly Valve
General Purpose / Dead-End Service Capable
A versatile lug-style butterfly valve designed for standard flow control applications. Supports dead-end service and delivers reliable shutoff in a wide range of industrial and oilfield systems.
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Highlights
- Lug body style with tapped bolt holes; compatible with ASTM 125/150 flange pattern
- Suitable for dead-end service when accompanied by a blind flange
- 200 PSI for 2″-12″; 150 PSI for 14″-48″; sizes 2″ through 48″; bubble-tight shutoff
- Body: ductile iron ASTM A536 (standard); cast iron, stainless steel, WCB carbon steel available
- Disc options: ductile iron (Ni plated), ductile iron (Nylon coated), aluminum bronze, 316 SS, 304 SS, Monel
- Seat options: Buna-N, EPDM, Viton, PTFE, Neoprene, Hypalon
- Stem: 416 or 316 SS; double-D design; ISO 5211 mounting pad; lever or gear operator
Application
- HVAC, oil and gas production, water treatment, chemical, and agricultural on-off and throttling service
- Dead-end service and installations requiring single-flange bolting capability
Extended Neck Lug Butterfly Valve
Extended Neck / Insulated Systems
Built for applications requiring insulation clearance, this valve provides extended stem access without sacrificing performance. Ideal for process and refining environments where piping insulation is required.
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Highlights
- Extended neck lug style clears pipe insulation for process and refinery installations
- Tapped lug holes; compatible with ASTM 125/150 flange pattern; sizes 2″ through 12″; 200 PSI
- Suitable for dead-end service when accompanied by a blind flange
- Two-piece stem allows in-line internal repair without special tools
- Pinless disc design for superior strength; ISO 5211 mounting dimensions
- Disc options: ductile iron (Ni plated), ductile iron (Nylon coated), aluminum bronze, 316 SS
- Seat options: Buna-N, EPDM, Viton, PTFE; PTFE stem bushings reduce operating torque
Application
- Insulated process piping in refineries and chemical plants requiring dead-end service capability
- Oil and gas production systems with thermally insulated lines requiring lug-style installation
Split Body Lug Butterfly Valve
Split Body / Corrosive Service
Designed for corrosive applications, this valve features a split body construction for easier maintenance and extended service life. Delivers dependable shutoff while improving serviceability in harsh environments.
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Highlights
- Split body lug design for dead-end service and easy field seat replacement
- Suitable for dead-end service when accompanied by a blind flange
- PTFE-coated disc and seat components for improved corrosion resistance on aggressive fluids
- Ductile iron body with epoxy coating (standard); carbon steel, stainless steel, cast iron available
- Sizes 2″ through 12″; 200 PSI working pressure; ASTM 125/150 flange compatible
- ISO 5211 mounting pad; lever or gear operator
Application
- Corrosive fluid service requiring PTFE-rated seat construction with dead-end capability
- Chemical, water treatment, and industrial process piping requiring lug-style installation