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High Performance Butterfly Valves
Brand: FlowsealFlowseal is a leading provider of soft seat, and fire-safe high performance butterfly valves.
Our products are manufactured under an ISO 9001 Quality Assurance Program that assures each valve we produce meets or exceeds your application requirements.
Additionally, our Design and Manufacturing facility is certified to the Pressure Equipment Directive - PED, and Flowseal valves can be ordered as CE marked.
Flowseal high performance butterfly valves are a standard in many industries including heating, ventilating and air conditioning, power generation, hydrocarbon processing, water and waste water treatment, and marine and commercial shipbuilding.
Our products are also installed in applications as diverse as food and beverage processing, snowmaking and pulp and paper production.
Configurations are available for harsh conditions as well as applications requiring nominal pressure and temperature ratings.
As part of Crane Valve Group, Flowseal high performance butterfly valves are backed by the resources and experience of one of the world’s largest valve producers with a delivery and quality track record that is unparalleled in the industries we serve.
Features- High Performance Shutoff and Modulating Service for Standard Industrial Process Lines
- Materials of Construction Options Include Carbon and Stainless Steels
- Sizes Up to 48”, Both Wafer and Lugged Body Styles Available, Classes 150 - 600
Specifications
Brand
Size
- 2" to 48"
Body Class
- 150 PSI Max. Diff. Pressure
- ASME 150
- ASME 300
- ASME 600
Body Type
- Wafer
- Lugged
- Lugged DDES
Shaft Design
- Straight: ASME 150 2" - 12", ASME 150 36" - 48", ASME 300 2" - 12" & 30", ASME 600 2" - 8"
- Balanced: ASME Class 150 14" - 30", De-rated 150** 36" - 48", ASME 300 14" - 24", ASME 600 10" - 16"
Body Material
- Carbon Steel
- 316 SS
- Alum Bronze
- Aluminum Bronze B148 ASTM C958
Disc Material
- 316 SS
- Monel ®
- Alum Bronze B148 ASTM C958
- 316 SS/ENP
- Monel ® /ENP
Shaft Material
- 17-4PH DHT SS
- 316 SS
- Monel®
Seat Material / O-Ring
- TFE / Viton ®
- RTFE / Silicone
- RTFE / Viton®
- Polyethylene (UHMWPE) / Viton ®
- Fire-Flow (TFE & Inconel® ) / Viton®
- Fire-Flow (RTFE & Inconel® )/ Viton®
- Fire-Flow (RTFE & Inconel® ) / Silicone
Packing Material
- TFE
- Graphite
- Fire-Flow
- Live-Load Packing/TFE
- Live-Load Packing/Graphite
- Live-Load Packing/Fire-Flow
- EF Seal (Viton ® O-Rings)/TFE D (Low Emissions)
Bearing Material
- Glass Backed TFE
- 316 SS Backed TFE
- Fire-Flow (Garfil & 316 SS)
- Stainless Steel Nitrided
- Bronze
- Monel®
Actuator Type
- Bare Shaft
- Handwheel
- Ratchet Handle
- Throttle
- Worm Gear
- Worm Gear (4-way keyed)
- Pneumatic Double Acting
- Pneumatic SR Fail Close
- Pneumatic SR Fail Open
- Hydraulic
- Electric
- Worm Gear with 2" Square Nut & Handwheel
Special Feature
- None
- Oxygen Service
- Chlorine Service
- CE Marked Non-Impact Tested
- CE Marked Impact Tested
- CE Marked NON-Impact Tested with Vacuum Service
- CE Marked Impact Tested with Vacuum Service
- Silicone Free
- Epoxy Coated Body
- Chainwheel
- Stem Extension
- Lockable Gear
- NACE Construction
- NACE Construction with CE Marked NON-Impact Tested
- NACE Construction with CE Marked Impact Tested
- Buried Service
- Drill Through Lugs
- Drill Through Lugs and NACE Construction
- Vacuum Service
Series
- Factory Assigned
- Factory Assigned (This pertains to 3", 4", 6", 8", 10", & 12" Class 150 Soft Seat Valves)
- Hydrocarbon Processing
- Chemical/Petrochemical Processing
- Marine and Commercial Shipbuilding
- Power and Utilities
- Pulp and Paper
