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Valves & Fittings
Butterfly Valves
Wafer, grooved and backflow configurations with signal gearbox or lever
Ductile iron, EPDM-encapsulated disc butterfly valves with signal gearbox, handwheel gearbox or lever operation for fire-fighting systems, drain pipes and high-rise building protection.
Performance
300 PSI working · 600 PSI test
Max. Working Pressure
300 PSI
Max. Testing Pressure
600 PSI
Temperature
0–80°C / 32–176°F
Performance Range
300 PSI working · 600 PSI test
Model Range
| Model | Type |
|---|---|
| WD-371X | Wafer end, signal gearbox |
| WD-371G / WD-371L | Wafer end, gearbox / lever |
| GD-381X | Grooved end, signal gearbox |
| GD-381G | Grooved end, gearbox |
| GD-381L | Grooved end, lever (2"–8") |
| HGD-381X-175 / HFGD-381X-175 | Backflow butterfly, grooved / grooved × flanged |
Model numbers, performance data and approvals are reproduced from the manufacturer reference catalog. Availability, country-specific approvals and exact configuration must be confirmed against OEM documentation before quotation. Manufacturer certifications are not certifications issued to AMKRON.
Technical Specifications
Sizes
2", 2½", 3", 4", 5", 6", 8", 10", 12"
Max. Working Pressure
300 PSI
Max. Testing Pressure
600 PSI
Temperature
0–80°C / 32–176°F
Disc
Ductile iron, EPDM encapsulated
Coating
Epoxy coated or coating upon request
Top Flange
ISO 5211
Approvals
UL, CUL, FM, NSF/ANSI 61 & NSF/ANSI 372, VDS, CCC
Key Features
Pressure conforms to UL1091 & ULC / ORD-C1091 & FM 1112
Wafer connection to ANSI 125/150, DIN2501 PN10/16
Grooved to ANSI/AWWA C606 or metric standard
Certified lead-free versions available
Suitable Applications
Indoor & Outdoor Use
Fire Inflow Water
Drain Pipe
High-Rise Fire Fighting
Industrial Factory Protection
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