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Series 221/222 Butterfly Valve
Brand: KeystoneAn economical bonded resilient seated butterfly valve for bi-directional and end-of-line service.
Ideal for building services and irrigation applications that require shut-off control.
The valve has a moulded in seat and can be used in full vacuum service.
FeaturesSpecifications
Brand
Approvals & Certifications
- American Bureau of Shipping Shipboard, CRN, ABS
End Connection
- Wafer, Lugged
Material
- 304 Stainless Steel, 316 Stainless Steel, Cast Iron, Buna-N, EPDM Rubber
Media
- Hot Water, Air, Inert Gas, Air, Light Oil, Liquid, Vacuum, Water, Water Glycol
Operating Temperature
- Up to 250° F (120° C)
Pressure Class
- ASME
Process Connection Type
- 150 RF
Seat / Seal Type
- Resilient
Shutoff Class
- Zero Leakage
Standards
- ASME B16.34, API 609
Stem
- O-Ring
Valve Size
- NPS 8 / DN 200, NPS 4 / DN 100, NPS 3 / DN 80, NPS 2-1/2 / DN 65, NPS 2 / DN 50, NPS 12 / DN 300, NPS 10 / DN 250, 5”, NPS 6 / DN 150
Valve Size Standard
- NPS
Valve Type
- Butterfly
Documentation
Data Sheets
Product Manuals
- Manual Guides Figure 221 222 Butterfly Valves Keystone E pdf 217 KB
- Manual Guides Figure 221 222 Butterfly Valves Keystone U pdf 217 KB
- Manual Guides Keystone Figure 221 222 Butterfly Valves K pdf 217 KB
- Manual Guides Keystone PED Operating and Safety Instructions pdf 75 KB
- Manual Guides PED Operating and Safety Instructions Key pdf 81 KB