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SER100/SER150 Unidirectional Valve
Brand: North Port ValvesThe North Port Series 100 and 150 unidirectional valves offer tight and reliable sealing for media such as liquids, low density stock, and moderate slurries. The series 100 is a lugged design and the series 150 a flanged design.
Both the Series 100 and 150 are manufactured with stainless steel components and equipped with a fully guided gate to prevent gate distortion in the event of back pressure and the option for either elastomer or metal-to-metal seats.
Features- NPV Unidirectional valve design provides for full guiding of gate throughout the cycle which prevents any gate distortion even in the event of back pressure
- Full guiding of the gate within the valve casting eliminates excessive gate movement, extending the cycle life of the packing gland
- Unidirectional valve with metal to metal seats meets Class 3 shutoff in liquid service in preferred direction
- Unidirectional valve with elastomer seats meets bubble-tight shutoff requirements in liquid service in preferred direction
- All NPV valves are provided standard with stainless steel lockout, both manual and cylinder operated
- NPV Cylinders can be mounted at time of manufacture, or by design easily retrofitted in the field
- Valve is manufactured of Stainless Steel components that prevent damage from corrosion, both internal and external
- Unidirection valves available from 2″ to 48″ diameter, both metal and elastomer seated
Specifications
Brand
Material of Construction
- Gate: 316L Stainless Steel
- Stanchion & Stem: 303 Stainless Steel
- Coupling & Gland: 317 Stainless Steel
- Bridge: Aluminum 356
- York Sleeve: 660 Bronze
- Handwheel: Aluminum
- Handwheel Nut: Navy Brass
- Acorn Nut: Brass
- Bridge/Gland Nylock Nut, Gland Washer, Gland Stud, Alignment Stud, Nylock Nut: 18.8 Stainless Steel
Enclosure/Body Material
- Body: 317 Stainless Steel (CG8M)
- Low density stock
- Moderate slurries
- Water applications with elastomer seal