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ProCap Capping Valve
Brand: Flowserve NAF ABNAF-ProCap, Capping valve for automated filling of wood chips to the batch digester in pulp industries.
The design provides a reliable and tight shutoff valve with long life time, supplied as standard in stainless steel for pressure ratings PN 16-25 and ANSI Class 150 and in sizes DN 500 and 600, 20” and 24”
Features- A unique design using the eccentric hubs to load the seat and provide a tight shutoff
- An inlet neck that is drilled and tapped to accept direct mounting of the chip chute
- A lower flange in standard dimension or customized to meet existing digester flange
- A stainless steel ball segment with welded overlay of Alloy 21 in the seat area
- Has sealed stems with O-rings in PFM that prevent build up and results in an increased life time
- NAF-Turnex high performance pneumatic actuators used for operation and eccentric hub
- Locking device, cylinders in stainless steel with spring to lock the valve for safe operation
Specifications
Brand
Approvals & Certifications
- Test Pressure Open Valve - API 598
Approvals & Certifications
- CE-Marked According to PED 97/23/EG, Module H, Category III
Ball Material
- Sector: 316 Stainless Steel - ASTM A351 CF8M, 1.4408
- Sector: Alloy 21 - Stellite
Bearing Material
- Stem: Metaloplast
Cover Material
- 316 Stainless Steel (1.4436)
Enclosure, Body Material
- 316 Stainless Steel - ASTM A351 CF8M, 1.4408
Flange Size - 20” (DN 500)
- 20” (DN 500) - 150# ANSI
- 20” (DN 500) - PN 16
Flange Size - 24” (DN 600)
- 24” (DN 600) - 150# ANSI
- 24” (DN 600) - PN 16
Flange Size - 28” (DN 700)
- 28” (DN 700) - 150# ANSI
- 28” (DN 700) - PN 16
Flange Size - 32” (DN 800)
- 32” (DN 800) - 150# ANSI
- 32” (DN 800) - PN 16
Gasket Material
- Graphite
Materials of Construction
- Box: ABS Plastic
- Cylinder, Thread Insert, Key: Stainless Steel
- Distance Block, Lid, Actuator Plate, Jammer Plate: 316 Stainless Steel (1.4436)
- Eccentric Hub Bearing, Washer: Metaloplast
- Limit Switch, Terminal Block: Plastic (PBA), Plastic (Gemin)
- Lock Segment, Pin, Pin Washer, Cylinder Pin, Piston, Lock Segment, Hub: 329 Stainless Steel (1.4460)
- Plate, Washer, Mounting Plate, Holder Plate, Rod Bulb: 304 Stainless Steel, 1.4301
- Silencer: Brass
Media
- Test: Gas
O-Ring Material
- PFM
Ring Material
- Seal: PTFE
- Seat/Clamp: 316 Stainless Steel - ASTM A351 CF8M, 1.4408
- Seat: Alloy 21 (Stellite)