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Jamesbury 6D15 Digester Capping Valve

Brand: Valmet

The JAMESBURY 6D15 digester capping valves provide automatic opening and closing of batch digesters for chip fill. By automating this operation, complete computer control of a batch digester system is permitted. 

Available in 20" (DN 500) and 24" (DN 600) sizes, valves are normally full port ANSI class 150 design with an ANSI lass 300 flange on the digester end, and with a chip chute flange conforming to customer requirements on the fill end. 

Digester end flanges may also be cast and machined to meet the digester opening requirements. 

6D15 capping valves are furnished as complete operating assemblies that include a pneumatic actuator designed and manufactured specifically for large quarter-turn valve operation. 

An electromechanical interlock positively locks the valve in the closed position until signals indicate the cook is finished and the digester is completely depressurized. 

Enclosed limit switches provide interlock command signals and can remotely indicate valve and interlock positions.

1 - 8 of 8 Part Numbers
20"6D15612236TT2
20"6D15612236TT2
  • Size - 20" (500 mm)
  • Body Material - Carbon Steel
  • Trim Material - 316 Stainless Steel
20"6D156122TT2
20"6D156122TT2
  • Size - 20" (500 mm)
  • Body Material - Carbon Steel
20"6D15613600TT2
20"6D15613600TT2
  • Size - 20" (500 mm)
  • Body Material - 316 Stainless Steel
  • Trim Material - Use Only if Body is 316 Stainless Steel
20"6D15613636TT2
20"6D15613636TT2
  • Size - 20" (500 mm)
  • Body Material - 316 Stainless Steel
  • Trim Material - 316 Stainless Steel
24"6D15612236TT2
24"6D15612236TT2
  • Size - 24" (600 mm)
  • Body Material - Carbon Steel
  • Trim Material - 316 Stainless Steel
24"6D156122TT2
24"6D156122TT2
  • Size - 24" (600 mm)
  • Body Material - Carbon Steel
24"6D15613600TT2
24"6D15613600TT2
  • Size - 24" (600 mm)
  • Body Material - 316 Stainless Steel
  • Trim Material - Use Only if Body is 316 Stainless Steel
24"6D15613636TT2
24"6D15613636TT2
  • Size - 24" (600 mm)
  • Body Material - 316 Stainless Steel
  • Trim Material - 316 Stainless Steel
1 - 8 of 8 Part Numbers

Specifications

Brand

Actuator Type

  • Double-Acting
  • Pneumatic

Approvals & Certifications

  • Hydrostatic Pressure Test

Ball Material

  • 316 Stainless Steel

Bearing Material

  • Stem, Trunnion: PTFE
  • Trunnion: 316 Stainless Steel

Cap Material

  • Body, Trunnion Ring: 316 Stainless Steel - ASTM A351 Typical CF8M
  • Body, Trunnion Ring: Carbon Steel (ASTM A216 Typical WCB)
  • Seat: PTFE

Enclosure, Body Material

  • Trunnion Ring: 316 Stainless Steel - ASTM A351 Typical CF8M
  • Trunnion Ring: Carbon Steel (ASTM A216 Typical WCB)
  • Valve: 317 Stainless Steel
  • Valve: F44 Stainless Steel (254SMO)

Flange Size - 20” (DN 500)

  • 20” (DN 500) - 150# ANSI

Flange Size - 24” (DN 600)

  • 24” (DN 600) - 150# ANSI

Flange Type

  • Raised Face (RF)

Materials of Construction

  • Bearing Spacer: PTFE
  • Body Stud: Stainless Steel (ASTM A193 Grade B8, B8C, or B8T Class 2)
  • Trunnion Plate, Stem Retainer, Key: Carbon Steel (ASTM A216 Typical WCB)
  • Trunnion Plate, Stem Retainer: 316 Stainless Steel - ASTM A351 Typical CF8M

Media

  • Air

Name Plate, Tag Material

  • Stainless Steel

Nut & Bolt Material

  • Nut: Stainless Steel (ASTM A194 Grade 8, 8C, or 8T)
  • Stem Nut: Carbon Steel

Port

  • Full

Pressure Range

  • psi: 170 to 275 (kPa: 1,210 to 1,900, bar: 12.1 to 19) - 316 Stainless Steel
  • psi: 170 to 285 (kPa: 1,210 to 1,960, bar: 12.1 to 19.6) - Carbon Steel

Proof Pressure

  • Test - psi: 425 (kPa: 2,900, bar: 29) on 316 Stainless Steel
  • Test - psi: 450 (kPa: 3,000, bar: 30) on Carbon Steel

Ring Material

  • Compression: Stainless Steel

Screw Material

  • Drive, Hex Head Cap: Stainless Steel (ASTM A193 Grade B8, B8C, or B8T Class 2)

Seat / Seal Material

  • Body Seal, Upper Stem Seal: PTFE
  • Body Seal: 316 Stainless Steel
  • Seat: PTFE
  • Stem Retainer Seal: Graphite

Stem Material

  • 316 Stainless Steel

Temperature Range

  • -29° to 250° C (-20° to 500° F)

Trim Material

  • Valve: 316 Stainless Steel

Valve Size

  • 20” to 24” (500 to 600 mm)

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