Metso Neles Flanged Full Bore MBV Ball Valve, Series M1
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Neles Series M1 Full Bore MBV Ball Valve

Brand: Valmet
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Metso's Neles modular ball valve series M1, offers optimized performance of pulp and paper applications. 

Series M, incorporates Metso's leading pulp and paper application know-how in valve technology. 

Several decade experience of Metso has fine tuned this product to deliver P&P customers easy product selection with industry leading performance. 

Valve series includes seat supported and trunnion mounted ball valve designs covering seat types, size ranges and material options offering comprehensive coverage for most pulp and paper applications needs. 

Valve deliveries excellent tightness for shutoff as well as delivering good control performance for pulp and paper applications.

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Specifications

Brand

Actuator Type

  • Double-Acting
  • Gear Operator
  • Hand Lever
  • Pneumatic
  • Spring Return

Applications

  • Chemical Recovery
  • Deinking & Recycling Plants
  • Digesters & Fiberlines
  • Liquor Service
  • Paper Mill Application
  • Pulp & Paper
  • Sludge Treatment
  • Steam
  • TMP Plants

Approvals & Certifications

  • ATEX
  • ISO 7121, 5752, EN 558-1, 5208
  • Material Certificate EN 10204 - 3.1

Ball Material

  • Hard Chrome-Plated Ball
  • Q-Trim: AISI 316 Stainless Steel - CF8M
  • Q-Trim: Cast Stainless Steel - CG8M

Bearing Material

  • Graphite
  • Thrust, Trunnion: PTFE
  • Thrust: Cobalt-based Alloy
  • Trunnion: Stainless Steel

Bonnet Material

  • 316 Stainless Steel - ASTM A351 CF8M, 1.4408

Cap Material

  • Body: 316 Stainless Steel - ASTM A351 CF8M, 1.4408
  • Body: Cast Stainless Steel

Differential Pressure

  • psi: 232.1 (kPa: 1,600, bar: 16) - Scraping Seat

Enclosure Finish

  • Cobalt-based Coating

Enclosure, Body Material

  • 316 Stainless Steel - ASTM A351 CF8M, 1.4408
  • Cast Stainless Steel (CG8M, CK-3MCuN)
  • Titanium Grade C2

Fill Material

  • PTFE Filled Spiral Wound

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - PN 10
  • 1-1/2” (DN 40) - PN 16
  • 1-1/2” (DN 40) - PN 25
  • 1-1/2” (DN 40) - PN 40

Flange Size - 1” (DN 25)

  • 1” (DN 25) - PN 10
  • 1” (DN 25) - PN 16
  • 1” (DN 25) - PN 25
  • 1” (DN 25) - PN 40

Flange Size - 10” (DN 250)

  • 10” (DN 250) - PN 10
  • 10” (DN 250) - PN 16
  • 10” (DN 250) - PN 25
  • 10” (DN 250) - PN 40

Flange Size - 12” (DN 300)

  • 12” (DN 300) - PN 10
  • 12” (DN 300) - PN 16
  • 12” (DN 300) - PN 25
  • 12” (DN 300) - PN 40

Flange Size - 14” (DN 350)

  • 14” (DN 350) - PN 10
  • 14” (DN 350) - PN 16
  • 14” (DN 350) - PN 25
  • 14” (DN 350) - PN 40

Flange Size - 16” (DN 400)

  • 16” (DN 400) - PN 10
  • 16” (DN 400) - PN 16
  • 16” (DN 400) - PN 25
  • 16” (DN 400) - PN 40

Flange Size - 2-1/2” (DN 65)

  • 2-1/2” (DN 65) - PN 10
  • 2-1/2” (DN 65) - PN 16
  • 2-1/2” (DN 65) - PN 25
  • 2-1/2” (DN 65) - PN 40

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16
  • 2” (DN 50) - PN 25
  • 2” (DN 50) - PN 40

Flange Size - 3” (DN 80)

  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16
  • 3” (DN 80) - PN 25
  • 3” (DN 80) - PN 40

Flange Size - 4” (DN 100)

  • 4” (DN 100) - PN 10
  • 4” (DN 100) - PN 16
  • 4” (DN 100) - PN 25
  • 4” (DN 100) - PN 40

Flange Size - 5” (DN 125)

  • 5” (DN 125) - PN 10
  • 5” (DN 125) - PN 16
  • 5” (DN 125) - PN 25
  • 5” (DN 125) - PN 40

Flange Size - 6” (DN 150)

  • 6” (DN 150) - PN 10
  • 6” (DN 150) - PN 16
  • 6” (DN 150) - PN 25
  • 6” (DN 150) - PN 40

Flange Size - 8” (DN 200)

  • 8” (DN 200) - PN 10
  • 8” (DN 200) - PN 16
  • 8” (DN 200) - PN 25
  • 8” (DN 200) - PN 40

Flow Rate

  • 73 to 7,950 Kv at Kv 90° - M1 with Q-Trim Model
  • 91 to 34,500 Kv at Kv 90° - M1 Model

Gasket Material

  • Body, Bonnet: PTFE
  • Body: AISI 316 Stainless Steel
  • Body: Graphite
  • FPM

Gland Material

  • 316 Stainless Steel - ASTM A351 CF8M, 1.4408

Gland Packing Material

  • Graphite
  • PTFE (V-Ring)

Materials of Construction

  • Bearing Spacer: Cobalt-based Alloy
  • Key: AISI 329 Stainless Steel
  • Spline Driver (DN 50 to 300), Retainer Plate, Cylindrical Pin, Trunnion Plate: 316 Stainless Steel (CF8M, ASTM A 351 Grade CF8M)
  • Stud: Stainless Steel (A2-70)

NPT Connection

  • 1” NPT
  • 1/2” NPT
  • 1/4” NPT
  • 3/4” NPT
  • 3/8” NPT

Nut & Bolt Material

  • Hexagon Nut, Bolting: Stainless Steel (A2-70)

O-Ring Material

  • FFKM
  • FKM
  • FPM
  • Viton GF

Packing Material

  • Graphite
  • PTFE (V-Ring)

Port

  • Full

Proof Pressure

  • Body Test: 1.5 times Nominal Pressure

Ring Material

  • Back Up, Packing: PTFE
  • Thrust (DN 25 to 40), Locking (DN 250 to 300): AISI 316 Stainless Steel

Seat / Seal Material

  • Lip Seal: Polyester
  • Seal: FPM
  • Seal: Graphite
  • Seat (E): Cobalt-based Alloy
  • Seat (E): Stainless Steel
  • Seat, Back Seal, Locked Seal: PTFE
  • Seat: XTREME

Shaft Material

  • Stainless Steel (XM-19)

Spring Material

  • Disc Spring Set: Electroless Nickel-Plated Spring Steel (EN 10083 to 1.8159)
  • Inconel 625 (UNS N06625)
  • Seat: Alloy 625

Stem Material

  • AISI 329 Stainless Steel
  • Alloy Steel (UNS S31254)
  • Titanium Grade 5

Temperature Range

  • -50° to 260° C (-58° to 500° F)

Trim Material

  • 316 Stainless Steel - ASTM A351 CF8M, 1.4408
  • Cast Stainless Steel (CG8M, CK-3MCuN)
  • Titanium Grade C2

  • Pulp & paper
  • Digesters and fiberlines
  • Liquor service
  • Chemical recovery
  • Sludge treatment
  • TMP-plants
  • Deinking and recycling plants
  • Steam
  • Paper mill application

Documentation

Data Sheets

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