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Durco Butterfly Valve, RX

RX Butterfly Valve

Brand: Flowserve Durco
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Features
  • Available in a wide variety of seats including Nitrile, EPDM, EPT, Neoprene, Silicone, Hypalon, Viton, Halar-lined
  • Range of discs includes Nylon-coated ductile iron, Stainless steel, aluminum-bronze and super duplex stainless steel
  • The close tolerance square stem reduces hysteresis
  • Bi-directional bubble- tight shut-off
  • High strength through-stem design allows easy disassembly by merely pulling the stem out of the disc without special tools
  • Our design requires no disc screws or taper pins, which commonly result in leak paths, corrosion, and vibration failures
  • Stem seal features double O-rings

1 - 1 of 1 Part Numbers
RX BUTTERFLY VALVE
RX BUTTERFLY VALVE
  • Valve Size - 1.5" (40 mm)
  • Type - RX Centric butterfly Valve
  • End Connection - Lug
  • Flange Drilling - ASME Class 125/150
  • Body Material - Cast Iron
  • Disc Material - Ductile Iron-Nylon-Coated
  • Shaft Material - 410 Stainless Steel
  • Seat Material - NBR (Nitrile/Buna-N)
  • Operator - Standard Wrenceh
1 - 1 of 1 Part Numbers

Specifications

Brand

Approvals & Certifications

  • CE

Bushing Material

  • Bronze (JIS BC6, ASTM B62)
  • Delrin
  • RTEF + Stainless Steel

Disc Material

  • 304 Stainless Steel - ASTM A351 CF8, JIS SCS 13A
  • 316 Stainless Steel (JIS SCS 14A, ASTM A351 Grade CF8M)
  • Aluminum Bronze (ASTM B148 C95400)
  • Ductile Iron (JIS FCD 400, ASTM A395)
  • Nylon Coated Ductile Iron

Enclosure, Body Material

  • 304 Stainless Steel - ASTM A351 CF8, JIS SCS 13A
  • 316 Stainless Steel (JIS SCS 14 A, ASTM A351 Grade CF8M)
  • Cast Iron (JIS FC 200, ASTM A 126 CIass. B)
  • Ductile Iron (JIS FCD 400, ASTM A395)

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 125# ASME /ANSI
  • 1-1/2” (DN 40) - 150# ASME /ANSI
  • 1-1/2” (DN 40) - JIS 10K
  • 1-1/2” (DN 40) - PN 10
  • 1-1/2” (DN 40) - PN 16

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 125# ASME /ANSI
  • 10” (DN 250) - 150# ASME /ANSI
  • 10” (DN 250) - JIS 10K
  • 10” (DN 250) - PN 10
  • 10” (DN 250) - PN 16

Flange Size - 12” (DN 300)

  • 12” (DN 300) - 125# ASME /ANSI
  • 12” (DN 300) - 150# ASME /ANSI
  • 12” (DN 300) - JIS 10K
  • 12” (DN 300) - PN 10
  • 12” (DN 300) - PN 16

Flange Size - 14” (DN 350)

  • 14” (DN 350) - 125# ASME /ANSI
  • 14” (DN 350) - 150# ASME /ANSI
  • 14” (DN 350) - JIS 10K
  • 14” (DN 350) - PN 10
  • 14” (DN 350) - PN 16

Flange Size - 16” (DN 400)

  • 16” (DN 400) - 125# ANSI/ASME
  • 16” (DN 400) - 150# ASME /ANSI
  • 16” (DN 400) - JIS 10K
  • 16” (DN 400) - PN 10
  • 16” (DN 400) - PN 16

Flange Size - 18” (DN 450)

  • 18” (DN 450) - 125# ASME /ANSI
  • 18” (DN 450) - 150# ASME /ANSI
  • 18” (DN 450) - JIS 10K
  • 18” (DN 450) - PN 10
  • 18” (DN 450) - PN 16

Flange Size - 2-1/2” (DN 65)

  • 2-1/2” (DN 65) - 125# ASME /ANSI
  • 2-1/2” (DN 65) - 150# ASME /ANSI
  • 2-1/2” (DN 65) - JIS 10K
  • 2-1/2” (DN 65) - PN 10
  • 2-1/2” (DN 65) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 125# ANSI/ASME
  • 2” (DN 50) - 150# ASME /ANSI
  • 2” (DN 50) - JIS 10K
  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16

Flange Size - 20” (DN 500)

  • 20” (DN 500) - 125# ANSI/ASME
  • 20” (DN 500) - 150# ASME /ANSI
  • 20” (DN 500) - JIS 10K
  • 20” (DN 500) - PN 10
  • 20” (DN 500) - PN 16

Flange Size - 22” (DN 550)

  • 22” (DN 550) - 125# ASME /ANSI
  • 22” (DN 550) - 150# ASME /ANSI
  • 22” (DN 550) - JIS 10K
  • 22” (DN 550) - PN 10
  • 22” (DN 550) - PN 16

Flange Size - 24” (DN 600)

  • 24” (DN 600) - 125# ASME /ANSI
  • 24” (DN 600) - 150# ASME /ANSI
  • 24” (DN 600) - JIS 10K
  • 24” (DN 600) - PN 10
  • 24” (DN 600) - PN 16

Flange Size - 26” (DN 650)

  • 26” (DN 650) - 125# ASME /ANSI
  • 26” (DN 650) - 150# ASME /ANSI
  • 26” (DN 650) - JIS 10K
  • 26” (DN 650) - PN 10
  • 26” (DN 650) - PN 16

Flange Size - 28” (DN 700)

  • 28” (DN 700) - 125# ASME /ANSI
  • 28” (DN 700) - 150# ASME /ANSI
  • 28” (DN 700) - JIS 10K
  • 28” (DN 700) - PN 10
  • 28” (DN 700) - PN 16

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 125# ASME /ANSI
  • 3” (DN 80) - 150# ASME /ANSI
  • 3” (DN 80) - JIS 10K
  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16

Flange Size - 30” (DN 750)

  • 30” (DN 750) - 125# ASME /ANSI
  • 30” (DN 750) - 150# ASME /ANSI
  • 30” (DN 750) - JIS 10K
  • 30” (DN 750) - PN 10
  • 30” (DN 750) - PN 16

Flange Size - 32” (DN 800)

  • 32” (DN 800) - 125# ASME /ANSI
  • 32” (DN 800) - 150# ASME /ANSI
  • 32” (DN 800) - JIS 10K
  • 32” (DN 800) - PN 10
  • 32” (DN 800) - PN 16

Flange Size - 36” (DN 900)

  • 36” (DN 900) - 125# ASME /ANSI
  • 36” (DN 900) - 150# ASME /ANSI
  • 36” (DN 900) - JIS 10K
  • 36” (DN 900) - PN 10
  • 36” (DN 900) - PN 16

Flange Size - 38” (DN 950)

  • 38” (DN 950) - 125# ASME /ANSI
  • 38” (DN 950) - 150# ASME /ANSI
  • 38” (DN 950) - JIS 10K
  • 38” (DN 950) - PN 10
  • 38” (DN 950) - PN 16

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 125# ASME /ANSI
  • 4” (DN 100) - 150# ASME /ANSI
  • 4” (DN 100) - JIS 10K
  • 4” (DN 100) - PN 10
  • 4” (DN 100) - PN 16

Flange Size - 40” (DN 1000)

  • 40” (DN 1000) - 125# ASME /ANSI
  • 40” (DN 1000) - 150# ASME /ANSI
  • 40” (DN 1000) - JIS 10K
  • 40” (DN 1000) - PN 10
  • 40” (DN 1000) - PN 16

Flange Size - 42” (DN 1050)

  • 42” (DN 1050) - 125# ASME /ANSI
  • 42” (DN 1050) - 150# ASME /ANSI
  • 42” (DN 1050) - JIS 10K
  • 42” (DN 1050) - PN 10
  • 42” (DN 1050) - PN 16

Flange Size - 44” (DN 1100)

  • 44” (DN 1100) - 125# ASME /ANSI
  • 44” (DN 1100) - 150# ANSI/ASME
  • 44” (DN 1100) - JIS 10K
  • 44” (DN 1100) - PN 10
  • 44” (DN 1100) - PN 16

Flange Size - 48” (DN 1200)

  • 48” (DN 1200) - 125# ASME /ANSI
  • 48” (DN 1200) - 150# ASME /ANSI
  • 48” (DN 1200) - JIS 10K
  • 48” (DN 1200) - PN 10
  • 48” (DN 1200) - PN 16

Flange Size - 5” (DN 125)

  • 5” (DN 125) - 125# ANSI/ASME
  • 5” (DN 125) - 150# ASME /ANSI
  • 5” (DN 125) - JIS 10K
  • 5” (DN 125) - PN 10
  • 5” (DN 125) - PN 16

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 125# ASME /ANSI
  • 6” (DN 150) - 150# ASME /ANSI
  • 6” (DN 150) - JIS 10K
  • 6” (DN 150) - PN 10
  • 6” (DN 150) - PN 16

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 125# ASME /ANSI
  • 8” (DN 200) - 150# ASME /ANSI
  • 8” (DN 200) - JIS 10K
  • 8” (DN 200) - PN 10
  • 8” (DN 200) - PN 16

Materials of Construction

  • Key: Steel

Nut & Bolt Material

  • Bolt: Steel

O-Ring Material

  • NBR

Operation

  • Gear Operator
  • Lever Operated

Plug Material

  • Stainless Steel

Pressure Rating

  • psi: 150 (kPa: 1,034, bar: 10.34)
  • psi: 230 (kPa: 1,586, bar: 15.86)

Process Connection Style

  • Double Flanged
  • Lug
  • Wafer

Ring Material

  • Thrust: 304 Stainless Steel (ASTM A240 Grade 304)

Screw Material

  • 304 Stainless Steel - ASTM A193 Grade B8

Seat / Seal Material

  • Seat: EPDM
  • Seat: EPT
  • Seat: Hypalon (CSM)
  • Seat: NBR (Nitrile/Buna-N)
  • Seat: Neoprene (CR)
  • Seat: Silicone
  • Seat: Viton

Size

  • 1.5” to 40” (40 to 1,000 mm)

Spring Material

  • 304 Stainless Steel

Stem Material

  • 316 Stainless Steel - ASTM A182, F316
  • 410 Stainless Steel (ASTM A182 Grade F6A)
  • Stem Retainer: 304 Stainless Steel (ASTM A182 Grade F304, ASTM A240 Grade F304)

Temperature Range

  • -20° to 204° C (-4° to 400° F) for Seat Material

Documentation

Data Sheets

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