DURCO® INDUSTRIAL
CONTROL VALVE PRODUCTS

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Durco Butterfly Valves

Big Max BX2001

HIGH PERFORMANCE BUTTERFLY VALVES - BIG MAX BX2001

Overview

The Big Max BX2001 is a high-performance, all-purpose valve designed for precise throttling control or on-off service with lighter weight piping systems and less expensive, energy-efficient actuators.

Figure4-BX2001_butterfly_valves

Standards

  • ASME B16.43
  • ASME B16.5
  • ASME B16.10
  • API 609
  • ISO 5752
  • MSS SP 68
  • API 598
  • MSS SP61
  • ISO 15848-1

Design Range

Size Range:

  • DN 50 to 900
  • NPS 2" - 36"

Pressure Class Range:

  • PN 10 to 40
  • Class 150 & 300

Seating Material: Soft and Metal

Features & Benefits

  • Broad application versatility via numerous design options: wafer and lug bodies; standard PFA, optional UHMWPE,
    fire-sealed, Apex® and TriFlex™ seated versions; and multiple packing options
  • Reduced fugitive emissions through triple-leak protection of primary stem seal plus two optional secondary seals
  • Increased capacity and improved flow control with low-profile, double-offset disc
  • Improved personnel and plant safety per adherence to API 609 criteria for safe, reliable anti-blowout protection
TX3 Triple Offset

TX3 Triple Offset

Overview

The TX3 is a triple offset butterfly control valve with an elliptical sealing surface that is completely in contact at the final position only, and upon opening, all contact points are released immediately from the seat ring.

Flowserve-Durco-TripleOffsetButterflyValves-TX3

Standards

  • ASME (B16.34, B16.10, B16.25)
  • PED
  • DIN
  • CRN
  • ISO
  • NACE
  • EN

Design Range

Size Range: NPS 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24, 30, 36

Pressure Class Range: ASME class 150, 300, 600, 900, 1500

Seating Material: Laminated graphite/metal seat, solid metal seat.

Features & Benefits

  • Provides reliable long-lasting zero leakage (API 598) shutoff
  • Combined with the high-thrust actuator, the TX3 achieves high performance throttling control in a wide range of industry applications
  • The smart positioner makes sure the valve is always in exactly the right position to optimize process parameters and provide operators with the information they need
BTV Lined

BTV Lined

Overview

The BTV Lined Butterfly Valve is a reliable, leak-free service valve designed for a wide range of demanding requirements in corrosive chemical applications and process industries.

Durco BTV Lined Butterfly Valve

Standards

  • ASME Standards
  • API 609
  • ISO 5752/20
  • MSS SP67
  • DIN Standards
  • ISO 15848-1

Design Range

Size Range:

  • DN 50 to 600
  • NPS 2" - 24"

Pressure Class Range: 

  • PN up to 10
  • Up to 150 PSI

Seating Material: PFA, UHMWPE, Sentinel

  • Reduced downtime through the standard lined body and disc that defends against the most corrosive chemicals
  • Lower maintenance costs from the triple-seal design and
    live-loaded shaft seal that never needs adjustment
  • Increased application flexibility provided by a large selection of metal discs for use when greater protection is required
  • Increased abrasion resistance in applications up to 93°C (200°F) with optional UHMWPE disc and body

Durco Plug Valves

T4E

LINED PLUG VALVES - T4E

Overview

Durco T4E valves provide maximum corrosion resistance while eliminating product contamination at a reasonable cost. They are available with pneumatic or electric actuators for on-off or modulating control applications.

Flowserve-Durco-LinedPlugValves-T4E

Standards

  • DIN EN 1092-2
  • ASME B16.5

Design Range

Size Range:

  • NPS 1/2" - 14"
  • DN 15 - DN 150

Pressure Class Range: 

  • PN 10
  • PN 16
  • Class 150
  • Class 300

Seating Material: PFA, PFA-conductive

  • Cost-effective alternative to high-alloy body materials
  • Reliable performance in extreme service conditions such as severe cycling, vacuum applications, and elevated temperatures ensured by T-slots and anchor holes that provide strong attachment of lining to body and plug
  • Efficient, high-flow capacity due to large ports, which reduce friction losses and pressure drop
  • High availability and easy maintenance with in-line adjustment; no disassembly is required to restore seating
G4

NON-LUBRICATED PLUG VALVES - G4

Overview

The G4 is a non-lubricated (sleeved) quarter turn plug valve.

019-P-G4_cut

Standards

  • ASME B16.34
  • ASME B16.10
  • API 607, ISO 15848-1
  • API 598

Design Range

Size Range:

  • NPS 1/2" - 14"
  • DN 15 - DN 150

Pressure Class Range: 

  • PN 10
  • PN 16
  • Class 150
  • Class 300

Seating Material: PFA, PFA-conductive

HF Alkylation Service

NON-LUBRICATED PLUG VALVES - HF ALKYLATION SERVICE

Overview

Non-Lubricated Plug Valves - HF Alkylation Service is a sleeved plug valve.

Flowserve-Durco-PlugValve-HFAlkylationService

Standards

  • ASME B16.34
  • ASME B16.10
  • API 607
  • ISO 15848-1
  • MSS SP-134
  • API 598
  • API 599
  • Phillips/UOP approved

Design Range

Size Range: 1/2" - 18"

Pressure Class Range: class 150-300

Seating Material: PFA, Durlon II, UMPHWE, TFEG, TMHT

Features & Benefits

Specifically designed and refinery proven for use on HF Alkylation with bonnet and flanges painted in HF detection paint

Mach 1

NON-LUBRICATED PLUG VALVES - MACH 1

Overview

The Mach 1 is a non-lubricated (sleeved) quarter turn plug valve capable of in-line service and repair.

019-P-MachBig_Cut_NoLogo

Standards

  • ASME B16.34
  • ASME B16.10
  • API 607, ISO 15848-1
  • API 598
  • API 599

Design Range

Size Range: 1/2" - 8"

Pressure Class Range: class 150-300, Class 600 Derated

Seating Material: PFA

Features & Benefits

  • Replaceable seat
  • Lower operating torques
  • Higher temperature capability
  • In-line maintenance