Specialists in Valves, Automation and Controls, Process Piping, Steam and Piping Specialties
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As the premier distributor of industrial valves, valve automation services and related piping and steam specialties in our region, we attribute our success to quality products, knowledgeable people, and service second to none. Erdmann has a wide variety of high-quality, high-tech products to meet your requirements. We back these products with knowledgeable, experienced, service-oriented people and we will provide timely and accurate responses to your needs.
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Butterfly Valves

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Wafer & Lug Styles

High Performance Butterfly Valves

  • Patented, axially-pliant, pressure- assisted seat assures tight sealing and extended service life.
  • Positive, bi-directional flow.
  • Double-offset and eccentrically mounted disc extends seat life and reduces downtime.
  • The seat is protected from abrasion, erosion, and corrosion.
  • There are no springs to break, no O-rings to swell, and no hoops to erode.
  • Symmetrical seat replacement is fast and mistake-proof.
  • Low-torque seating for easier actuation.
Series 7000

Resilient Seated Butterfly Valves

  • Available in sizes 2 "to 48".
  • Available in Wafer or Lug style body (2"to 30").
  • Double flange style body for 36"to 48"valves.
  • Wafer body features four alignment holes.
  • 2" to 12" - 200psi.
  • 14" to 48" - 150psi.
  • Ideal for on-off or throttling services.
  • Available with handles (2"to 8"), manual gear operators (2"to 48"), and electric or pneumatic actuators (2"to 48").
  • Designed to comply with MSS SP-67.
  • Compatible with ANSI 125/150 flanges.
  • Bi-directional dead-end capability to 200 psi (2" to 12") and 150 psi (14"to 24") is available.
  • Xomox Series 7500 Butterfly Valves are used in demanding service applications.
  • Xomox Series 7500 Butterfly Valves are reliable, low mainte nance ...
Series 9000

Triple Offset Butterfly Valves

  • Triple offset design eliminates wear associated with sealing sur face contact and maintains sealing integrity and high cycle life.
  • Wide angle seat design eliminates wedging and binding of the seat / disc engagement.
  • Torque seated resilient Metal Seal Ring provides reliable zero leak age bi-directional closure from - 320°Fto1000°F.
  • Bubble-tight closure provides process efficiency with reduced cost of maintenance.
  • Self-centering disc design accommodates thermal extremes without binding.
  • Robust single-piece shaft minimizes shaft deflection and per mits bi-directional sealing.
  • No plastics or elastomers assure an inherently fire-safe system.
Jacket Butterfly Valve

Jacketed Butterfly Valves

Jacketed, steam traced and jacketed-high-performance butterfly valves for rail tank car service.

  • These rapid-draining, bottom- mounted, bottom-operated valves provide safe, reliable, and economical service in rail tank cars.
  • The low-profile design significantly reduces skidding costs.
  • AAR approved (Approval Number E049006).
Tufline Steam Traced Valve

Tufline Steam Traced and Jacketed Butterfly Valves

Tufline steam traced and jacketed butterfly valves provide patented, triple-point prevention of media solidification.

  • Both the shaft and the bearings are fully heated.
  • The steam is channeled from the shaft, around the full perimeter of the disc, and out the bottom shaft.
  • A separate steam path circulates through each side of the body as suring complete and maximum temperature control.
Tufline Fully Lined Butterfly Valve

Tufline Fully Lined Butterfly Valves

  • Lower torque ratings.
  • Continuous disc/shaft lining.
  • Triple O-ring stem sealing components are all isolated from corrosive flow media.
  • Spring washer live loaded stem packing. Slim profile disc.
  • Completely enclosed shaft bot tom. No springs, seals, or washers to corrode or fail.
  • Face-to-face dimensions meet API 609 specifications.
    PFA lining:
  • More flexible and less bulky for more reliable and tighter sealing. Excellent permeation resistance.
  • High Cv values.