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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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Xomox Valves


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Sleeved Plug Valves

Sleeved Plug Valves


Only Tufline®Sleeved Plug Valves offer all these unique features:
  • Improved performance and greater reliability in traditional ball and gate valve applications.
  • A large, circumferential sealing surface.
  • No cavities where flow media can accumulate, contaminate, or mix.
  • High reliability, even after being left open or closed for extended periods of time.
  • Bi-directional flow.
  • Quarter-turn operation.
  • Positive, in-line adjustment of both primary and secondary seals. 360° lips surround the ports, protect the sleeve, and provide self-cleaning action as the plug rotates.
  • Flanged, screwed, socket-weld, and butt-weld ends. Other connections available upon request.
  • Simple actuation, compact ...
1-Piece Process Ball Valves

Process Ball Valves


Xomox's, patented, live-loaded S2 sealing system provides superior stem sealing in the most demanding applications. The spherical design of the S2 seal and stem assures continuous contact, even during stem side loading.

Dual body gaskets are standard, a PTFE chemically inert seal and a secondary FT graphite seal.

Xomox's patent No. 6,837,482 diamond shaped, thermally assisted PTFE body seal, will seal at all tem peratures in its design range, even during thermal cycling. This unique design takes advantage of the differ ences in the rates of thermal expan sion between the PTFE and metal to enhance the seal.
  • Sizes 1/2" through 8"
  • ANSI Class pressure ratings of 150, 300, and 600
  • Xomox Ball Valves ...
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.
Saunders Industrial Diapragm Valves

Saunders Industrial Diaphragm Valves


  • Weir straight-through and high-flow available.
  • Size range: 1/4"to 14".
  • Pressure range: Vacuum to 230 psi.
  • Body materials: Cast iron, ductile iron, bronze, cast steel, stainless steel, alloy 20, PVC, and CPVC.
  • Lining: Soft rubber, hard rubber, Neoprene, Butyl®, Hypalon®, Polypropylene®, Tefzel®, PVDF, PFA, glass and halar.
Tufline Jacketed Valve

Jacketed Valves


Tufline jacketed valves provide innovative solutions for handling condensible, solidifying, or highly- viscous commodities such as sulfur, polymers, resins, pitch, and other temperature sensitive fluids.
Standard Port Lined Ball Valve

Fully Lined Valves & Accessories


Xomox XRP Actuator

XRP™ Actuators


The unique features of Xomox XRP Pneumatic Rack & Pinion Actuators include:
  • A balanced pinion which does not require an external retaining clip to prevent the pinion from blowing out.
  • Individual single point adjustment for both the CW and CCW directions.
  • 98 degrees of total travel on the most popular sizes.
  • Vertically aligned air passages allow increased air flow minimizing cycle time.