PDC Medium Duty Series 01 - 2" thru 24" for 125/150 lb. Flanging*
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General Description
The PDC "Medium Duty" series butterfly valve is available in sizes from 2" thru 24" in a combination of materials and optional features suitable for most mid-range differential pressures and service conditions.
Features:
- Inboard bushings of graphited bronze for long life, non-freezing, low torque characteristics.
- Close tolerance machining for minimal leakage and dependable flow characteristics.
- Adjustable packing-Graphited TEFLON ® Braid. Valves can be repacked without removal from line.
- Rugged mounting pads drilled and tapped for ease of installing actuating equipment and accessories.
- Rugged mounting pads drilled and tapped for ease of installing actuating equipment and accessories.
- Flatted, keywayed or hexed ends on shafts are available to facilitate factory or field mounting of all types of actuating equipment.
- Lightweight, solid ring, wafer design for ease of installation. Four holes to insure proper alignment without transfer of pipe stresses to the valve body.
Standard Materials and Seat Construction
| 2" - 14" | 16" - 24" | |
| Body: | Cast Iron | Cast Iron |
| Disc: | Cast Iron | Ductile Iron |
| Shaft: | 416 Stainless Steel | 416 Stainless Steel |
| Seat: | Swing-thru | Swing-thru |
| Bushing: | Graphited Bronze | Bronze |
| Packing: | Graphited Teflon Braid | Graphited Teflon Braid |
| Packing Nut: | Brass | Brass |
Optional Materials and Seat Construction
| Body: | High Temperature Iron, Carbon Steel, 316 Stainless Steel, 304 Stainless Steel |
| Disc: | High Temperature Iron, Carbon Steel, 316 Stainless Steel, 304 Stainless Steel |
| Shaft: | 316 Stainless Steel, 304 Stainless Steel, Incoloy, Monel |
| Seat: | Angle (2"- 24"), Metal Step (2"- 24"), Tadpole Step (6"- 24") |
| Bushing: | 316 Stainless Steel, 304 Stainless Steel, Glass Filled Teflon, Metcar |
| Packing: | High Temperature Braid, Pure Teflon Braid, Teflon V-Ring |
| Packing Nut: | 316 Stainless Steel |
Temperature:
To 450°F with standard materials. To 900°F with optional materials. (Consult Factory)
PDC Valve Coating
Consult Factory
*Also Available in RPM Drilling in Most Sizes: Consult Factory