Econotrol - Series: 09

Size: 2" thru 14" for 125/150 lb. Flanging
Operating Temperature: To 450°F (232°C) with standard materials

Design Standard

The PDC “Econotrol” series butterfly valve is available in sizes from 2″ thru 14″ in a combination of materials and optional features suitable for most mid-range differential pressures and service conditions.

Specifications

Size Range:
2" thru 14" for 125/150 lb. Flanging
Temperature:
To 450°F (232°C) with standard materials
Pressure Rating:
Varies with size. See Econotrol Series 09 Brochure
Shutoff Rating:
ANSI Class II
Body Style:
Wafer

Design 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.
  • Flatted, keywayed or hexed ends on shafts are available to facilitate factory or field mounting of all types of actuating equipment. (Flatted shaft shown).
  • Lightweight, solid ring, wafer design for ease of installation. Four holes to insure proper alignment without transfer of pipe stresses to the valve body.
  • Contoured bore improves flow characteristics.

Applications

  • Blower Equipment
  • Compressor Equipment
  • Boiler Equipment
  • Environmental Systems
  • V.A.C
  • Industrial Process Furnaces
  • Oil Gas/Refining
  • Power Generation/Co-Generation
  • Water & Sewage
  • Stationary Engines
  • Chemical Equipment
  • Mining Equipment
  • Gas Recovery Systems

Standard Materials and Seat Construction

Body:Cast Iron
Disc:Cast Iron
Shaft:316 Stainless Steel
Seat:Swing-thru
Bushing:Graphited Bronze (2″-14″)
Packing:Graphited Teflon Braid
Packing Nut:Brass

Optional Materials and Seat Construction

Body:Carbon Steel, 316 Stainless Steel, 304 Stainless Steel
Disc:Carbon Steel, 316 Stainless Steel, 304 Stainless Steel
Shaft:316 Stainless Steel, 304 Stainless Steel, Incoloy, Monel
Seat:No Option
Bushing:316 Stainless Steel, 304 Stainless Steel, Glass Filled Teflon, Metcar, Macor
Packing:Pure Teflon Braid, Teflon V-Ring
Packing Nut:316 Stainless Steel
  1. Valve Body
  2. Valve Disc
  3. Power End Shaft
  4. Idle End Shaft
  5. Inboard Bushing
  6. Braided Packing
  7. Packing Nut
  8. Shaft Retaining Pin
  9. Pipe Plug (sealed)

Chart or Graph

*Torque, Lb-In, Required for PDC Swing Thru Butterfly Valves with Disc in Closed Position for Temperatures up to 450° Fahrenheit

*Below torques only apply to normal clean service conditions.

VALVE SIZEPRESSURE DROP ACROSS DISC IN CLOSED POSITION, PSI
0.5151015202530405060708090100125150
25050525355565859626565717477808895
2.55051535558606365707580859095100113125
3505154576164687178859299106113120138155
451525967768493101118135152169186203220263
55153637588100113125150175200225250275300
652546988107126145164202240278316354
8L545888125163200238
8H124128158195233270308345420495570645720795
VALVE SIZEPRESSURE DROP ACROSS DISC IN CLOSED POSITION, PSI
0.51358101315202530354045506070
1012913717120525629034137546054563071580088597011401310
12132143189235304350419465580695810925104011551270
1413915723130541649060167586010451230

Typical Dimensions: 2″ thru 14″

Dimensions: Inches
Size (inch)ABCDEFHMax. Delta-P (PSI)Approx. Wt. (Lbs)
222-3/45-3/81-1/23-7/84-1/41/21509
2.52-1/235-5/81-1/24-5/84-1/41/215010
333-1/85-7/81-1/25-7/44-1/41/215011
444-1/46-3/81-1/26-3/84-1/41/212512
554-7/86-7/81-1/27-1/24-1/41/210015
665-3/87-3/81-1/28-1/24-1/41/28017
8L86-1/28-3/81-1/210-3/45-1/81/22523
8H86-1/29-5/81-7/810-3/45-1/8   3/49032
1010810-5/81-7/8135-1/8 3/47040
12129-1/211-5/81-7/815-1/45-1/8 3/45050
1413-1/810-1/212-1/81-7/816-1/25-1/8 3/43070

* “G” Length and configuration of the shaft end will vary to accommodate specific actuators. Refer to the accessory section for typical flatted, keywayed, and hexed end configurations available. MAX. ∆P is based on 0° disc position, using standard materials of construction at a maximum temperature of 450° Fahrenheit. Consult factory for MAX. ∆P for elevated temperatures.