(Was EFI Model E-57)
Standard Features:
- Plain – No indicator for unobstructed view of media flowing in any direction
- Ball Action – Ball indicator retained in a mesh cage, agitates to indicate flow
- Rotator – Paddlewheel indicator used for clear media to enhance flow indication in any direction
- Flapper – Mid Flapper to indicate horizontal flows in both directions for fast-moving liquids
- Drip Tube – For vertical downward flows at low flowrates
Connections Sizes:
- 1/4“ to 3“ NPT (Female)
- 2-1/2″ & 3″ Sizes are only available in Bronze.
Standard Ratings:
- 200 PSIG Maximum
- 250°F Standard gaskets, with options up to 500°F
Standard Wetted Materials:
- Body:
- Bronze
- Carbon Steel
- 316 Stainless Steel
- Gasket: Neoprene
- Indicator:
- Flapper or Rotator – Rynite®
- Ball – Neoprene (other materials avialable)
- Drip tube – 316 Stainless Steel
- Flapper/Rotator Pin – 316 Stainless Steel
Standard Non-Wetted Materials:
- Cushion: Non-organic Fiber
- Retainer:
- Bronze Bodies – Brass
- Carbon or Stainless Steel Bodies – Zinc-Plated Brass
Dimensions
| Body Material | Connections Size | A | B | C |
|---|---|---|---|---|
Bronze | 1/4", 3/8", 1/2" | 4-3/4" | 1-3/4" | 4" |
| 3/4", 1" | 4-5/8" | 1-3/4" | 4" | |
| 1-1/4", 1-1/2" | 5-1/4" | 1-3/4" | 4" | |
| 2" | 5-1/2" | 1-3/4" | 4" | |
| 2-1/2" | 6-3/4" | 2-3/4" | 5-1/4" | |
| 3" | 7-3/8" | 2-3/4" | 7-3/8" | |
Carbon Steel | 1/4", 3/8", 1/2", 3/4", 1" | 4-5/8" | 1-3/4" | 4" |
| 1-1/4", 1-1/2", 2" | 5-7/16" | 1-3/4" | 8" |
Application Notes:
- Steam Service: Not acceptable
- Potable Water: The Bronze indicator is not suitable for potable water
- Vacuum Service: Not recommended
- Gaseous Service: Not acceptable
- Compatibility: Before ordering, verify that all the materials of construction, pressures, temperatures, and any other specifications are compatible with the design, media(s), cleaning solutions, and the environment of the application and future applications. Ernst Instruments does not make compatibility recommendations. Compatibility determinations, corrosion or otherwise, are the responsibility of the user and/or specifying party.
WARNING: This product can expose you to certain chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov
Replacement Parts:
- Please contact our Sales Dept. sales@ernstinstruments.com or 888-943-5000
Model Number Matrix
