SERIES S13T THREADED
DOUBLE WINDOW SIGHT FLOW INDICATOR - UP TO 400 PSIG
(Was Model 021, 131, 171)
Standard Features:
- Plain – No indicator for unobstructed view of media flowing in any direction
- 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 2“ NPT (Female)
Standard Ratings:
| Ratings (PSIG) | |||||||
|---|---|---|---|---|---|---|---|
| Standard Configurations | Higher Pressure Configurations | ||||||
| Material | 150°F | 250°F | 150°F | 250°F | 300°F | 350°F | 400°F |
| Carbon Steel | 200 | 135 | 400 | 300 | 240 | 200 | 160 |
| Stainless Steel | 200 | 135 | 400 | 300 | 240 | 200 | 160 |
| Bronze | 200 | 135 | 400 | 300 | 240 | 200 | 160 |
Note: Ratings are limited by standard glass and gasket types. For higher rating,to drawing or condult our Sales Dept.
Standard Materials:
| Standard Materials | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Wetted | Non-Wetted | ||||||||
| Configuration | Body | Seals | Indicator | Indicator Pin & Bridge | Glass | Cover | Cushions | Fasteners | Nameplate |
| Standard | Bronze or Carbon Steel | Neoprene | Delrin® Rotator with 316SS Deflector | 316SS | Tempered Soda Lime | Plated Carbon Steel | Inorganic Fiber | Plated Carbon Steel | Aluminum |
| Delrin® Flappr | |||||||||
| PTFE Drip Tube | |||||||||
| 316SS | Fluorocarbon | Delrin® Rotator with 316SS Deflector | |||||||
| Delrin® Flappr | |||||||||
| PTFE Drip Tube | |||||||||
| Higher Pressure | Bronze or Carbon Steel or 316SS | Ryton® Rotator with 316SS Deflector | Temperd Borosilicate | ||||||
| Ryton® Flapper | |||||||||
| PTFE Drip Tube | |||||||||
Options:
- Up to 500°F Rating
- Buna-N and Ethylene Propylene Gaskets
- Tempered Borosilicate Glass
- Ryton Indicators
- SS Glass Retainers and Fasteners
- Low Flow indication for sizes 1/4″ – 1/2″
- Socket Weld Connections (Carbon Steel and 316SS only)
Application Notes:
- Steam Service: Not acceptable
- Potable Water: The Bronze indicator is not suitable for potable water
- Vacuum Service: Suitable for vacuum service
- Gaseous Service: See drawing for ratings
- Corrosion: Before ordering, verify all materials of our sight flow indicators are compatible with the service media(s), intermittently used cleaners, the environment, and cleaning processes in conjunction with the temperatures and pressures of the application(s) and future applications. John C. Ernst LLC. does not make chemical compatibility recommendations. Compatibility is the responsibility of the user.
Replacement Parts:
- Please contact our sales department
Alternate Equipment:
- Bezel Ring Glass Retainer Style: Series S12
- Flange Plate Glass Retainers Style: Series S14T
- Integral Flange Plate Glass Retainer Style: Series S14TC
- Economical Bronze Indicators: Series S11
- Cylindrical Indicators: Series S18T
Model Number Matrix
