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| Features: | Bi-direcitonal Seal | Pressure Rating: | Class 150-900Lb |
|---|---|---|---|
| Firesafe: | Available | Body Material: | WCB, Stainless Steel |
| Size: | 2"~60" | Design: | API 609 |
High Cycle Long Lifetime Worm Gear High Performance Butterfly Valve With Zero Leakage
Product Overview
TEKO two offset high performance butterfly valve are designed in accordance with API609 with advantages of bi-directional, light weight, cost-effective and low operation torque. Wide working temperature range covers -196℃~816 ℃, ideal for most various industry flow control system
Features and Benefits
* Double offset design to provide superior sealing with minimal seat contact and wear
* Machined, tapered seat multiple sealing edges.
* Single piece shaft and disc designed for maximum strength and Cv.
* Internally cast disc position stop to prevent disc over travel while maintaining optimum disc/seat contact.
* Stem is centered in the adjustable stem packing by oversized bearings eliminating stem leakage and fugitive emissions.
* Disc spacers to center disc in seat to eliminate seat distortion.
* Blow out proof stem to prevent injury and product loss.
* Combination mechanical and pressure energized seal design for repeatable and reliable sealing performance and extended cycle life.
* Seat retaining ring designed for dead end service (lug style) and provides easy removal for seat replacement.
* Stem/disc connection allows minimal loss motion and high strength.
Seat Material and ratings
| PTFE | Class VI, Bubble Tight |
| RTFE | Class VI, Bubble Tight |
| SS 316 | Class V |
| INCONEL | Class V |
| PTFE+SS 316 |
Class VI, Bubble Tight Class V w/Preferred Flow After Fire |
| RTFE+SS 316 |
Class VI, Bubble Tight Class V w/Preferred Flow After Fire |
Metal Seated Design
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