RESILIENT SEAT LUG TYPE CLASS ANSI 150 AUTOMATED BUTTERFLY VALVES
TEKO Resilient Butterfly Valve is an economic, general purpose, full performance butterfly valve, bubble tight rated at 200 PSI-WOG that meets the stringent demands of the processing industries as well as the needs of the mechanical contractor in HVAC applications.
Designed for ANSI 125/150 lb. class flanges, these valves Comply with MSS-SP-25, MSS-SP-67 and API-609 specifications.
Features
· Cast in-place mounting flange accommodates all types of operators: manual handles and gear operators; pneumatic hydraulic, diaphragm and electric actuators.
· Each valve hydrostatically tested on both sides to 225 PSI.
· Dual stem seal is between disc and seat spherical hubs. Additional seal from seal O-ring.
· Oil impregnated bronze bushings provide maximum stem support while accepting side loading to minimize torque for peak operator performance.
· Two piece blowout proof stem design allows field replacement of seats.
· Streamlined disc design reduces pressure drop and minimizes turbulence.
· Resilient seat design eliminates the need for flange gaskets.
· Long neck design allows ample clearance for insulation.
· All lug bodies are threaded. Drilled holes are optional.
· 2" - 12" full lug style Model 56 suitable for dead end service (up to 200 PSI) without a downstream flange Sizes 14" and larger require a downstream flange.
Disc and Seat Material Data
| Material |
Applications |
| Nickel Plated Ductile Iron |
Suitable for air, kerosene, oils, ketones and potable water. |
| Bronze |
Suitable for air, alcohols, Ethers, Freons, Oils, Oxygen and portable water. Widely used in HVAC market |
| 316 Stainless Steel |
Suitable for Acetic Acids, Air, Automotive oils & Fuels, Beer, Freon, Gasoline, Ketones, Oils, Oxygen, Seam and portable Water |
| Buna-N (NBR) |
Suitable and resistant to most all petroleum products. Also resistant to many chemicals, ethylene glycol, fats, grease, hydrocarbons, hydraulic fluids and oils.
Buna-N not suitable for fluid where chlorinated and nitro hydrocarbons, esters, ketones and Ozone will be found
Temperature range: 0-180 ℉ continuous service/ 0-200℉ Intermittent
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| EPDM |
Suitable for and resistant to animal and vegetable oils, ozone, oxidizing chemicals; Is good for diluted acids, and alkalies, brakes fluid and ketones.
Not Suitable for fluid where mineral oils, solvents and aromatic hydrocarbons are present.
Temperature range: 0-250 ℉ continuous service/ 0-275℉ Intermittent
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Resilient Seat Lug Ansi 150 Automated Butterfly Valves Images
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