TEKO Industry Co., Limited
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Two Pieces Body Replaceable Seat Lined Semi-Lined Butterfly Valve
Description
TEKO Lined wafer butterfly valve is two pieces body designed for a wide variety of liners such as PTFE, EPDM, NBR, FPM, PU to fit a wide range of applications.
PTFE is the preferred material for corrosive applications in chemical industry.
PU is the preferred material for abrasive applications.
EPDM is the preferred rubber for water industries.
NBR is the preferred rubber for oil transportation.
FPM is the preferred rubber for wide range of medium composition and temperature.
Industries and applications
Water / Sewage
Engineering
Food industry
Chemical and petrochemical industry
Colouring, Varnish, Dyeing factories
Technical Data
| Body style | wafer, Lug |
| Nominal diameter | 2″ – 24″ (DN50mm – DN600mm) |
| Top flange | ISO5211 |
| Operating pressure | 16bar for DN50-DN200, 10bar for DN250-DN600 |
| Temperature range | -20 °C to + 180 °C (depending on pressure, medium and material) |
| Flange accommodation | EN 1092 PN 6/PN10/PN16 ASME Class 150 AS 4087 PN10/ PN16 JIS 5K/10K |
| Operation | Hand lever, gear box, pneumatic actuator, electric actuator |
Parts name & Material
| No. | Part name | Material | |||
| 1 | Body | GGG40 | |||
| 2 | Disc/shaft one piece | CF8M | 1.4462 | CF8M FEP lined | CF8 EPDM lined |
| 3 | Seat | PTFE,FPM,EPDM,PU,NBR | PTFE | EPDM | |
| 4 | Seat Energizer | SR | |||
| 5 | Weather seal | NBR | |||
| 6 | Bearing | PTFE impregnated SS316L | |||
| 7 | Gland | PTFE | |||
| 8 | Screw | SS304 | |||
| 9 | Belleville washer | SS304 | |||
| 10 | Stuffing collar | SS316 | |||
| 11 | O ring | FPM | |||
| 12 | V ring | PTFE | |||