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Keystone CompoSeal Resilient Seated Butterfly Valve

Keystone CompoSeal resilient seated butterfly valves feature a valve body and disc in highly engineered composite material providing excellent internal and external chemical resistance whilst being lightweight and simple to install.

Details

Features

1.Light weight construction results in lower cost and simplified installation.

2.No extra pipe support needed when installed in plastic or GRP piping.

3.Disc in high engineered composite material provides excellent corrosion resistance.

4.All fasteners in stainless steel 316 as standard.

5.Bubble tight shut-off in both directions, in accordance with EN 12266-1 leakrate A.

6.Pressure range up to PN 16 at elevated temperature.

7.Valve can be used in high line velocity applications up to 12 m/sec.

8.Spindle and primary valve seals are not influenced by the flange bolting force or pipe flange type.

9.High Kv (Cv) value.

10.No need for flange gaskets.

11.Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through the shaft area to atmosphere.


Specifications

Size

DN 40 to 300, NPS 1.5 to 12

Temperature

-40°C up to +150°C / -40°F up to +300°F

Pressure Rating

10 bar/16 bar / 145 psi/232 psi; DIN PN 6/10/16; ASME 150; JIS 10K; AS 2129 Table E

Flange Connections

EN 558-1/T5, API 609

Face-to-Face

Standard (consistent with flange connection standards)



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Pictures show


Application area

能源

化工

矿业