E-mail TDV@ndvtj.com.cn
Phone 022-59813960-8888

Product

Stainless steel high-performance butterfly valve (KM200 type)


Double off center mechanism make the valve long service life and available in a line of reverse pressure load. Reinforced PTFE seats applicable for a wide range of fluids is standard.



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KML200 typePneumatically operated ON-OFF valve (double acting)
KMPN1200 type
Pneumatically Operated Control Valve
KMPN3200 type



Structure and features

①Long life with double off-center Mechanism

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The drive shaft center of the disc is double eccentric (double off-center). The disc and the seat do not contact until just before they are fully closed, so the seat has a long service life with little wear.







②No flow directions, applicable for a line with a reverse pressure load.

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The disc and seat come into close contact with each other by the fluid pressure in either the primary or secondary flow direction. (In case that the fluid is steam or the flow velocity is greater than 3m/sec, there is flow direction.)







③Reinforced PTFE seats for a wide range of applications

Glass-fiber-filled PTFE seat are standard. The seat can be easily replaced by removing the set ring. (Synthetic rubber and metal seat can also be selected according to the conditions.)

Applicable field

Chemicals, Environment and Water Treatment, Steel, Ships, Power Stations, Air Volume Control, etc.

Standard Specifications

Valve typeKM207 (Standard)KM212KM213
BodySCS13ASCS14ASCS16A
DiscSCS13ASCS14ASCS16A
StemSUS304SUS316SUS316L
Seat・GR (PTFE with fiberglass: white, standard)
・CF (special carbon-filled PTFE: black)
・Synthetic rubber seat: EP(EPDM), VT(FKM)
・Metal seat: M (SUS316)
Gland packingPTFE
ConnectionWafer JIS5K, 10K *

*JIS20K, ASME CL150 will also be available. Please consult our sales representatives.

Please refer to the catalog, drawings, etc. or contact our sales office for details.