Bare Stem GGG40 PTFE Centerline Wafer Butterfly Valve

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Material &Describition:
Body:CI/DI/WCB/SS304/SS316

Disc:DI/SS304/SS316/C954

Stem:SS410/SS420/SS416/SS431
Seat:WRAS Approved EPDM

Technical Specfication:

Size:DN40-DN1200;

General Design:API609,EN593, BS5155, MSS SP-67;

Mounting Pad:ISO 5211;

Face to Face:API609,EN558 1-20 series, ISO5752, DIN3202;

Flange Drilling:BS EN1092-2, DIN 2501 PN10/PN16;

Inspection and Test:API598
Suitable Temperature:-45C to 150ºC

 2. Simple and compact construction,quick 90 degrees on-off operation.

 3. Miniminzed operating torque,energy,saving.

 4. Flow curve tending to straight line. Excellent regulation performance.

  5. Long service life.Standing  the test of tens of thousands opening/closing operations.

 6. Bubbles-tight sealing with with no leakage under the pressure test.

 7. Wide selection of materials,applicable for various medium.
 8. Feature Small in size, light in weight and easy maintenance, it can be used as a device to cut-off or regulate
9.  Apply Fresh water, sewage, sea water, air,  vapor, food, medicine, oils. acids, alkalis, salt etc.

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