Nominal Diameter: DN40–DN350
Nominal Pressure: 10Bar/16Bar
Design Standard: API609
FTF Dimension: API609
Flange Connection: ASME B16.1 Class125/ASME B16.5 CL150
Inspection and Test: API 598
Material List:
1. Body
Cast Iron ASTM A126 CL.B/ DIN1691 GG25
Ductile Iron ASTM A536 60-40-18/ DIN1693 GGG40
Carbon Steel ASTM A216 WCB
Stainless Steel ASTM A351 CF8/CF8M
Bronze AL-Bronze ASTM B148 C954
2. Disc
Ductile Iron ASTM A536 60-40-18/ DIN1693 GGG40
Carbon Steel ASTM A216 WCB
Stainless Steel ASTM A351 CF8/CF8M
Bronze AL-Bronze ASTM B148 C954
Coating Nickelplate/Epoxy/EPDM/VITON/Nylon
3. Stem
Stainless Steel ASTM A182 304/316/410
Alloy Monel K500
4. Seat
Elastomer Working temperature
EPDM -45℃-135℃
NBR -10℃-80℃
VITON -20℃-150℃
PTFE -10℃-150℃
5. Bushing PTFE/Bronze
Structure and Feature
1. Bi-directional tightness.
2. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.
3. Simple and compact construction, quick 90 degree on-off operation.
4. Minimized operating torque, energy saving.
5. Flow curve tending to straight line. Excellent regulation performance.
6. Long service life. Standing the test of tens of thousands opening/closing operations.
7. Bubbles-tight sealing with no leakage under the pressure test.
8. Wide selection of materials, applicable for various medium.