1.Design and manufacture standards:
A) Wafer and lug: API 609, DIN3354
B) Flange and weld: BS5155 / EN598
2. Inspection and test standards:
API 598, DIN3230, BS5146
3. F-to-F:
A) Wafer and lug: API609, DIN3202 K2
B) Flange: ISO 5752
4. End flange dimension:
ASME B16.5 (for NPS<24″), ASME B16.47 series B,
API605, ASME B16.47 series A, MSS SP-44 (for NPS>24″), or BSEN 1092
5. Top flange: ISO5211
6. Connecting: Wafer, Lug, Flange, Weld
7. Size: 1-1/2″ – 40″, DN40 – DN1000
8. Pressure: Class125 – Class300, PN6 – PN40
9. Temperature: -20° C – 200° C
10. Body: Cast iron / ductile iron / WCB / 304 / 316
11. Disc: Ductile iron / WCB / 304 / 316 / CF8 / CF8M
12. Stem: 13%Cr / 316 / 304 / SS17-4pH
13. Seat: NBR / EPDM / PTFE / R-PTFE / PPL/Stainless Steel
14. Operation: Lever, worm gear, pneumatic, electric, hydraulic or pneumatic-hydraulic actuator
15. Property: Longer service life and zero leakage
16. Widely used in many industries such as: Water treatment, foodstuff, beverage, pharmaceutics, desalination, steelmaking, chemical machinery industries, pulp and paper manufacturing processing