Product Description Name: Lug type butterfly valve Standard Compliance 1) Design and manufacture Std.: BS 5155, API 609, MSS SP-67, and MSS SP-68 2) Face to face Std.: BS 5155, and API 609, MS 3) End connection Std.: ASME B16.5, and DIN2543-2545 4) Test standard: ISO5208, and BS 6755 Specifications 1) Structure type: Center line pattern, double eccentric pattern, and three eccentric patterns. 2) Operated way: Lever, gear, pneumatic, and electric.