Lug Type Butterfly Valve

(Triple Offset Metal Seal) Flanged Butterfly Valve

Basis Standards

Design standard: API609, MSS SP-67, MSS SP-68;

Test standard: API598;

Flange Standard: ASME B16.5 (NPS≤24), ASME B16.47 B;

Butt weld end: ASME B16.25;

Structure length: API 609;

Temp. & Pressure standard: ASME B16.34

Features

1. It is widely used in metallurgy, light industry, electric power, petrochemical, gas and other fields.

2. Two way tightly shutoff without bubble; Valve disk seal touch the valve seat only in the closed position, no friction or wear, while a torque is generated to make the elastic seal ensure the uniformity of sealing contact.