Silian Technical Import & Export Co., Ltd.Chongqing

Model Number: VBJG Brand Name: Hard-Sealed Butterfly Valve Key Specifications/Special Features: High performance hard-sealed butterfly valveVBJG high performance hard sealed butterfly valve,whose sealing surface is a conical type, has an eccentricangle in the horizontal center, the valve stem relative tothe flow channel center has two distance biases in itsaxial and the radial direction, thus the frictionless actionbetween the gasket of the disc and the sealing face of theseat before valve closing is availableThe pressure angleis larger than the friction angle on the sealing face torealize the extra-low open resisting force and rapidclosing automatic tally sealing actionThe valve featureswith advanced construction, reliable seal, long life, lowcost and moreIt is an economical practical automatic controlvalve providing both control and cut-off functions anduses to the fluid services with large flow, low pressuredrop and low seat leakageThe product complies with GB/T4213-2008standardFeatures: patent no. ZL200820238488.11. Triple eccentricity seal butterfly valve and actuator connection dimension was designed according to IS05211standard, commonality, and easy to install2. Triple eccentricity seal butterfly valve uses three eccentric structure, suitable for high temperature and high pressureand other complex conditions and requirements of strict cut off occasion, no dead zone while opening and closing,and small open torque3. The valve body and disc with a variety of material combinations to meet the different needs of pressure,temperature and medium, the product with the temperature from -196℃ to 550℃, and the nominal pressure fromANSI150 to ANSI25004. The valve seat and valve body are integrated structure, the valve seat sealing surface welding with high strength andcorrosion resistant alloy materials to ensure the valve seal reliability, long service life and basically no maintenance5. The sealing ring uses duplex stainless steel or multi-level combination seal material, the valve seat and the sealingring structure is relatively independent, easy replacement and easy maintenance
6. The integral of the stem and the use of high strength stainless steel material allow large differential pressurewithstanding
Stepped structure design can effectively prevent the stem flying out, guarantee the valve security
7. The shaft seal structure effectively prevents dirty medium impurities entering into the gaps between the valve bodyand valve stem to avoid deadlocking phenomenon