Butterfly Valves

Product Description

1�classify: ball hard sealed butterfly valve and double directions metal sealed valve. 2�type and name� QD*7(4)KTH*1.0(1.6/2.5) hard sealed manual butterfly valve QD*7(4)KTH*1.0(1.6/2.5) hard sealed pneumatic butterfly valve QD*7(4)KTH*1.0(1.6/2.5) hard sealed electric butterfly valve QD*7(4)KTHA�HB�*1.0(1.6/2.5) double directions hard sealed manual wafer-type (flange) connection butterfly valve QD*7(4)KTHA�HB�*1.0(1.6/2.5) double directions hard sealed pneumatic wafer-type (flange) pneumatic connection butterfly valve. QD*7(4)KTHA�HB�*1.0(1.6/2.5) double direction hard sealed electric wafer-type (flange) connection butterfly valve 3�normal diameter�DN******0 4�drive mode�handle�no showing�� 3 worm wheel� 6 pneumatic� 9electric� 5�connection mode�7 wafer-type�4 flange-type� 6�working condition�H high temperature air� single pressing direction� temperature�**0� HA fresh water, air� double pressing direction� temperature�**0� HB coal gas, natural gas, double pressing direction� temperature�**0� 7�normal pressure�1.0Mpa�1.6Mpa�2.5Mpa 8�material of valve and valve board� H ash cast iron�Q modular cast iron� ZG cast iron� P ZGICr*8nI9Ti 9�Suitable medium: steam, coal gas and causticity or resistant Causticity medium.