All welded shut off ball valves with rotating seat rings DN 50÷700 mm, PN 0,63÷25,6 MPa, transported medium temperature -70С, +250С:
- for standard media;
- for aggressive media (with methanol up to 100%, H2S up to 10%, CO2 up to 6%)
All welded shut off ball valves DN 50÷300 mm, PN 0,63÷25,6 MPa with «metal to metal» sealing