Description
Features
For non-leakage through packing chamber
Beveled knife on metal or resilient seats
Self-cleaning mechanism
Uni-direction or bi-directional design
Rising stem, outside screw & yoke
Design & Manufacture:
MSS SP-61, ASME 16.34
Face to Face: MSS SP-81, ASME B16.10, EN 558
Connection End: ASME B16.5, EN 1092, JIS B2220
Test : MSS SP-81