الوصف

Features:
1. Small and lightweight, easy assembling and maintenance, and can be installed in any position.
2. Simple and compact structure with the *0 ° rotating features in rapid opening and closing.
3. Minimized and energy saving operating torque
4. Flow characteristics close to straight line with excellent regulation performance
5. Thousands of times of open/close test to ensure long service life
6. Full seal, no gas leak
7. Different parts material can apply to a variety of medium.