A gate design main steam isolation valve (MSIV) which is
fast closing for critical protection in nuclear applications.
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Applications
- Main steam isolation
- Main feedwater isolation
Features
- Gate design reduces pressure drop
- Quick closure design (typically 3-5 seconds)
- Available as parallel slide or wedge gate design
Design standards
- ASME Section III
- RCC-M
pressure class
- 600-1500
sizes
- 14 to 42 inch (DN 356 to 1067)
materials
- Carbon steels
- Alloy steels
- Stainless steels
- Seats and precision guides: Hardfacing #6 overlay
