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- Features
- Positive 100% bubble tight lock up inlet and outlet test ports
- Internal vent limiter non-removable, for indoor and outdoor installations
- External vent limiter option for indoor installations
- Double diaphragm for added safety and greater reliability of service
- Balanced valve design gives you for increase capacity, high 500 to 1 turndown and stable regulation from low to high flow
- Complete lockup in absence of gas flow, bubble tight shut off
- Black spring with 8 in WC
- Positive dead end lockup
- Standards/Approvals: ANSI Z21.80A2005 Class I, CSA 6.22A-2005
- Applications: For use in wide range of residential through large industrial and natural gas, LPG and other non-corrosive, clean gas applications