A N1.85 graph used in calculation a sprinkler system demand against a known flow and pressure. Complies to NFPA 13. Use with your shop drawings or design package, fully importable into Autocad. Add to wish list $10.00 – Purchase Checkout Added to cart You must log in to submit a review. Username or Email Address Password Remember Me Buying Options Add to wish list $10.00 – Purchase Checkout Added to cart
