Qty 1 BS B 2" Rupture Disk type BV, 171 PSIG @ 400F 316/316 Description: This is for 1 BS B 2" Rupture Disk type BV, 171 PSIG @ 400F 316/316. Check picture and email with any questions. This was never used or put into service, it is new in box with shelf wear condition. Liquidating excess inventory, bargain price. Condition: Excellent, new. Please check calculator for insured shipping. Payment by Paypal, MO, Co Check. Thank you for bidding.. Check my store for more rupture disc parts, we have many other burst pressure ratings available If you are not satisfied with your transaction in any way, please contact us and let us know. Due to Ebay again changing sellers return policy timeframe from 14 days to 30 days, we have now discontinued returns. Please keep in mind if you have received a defective or damaged item, we are still happy to work with you to accept a return in a timely manner. Thank you for your consideration.