偷窥国产综合_天天干天天色综合_蜜桃视频成人A片免费观看少妃_16p亚洲 - 亚洲国产综合在线观看不卡

FM 4930標準闡述了冷卻塔組件的認證要求。FM 4930符合本標準要求的冷卻塔或冷卻塔組件不需要自動灑水噴頭的保護。FM 4930認證依據可以包括但不限于火、風、冰、雪和地震性能要求、標準要求、工廠審查、質量保證程序審核以及跟進計劃。FM 4930冷卻塔認證標準咨詢，請咨詢南京睿督025-86583475

The purpose of FM Approvals Standard for Cooling Towers, Class FM4930, is to state the requirements for cooling towers that do not need automatic sprinkler protection. When going through the Approval process one of the key steps is to build a full-sized representative tower cell that contains the specific configuration of various components, including, but not limited to, structural members, wall panels, decking material, fans, louvers, fill, and drift eliminators that are to be Approved which will then be evaluated to “demonstrate its ability to withstand damage from a fire exposure and retain operational integrity and not impose a fire hazard to adjacent structures or surroundings.” The test procedure involves lighting a specified amount of heptane and then witnessing the burning characteristics of the tower with its specific configuration of all the components. Approval is based upon the amount of damage, loss of operational capability, structural integrity of the tower cell and fan support, and containment of the fire.

It must be noted that FM Approvals does not approve individual components for use in cooling towers. Approval is only extended to the entire cooling tower system as it was tested and the components contained within it as a complete system. Thus, while the FM Approvals Guide lists various components that constitute FM Approved towers, those components are only considered to be FM Approved, “for use when installed in the prefabricated factory assembled units as described.” As an example, if ABC Cooling Tower Company builds tower model# CT100 which contains FILL123, and model# CT100 receives FM Approval, FILL123 cannot be installed into model# CT999 to make CT999 an FM Approved tower. It also does not mean that model# CT999 utilizes “FM Approved Fill” since that is a misapplication of the FM Approved Components listing.

FM 4930冷卻塔測試認證，請咨詢南京睿督公司
南京睿督聯系方式：
電話：025-8658 3475   400-603-6575
網址：www.fire-test.cn   www.fire-test.com
郵箱：info@fire-test.com
微信公眾號：firetest 或 睿督防火測試
...