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for pipe 3" and larger shall be Celanese Piping System � Chemtrol DE series, Schedule 80 PVC with teflon seats;and I vitron seals. Valves shall be rated for 150 psi at 75 degrees F. 2.7 HANGERS AND SUPPORTS ', A. Provide hangers as follows: I 1. Non-insulated copper tubing and PVC pipe 1/2" OD thru 4" � OD with no longitudinal movement: ' , Grinnell Figure CT-99C, MSS SP-69 TYPE 9, � ' plastic coated adjustable tubing ring hanger. � � � 2. Insulated copper piping 1/2" OD thru 2-1/8" OD with � longitudinal movement: ; Grinnell Figure 171, MSS SP-69 TYPE 41,pipf; roll complete with Figure 167, MSS SP-69 TYPE 40, � galvanized steel insulation protection shield sized for ; maximum 10' span on 4 psi compressive strenb h ; insulation. � I • B. Support copper pipe risers and PVC pipe risers by Grinnell Fi��re CT-121C, MSS SP-69 TYPE 8,plastic coated riser clamps at il�oor penetrations. C. Support three or more parallel lines by trapeze hangers utilizinlg Unistrut channel or equal in bottom mounting arrangement wi�h rod hanging support. D. Adequately size hangers on insulated piping for insulation to ��ass continuously through hangers. Insulated piping shall be suppo�i ed outside insulation covering. I E. Provide C-clamps with locknut, Grinnell Figure 86, MSS SP-G9 TYPE 23, where piping is shall be hung from steel beams. Welding hanger rods to steel members is not permitted. Provide mallea'ble beam clamps with extension piece, Grinnell Figure 229,MSS aP- 69 TYPE 30, where piping is hung from bar joist. i � F. Support all piping by heavy steel, adjustable hangers, or brackets suitably fastened to structural portion of building. Place hange;rs in accordance with following tables. � �i i ICT 99184 i � 15060 - 4 � �