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AppendixEl 2. To determine lower tube distance from tank 7150 Overfill Valve in Tank Shut off Level Worksheet bottom to bottom of cut: Important: This is meant to be supplemental worksheet and not a substitute to following the Installation Subtract valve length (W) from distance to tank manual instructions. All length measurements are In inches. Please contact the Authority Having Jurisdic- bottom (B) tion (AHJ) and review local, state, and national codes to determine the regulatory requirements governing (V) = (el — (W) = shut-off capacity in your region, as well as take Into account other considerations such as extreme tank tilt. Cast lug Note: Lower tube clearance must meet tank manufac- turer requirements and all AHJ, local, state, and national body Take the following measurements with the valve in- codes. Typical clearance Is about 4 IF lower tube clear- Float direction stalled In the tank ance is not met valve must be removed and adjusted to Distance from the 71 SO inlet tube flange to the cast meet these requirements. lug in the 71 SO body (see figures), upper tube length. Note: the UpperTube Length must beat least 16" to in- _q clude the protective bend in the tube. 3. To determine lower tube distance from tank (D) = bottom to top of cut: Distance from the 71 SO Inlet tube flange to the top and Subtract valve length (U) from distance to tank bottom of lower tube, valve length. (D) bottom (B) (W) = Upper (T) = (B) - (U) = (U) = Tube View into drop tube from above Note: Lower tube distance from tank bottom to top of Distance from the 71 SO inlet tube flange to the bottom cut must meet all AHJ, local, state, and national codes. of the tank. Note: if a tank bottom protector is present it For reference per 40 CFR 63 subpart CCCCCC/ NFSHAP may be necessary to add this thickness to dimension the lower tube can be no more than 6" from the bottom (DPW 6111 & 61TP models add 0.6") (W)Valve of the tank If lower tube distance Is not met valve must (B) = Length, be removed and adjusted to meet these requirements. bottom of From the tank calibration chart provided by tank manu- cut facturer find the dipstick number (Y) which corresponds 4. To determine float alignment: to the 100% volume. (B) (y) = To Tank Looking into upper tube (see figure) the float should be (Y) aligned along the length of the tank If float is not 1 . To determine shut-off percentage: Tank aligned properly adjustments need to be made. Subtract upper tube length (D) from distance to tank (U) Valve Chart bottom (B) Length, 100% (X) _ (B) - (D) - 2' = top of cut Volume Dipstick Using the tankcal(bration chart provided by the tank manufacturer determine the tank capacity at the cal- culated (X) dimension and the 100% volume (Y) tank capacity. (X) tank capacity in gallons = (Y) tank capacity in gallons = 50% = (X) capacity / (Y) capacity x100 = Note: The overfill valve must be installed per AHI require- ments and all applicable local, state, and national codes. If the overfill valve is set above the allowable shutoff percent- age the overfill valve mustbe removed and replaced. For reference 40 CFR part 280 Subpart B Section 280.20 overfill valves should be set to a maximum of 95% 21 22 Appendix C Appendix C (continued) HOW TO LOCATE THE POSITION OF THE 7150 FOR COMPLETE SHUT-OFF AT A GIVEN TANK CAPACITY 7150 Overfill Valve In Tank Complete Shut Off Level Worksheet Note: This Appendix only applies when AHJ require- EXAMPLE Important: This is meant to be supplemental worksheet and not a substitute to following the installation Netts call Appendix at in AHJrkca d manual instructions. All length measurements are in inches. Please contact the Authority Having Jurisdic- P 9 capacity, 1 . Foran Owens-Corning Model G-3 Fiberglass' Tank tion (AHJ) and review local, state, and national codes to determine the regulatory requirements governing Seepage 4 for standard measurements. Calibration Chart: shut-off capacity in your region, as well as take into account other considerations such as extreme tank tilt. The length of the upper tube and the placement of the Tank Capacity - 10,000 gal, nominal 9,403 gal. 7150 valve body determine the shutoff point. The sam- NOTE: Use actual capacity only Take the following measurements with the valve In- pie calculation below will provide for complete shut-off stalled in the tank: at 95%. In all cases, the upper tube length must be a Tape rreaerm Distance from the 7150 Inlet tube flange to the cast minimum of 6-1/2' plus the length of the riser pipe. All lug in the 71 SO body (see figures), upper tube length. length measurements are in Inches. Note: the UpperTube Length must be at least 16P to In- INSTRUCTIONS clude the protective bend In the tube. i. Find the tank capacity (in gallons) from the tank call- (0) bration chart provided by the tank manufacturer. Alas Me Distance from the 7150 Inlet tube flange to the top and 2. Calculate 95% of capacity. Fpay" (A) bottom of lower tube, valve length, To Jo,aW _ 3. Locate the 95% volume number on the tank calibra- T0000.) Ta Tar ) k IUI = Upper tion chart. cx^ Tube 4. Find the dipstick number (X) which corresponds to Distance from the 7150 inlet tube flange to the bottom the 95% tankvolume. And, find the dipstick number of the tank. Note: if a tank bottom protector is present it p7 which corresponds to the 100% volume. may be necessary to add this thickness to dimension 5. Subtract the dipstick number (X) from the tank diam- (DPW 6111 & 61TP models add 0.6 ) (N9 Valve e[er (Y) to find the upper tube reference number 2). (B) = Length, m - 00 = (Z) 2. 95% of actual tank capacity = 0.95 x 9403 gal. = bottom 6. Add 1 .54to (2 ) to find the uppertube depth E 8933 gal. From the tank calibration chart provided by tank manu- of cut (Z) + 15" = E 3. The closest number which is less than 8933 gal. is facturerfind the dipstick number M which corresponds 8tothe 10096 volume. (B) 910 gal. Choosing the closest number less than 7. Is Eless than 6-1/2'i 95% of actual capacity ensures that complete (y) = To Tank NO Upper tube length is E plus the distance from the shutoff will occur when the tanks no more than (Y) top of the Face Seal Adaptor installed on the riser 95% full, 1. To determine complete shut-off percentage: Tank pipe to the Inside, top lip of the storage tank (A). Subtract upper tube length (0) from distance to tank (U) Valve Chart Upper Tube Length = E + (A) 4. The calibration chart reading of 8910 gal. come- bottom (B) Length, 100% sponds to a dipstick measurement of 82m, 1X1 = 181 - (D) + 1 .5^ = top of Volume For testable models only, ending In 07w: S. Dipstick number (X) = 82' Dipstick UpperTube Length = E + (AI - 1-1/2' Tank diameter (Y) = 92' Usingacturethe k determine the to k capped by the tank cal- (Y) (92'- 82' = 101 manufacturer determine the1 100% vol capacity atthecak (Z) - 10' colored (K) dimension and the 100% volume IY) tank YES Upper tube length is 6-1/2' plus the riser pipe capacity. measurement (A). 6. (Z) + 15' = E (10' + 15" = 11 .5') UpperTube Length = 6-1/2" + (A) E = 11 .5' (X) tank capacity in gallons = 7. Is 11 .5" less than 6-1/20t NO Measure the distance from the to of the FSA-400 (Y) tank capacity in gallons = For testable models only, ending In T: P Upper Tube Length = 6-1/2• + (A) - 1-1/2 Face SeatAdaptor installed on the riser pipe to Compiete50% = (X) capacity / (Y) capacity x100 = the Inside, top lip of the storage tank and obtain Note: The overfill valve must be installed per AHJ re- measurement (A). quirements and all applicable local, state, and national NOTE: You must find the actual tank capacity nu m- Upper tube length = E + (A) codes. if the overfill valve is set above the allowable bet that correlates to the 6-1/2• + (A) depth for the shut-off percentage the overfill valve must be removed station records. This number may also be used or For testable models only, ending in "T": and replaced. the purposes of calibrating an electronic tank level Upper Tu be Length s E + (A) - 1 -1 /2" system. Note: This A Appendix on applies to valves installed erA Appendix C. SeeAppendix B for the standard valva PPep only PP P PPe Installation tank shut off level worksheet. 23 24