EXHIBIT 32.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Annual Report of Atlas Pipeline Partners, LP on Form 10-K
for the year ended December 31, 2004 as filed with the Securities and Exchange
Commission on the date hereof (the "Report"), I, Edward E. Cohen, Chief
Executive Officer of the General Partner, certify, pursuant to 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of
the Securities Exchange Act of 1934, and

(2) The information contained in the Report fairly presents, in all material
respects, the financial condition and results of operations of the Partnership.


                                  /s/ Edward E. Cohen
                                  Edward E. Cohen
                                  Chief Executive Officer of the General Partner
                                  March 16, 2005