Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BLOSS DAVID A SR
  2. Issuer Name and Ticker or Trading Symbol
CIRCOR INTERNATIONAL INC [CIR]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, Chairman & CEO
(Last)
(First)
(Middle)
CIRCOR INTERNATIONAL, INC., 25 CORPORATE DRIVE, SUITE 130
3. Date of Earliest Transaction (Month/Day/Year)
02/22/2005
(Street)

BURLINGTON, MA 01803
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock (1) 02/22/2005   M   17,800 A $ 11.95 36,968 (3) D  
Common Stock (2) 02/22/2005   S   17,800 D $ 23.5 19,168 (3) D  
Common Stock (4) 02/23/2005   M   40,000 A $ 11.95 59,168 (3) D  
Common Stock (2) 02/23/2005   S   20,000 D $ 23.5063 39,168 (3) D  
Common Stock (2) 02/23/2005   S   20,000 D $ 23.882 19,168 (3) D  
Common Stock (5) 02/24/2005   M   10,636 A $ 11.95 29,804 (3) D  
Common Stock (2) 02/24/2005   S   10,636 D $ 24.1283 19,168 (3) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option Right to Buy $ 11.95 02/22/2005   M   17,800     (1) 09/01/2005 Common Stock 17,800 (1) 50,636 D  
Stock Option Right to Buy $ 11.95 02/23/2005   M   40,000     (4) 09/01/2005 Common Stock 40,000 (4) 10,636 D  
Stock Option Right to Buy $ 11.95 02/24/2005   M   10,636     (5) 09/01/2005 Common Stock 10,636 (5) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BLOSS DAVID A SR
CIRCOR INTERNATIONAL, INC.
25 CORPORATE DRIVE, SUITE 130
BURLINGTON, MA 01803
  X     President, Chairman & CEO  

Signatures

 Stephen J. Carriere, Attorney-in-Fact   02/24/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The stock options exercised herein are a portion of the grant of 68,436 options by the issuer to the reporting person on September 1, 1995. The 17,800 options exercised are a portion of the 27,374 options that became exercisable on September 1, 1996 and 1997. These options convert into shares of the issuer's common stock on a one-for-one basis.
(2) The transactions reported herein reflect the cashless exercise by the reporting person of stock options previously granted to the reporting person by the issuer.
(3) Prior to the transactions reported herein, the reporting person held 18,668 shares of the issuer's common stock directly and an additional 400 shares indirectly in his spouse's name. After consumation of these transactions, the reporting person continues to hold 18,668 shares directly and an additional 500 shares indirectly in his spouse's name.
(4) The stock options exercised herein are a portion of the grant of 68,436 options by the issuer to the reporting person on September 1, 1995. The 40,000 options are a portion of the 54,749 options that became exercisable on September 1, 1996, 1997, 1998, 1999, and 2000. These options convert into shares of the issuer's common stock on a one-for-one basis.
(5) The stock options exercised herein are a portion of the grant of 68,436 options by the issuer to the reporting person on September 1, 1995. The 10,636 options exercised are a portion of the 13,687 options that became exercisable on September 1, 2000. These options convert into shares of the issuer's common stock on a one-for-one basis.

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