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)
Chairman and CEO
(Last)
(First)
(Middle)
C/O CIRCOR INTERNATIONAL, INC., 25 CORPORATE DRIVE, SUITE 130		 3. Date of Earliest Transaction (Month/Day/Year)
08/30/2007
(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 08/30/2007   M(1)   7,400 A $ 23.8 72,796 D  
Common Stock 08/30/2007   S(1)   7,400 D $ 42.27 65,396 D  
Common Stock 08/30/2007   M(3)   4,500 A $ 24.9 69,896 D  
Common Stock 08/30/2007   S(3)   4,500 D $ 42.27 65,396 D  
Common Stock 08/31/2007   M(3)   11,500 A $ 24.9 76,896 D  
Common Stock 08/31/2007   S(3)   11,500 D $ 42.31 65,396 D  
Common Stock 09/04/2007(5)   G(5) V 6,000 D $ 0 59,396 D (6)  

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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 $ 23.8 08/30/2007   M(1)     7,400   (2) 01/06/2014 Common Stock 7,400 (2) 12,000 D  
Stock Option Right to Buy $ 24.9 08/30/2007   M(3)     4,500   (4) 02/18/2015 Common Stock 4,500 (4) 35,500 D  
Stock Option Right to Buy $ 24.9 08/31/2007   M(3)     11,500   (4) 02/18/2015 Common Stock 11,500 (4) 24,000 D  

Reporting Owners

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

Signatures

 Alan J. Glass, Attorney-in-Fact   09/04/2007
**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 reflect the cashless exercise of a portion of the grant of 30,000 options by the issuer to the reporting person on 1/6/2004 and scheduled to expire on 1/6/2014.
(2) The 30,000 options granted on 1/6/2004 vested in increments of 20% per year over a 5-year period. Upon exercise, the underlying options convert into shares of the issuer's common stock on a one-for-one basis.
(3) The stock options exercised herein reflect the cashless exercise of a portion of the grant of 40,000 options by the issuer to the reporting person on 2/18/2005 and scheduled to expire on 2/18/2015.
(4) The 40,000 options granted on 2/18/2005 vested in increments of 20% per year over a 5-year period. Upon exercise, the underlying options convert into shares of the issuer's common stock on a one-for-one basis.
(5) The transaction reported herein is not subject to mandatory reporting within two business days for filing Form 4 and is eligible for deferred reporting on Form 5. The reporting person however is herewith filing a Form 4 to voluntarily report this transaction.
(6) The transaction reported herein reflects the gift by the reporting person of shares to a charitable trust.

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