Exhibit 3.1

AMENDED AND RESTATED

CERTIFICATE OF INCORPORATION

OF

CIRCOR INTERNATIONAL, INC.

ARTICLE ONE

The name of this corporation is CIRCOR International, Inc. (the “Corporation”).

ARTICLE TWO

The registered office of the Corporation in the State of Delaware is located at 4001 Kennett Pike, Suite 302, Wilmington, New Castle County, Delaware 19807, and the name of the registered agent whose office address will be the same as the registered office is Maples Fiduciary Services (Delaware) Inc.

ARTICLE THREE

The purpose of the Corporation is to engage in any lawful act or activity for which a corporation may be organized under the General Corporation Law of the State of Delaware, as amended (the “Delaware General Corporation Law”).

ARTICLE FOUR

The total number of shares of capital stock that the Corporation has authority to issue is 100 shares, which will be designated Common Stock, par value $0.01 per share.

ARTICLE FIVE

Unless, and except to the extent that, the By-Laws of the Corporation (the “By-Laws”) so require, the election of directors need not be by written ballot.

ARTICLE SIX

The board of directors of the Corporation (the “Board of Directors”) may from time to time adopt, amend or repeal the By-Laws, subject to the power of the stockholders to adopt any By-Laws or to amend or repeal any By-Laws adopted, amended or repealed by the Board of Directors.

ARTICLE SEVEN

A director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (a) for any breach of the director’s duty of loyalty to the Corporation or its stockholders, (b) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (c) under Section 174 of the Delaware General Corporation Law or (d) for any transaction from which the director derived an improper personal benefit. If the Delaware General Corporation Law is amended after the effective date of this Amended and Restated Certificate of Incorporation to authorize corporate action further eliminating or limiting the personal liability of directors, then the liability of a director of the Corporation shall be eliminated or limited to the fullest extent permitted by the Delaware General Corporation Law, as amended.

Any repeal or modification of this Article Seven by either of (i) the stockholders of the Corporation or (ii) an amendment to the Delaware General Corporation Law shall not adversely affect any right or protection existing at the time of such repeal or modification with respect to any acts or omissions occurring before such repeal or modification of a person serving as a director at the time of such repeal or modification.

ARTICLE EIGHT

The directors shall have powers without the assent or vote of the stockholders to fix and vary the amount to be reserved for any proper purpose; to authorize and cause to be executed mortgages and liens upon all or any part of the property of the Corporation; to determine the use and disposition of any surplus or net profits; and to fix the times for the declaration and payment of dividends.

ARTICLE NINE

The directors in their discretion may submit any contract or act for approval or ratification at any annual meeting of the stockholders or at any meeting of the stockholders called for the purpose of considering any such act or contract, and any contract or act that shall be approved or be ratified by the vote of the holders of a majority of the stock of the Corporation which is represented in person or by proxy at such meeting and entitled to vote thereat (provided that a lawful quorum of stockholders be there represented in person or by proxy) shall be as valid and as binding upon the Corporation and upon all the stockholders as though it had been approved or ratified by every stockholder of the Corporation, whether or not the contract or act would otherwise be open to legal attack because of directors’ interest, or for any other reason.

ARTICLE TEN

In addition to the powers and authorities hereinbefore or by statute expressly conferred upon them, the directors are hereby empowered to exercise all such powers and do all such acts and things as may be exercised or done by the Corporation; subject, nevertheless, to the provisions of the statutes of the State of Delaware, of this Certificate, and to any By-Laws from time to time made by the stockholders; provided, however, that no bylaws so made shall invalidate any prior act of the directors which would have been valid if such bylaw had not been made.

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ARTICLE ELEVEN

The Corporation shall, to the full extent permitted by Section 145 of the Delaware General Corporation Law, as amended from time to time, indemnify all persons whom it may indemnify pursuant thereto.

ARTICLE TWELVE

Section 203 of the Delaware General Corporation Law shall not apply to the Corporation.

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