Valve Stack

REQUEST FOR INFORMATION - SOURCES SOUGHT  

NAVAL AIR WARFARE CENTER, AIRCRAFT DIVISION LAKEHURST, NJ  

                             RAST Valve Stack 

INTRODUCTION:  

This Request for Information (RFI) is issued pursuant to FAR 15.201(e) and in conformance with DFARS PGI 206.302. This is a Request for Information/Sources Sought notice to solicit comments, questions and feedback from industry regarding a planned procurement of a Valve stack assembly, consisting of: 4-way, 3-position solenoid-operated hydraulic directional control valve, throttle valve with check, and pressure relief valve, identified below. NAWCAD Lakehurst is requesting vendor sources with the capability of supplying said valve stack. Interested parties may submit technical literature/brochures on solutions that meet these material requirements. Any relevant information may also be submitted for consideration to aid in refinement of this requirement. 

THIS RFI IS NOT A REQUEST FOR PROPOSAL: 

It is a market research tool being used to determine potential and eligible vendors capable of providing services described herein prior to determining the method of acquisition and issuance of a Request for Proposal. The Government is not obligated to and will not pay for any information received from potential sources as a result of this notice. 

ELIGIBILITY:   

The PSC for this requirement is 4810 (Valves, Powered) and 4820 (Valves, Nonpowered). NAICS is 332912—Fluid Power Valves and Hose Fittings. All interested businesses are encouraged to respond.   

SUBMITTAL INFORMATION:   

It is requested that interested businesses submit to the contracting office a brief capabilities statement package demonstrating ability to meet the requirements outlined in the description.  Responses must include 0597-RAST Valve Stack in subject.  This documentation must address, at a minimum, the following:   

1. Company Contact Information to include: Company Name, Company Address, Cage Code, Company Business Size, and Point-of-Contact (POC) name, phone number, fax number, and e-mail address.  

2. Company Profile to include:  Number of employees and DUNS number; 

Statement regarding capability:

If you are a small business, provide an explanation of your company's ability to perform at least 50% of the tasking described in the specifications.   

The capability statement package shall be sent via email to AIR- 2.5.2.5.2 NAVAIR Lakehurst Contracts, Zaib Nageeb, Zaib.Nageeb.civ@us.navy.mil .  Submissions must be received at the office cited no later than 5:30 p.m. Eastern Standard Time on 3 October 2024.  

DESCRIPTION: 

NAWCAD Lakehurst is seeking: 

A. Valve Stack consisting of 4-way, 3-position solenoid-operated hydraulic directional control valve, throttle valve with check, and pressure relief valve 

• Schematic symbol: See attachment 1

• Overall Valve Stack Maximum Envelope dimension:  

  • Height: 11 in

  • Width: 11 in 

  • Depth: 5 in  

A.1. 4-way, 3-position solenoid-operated hydraulic directional control valve with the following specifications and characteristics. 

• Schematic symbols: See attachment 2

• Solenoids 

  • 115 VAC (nominal) 

  • 60 Hz (nominal) 

  • Continuous Duty  

• Current  

  • Inrush: 4.5 amp (nominal) 

  • Holding: 0.89 amp (nominal)  

• Response Time 

  • Solenoid Energizing: 0.1 sec (maximum) 

  • Spring Return: 0.2 sec (maximum) 

• Hydraulic (using Fluid with ISO Viscosity Grade 32) 

  • Pressure (minimum rated)  

    • Ports A, B, & P: 3500 psi 

    • Port T: 1000 psi 

  • Flow (minimum rated at 3500 psi): 8 GPM 

  • Pressure drop (maximum at 8 GPM): 40 psi 

  • Internal Leakage (maximum at 3500 psi): 10 cubic inches per minute  

• Valve shall be compatible with Hydraulic fluid MIL-PRF-17672, Military Symbol 2075-T-H 

• Hydraulic Interface  

  • For subplate mounting, conform to NFPA/T3.5.1 R2-2002 (R2015), Size D05  

• Overall Maximum Envelope dimension:  

  • Height: 5 in 

  • Width: 11 in 

  • Depth: 5 in  

A.2. Throttle valve with check (sandwich type construction), with the following specifications and characteristics. 

• Schematic symbol: See attachment 3

• Hydraulic  

  • Operating Pressure (maximum): 3500 psi 

  • Check Valve cracking pressure (maximum): 15 psi 

  • Flow Rate (maximum): 15 GPM 

  • Throttle: Redundant; the valve will be used with the throttle completely shut.  

  • Free flow pressure drop (maximum): 100 psi 

  • Internal Leakage: Zero, up to 95% of set pressure 

  • Mounting: subplate  

  • Fluid Temperature Range: 32 deg. F to 160 deg. F  

• Valve shall be compatible with Hydraulic fluid MIL-PRF-17672, Military Symbol 2075-T-H 

• Hydraulic Interface  

  • For subplate mounting, conform to NFPA/T3.5.1 R2-2002 (R2015), Size D05  

• Overall Maximum Envelope dimension:  

  • Height: 3 in 

  • Width: 8 in 

  • Depth: 4 in  

A.3. Pressure relief valve (sandwich type construction), with the following specifications and characteristics. 

• Schematic symbol: See attachment 4

• Hydraulic  

  • Flow Rate (maximum): 15 GPM 

  • Adjustable Pressure range:  

    • Maximum lower limit: 2000 psi 

    • Upper limit: 3000 psi 

  • Leakage: Pilot oil; no flow loss until adjusted pressure is reached 

  • Mounting: subplate  

  • Fluid Temperature Range: 32 deg. F to 160 deg. F  

• Valve shall be compatible with Hydraulic fluid MIL-PRF-17672, Military Symbol 2075-T-H 

• Hydraulic Interface  

  • For subplate mounting, conform to NFPA/T3.5.1 R2-2002 (R2015), Size D05  

• Overall Maximum Envelope dimension:  

  • Height: 3 in 

  • Width: 8 in 

  • Depth: 4 in  

HOW TO RESPOND: 
All interested parties must submit written responses, preferably via electronic mail within fifteen (15) days after release of this RFI with product information that meets all or a subset of the aforementioned attributes. Please submit your response to this RFI via e-mail no later than 3 October 2024, 5:30 PM EDT to Contract Specialist, Zaib Nageeb at zaib.nageeb.civ@us.navy.mil. The Navy does not intend to award a contract on the basis of this request or otherwise pay for the information solicited. While the Navy intends to use this information for future acquisition planning purposes, it will not release any information about your approach that might in any way compromise your competitive posture or proprietary information. The Navy will not use any information provided to level your company’s approach relative to another competitor. All information received in response to this RFI that is marked PROPRIETARY will be handled accordingly. The Navy will not be liable for or suffer any consequential damages for any proprietary information not properly identified. Proprietary information will be safeguarded in accordance with the applicable Navy regulations. Responses to this RFI will not be returned. Respondents will not be notified of the result of the review.  Failure to respond to this RFI does not preclude participation in any future associated RFP/RFQ that may be issued. Information provided in no way binds the Navy to solicit or award a contract. If a solicitation is released, it will be synopsized on the Federal Business Opportunities (FedBizOps) website: www.fbo.gov. It is the potential vendor's responsibility to monitor this site for the release of any follow-on information.