1、MIL-V-L7LI0/3 16 7777906 0205252 5 i MIL-V-81940/3(ME) 15 December 1983 MILITARY SPECIFICATION SHEET VALVE, .SAMPLING AND BLEED, HYDRAULIC, TYPE II SYSTEMS 37“ FLARE FITTING This specification is approved for use by the USA Belvoir Research and Development Center, Department of the Army, and is avai
2、lable for pse by all Departments and Agencies of the Department of Defense. 1 I The complete requirements for procuring the valve described herein shall consist of this document and the latest issue in effect of specification MIL-V-81940. .950 MIN. DIA.- PUSH- 7 BUTTON OR KNURLED KNOB L- 2 .O0 MAX.-
3、/ -7 SPOUT POSITION OPTIONAL PROVIDING 0.50 MIN IS HELD AND IT IS PERPENDICUL TO MAIN AXIS OF VALVE. CAP-SA J514 .O7Ol22. 118 INCH SPOUT- SA J514,1/81 NCH 37O FLARE -. -_ . AR IX-4104J FIGURE 1. Value (37“ flare fitting). FSC 1650 I . I Provided by IHSNot for ResaleNo reproduction or networking perm
4、itted without license from IHS-,-,-MIL-V-BL740/3 Lb 777770b 0205253 7 I MIL-V-8 1940 / 3 (ME ) . NOTES: 1. Dimensions in inches, unless otherwise specified. See above figure, 2. 3. Tolerances, decimals 2 ,010, angles + 1 degrees. Unless otherwise specified, surface roughness shall not excee.d 125 mi
5、croinches, per MIL-STD-10. Remove all burrs.and break sharp edge6 .O05 minimum. Material shall be in accordance with the procurement specification. 4. REQUIREMENTS: 1. 2. 3. 4. 5. 6. 7. 8. .The valves supplied under this military specification sheet shall conform to MIL-V-81940 of the latest issue i
6、n effect on date of invitation for bid or r.equest for proposal, except, the proof pressure may be 600 psi, the leakage and valve operating pressure may be 300 psi and the impulse operating pressure may be 300 psi. Valve shall be actuated by a rotary type knob or push button. Release- of the knob or
7、 button shall automatically return the valve to the closed position. rotation of 180 degrees. shall be independent of the valve poppet allowing the valve poppFt to close automatically by fluid pressure.upon release or failure of the knob or button return mechanism. Torque required to actuate the rot
8、ary knob type valve to a full. open position shall not exceed 10 inch-pounds with operating psi pressure applied vaive inlet. Force required to actuate the push button type valve to a full open position shall not exceed 25 pounds with operating pressure applied to the valve inlet. Valve shall have a
9、 protective cap with secondary sealing provisions. Protective cap shall include a security chain or equivalent to prevent loss of the cap. Valves qualified under MIL-V-81940 that differ only in the threaded terminations will be acceptable under this slash sheet. Part Number: specification sheet plus
10、 a dash number indicating end fitting. The rotary type knob shall befully opened with a maximum The valve knob or button return mechanism . e The part number consists of the basic number of this M81940/3-1 valve with l/4-inch 37“ fitting. In addition to the marking required in the basic specificatio
11、n, the marking of valves that are limited to 300 psi operating pressure shall include “NOT FOR AEROSPACE APPLICATIONS INTENDED USE: not intended for aerospace applications. applications. This valve is intended for ground ,equipment applications and is See MIL-V-89140/1 for aerospace Custodian: Preparing activity: Army - ME Army - ME Review interest: Army - AT 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
