|
|
|
National Stock Number:
4820-01-258-9355
Federal Supply Class:
4820
National Item Identification Number:
012589355
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
|
Manufacturer Information:
| B1221E-3IN | 30263 | PIMA VALVE, LLC |
|
Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 6.000 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | BOLTED | | CONNECTION TYPE | FLANGE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FACE TO FACE DISTANCE | 9.000 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A494,GR -30H ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | COPPER ALLOY 922 OR COPPER ALLOY 836 BODY | | MATERIAL | NICKEL ALLOY 400 STEM | | MATERIAL | NICKEL ALLOY SEAT | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MOUNTING FACILITY | BRACKET | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.625 INCHES ALL ENDS | | SPECIAL FEATURES | MONEL TRIM | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 3.000 INCHES | | VALVE OPERATION METHOD | MANUAL |
|
|