美国NIBCO尼必可F-667-O,250磅级铸铁阀体闸阀简介

285 PSI WWP Ductile Iron Body Gate Valves
Fire Protection Valve ? Raised Face Flanges Class 150 ? Bolted Bonnet ?
Outside Screw and Yoke ? Solid Wedge ? B584 Bronze Trim
285 PSI/19.7 Bar Non-Shock Cold Working Pressure
to -20o F to 100o F/-29o C to 38o C
TESTING SPECIFICATION TO MSS SP-128
?PART SPECIFICATION
1.?Stem Copper Alloy, ASTM B371 C69430
2.?Nut, Handwheel Cast Copper Alloy, ASTM B584 C84400
3.?Nameplate, I.D.?Aluminum
4.?Handwheel, Blue Cast Iron, ASTM A126-B
5.?Bushing, Yoke Cast Copper Alloy, ASTM B584 C84400
6.?Screw, Hex - Bonnet Cap Steel, ASTM A307 / SAE J429
7.?Cap, Bonnet Ductile Iron ASTM A536
8.?Grease Fitting (Not Shown) Steel
9.?Nut, Square - Bonnet Cap Steel, ASTM A563
10.?Bonnet Ductile Iron ASTM A395
11.?Nut, Heavy Hex - Gld Follow Steel, ASTM A563
12.?Gland Follower Ductile Iron ASTM A536
13.?Pack Gland Powdered Metal ASTM B783
14.?Pack Ring Synthetic Fiber / PTFE
15.?Bolt, Sq Head - Gld Follow Steel, ASTM A307 / SAE J429
16.?Screw, Hex - Body Steel, ASTM A193 / SAE J429
17.?Gasket, Body Synthetic Fiber / Nitrile
18.?Nut, Hex - Body Steel, ASTM A194 / SAEj995
19.?Collar, Stem Copper Alloy, ASTM B371 C69400
20.?Pin, Wedge Copper Alloy, ASTM B140 C31600
21.?Ring, Seat - Wedge Cast Copper Alloy, ASTM B584 C84400
22.?Wedge Ductile Iron ASTM A395
23.?Ring, Seat - Body Cast Copper Alloy, ASTM B584 C84400
24.?Body Ductile Iron ASTM A395
1 Sizes thru 8", Yoke and Bonnet are intergral. 10" and 12" sizes separate Yoke is bolted to Bonnet. 2 Sizes 2" thru 6" have Cast Copper Alloy Wedges. Sizes 8" thru 12" made with Ductile Iron Wedge with Cast Copper Alloy Face Rings. 3 Lugs may be removed per customer&＃39;s request - POA.