http://www.ec21.com/ec-market/a216-wcb/13cr.html http://ddung.en.ec21.com/CS_Floating_Type_Ball_Valve--4187589_4187616.html13Cr, 304, 316 etc. * Materials: Carbon Steel: ASTM A105, ASTM A216 WCB, ASTM A217 WC6, ASTM A217 WC9, ASTM A217 C5,20100320 http://zhoudexuan2007.en.ec21.com/Sell_API_Full_Bore_Flange--2576485_2993353.html ANSI/API Flange Gate Valve(sales#chinayideli com) Shell: ASTM A216-WCB ? SS304 ? SS316 Disc:WCB SS304 SS316 Ste20100318 http://fanjinqiang.en.ec21.com/API6D_FB_RB_Ball_Valve--2626331_3328846.html13Cr, 304, 316 etc. * Materials: Carbon Steel: ASTM A105, ASTM A216 WCB, ASTM A217 WC6, ASTM A217 WC9, ASTM A217 C5,20100225 http://enyatang.en.ec21.com/API_Casting_Check_Valve--3964361_3969438.htmlWCB , A351 CF8 , 351 CF8M , A351 CF3 , A351 CF3M , Disc: A216 WCB+13Cr , A216 WCB+HF , A351 CF820091216 http://jacyluo2008.en.ec21.com/API_Gate_Valve--2804329_2847480.htmlA216 WCB Bonnet: ASTM A216 WCB Disc: ASTM A216 WCB +13Cr or ASTM A216 + STL Handwheel: Ductile Cast Iron Packing: Graph20091102 http://leftmood.en.ec21.com/Butterfly_Valve--3867044_3867077.htmlWCB LCB WC6 WC9 C5 CF8 CF8M CF3 CF3M Body A216 WCB A352 LCB A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 20091010 http://ycvalve.en.ec21.com/Cast_Steel_Globe_Valve_J41H--3701126_3701242.htmlA216 WCB Size: 6inch Pressure: 300LB Connection: Flange Structure Type: Through way type Trim: 1#/F6a/13CR Driving Mod20090728 http://aasuyun.en.ec21.com/Global_Valve--1637386_3669081.htmlA216 WCB+13Cr;ASTM A351 CF8,ASTM A351 CF8M; Disc: ASTM A216 WCB+13Cr or ASTM A216 WCB+STEEL,ASTM A351 CF8 Hand wheel: C20090714 http://usapeople.en.ec21.com/Swing_Check_Valve--1877770_3135506.htmlA216 WCB ASTM A351 CF8 Disc and Yoke WCB CF8 CF8M Monel Hinge pin F6a F304 F316 Monel F304 Disc face 13Cr 13Cr STL 304 20081209 http://boteli.en.ec21.com/Gate_Valve--326347_415792.htmlA216-WCB ASTM A351-CF8 Disc WCB CF8 CF8M Monel Stem F6a F304 F316 Monel F304 Disc facing 13Cr 13Cr STL 304 STL 304 S20061031