logo
                                                            About us                    Valve                Test Bench        Valve Fittings        Contact us           Feedback           
        Valve
        Gate Valve
        Globe Valve
        Check Valve
        Ball Valve
        Butterfly Valve
        Forged Steel Valve
        Valve Test Bench
        YFT Type
        YFT-A Type
        YFT-B Type
        YFT-C Type
        YFT-T Type
        YFT-Z Type
        Valve Fittings
        Valve handwheel
        Valve handle
        Bevel gears
        Worm wheel
        Nut series
lab2  

NO Parts name Materials(ASTM)
WCB/Trim 1 WCB/Trim 5 WCB/Trim 8 CF8/304 CF8M/316
1 Body A216 WCB A351 CF8 A351 CF8M
2 Gastet Soft Iron+Graphite or 304+Graphite 304+Graphite
3 Seat ring A105+13Cr A105+STL A105+STL A351 CF8 A351 CF8M
4 Gate A216WCB+13Cr A216WCB+STL A216WCB+13Cr A351 CF8 A351 CF8M
5 Stem A182F 6A A182F 6A A182F 6A A182F304 A182F316
6 Backseat bushing A182F 6A A182F 6A A182F 6A A182 304 A182 316
7 Packing Graphite
8 Gland A812F 6A A812F 6A A812F 6A A182F304 A182F316
9 Bolt A193B 7 A193B 7 A193B 7 A193B 8 A193B 8M
10 Nut A194 2H A194 2H A194 2H A194 8 A194 8M
11 Pin A36 A36 A36 304SS 304SS
12 Gland flange A216 WCB A216 WCB A216 WCB A351 CF8 A351 CF8M
13 Bonnet bolt A193 B7 A193 B7 A193 B7 A193 B8 A193 B8M
14 Bonnet nut A194 2H A194 2H A194 2H A194 8 A194 8M
15 Bonnet A216WCB A216WCB A216WCB A351 CF8 A351 CF8M
16 Nipple Carbon steel
17 Stem nut A439 D2
18 Yoke nut Carbon steel
19 Hand wheel Ductile Iron
20 Hand wheel nut Carbon steel
21 Set screw A193 B7
Note: The chart above only lists out main composition of steel gate valve parts. We provide other different parts material composion according to customer's or the actual valve working condition.
COPYRIGHT @ FOREVER STARS OF HYDRAULIC CO.,LTD
Address: Oubei, Wenzhou, Zhejiang, China.
Tel:+86 577 67317333 Fax:+86 577 67310059
E-mail: benqpan@gmail.com