Cast Iron Gate Valves PN 16 Bolted Bonnet, Outside screw & yoke, Rising stem, Solid wedge disc. Description: Design and manufacture: BS5150, BS5163 Face to face dimensions: Series 3 of BS5150 Flanged end: BS4504 Size: DN50 ~ DN600 Safe working pressure:1.6 MPa Suitable medium: water, oil and gas

Standard materials of parts

No.	Parts	Materials	British Standard
1	Body	Cast iron	BS1452 Gr220
2	Seat ring	Cast bronze	BS1400 LG2
3	Wedge face ring	Cast bronze	BS1400 LG2
4	Wedge	Cast iron	BS1452 Gr220
5	Stem	Brass	BS2874 CZ122
6	Body gasket	Graphite
7	Bolt	Steel	BS970 43A
8	Nut	Steel	BS970 43A
9	Bonnet	Cast iron	BS1452 Gr220
10	Backseat bushing	Cast brass	BS1400 PCB1
11	Packing	Graphite
12	Packing gland	Cast brass	BS1400 PCB1
13	Gland follower	Ductile iron	BS2789 Gr420-12
14	Gland follower bolt	Steel	BS970 43A
15	Nut	Steel	BS970 43A
16	Cast bronze	Cast bronze	BS1400 LG2
17	Screw	Steel	BS970 43A
18	Yoke bushing nut	Cast iron	BS1452 Gr220
19	Handwheel	Cast iron	BS1452 Gr220
20	Handwheel nut	Ductile iron	BS2789 Gr420-12

> Dimensions and weight <