Bolted cover, Swing type disc, Welded or threaded seat ring.

 

Description:

Design and manufacture: ANSI B16.34 and 　　　　　　　　　　　　　　API 6D or 　　　　　　　　　　　　　　BS 1868

Test and inspection: API 598 .

Face to face dimensions: ANSI B16.10

End flange dimensions: ANSI B16.5

Butt-welding ends: ANSI B16.25

Size: 2" ~ 24"

Materials of body/bonnet and trim

Body/bonnet

WCB, LCB, LCC, WC1, WC6, WC9, C5, C12, CF8, CF8M, CF3 and CF3M etc.

Trim (Disc/body seat)

F6/F6, 304/304,304L/304L, HF/HF, F6/HF, Monel/Monel, 316/316,316L/316L, Monel/HF and 316/HF etc.

Standard materials of parts

No.

Parts

Materials

1

Body

A216 WCB

2

Seat ring

A105 + F6

3

Disc

A216 WCB + F6

4

Disc nut

A182 F6

5

Hinge

A216 WCB

6

Hinge pin

A182 F6

7

Gasket

Stainless steel and graphite spiral wound

8

Cover

A216 WCB

9

Cover bolt

A193 B7

10

Cover nut

A194 2H

11

Washer

Steel