Main Parts

WCB/A105

Series

WCB/304

Series

WCB/316

Series

CF8/304

Series

CF8M/316

Series

LCB/LF2

Series

Body

A216-WCB
ASTM-A105

A216-WCB
ASTM-A105

A216-WCB
ASTM-A105

A351-CF8
A182-F304

A351-CF8M
A182-F316

A352-LCB

Cap

A216-WCB
ASTM-A105

A216-WCB
ASTM-A105

A216-WCB
ASTM-A105

A351-CF8
A182-F304

A351-CF8M
A182-F316

A352-LCB

Ball

A216-WCB+HCr
ASTM-A105H

A351-CF8
A182-F304

A351-CF8
A182-F316

A351-CF8
A182-F304

A351-CF8M
A182-F316

A352-LCB+HCr
LF2+HCr(ENP)

Seat

PTFE, PPL, NYLON, PEEK, Graphite, Metal/Metal

Seat Retainer

A105+HCr
A105+ENP

A182-F304

A182-F316

A182-F304

A182-F316

LF2+HCr(ENP)

Spring

304 / 316 / 17-4H / Inconel-X750

O-ring

NBR

Viton
SI

Viton
SI

Viton
SI

Viton
SI

SI

Thrust bearing

304+PTFE

Gland

ASTM-A105

ASTM-A105

ASTM-A105

A182-F304

A182-F316

A352-LCB
CF2

Packing

PTFE or Graphite (for firesafe service)

Stud

A193-B7

A193-B7

A193-B7

A193-B8

A193-B8M

A320-L7

Nut

A194-2H

A194-2H

A194-2H

A194-8

A194-8M

A194-4

Key

45

45

45

SOS329

SOS329

SOS329

Gasket

PTFE, 304(316)+Graphite