Product Handbook 2026 - Volume 1

44

Control systems Control valves

Materials

14

7

11 8

12

6

13

2

10 9

1

4

5

3

4.1 176

No. Part

Material

Connection

1 2 3 4 5 6 7 8 9

Body

Carbon steel

Screwed (BSP/NPT/SW/BW)

A105N/1.0460

Bonnet

Carbon steel

Screwed (BSP/NPT/SW/BW)

A105N/1.0460

Lower sealing rings

Graphite laminate/Stainless steel

Upper sealing rings

Graphite laminate/Stainless steel

Lantern bush

Stainless steel

EN 1.4057/AISI 431

Piston

Stainless steel

EN 1.4057/AISI 431

Handwheel

Carbon steel

Handwheel nut

Carbon steel

Stud bolt

Carbon steel

ASTM A193 B7

10 Nut

Carbon steel

ASTM A194 2H

11 Washer

Stainless steel

12 Name-plate

Stainless steel

13 Belleville washer

Stainless steel

14 Blind nut

Carbon steel

TI-P118-06 CMGT Issue 7

Page 2 of 4

PV4 Piston Valve

Powered by