Shut-off valves

body number 7

DN: max 8
PN max. 400
T max 250°C
CV ≈ 1,0 (DN8)

(T max. 500oC external spindle thread) 

Forged valve with screwed stainless steel seat and screwed bonnet for universal applications. For higher temperatures (>250oC) with external spindle thread or for highest tightness (e.g. TA-Luft) with bellow and security-stuffing box available.

part list

part no. designation material
1 2 3
1 body, forged A105 316Ti A182-F11;F12
2 seat interchangeable 430F 316Ti
3 spindle roll sealed 430F 316Ti
3.1 cone, rolled into, movable SS 316Ti
4 screwed bonnet housing 1035 316Ti A182-F11;F12
5 scraper ring Novapress
6 packing graphite1) PTFE2) graphite1)
7 gland 1213 316Ti 316Ti
8 union nut 1213 316Ti 303
9 handwheel moulded plastic3)
10 nut galvanized steel SS galvanized steel
13 seal mild steel 316Ti mild steel

1) On request: ptfe-packing; max 200°C for all fittings or
2) free of oil and grease: oxygen packing max. PN 250
3) On request: steel sheet or tommy 


Our valves have rolled, movable cones. Thats why they do not rub against each other. Security for durable and high levels of thightness.

with external spindle thread

mit außenliegendem Spindelgewebe


Order Number

A 7
  inlet-code outlet-code
type body number material code special characters code
A=shut-off valves   1 Mat.:
carbon steel A105

stainless steel 316Ti

heat resistant steel A182-F11;F12

A external spindle thread
E venting
F bellow
G bar (instead of handwheel)
H handwheel of steel sheet
K lock nut
L bracket
PT german TA-Luft
R adjusting cone (needle, parabola cone)