Slanted-seat valve

body number 15

DN: max. 8
PN max. 400
T max 250°C

(T max. 500oC external spindle thread)
CV ≈ 1,75 (DN8)


Forged slanted-seat valve with screwed non-rosting seat and screwed bonnet for universal applications. For higher temperatures >250oC with external spindle thread or for highest density (for instance TA-Luft) with bellow with security-stuffing box deliverable.

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

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 


All our valves are checked without any exception and certified to EN 10204 - 3.1 specifications.


with external spindle threade:

mit außenliegendem Spindelgewinde


Order Number

S 15
  inlet-code outlet-code
typer body number material code special characters code
S=slanted - seat valve   1 Mat.: carbon steel A105
2 Mat.: stainless steel 316Ti
3 Mat.: heat resistant steel A182-F11;F12

A external spindle thread
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)