Shut-off valve

body number 11

DN: max 14
PN max. 400
T max 250°C
CV ≈ 2,65 (DN12)

(T max. 500oC external spindle thread)

Bigger forged valve with screwed stainless steel 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 available.

part list

part no. designation material
1 2 3 5 7
1 body, forged A105 316Ti A182-F11;F12 A182-F1 A182-F22
2 seat interchangeable 403F 316Ti
3 spindle roll sealed 403F 316Ti
3.1 cone, rolled into, movable SS 316Ti
4 screwed bonnet housing 1035 316Ti A182-F11;F12
5 scraper ring Novapress
6 packing graphite 1) PTFE 2) graphite  1)
7 gland 1213 316Ti 316Ti
8 union nut 1213 316Ti 303
9 handwheel moulded plastic 2)
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 bar. 

scale

Our valves have stainless steel internal parts. This is the guarantee for problem- free application over many years.

with external spindle thread

tl_files/bollin/img/products/a/A11-klein.png


tl_files/bollin/img/products/a/A11-Diagramm.png 

Order Number

A 11
  inlet-code outlet-code
type body number material code special characters code
A=shut-off valves   1 Mat.:
carbon steel A105

2
 Mat.:
stainless steel 316Ti

Mat.:
heat resistant steel A182-F11;F12

5
 Mat.:
heat resistant steel A182-F1

7
 Mat.:
heat resistant steel A182-F22
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)