Industrial Product Guide - Nabic
Industrial Product Guide - Nabic
Industrial Product Guide - Nabic
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BUTTERFLY VALVES<br />
PN16<br />
Fig. 970<br />
Fully-lugged Wafer Pattern<br />
970, 970G<br />
FEATURES & BENEFITS<br />
• Available up to DN600<br />
• Valve body fully-lugged<br />
• Long neck for insulation<br />
• Maintenance free<br />
• Good control characteristics<br />
MATERIAL SPECIFICATION<br />
Component Material Specification<br />
BS EN<br />
ASTM<br />
Body Ductile Iron 1563 EN-JS1040 A536 65-45-12<br />
Shaft Stainless Steel 10088-1 X5GNi18-10 A276 TYPE 410<br />
Disc Aluminium Bronze 1982 CC333G B148-C95300<br />
Bushes PTFE - -<br />
(up to 100mm)<br />
125mm Bronze - -<br />
and above (lubricated)<br />
O-Ring Buna N - -<br />
Liner EPDM - -<br />
PRESSURE/<br />
TEMPERATURE RATING<br />
PN16 from -10 up to 130ºC<br />
TEST PRESSURES<br />
Hydrostatic<br />
Body: 24 bar<br />
Seat: 17.6 bar<br />
SPECIFICATION<br />
Conforms to BS EN 593:2009.<br />
Fully-lugged.<br />
Lever or gearbox.<br />
Valves DN250 and larger supplied as standard<br />
with fully enclosed gear operator.<br />
Valves may be used for flow regulation.<br />
Fig 970 and 970G are suitable for Group 1 and<br />
2 gases and Group 1 and 2 liquids as defined<br />
by the Pressure Equipment Directive 97/23/EC.<br />
DIMENSIONAL DRAWINGS<br />
J<br />
G<br />
F<br />
K<br />
A<br />
H<br />
D<br />
DIMENSIONS & WEIGHTS<br />
Nom<br />
Size mm 50 65 80 100 125 150 200 250 300 350 400 450 500 600<br />
A mm 43 46 46 52 56 56 60 68 78 78 102 114 127 154<br />
D mm 165 185 200 220 250 285 340 405 460 520 580 640 715 840<br />
F mm 264 272 279 301 314 345 369 - - - - - - -<br />
G mm 250 250 250 250 250 315 315 - - - - - - -<br />
H mm 182 190 197 219 232 254 278 281 306 354 408 433 458 557<br />
J mm 123 123 123 123 123 123 123 228 228 228 305 305 305 305<br />
K mm 125 125 125 125 125 125 125 300 300 300 400 400 400 400<br />
Shaft size A/F mm 10 10 10 12 12 16 16 24 24 24 30 30 30 30<br />
Weight lever kg 4.6 5.4 7.2 8.8 12 14 20 - - - - - - -<br />
Weight geared kg 5.4 6.2 8.0 9.6 12 15 21 33 45 55 91 111 136 225<br />
Pressure bar<br />
18<br />
16<br />
14<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
0 20 40 60 80 100 120 140<br />
T emperature ˚ C<br />
Every effort has been made to ensure that the information contained in this publication is accurate at the time of publishing. Hattersley Ltd assumes no responsibility<br />
or liability for typographical errors or omissions or for any misinterpretation of the information within the publication and reserves the right to change without notice.<br />
10<br />
Technical Helpline: 0845 604 1790<br />
E: tech-enquiries@hattersley.com W: www.hattersley.com