PRODUCT DATA SHEET As a part of a continuous commitment to product development the company reserves the right to alter the specification of its products without prior notice. F7023-621 | 4” ( DN100) PNEUMATIC, COMPACT PRESSURE BALANCED EMERGENCY VALVE Low pressure drop, compact 90 degree elbow body, internal air cylinder, sequenced operation durability and stringent quality control ensure that this pressure balanced emergency valve offers a long and trouble free life. F7023-621 FEATURES & BENEFITS Compact Elbow Body High quality die cast body and component materials to international standards are used for durability and performance. Lightweight aluminium construction for increased payloads – 6.12 kg. External shear groove meets TTMA and NTTC DOT 406 to limit product spillage in the event of an accident. Closure – pressure balanced to close against flow or remain closed until signalled to open by pneumatic control. Self-centring plunger and durable compression spring. Removable bonnet assembly enables easy seal change. Parts common to other valves in our range to minimise spares inventory. Flanges to TW standard. Screen filter fitted as standard to prevent seal damage. Manual opening device for discharge of cargo in the event of air supply failure. Hydrodynamic body design minimises pressure drop to give high flow rate. Sequenced air cylinder provides positive open/closed indication. Viton seals are standard for compatibility with high-octane fuels and additives. Easy servicing allows the air cylinder piston assembly to be replaced without removing the valve from the tank pipe-work. * * * * * * * * * * * * * * * Shear groove meets TTMA and NTTC DOT 406 CEN Flanges to TW Standard * * * APPROVALS WHEN SPECIFYING EMERGENCY VALVES FOR YOUR VEHICLE, THE FOLLOWING POINTS SHOULD BE CONSIDERED: The F0026004 Steel Emergency Valve Sump is available to suit this valve. Pneumatic equipment to operate the emergency valve is available from us. Inlet and outlet flange gaskets to suit this valve are available and need to be ordered separately. * * * Sheet Ref. CSF7023621 May 2006 Revision 0 EMCO WHEATON UK Limited Channel Road · Westwood Industrial Estate Margate, Kent CT9 4JR · UK Phone + 44 1843 221521 · Fax +44 1843 295444 www.emcowheaton.com · [email protected]
RkJQdWJsaXNoZXIy NDE1MjE4