PRESSURE RELIEF DEVICE ORDERING SPECIFICATIONS.

MESSKO MPreC PRESSURE RELIEF DEVICE ORDERING SPECIFICATIONS. MESSKO MPreC -Series LARGE MESSKO PRESSURE RELIEF DEVICE (LMPRD) Operating pressure Project/Reference: Gasket material MPreC Typ 4 psi; 0.28 bar ( 28 kpa) LMPRD 04 5 psi; 0.35 bar ( 35 kpa) LMPRD 05 6 psi; 0.41 bar ( 41 kpa) LMPRD 06 8 psi; 0.55 bar ( 55 kpa) LMPRD 08 Standardcover Pin indicator color Nitrile (standard) <=> Red <=> Mineral oil Viton <=> Blue <=> 10 psi; 0.69 bar ( 69 kpa) LMPRD 10 Cover 12 psi; 0.83 bar ( 83 kpa) LMPRD 12 color RAL 7033* 15 psi; 1.03 bar (103 kpa) LMPRD 15 Transformer fluid type Silicon, Pyranol powder coated, RAL 7038* 20 psi; 1.38 bar (138 kpa) LMPRD 20 powder coated, RAL 7033* 25 psi; 1.72 bar (172 kpa) LMPRD 25 30 psi; 2.07 bar (207 kpa) LMPRD 30 powder coated, RAL 7038* Electrical connection * RAL 7033 - cement grey RAL 7038 - light grey No micro-switches or cable glands Cable gland connection: 1x M20x1.5, 1 micro-switch Cable gland connection: 2x M20x1.5, 2 micro-switches Terminal box: 1 cable gland M25x1.5, 1 micro-switch Terminal box: 2 cable glands M25x1.5, 2 micro-switches ANSI connector: 1 micro-switch ANSI connector: 2 micro-switches Westinghouse connector: 1 micro-switch with grounding Westinghouse connector: 1 micro-switch without grounding Westinghouse connector: 2 micro-switches without grounding Bleed screw Options Yes (standard) Offshore model Degree of protection IP 66 (Only available for: No with cable gland connection with cable gland connection or with terminal box) Order No. Sealing gasket Nitrile MS960729xx Order No. Sealing gasket Viton MS211470xx No (standard) alternatively Yes Please enclose this order form filled in the order. TD2067/10/01 EN 1

MESSKO MPreC MESSKO MPreC PRESSURE RELIEF DEVICE TECHNICAL DATA. Type*) PSI bar kpa LMPRD 04 4 PSI ± 1 0.28 bar 28 kpa LMPRD 05 5 PSI ± 1 0.35 bar 35 kpa LMPRD 06 6 PSI ± 1 0.41 bar 41 kpa LMPRD 08 8 PSI ± 1 0.55 bar 55 kpa LMPRD 10 10 PSI ± 1 0.69 bar 69 kpa LMPRD 12 12 PSI ± 1 0.83 bar 83 kpa LMPRD 15 15 PSI ± 2 1.03 bar 103 kpa LMPRD 20 20 PSI ± 2 1.38 bar 138 kpa LMPRD 25 25 PSI ± 2 1.72 bar 172 kpa LMPRD 30 30 PSI ± 2 2.07 bar 207 kpa *) LARGE MESSKO PRESSURE RELIEF DEVICE (LMPRD) MESSKO MPreC Materials Flange Technical data Seawater resistant cast aluminum Seawater resistant aluminum, powder coated in RAL 7033 or RAL 7038 Seawater resistant cast aluminum, powder coated in RAL 7033 or RAL 7038, Nitrile (NBR) cover and flange seals are included in the range of delivery Valve disk Stainless steel Seals Lip sealing Springs Indicator pin Bleed screw Dimensions Nitrile (standard); Viton (optional) Viton Spring steel acc. EN 10270-1 SH, synthetic coated (cathodic corrosion protection) Seawater resistant aluminum, red color for standard gasket (nitrile), blue for viton design Stainless steel, powder coated in RAL 1026, lime-yellow Stainless steel for oil bleeding or alternatively without bleed screw Mounting Ø 235 mm (Ø 9.25 ) pitch hole circle for 6 fixing holes Ø 15.5 mm (Ø 0.61 ) Cover Heights please refer to page 5 Ø 291 mm (Ø 11.46 ) standard cover, Ø 295 mm (Ø 11.61 ) oil-directed cover Mounting gasket optional accessory available in nitrile or viton, Ø 200 mm x Ø 178.5 mm x 4.25 mm (Ø 7.87 x Ø 7.03 x 0.17 ) Operating temperatures Ambient Oil -30 C to +120 C Micro-switches Contacts Housing material Utilization category Contact load Max. continious current Rated insualtion voltage -40 C to +80 C (mechanical); -40 C to +80 C (micro-switches) Per micro-switch 1 x NO, 1 x NC; galvanically isolated Seawater resistant aluminium IEC 60947-5-1: AC-15 / DC-13 As per IEC 60947-5-1: AC: 240 V / 3 A; 120 V / 6 A DC: 250 V / 1.1 A; 125 V / 2.2 A 10 A AC: 2,500 V / 1 min. 2 TD2067/10/01 EN

MESSKO MPreC PRESSURE RELIEF DEVICE CONNECTION DATA. Cable gland connection versions: - 1 micro-switch (only micro-switch 1) - 2 micro-switches (both micro-switches) micro-switch 2 micro-switch 1 micro-switch 2 micro-switch 1 micro-switch 1 micro-switch 2 View into open oil-directed cover (OD) MESSKO MPreC Connection data Cable gland All M20 x 1.5 (wrench size 24 mm) for cables Ø 8...15 mm 1 micro-switch 1 x M20 x 1.5 micro-switch, 1 x M20 x 1.5 standing plate 2 micro-switches 2 x M20 x 1.5 micro-switch, 2 x M20 x 1.5 standing plate Degree of protection IP 65 acc. to IEC 60 529 (cover mounted) IP 66 acc. to IEC 60 529 (optional; cover mounted) Terminal clamps Single core: 0.5...2.5 mm², AWG 20-10 or Lead with ferrule: 0.5...1.5 mm², AWG 20-15 ANSI and Westinghouse - connectors ANSI connectors Westinghouse connectors 1 micro-switch 1 micro-switch (without grounding) 1 micro-switch (with grounding) Pin 2 (red) Pin 3 (blue) Pin 4 (green) Pin 6 (white) Pin 3 (green) Pin 7 (white) Pin 5 (red) 2 micro-switches Pin 4 (orange) 2 micro-switches (without grounding) Pin 5 (blue) Pin 8 (green) Pin 2 (red) Pin 5 (yellow) Pin 6 (orange) Pin 2 (white) Pin 3 (blue) Pin 6 (brown) Pin 1 (red) Pin 4 (black) TD2067/10/01 EN Connector MESSKO MPreC Cable Degree of protection Connection data 16 AWG, SOOW, 600 V Customized length on demand (24...240 standard) 3 x AWG 16, cable Ø 10 mm or 6 x AWG 16, cable Ø 17 mm IP 65 as per IEC 60 529 (cover mounted) 3

MESSKO MPreC MESSKO MPreC PRESSURE RELIEF DEVICE CONNECTION DATA. Terminal box versions: - 1 micro-switch (only micro-switch 1) - 2 micro-switches (both micro-switches) MESSKO MPreC Connection data 1 micro-switch: 1 x M25 x 1.5 Cable gland 2 micro-switches: 2 x M25 x 1.5 IP 65 acc. to IEC 60 529 (cover mounted) Degree of protection IP 66 acc. to IEC 60 529 (optional; cover mounted; and only with oil-directed cover) Terminal clamps Single core: 1...4 mm², AWG 18-8 Lead with ferrule: 0.5...2.5 mm², AWG 20-10 MESSKO MPreC Materials Stainless steel Signal color Powder coated in lime-yellow RAL 1026 Position ALARM Position OPERATION TD2067/09/01 EN 4

MESSKO MPreC PRESSURE RELIEF DEVICE DIMENSIONS. Dimensions Standard Cover 6x 60 (=360 ) 60 50 / 1.97" 340 / 13.39" A-A 6x Ø 15,5 / 0.61 " A Ø 235 / 9.25 " Ø 265 / 10.43 " 184,5 / 7.26" 3,2 / 0.13" 230 / 9.06" Ø 170 / 6.69" 13 / 0.51" A Montagedichtung Mounting gasket Ø200 x Ø178,5 x 4,25 (Ø7,87" x Ø7,03" x 0,17") Dimensions Oil-Directed Cover B O 295 11.59" O 235 9.25" 53 2.09" 6x O 15,5 0.61" 161 6.34" 3x M12, 25mm tief [0.98" deep] 204 8.01" 3x 120 (=360 ) Position "ALARM": ca./approx. 246 [9.96"] Position "ALARM": ca./approx. 342 [13.46"] 13 0.51" O 90 3.54" O 120 4.72" 150 O 5.87" B 80 3.12" 5 TD2067/09/01 EN

Flanges for oil-directed cover MESSKO MPreC Flange with internal thread Material Stainless steel 1.4301 Order-No. 203000 MESSKO MPreC Welding flange Material Stainless steel 1.4301 Order-No. 203010 Messko GmbH Gewerbegebiet An den Drei Hasen Messko-Platz 1 61440 Oberursel, Germany Phone: +49 6171 6398 0 Fax: +49 6171 6398 98 Email: messko-info@reinhausen.com www.reinhausen.com/messko Please note: The data in our publications may differ from the data of the devices delivered. We reserve the right to make changes without notice. THE POWER BEHIND POWER. TD2067/10/01 EN MESSKO MPreC MS99089907 12/16 Messko GmbH 2016