MC9-SEAL CHAMBER 1ST stage The MC9-SEAL CHAMBER 1ST stage is environmentally sealed, protecting it against icing in cold water and against contamination from particulate matter in silty conditions.TOTAL WEIGHT XS COMPACT PRO MC9-SC INT hose included: 943 gr XS COMPACT PRO MC9-SC DIN hose included: 803 grTECHNICAL FEATURES 1ST STAGE - Balanced diaphragm (seal chamber for MC9SC) - 2 outlets HP 7/16 UNF - 4 outlets MP 3/8 UNF - Service pressure: 300 bar (4350 psi) DIN version, 232 bar (3365 psi) Yoke version - Calibration pressure: 10 Bar - Brass body Electroless Nickel plated - High capacity conical filter electroless nickel plated - Aisi 316 removable nozzle - Hyper-balancing - Anti-pressure drop pneumatic spring - Setting spring: stainless steel with micropeening treatment - Replaceable cylinder with anti-friction and anti-corrosion properties - Elastomer protector - Flow rate: 4500 l/min - Yoke version weight: 650 gr - Din version weight: 510 grTECHNICAL FEATURES 2ND STAGE - Downstream system - Adjustable venturi effect - Patented antifriction lever - Patented sealing washer - Big purge button - Anti-scratch surface - Bayonet-type cap holder with security lock - Stainless steel cover - Removable exhaust tee without tools - Weight without hose: 140 grCOMBINATION PERFORMANCE - Average Cracking effort 7.5 mbar - Average breathing effort 1.2 J/lJACKETED HOSE extremely light and flexible weight: 153 grCERTIFICATION EN250/2000 for cold water