Emerson EZH and EZHSO Series Pressure Reducing Regulators Instruction Manual

OS2 NACEInstruction ManualNTAOS2NACE06031March 2006CONTENTSRelease Relay (OS2) ... 1 to 3Intr

OS2 NACE10Diaphragm Bellows Piston Piston NACESpring case Zinc pl steel Stainless steelSpring box Aluminium + ChromatationDiaphragm Nitrile meshPiston

OS2 NACE11YXD2D1123456 7ADJUSTMENT (BMS)Generally speaking, adjustments are carried out with the slamshut valve closed. Only the detection stage is re

OS2 NACE12© Francel S.A. 2006, printed in France by MARCOM FrancelCharacteristics, dimension and diagrams only commit Francelafter written confirmatio

OS2 NACE2MECHANISM BOX (BM)The mechanism box is designed to close a slam shut valve. Theoperation is ensured in two successive stages: a detection sta

OS2 NACE3BMS 1BMS 2185120A A134B166BAccuracyAG 2.5 Diaphragm or bellowsAG 5 PistonMemorization No memorizationResistance to vertical shocks 4 J (20 sh

OS2 NACE4Packing glandDescription ValveOSB VSE StandardAssembly 181 089 181 090 181 104Packing gland and stem 181 040 181 040Packing gland 144 126O-ri

OS2 NACE5Body Aluminium ChromatationCover Aluminium ChromatationBoxPosition indicator PolycarbonateSelf-jamming ring Steel PhosphatationCover nut Stai

OS2 NACE6Versions Installation Sealing Connection Mechanical connectionsElectrical connectionsCommon NF NO ConnectionC0 IP 68 Without 1/2 NPT capC1 Ex

OS2 NACE7Action by Max. only Min. onlyMax. &Min.BMS 1Releasing screw Active Neutral ActiveHook Neutral Active ActiveBMS 1Releasing screw ActiveHoo

OS2 NACE8PressureBMS 1 BMS 2Hook HookNormalWithout D2 pin Without D1 pincontact contactDecrease With D2 pin contact With D1 pin contact= Set point Rot

OS2 NACE9BMS SPRING MAX. & MIN.PMSØ wire P setting (bar)Type Size box CodeMin. low pt. Max. hi