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Crankcase Relief Valve
Model
-
Series
Crankcase Relief Valve
Product Description

Structure




Function



<Crankcase relief valve's Function>

• Relief valves type HWG protect man and engine in the event of an explosion
• AS internal pressure of the MAIN ENGINE & GENERATOR have became more than 0.05bar, The disc is opened and the 
  excess pressure gas and flames were emitted.
• Relief valve disconnects oil & gas and prevents the emission of flames.
• Relief vavle returns oil disconnected to the inside crankcase
• Crankcase relief valve's Function
   1. Crankcase relief valve protect man and engines in the event of an explosion of diesel engines. In the event of an explosion.
       Relief valve opens immediately to protect the crankcase damage thus preventing a secondary explosion
   2. Crankcase relief valve closes absolutely tight after explosion thus preventing oxygen or dirt to get entrained
       into the crankcase.












Product Items

Competition
SeparationDual Passage Structures enables excellent Flame disconnections & improved Cooling effects
StructureLamellar structures enables excellent Block, Stability and Safety Excellent durability to explosive pressure
ResistanceThe protrusion of the Lamellar is inserted at the groove of the Seat to stop any movement even during explosion
StandardInner and outer lamella design applied for all ranges of Crankcase Relief Valves products
StrengthStrengthening the Disc stiffness and the Disc structure enabled Open Pressure to maintain even after a secondary explosion

ModelOutflow
Area(㎠)
ØD1(mm)ØD2(mm)ØD(mm)h(mm)H(mm)D(mm)Mounting
Bolt
P.C.D.(mm)Approx.
weight(kg)
HWG-735(H)3904969705100828831842512-M16795245
HWG-645(H)299087161791025028037812-M16700190
HWG-565(H)2299784541823222.5252.533512-M16615153
HWG-48016626994607381872152878-M16530117
HWG-4201257636(605)4006781671912518-M1646593
HWG-3458305563255951471642146-M1639072
HWG-320731510(605)305547137154197.56-M1235559
HWG-266499418252435101.3109.91706-M1230226
HWG-22434637121039289.396.61426-M1225522
HWG-20428435119036779.386.6132.56-M1223520
HWG-17320131916033570.877.81156-M1020314
HWG-16217730615032264.371.31076-M10190.513
HWG-1229526211027855.361-6-M81509


Eye bolts from HWG-345                                                                       Delivery scope does not include mounting bolts
(H) Means Hinged type explosion relief valve









Product List
Crankcase Relief Valve