BiSisaninternationallyrecognisedcompanywithover30yearsexperienceinthedesignandmanufactureofawiderangeof***allborestainlesssteelpressureandflowcontrolvalvesforhighpressureliquidandgas.Operatinginavarietyofsectors,wearealeadingsuppliertotheOffshoreOilandGasindustryfortopside,subseaanddownholeapplicati***wherequality,reliabilityandsafetyarecritical.Withanextensiverangeofstandardproductsandabespokedesignserviceweaimtoprovidethesoluti***foryourapplicati***.英国BIS阀门有限公司成立于1971年，主要提供工业流体控制产品，作为一个***的流体控制***，不断的为客户提供优质的产品与服务。针对高压液体和气体，公司不断的研发一系列的小口径不锈钢压力阀，在石油，***工业，海底和井下应用非常广泛。BIS液压元件：电磁阀、计量阀，3位换向阀、4位换向阀、止回阀，单向阀、溢流阀、流量控制阀、过滤器、压力传感阀、泵，执行器等。Weofferacomprehensiverangeofsafetyreliefandreliefvalvesforuseonawiderangeofmedia,fromlowpressurevalvesthatventtoatmosphere,tohighpressure(1379bar,20,000psi)pipedreturnvalves.Typically,lowpressurevalvesofferapop-openstylecharacteristic,whilehigherpressurevalvesofferproportionalormeteringstyleoperation.BiSreliefvalvesareCEmarkedtodenoteapprovalasCategoryIVsafetyaccessoriesunderthe97/23/ECPressureEquipmentDirective.Manyopti***are***ailable,includingcartridgeandmanifoldmountedversi***,andmanyvalvesare***ailableinexoticmaterialsviathefactory,includingmonel,inconel,hastelloyandtitanium.SAFETYRELIEFVALVE(L.P.)(S25)1/4"StainlessSteelVenttoAtmosphereStyleSafetyReliefValveforSetPressuresfrom0.7to40bar,withLiquidorGas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(S37)3/8"StainlessSteelVenttoAtmosphereStyleSafetyReliefValveforSetPressuresfrom0.7to40bar,withLiquidorGas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(S50)1/2"StainlessSteelVenttoAtmosphereStyleSafetyReliefValveforSetPressuresfrom0.7to40bar,withLiquidorGas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(S75)3/4"StainlessSteelVenttoAtmosphereStyleSafetyReliefValveforSetPressuresfrom0.7to40bar,withLiquidorGas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(S100)1"StainlessSteelVenttoAtmosphereStyleSafetyReliefValveforSetPressuresfrom0.7to18bar,withLiquidorGas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(***25UF-RG)LowFlowStainlessSteelVenttoAtmosphereStyleSafetyReliefValvewithRelievingGearforsetpressuresfrom0.7to19bar,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(TS25)1/4"StainlessSteelSafetyReliefValveforsetpressuresfrom0.7to40bar,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(TS37)3/8"StainlessSteelSafetyReliefValveforsetpressuresfrom0.7to40bar,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(TS50)1/2"StainlessSteelSafetyReliefValveforsetpressuresfrom0.7to40bar,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(TS75)3/4"StainlessSteelSafetyReliefValveforsetpressuresfrom0.7to40bar,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.SAFETYRELIEFVALVE(L.P.)(TS100)1"StainlessSteelSafetyReliefValveforsetpressuresfrom0.7to28bar,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.CARTRIDGERELIEFVALVE(L.P.)(TS25C)1/4"StainlessSteelCartridgeStyleSafetyReliefValveforincorporationintomanifolds,wherelowsetpressuresarerequired.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(HS25)1/4"StainlessSteelVenttoAtmosphereStyleReliefValveforsetpressuresfrom400to2,000psi,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(HTS25)1/4"StainlessSteelReliefValveforsetpressuresfrom400to2,000psi,withliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL25)1/4"StainlessSteelReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL37)3/8"StainlessSteelReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL25-G)1/4"StainlessSteelReliefValvewithSoftSeatsforpressuresupto6,000psiwithliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL37-G)3/8"StainlessSteelReliefValvewithSoftSeatsforpressuresupto6,000psiwithliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.CARTRIDGERELIEFVALVE(H.P.)(RL25C)1/4"StainlessSteelCartridgeStyleReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL25M)1/4"StainlessSteelManifoldMountedStyleReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL50)1/2"StainlessSteelReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL50-G)1/2"StainlessSteelReliefValvewithSoftSeatsforpressuresupto6,000psiwithliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL50M)1/2"StainlessSteelManifoldMountedStyleReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL75)3/4"StainlessSteelReliefValveforpressuresupto15,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL75-G)3/4"StainlessSteelReliefValvewithSoftSeatsforpressuresupto6,000psiwithliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.CARTRIDGERELIEFVALVE(H.P.)(PRV75C)3/4"StainlessSteelCartridgeStyleReliefValveforpressuresupto6,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL100)1"StainlessSteelReliefValveforpressuresupto3,000psi.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.RELIEFVALVE(H.P.)(RL100-G)1"StainlessSteelReliefValvewithSoftSeatsforpressuresupto3,000psiwithliquidorgas.ApprovedasaSafetyAccessorytoCategoryIVofthePressureEquipmentDrective97/23/EC.)