Guardian tank equipment
Guardian Tank Parts
Browse tank-container and road-tanker components by product family, size, connection, and function. Add individual parts to one request for quote, then confirm material, seal compatibility, operating conditions, and required certifications with Guardian.
Manlid and inspection-access series
Manlids and Inspection Covers
Tank access assemblies for inspection, cleaning, filling, and service. The supplied guide includes compact inspection openings, full manlid assemblies, deep-neck and low-profile designs, IBC versions, and a road-tanker manlid.
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Product rangeInspection manlids, manlid assemblies, IBC manlids, and road-tanker manlids
Guide sizes170 mm, 300 mm, and 500 mm configurations
Selection variablesOpening size, neck profile, bolt pattern, seal, pressure duty, and tank interface
Ordering noteConfirm tank opening, drilling, seal material, working medium, and certification requirements
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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170 mm Inspection Manlid
170 mm
Compact inspection opening
Inspection and service access
300 mm Low-Profile Inspection Manlid
300 mm
Low-profile cover
Inspection access where external height is limited
300 mm Deep-Neck Inspection Manlid
300 mm
Deep-neck opening
Inspection access for raised or insulated tank interfaces
500 mm Low-Profile Manlid Assembly
500 mm
Low-profile assembly
Full-size tank access with reduced installed height
500 mm Deep-Neck Manlid Assembly
500 mm
Deep-neck assembly
Full-size access for raised-neck installations
500 mm Manlid Assembly with 170 mm Inspection Cover
500 mm / 170 mm
Main cover with secondary inspection opening
Routine inspection without opening the full manlid
500 mm Bitumen Manlid Assembly
500 mm
Bitumen-service configuration
Tank access for heated or viscous-product service; confirm temperature duty
IBC Manlid Assembly
Confirm opening
IBC cover assembly
Intermediate bulk container access
IBC Manlid with NPT Thread
Confirm opening and NPT size
IBC cover with threaded port
IBC access with an auxiliary threaded connection
500 mm Road-Tanker Manlid
500 mm
Road-tanker assembly
Road-tanker compartment access
Pressure-management valve series
Relief, Safety and Breather Valves
Spring-loaded and breathing devices used to manage tank pressure or vacuum conditions. Set pressure, flow capacity, mounting, medium compatibility, and applicable transport rules must be confirmed for every application.
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Product rangeThreaded, IBC, flanged safety-relief, steaming-pipe, and breather valves
Typical functionPressure relief, vacuum relief, or normal tank breathing depending on model
Guide connectionsBSP, IBC, steaming-pipe, and flanged configurations
Ordering noteConfirm set pressure, required capacity, tank code, connection, seal, temperature, and medium
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Steaming-Pipe Relief Valve
3/4 in.
Threaded steaming-pipe relief valve
Auxiliary pressure-relief service
BSP Safety Relief Valve
1 in.
BSP threaded
Tank pressure-relief service
BSP Safety Relief Valve
1-1/2 in.
BSP threaded
Tank pressure-relief service
IBC Safety Relief Valve
2 in.
IBC-style mounting
IBC pressure-relief service
BSP Safety Relief Valve
2-1/2 in.
BSP threaded
Tank pressure-relief service
Flanged Safety Relief Valve
2-1/2 in. / 3 in.
Flanged mounting
Tank pressure-relief service
Breather Valve
Confirm connection
Pressure/vacuum breathing device
Normalizes tank pressure and vacuum during operation
Airline and remote-operation series
Air-Inlet Valves and Controls
Airline components used to connect a tank to vapor piping or compressed air for vapor recovery, purging, filling, or assisted discharge. Confirm the permitted tank pressure and operating sequence before selection.
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Product rangeBSP and flanged air-inlet valves, butterfly air-inlet valve, and remote operator
Typical functionAir or vapor connection for purge, recovery, filling, or assisted discharge
Guide sizes1-1/2 inch and 2 inch valve configurations
Ordering noteConfirm connection, actuation, pressure, temperature, seal material, and medium
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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BSP Air-Inlet Ball Valve
1-1/2 in.
BSP threaded ball valve
Air or vapor connection at the tank
Flanged Air-Inlet Ball Valve
1-1/2 in.
Flanged ball valve
Air or vapor connection at the tank
Air-Inlet Butterfly Valve
2 in.
Butterfly valve
Compact air or vapor isolation
Air-Inlet Valve Remote-Operation Device
Confirm operator
Remote mechanical control
Operate the air-inlet valve from an accessible location
Full-bore, lined, and flanged ball-valve series
Tank Ball Valves
Quarter-turn isolation valves for tank loading, unloading, and process connections. The guide shows full-bore, flanged, two-piece, and PFA-lined configurations without pressure, material, or seal ratings.
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Product rangeFull-bore, PFA-lined, flanged, and two-piece tank ball valves
Guide sizes2 inch through 4 inch configurations
Typical functionOn/off isolation with a compact quarter-turn operator
Ordering noteConfirm bore, connection, pressure class, body material, seat, lining, temperature, and medium
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Full-Bore Ball Valve
2 in.
Full-bore tank valve
Tank loading, unloading, or isolation
Full-Bore Ball Valve
3 in.
Full-bore tank valve
Tank loading, unloading, or isolation
PFA-Lined Ball Valve
Confirm size
Fluoropolymer-lined flow path
Corrosive-service isolation; confirm chemical and temperature compatibility
Flanged Ball Valve
2 in.
Flanged tank valve
Road-tanker or tank-piping isolation
Flanged Ball Valve
3 in.
Flanged tank valve
Road-tanker or tank-piping isolation
Flanged Ball Valve
4 in.
Flanged tank valve
Road-tanker or tank-piping isolation
Two-Piece Flanged Ball Valve
Confirm size
Two-piece flanged construction
Serviceable tank-piping isolation
Clamped, Unify, camlock, and flanged butterfly-valve series
Tank Butterfly Valves
Compact quarter-turn valves for road-tanker and tank discharge connections. Multiple mounting styles are shown, including clamped, Unify, DC camlock, and flanged designs.
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Product rangeRoad-tanker, clamped, Unify, DC camlock, and flanged butterfly valves
Guide size3 inch configurations shown
Typical functionCompact shutoff or discharge control
Ordering noteConfirm exact mounting interface, disc and body material, seat, pressure, temperature, and medium
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Road-Tanker Butterfly Valve
3 in.
Road-tanker mounting
Tank discharge or transfer isolation
Clamped Butterfly Valve
3 in.
Clamped connection
Removable compact tank isolation
Unify Butterfly Valve
3 in.
Unify-style connection
Tank discharge isolation
DC Camlock Unify Butterfly Valve
3 in.
Unify valve with DC camlock interface
Tank discharge with quick-connect closure
Flanged Butterfly Valve
3 in.
Flanged connection
Tank or manifold isolation
Primary tank-closure and discharge series
Foot Valves and Bottom Discharge Assemblies
Primary closure valves and bottom-discharge assemblies fitted at the vessel drain point for loading and unloading. The guide shows straight, angled, swing, extended, heated, camlock, sample-valve, and offshore configurations.
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Product rangeFoot valves, swing and extended foot valves, and bottom-discharge assemblies
Guide sizesPrimarily 3 inch, with a 3 inch to 2 inch offshore assembly and 3 inch to 4 inch option
Typical functionPrimary closure at the tank drain, used with a secondary discharge valve or coupling
Ordering noteConfirm angle, actuation, heating, outlet, flange pattern, pressure, temperature, seal, and medium
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Foot Valve with Heating
3 in.
30-degree outlet with heating provision
Bottom discharge for viscous or temperature-sensitive cargo
Foot Valve
3 in.
30-degree outlet
Primary bottom-discharge closure
Foot Valve
3 in.
45-degree outlet
Primary bottom-discharge closure
Foot Valve
3 in.
180-degree outlet
Primary bottom-discharge closure
Swing Foot Valve
3 in.
45-degree swing design
Bottom-discharge closure with swing-away access
Extended Foot Valve
3 in.
45-degree extended body
Bottom discharge requiring extended reach
DC Camlock Unify Bottom Discharge
3 in.
Unify discharge with DC camlock
Quick-connect tank discharge
Bottom Discharge with Sample Valve
3 in.
45-degree outlet with sample valve
Tank discharge with an auxiliary sampling point
Bottom Discharge Assembly
3 in.
180-degree outlet
Tank bottom discharge
Offshore Tank Bottom Discharge
3 in. to 2 in.
Reduced offshore-style assembly
Offshore tank-container discharge
Foot Valve
3 in. to 4 in.
90-degree outlet
Road-tanker bottom discharge
Weld-in, blind, recess, adaptor, and syphon-tube series
Tank Flanges, Adapters and Syphon Tubes
Tank mounting and transition components for relief valves, air-inlet valves, top discharge, bottom discharge, and syphon-tube connections. Because the guide provides no drilling dimensions, each flange must be matched to the mating equipment before order.
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Product rangeBlind, weld-in, recess, adaptor, adaptor-assembly, and syphon-tube components
Guide interfaces1-1/2 inch air inlet, 2 inch discharge, 2-1/2 inch relief, 3 inch relief/discharge
Typical functionMounting, closing, adapting, or extending tank valve and discharge connections
Ordering noteConfirm mating part, OD, bore, bolt pattern, PCD, thread, weld preparation, material, and tank curvature
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Blind Flange for Relief Valve
2-1/2 in.
Blind closure
Close a relief-valve tank opening
Blind Flange for Relief Valve
2-1/2 in. / 3 in.
Blind closure
Close a relief-valve tank opening
Weld-In Flange for Relief Valve
2-1/2 in.
Tank weld-in mounting pad
Mount a relief valve to the tank
Weld-In Flange for Relief Valve
2-1/2 in. / 3 in.
Tank weld-in mounting pad
Mount a relief valve to the tank
Recess Flange for Relief Valve
2-1/2 in.
Recessed mounting interface
Low-profile relief-valve mounting
Adaptor Flange for Relief Valve
2-1/2 in.
Flange adaptor
Transition between relief valve and tank mounting
Adaptor Flange Assembly for Relief Valve
2-1/2 in.
Retained adaptor assembly
Relief-valve mounting and removal
Blind Flange for Discharge
2 in.
Blind closure
Close a discharge opening
Blind Flange for Top Discharge
2 in.
Blind closure
Close a top-discharge opening
Blind Flange for Top Discharge
3 in.
Blind closure
Close a top-discharge opening
Blind Flange for Top Discharge
2 in. / 3 in.
Blind closure
Close a top-discharge opening
Weld-In Flange for Top Discharge
3 in.
Tank weld-in mounting pad
Mount a top-discharge valve or assembly
Adaptor Flange for Top Discharge
3 in.
Flange adaptor
Transition a top-discharge connection
Syphon-Tube Flange for Top Discharge
3 in.
Flanged syphon-tube mount
Connect a tank syphon tube to top discharge
Syphon Tube
Confirm tank depth
Tank dip tube
Draw liquid from the lower portion of the tank through top discharge
Blind Flange for Bottom Discharge
Confirm opening
Blind closure
Close a bottom-discharge opening
Weld-In Flange for Bottom Discharge
Confirm opening
30-degree mounting angle
Mount an angled bottom-discharge assembly
Weld-In Flange for Bottom Discharge
Confirm opening
45-degree mounting angle
Mount an angled bottom-discharge assembly
Weld-In Flange for Air-Inlet Ball Valve
1-1/2 in.
Tank weld-in mounting pad
Mount an air-inlet ball valve
Recess Flange for Air-Inlet Ball Valve
1-1/2 in.
Recessed mounting interface
Low-profile air-inlet valve mounting
Blind Flange for Air-Inlet Ball Valve
1-1/2 in.
Blind closure
Close an air-inlet valve opening
BSP, flange, cam-and-groove, cap, and coupler series
Tank Couplings and Quick Connections
Adapters and quick connections for linking tank flanges, threaded piping, hoses, and cam-and-groove components. Product type alone does not establish material, pressure, seal, or dimensional interchangeability.
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Product rangeBSP adapters, flange adapters, cam-and-groove types A through F, DC, DP, couplers, and reducing couplers
Typical functionConnect tank valves and flanges to piping or transfer hoses
Connection familiesBSP, flange, and cam-and-groove quick-coupling interfaces
Ordering noteConfirm type, nominal size, male/female end, thread standard, flange drilling, material, seal, pressure, and medium
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Flange to BSP Adapter
1-1/2 in.
Flange x BSP thread
Connect a tank flange to threaded piping
Coupling
1-1/2 in.
Straight coupling
Join compatible threaded or tank connections
Flange to BSP Adapter
3 in.
Flange x BSP thread
Connect a tank flange to threaded piping
Flange to Quick-Coupling Adapter
Confirm size
Flange x quick-coupling interface
Connect a tank flange to transfer equipment
Square-Flange to Round-Flange Adapter
Confirm drilling
Square x round flange transition
Adapt unlike tank mounting patterns
Round-Flange to Quick-Coupling Adapter
Confirm size
Round flange x quick coupling
Connect a tank flange to transfer equipment
Type A Quick Coupling
Confirm size
Female cam coupler x male adapter end
Cam-and-groove transfer connection
Type B Quick Coupling
Confirm size
Female cam coupler x male thread
Cam-and-groove transfer connection
Type C Quick Coupling
Confirm size
Female cam coupler x hose shank
Cam-and-groove hose connection
Type D Quick Coupling
Confirm size
Female cam coupler x female thread
Cam-and-groove transfer connection
Type E Quick Coupling
Confirm size
Male adapter x hose shank
Cam-and-groove hose connection
Type F Quick Coupling
Confirm size
Male adapter x male thread
Cam-and-groove transfer connection
Type DC Quick-Coupling Cap
Confirm size
Female cam dust cap
Close and protect a male cam adapter
Type DP Quick-Coupling Plug
Confirm size
Male dust plug
Close and protect a female cam coupler
Quick Coupling
Confirm size
Generic quick-connect coupling
Tank or hose transfer connection
Tank Coupler
Confirm size
Flanged or square-base coupler shown
Tank outlet to transfer-equipment connection
Reducing Coupler
Confirm inlet and outlet
Reduced quick-coupling transition
Connect different nominal transfer sizes
Thermal-release, cap, and swing-bolt accessories
Fusible Safety Parts and Closures
Thermally activated components and mechanical closures used around tank valves, manlids, and emergency-control systems. Exact activation temperature and system function must be verified before use.
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Product rangeFusible link assemblies, fusible caps, threaded blank caps, and swing bolts
Typical functionThermal release, emergency-system actuation, port closure, or manlid retention
Safety noteDo not infer fusible temperature, pressure rating, or regulatory compliance from the catalog image
Ordering noteConfirm thread, size, melt or release temperature, system layout, material, and required regulation
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Fusible Link Assembly
Confirm linkage
Spring-loaded thermal link assembly
Thermally actuated emergency-control linkage
Threaded Blank Cap
Confirm thread
Threaded port closure
Close and protect an unused threaded tank connection
Fusible Cap
Confirm size
Thermally responsive cap
Emergency thermal-release or closure service; confirm system design
Fusible Cap
3 in.
Flanged or retained cap
Emergency thermal-release or closure service; confirm system design
Swing Bolt
Confirm thread and length
Wing-handle swing bolt
Manlid or cover retention
Replacement sealing and maintenance components
Seals, Gaskets and Service Kits
Replacement seals and service kits for manlids, valves, and tank connections. Seal compatibility depends on the exact equipment, cargo, cleaning process, temperature, and pressure.
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Product rangeGaskets, valve seals, O-rings, manlid packing, manlid seals, seal kits, and maintenance kits
Typical functionRestore sealing performance during inspection or maintenance
Material noteThe supplied guide does not identify elastomer or polymer compounds
Ordering noteConfirm equipment model, dimensions, compound, cargo compatibility, temperature, and cleaning chemicals
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Tank and Valve Gaskets
Confirm equipment
Flat replacement gaskets
Seal flanged tank and valve interfaces
Valve Main Seal
Confirm valve
Primary valve seal
Replace the main sealing element in a compatible valve
O-Rings
Confirm standard and dash size
Round-section seals
Static or dynamic sealing in compatible tank components
Manlid Packing
Confirm manlid
Profiled cover packing
Seal the manlid cover to its neck or frame
Manlid Seal
Confirm manlid
Replacement perimeter seal
Seal the manlid assembly
Seal Kit
Confirm equipment model
Grouped replacement seals
Routine valve or tank-component service
Maintenance Kit
Confirm equipment model
Seals and selected service parts
Planned maintenance or overhaul
Tank instrumentation and documentation accessories
Gauges and Protective Accessories
Basic instrumentation and protective accessories shown for temperature, pressure, flame protection, and document storage. The guide does not provide gauge ranges, accuracy, process connections, or certifications.
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Product rangeTemperature and pressure gauges, gauge protection, flameproof gauze, and document holders
Typical functionMonitor tank conditions or protect and retain service information
Guide detail levelProduct images and names only
Ordering noteConfirm range, units, accuracy, connection, materials, temperature, hazardous-area needs, and compatibility
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
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Temperature-Gauge Protection
Confirm gauge
Protective guard or cover
Shield a temperature gauge from impact
Temperature Gauge
Confirm dial and connection
Dial gauge
Indicate tank or process temperature
Pressure Gauge
Confirm range and connection
Dial gauge
Indicate tank or line pressure
Document Holder
Confirm document format
Cylindrical weather-resistant holder
Store tank documents or inspection records
Flameproof Gauze
Confirm assembly
Metal mesh element
Flame-screen or vent protection; confirm required standard
Bottom-loading, vapor, cap, and recovery-adaptor series
Loading, Vapor-Recovery and Road-Tank Parts
Road-tanker transfer components used around bottom loading, unloading, vapor piping, and protective closures. Compatibility with API, TTMA, regional transport rules, and the mating coupler must be confirmed from the selected part.
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Product rangeBottom-loading adaptor, dust caps, vapor valve, and vapor-recovery adaptor
Typical functionLiquid transfer, vapor return, connection protection, and closed-loop recovery
Guide detail levelProduct images and basic names only
Ordering noteConfirm interface standard, nominal size, pressure, material, seal, actuation, cargo, and required transport regulation
Guardian Tank Parts Product Guide
Products listed in the supplied tank-parts guide
Available products and configurations
Scroll table horizontally on smaller screens
Product
Nominal size
Configuration
Typical application
Add to quote
Bottom-Loading Adaptor
Confirm interface
Tank-truck loading adaptor
Connect the tank to compatible bottom-loading equipment
Dust Cap
Confirm adaptor
Retained protective cap
Protect a loading or unloading adaptor when disconnected
Vapor Valve
Confirm connection
Road-tanker vapor valve
Open or isolate the tank vapor path during loading and unloading
Vapor-Recovery Adaptor
Confirm interface
Flanged or quick-connect vapor adaptor
Connect tank vapor piping to a recovery system
Specification sheet
