Menu
Account
Blog
View all
Blog
Beauty Skin
Plastruct Fineline Styrene
View all
Plastruct Fineline Styrene
Round Tube
Square Tube
Rectangular Tube
Round Rod
Half Round Rod
Quarter Round Rod
Square Rod
Triangular Rod
Hexagonal
Rectangular Strip
Stock Strip
I-Beams
H-Columns
Angles
Tees
Channels
Deep Channels
Z-Bar
Open Webb Truss
Stairs, Ladders & Rails
View all
Stairs, Ladders & Rails
Hand Rails
Stair Rails
Stairs
Ladders
Acrylic Plastic Shapes
View all
Acrylic Plastic Shapes
Round Tubes
View all
Round Tubes
Clear Round Tubing
Clear Extruded Tubing
Clear Butyrate Tubing
Round Rods (Clear)
Round Rods (Fluorescent)
Round Rods (Metallic)
Round Rods (Opaque)
Round Rods (Transparent)
Square & Rectangular Tubes
View all
Square & Rectangular Tubes
Acrylic Rectangular Rods
Acrylic Square Rods
Clear Square Tubing
Square Rods
View all
Square Rods
Fluorescent Square Rods
Transparent Square Rods
Spiral & Half Rods
View all
Spiral & Half Rods
Spiral Rods
Half Round Rods
Balls, Blocks & Cubes
View all
Balls, Blocks & Cubes
Acrylic Balls
Acrylic Cubes
Acrylic Cast Blocks
Angles, Channels & Tees
View all
Angles, Channels & Tees
Angles
Channels
Tees
I-Beams & H-Columns
View all
I-Beams & H-Columns
I-Beams
H-Columns
Structural Web & Flange
View all
Structural Web & Flange
Structural Web
Structural Flange
Variable System
Dished Heads
Hemispherical Domes
View all
Hemispherical Domes
Clear Domes
Fluorescent Domes
Elliptical Domes
View all
Elliptical Domes
Clear Domes
Fluorescent Domes
Fluorescent Rings
Fluorescent Sheets
Saddles
Acrylic Accessories
Butyrate Tube & Fittings
View all
Butyrate Tube & Fittings
Coloured Butyrate Tube
Brass Insert Wire
90 Degree Small Bends
90 Degree Medium Bends
90 Degree 3 Diameter Bends
90 Degree 5 Diameter Bends
90 Degree Female Bends
45 Degree Bends
45 Degree Female Bends
Tees
Snap-on-Tees
Stub-on-Tees (90 Degrees)
Stub-on-Tees (45 Degrees)
Concentric Reducers
Eccentric Reducers
Coupling Sleeves
Coupling Pins
Sleeves/Hinges
Tube Caps
Flanges
Discs
Support Clips
Support Flanges
Values
View all
Values
Relief Valves
Angle Valves
Control Valves
Plug Valves
Gate Valves
Half Round Channel
Manways
ABS Tubes & Fittings
View all
ABS Tubes & Fittings
One Piece Extruded Tubes
Two Piece Formed Tubes
Flat End Caps
Flanged End Caps
Rings
Saddles
Bends
Tees
Dished Heads
Elliptical Domes
Hemispherical Domes
Cones
ABS Plastic
View all
ABS Plastic
Construction Study Kits & Components
Structural & Variable System Tubes
View all
Structural & Variable System Tubes
Square
Rectangular
Variable System
Webs & Flanges
View all
Webs & Flanges
Open Webb Truss
Structural Web
Structural Flanges
Structural Pins & Base Mounts
View all
Structural Pins & Base Mounts
Base Mounts
Base Pins
I-Beams
H-Columns
Angles
Tees
Channels
Strips
Ladders, Stairs & Rails
View all
Ladders, Stairs & Rails
Stairs
Ladders
Caged Ladders
Hand Rails
Stair Rails
Custom Staircase Components
View all
Custom Staircase Components
Custom Stairs
Steps
Sheet Materials
View all
Sheet Materials
ABS Sheeting
High Impact Polystyrene
Translucent Coloured Sheeting
Clear Sheeting
Other Sheet Materials
Textured
View all
Textured
V-Groove
Metal Siding
Clapboard
Square Tile
Plastikard Embossed Styrene
Vac Formed Mesh Patterns
Vac Formed Tread Plate Patterns
Aluminium Treadplates
1/12th Scale Brick & Tile
Vacformed Bricks, Tiles .ect.
Scale papers
Scenic Materials
View all
Scenic Materials
Scatter Materials
View all
Scatter Materials
Scatters
Ground Cover & Foliage
Micro Leaves
Scenic Materials
View all
Scenic Materials
Mats
Hedges and Plants
Lichen
Etched Plants
Trees
View all
Trees
Pro Trees
Deciduous Trees
Coniferous Trees
Poplar Style Trees
Palm Trees
JTT Trees
View all
JTT Trees
Oak
Willow
Sycamore
Live Oak
Pine
Ash
Palm
Beech
Birch
Cypress
Fir
Deciduous
Poplar
Metal Tree Kits & Armatures
Effects
Scale Representation
View all
Scale Representation
Scale Figures
View all
Scale Figures
Plastic City Figures
Plastic Super Figures
Scale Figures Industrial
White Metal Figures
Figure Sets
Silhouette Figures
Hermoli Model Figures
Pumps & Motors
View all
Pumps & Motors
Type A
Type B
Scale Vehicles
Scale Furniture
View all
Scale Furniture
Bathroom Furniture
Domestic Furniture
Office Furniture
Theater Furniture
Plastic Fencing
Windows and Doors
View all
Windows and Doors
Windows & Doors
00/H0 Windows & Doors
Skylights
Street Furniture
Light Fixtures
Brass Railings
Trusses & Beams
Materials
View all
Materials
Foam & Polystyrene
View all
Foam & Polystyrene
Expanded Polystyrene Sheet
Styrofoam LB-X (Extruded)
Polystyrol Foam Board
High Density Polystyrene Shapes
Foam Board
Wood
View all
Wood
Balsa Sheet
Balsa Strips
Balsa Dowel
Balsa Blocks
Balsa Packs
Basswood
Lime Strips
Lime Dowel
Lime Sheet
Pine Strips
Jelutong
Plywood
Microwood
MDF - Medium Density Fibreboard
Wood Sheets & Boards
Fine Quality Wooden Sections
View all
Fine Quality Wooden Sections
Angle
Tee
Channel
Column
I Beam
Metal
View all
Metal
KS Brass Tube
KS Aluminium Tube
KS Copper Tube
KS Brass Square Tube
KS Brass Rectangular Tubing
KS Brass Hexagonal Tube
KS Brass Rod
Steel Piano Wire
Strips & Sheets
Meshes
Corrugated Sheets
Miscellaneous Metal Items
Brass U Angles
Brass Angle
Adhesives
Filler/Putty
Electrical Accessories
View all
Electrical Accessories
Batteries and Chargers
Switches
Battery Holders
Paints & Other Finishes
View all
Paints & Other Finishes
Bare Metal Foil Products
Miscellaneous Finishes
Green Stuff
View all
Green Stuff
Liquid Pigments
Natural Pigments
Pigment Accessories
Stone Coating
Misc Materials
View all
Misc Materials
Hardware
View all
Hardware
Nuts & Bolts
Wirefoam Expandable Mesh
Miscellaneous
Decal Products
Magnets & Springs
Trimline
Plastic Alphabets
Velcro Products
Quick Construction Connectors
Mechanisms
View all
Mechanisms
DC Motors & Gearboxes
View all
DC Motors & Gearboxes
DC Motors & Gearboxes
Multi-Ratio Gearbox
Planetry Series Motors
Miniature DC Motors
Toothed Pulleys & Belts
Plastic Gears & Pulleys
View all
Plastic Gears & Pulleys
Miniature Gears
Brassed Hubbed Gears
Brass Hubbed Pulleys
Pulleys & Cams
Gears With Boss
Brass Gear Wheels
View all
Brass Gear Wheels
Brass Gear Wheels
Brass Worm & Gears
Brass Gears With Boss
Brass Gears Without Boss
Brass crown and Pinion
Plastic Sprocket Chains
Module-1 Gears & Accessories
6mm Plastic Gears & Accessories
Nylon Joints
Props & Rudders
Wheels & Axles
Perforated Steel & Aluminium
Steel Axles and Collars
Miniature Ballraces
Miscellaneous
Water Pumps and Tubes
Moulding & Casting
View all
Moulding & Casting
Crystal Resins & Accessories
Mould Making Products
Melting Pots & Casting Items
Alumilite Casting Products
Moulding Compounds
Green Stuff
View all
Green Stuff
Tape & Putty
Moulds & Resin
Ultraviolet Resins
Textured Rolling Pins
Sculpting
Cutters
Hand Tools
View all
Hand Tools
Zona Saws
Excel Knives & Blades
Swann-Morton Handles & Blades
Drilling & Punching (Hand)
View all
Drilling & Punching (Hand)
Long Drills
Perma Grit Tools
Cutting (Hand) Tools
Welding/Soldering
Tools
Marking & Measuring
Clamps & Vices
K&S Wire & Tube Acc.
Application Products
View all
Application Products
Airbrushing
View all
Airbrushing
Airbrushes
Airbrushing Accessories
Applicators
Brushes
View all
Brushes
Squirrel Brushes
Nylon Brushes
Jenny Brushes
Microbrush Brushes
Stripers
Model Accessories
Green Stuff
View all
Green Stuff
Punches
Craft Tools
Textured Rolling Pins
Textured Roller with handle
Cutters
Sculpting
Sanding & Abrasive Tools
Safety & Storage
Magnifiers
Power Tools
View all
Power Tools
Table Top Machines 240 Volt
Proxxon Hand Held Tools
Proxxon Accessories
View all
Proxxon Accessories
Accessories for Hand Held Tools
Hot Wire Cutters
View all
Hot Wire Cutters
Hot Wire Foam Factory
Hand Held
The Styrocut 3D
Table Top Models
Rotary Tools 12 Volt
View all
Rotary Tools 12 Volt
Precision Rotary
Minicraft Rotary Tool
Rotary Tool Accessories
View all
Rotary Tool Accessories
Rotary Tool Attachments
Rotary Tool Accessories
Bench Lathe & Accessories
Lamps & Light Boxes
Dremel Multitool System
View all
Dremel Multitool System
Multitools
Benchtop & Compact Tools
Attachments
Accessories
EZ SpeedClic
Unimat 1
View all
Unimat 1
Metal Line Kits
Metal Line Attachments
Draper Accessories
Other
View all
Other
Books
Fun Kits
Merchandisers
Displays
DIY - Miniature Rooms
Laser Cut Wooden Kits
Mechanical 3D Models
My Account
Sign In
Create an Account
Home
Butyrate Tube & Fittings
Values
Relief Valves
Relief Valve - 3.2mm Black
Relief Valve - 3.2mm Black
Relief Valve
More Information
Colour
Black
Dimensions
Fits Tubing P-( )-4
SKU
RV-4BK
Be the first to review this product
£0.78
Qty
Add to Cart
{{#message}}
{{{message}}}
{{#success}}
View cart
{{/success}}
{{/message}}
Your cart
View Cart
{{^items}}
You have no items in your shopping cart.
{{/items}} {{#items}}
Remove
Edit
{{#product_has_url}}
{{{product_name}}}
{{/product_has_url}} {{^product_has_url}}
{{{product_name}}}
{{/product_has_url}}
{{{product_price}}}
See Details
{{#options}}
{{label}}:
{{{value}}}
{{/options}}
Update
{{/items}}