Inclinometer Casings
Standard PVC Inclinometer Casing
GT-PVC-00 is the standard OD 70 mm PVC inclinometer casing, dimensionally matched to our ABS casing so the same probes and couplings apply. It is supplied in 3 m or 2 m lengths with 76 mm couplings at 18 cm, holding bending to 1.0 per mille or less and intensity strength of at least 1200 N/100m.
ISO 9001:2015 production Samples available Small orders accepted
Product Overview
GT-PVC-00 is the standard OD 70 mm PVC inclinometer casing, dimensionally matched to our ABS casing so the same probes and couplings apply. It is supplied in 3 m or 2 m lengths with 76 mm couplings at 18 cm, holding bending to 1.0 per mille or less and intensity strength of at least 1200 N/100m.
Materials
- PVC
Key Benefits
- Same groove and diameter specification as the ABS casing, so probe kits do not change
- Bending 1.0 per mille or less and torsion 0.2 degrees per metre or less for clean survey data
- Intensity strength of at least 1200 N/100m on casing and coupling
- Heat deflection temperature of at least 97 degrees C
- Produced in house on two extrusion lines for predictable delivery on long orders
Application Scenarios And Who It Is For
Application Scenarios
- Slope and embankment monitoring boreholes
- Excavation and retaining wall monitoring
- Dam and levee instrumentation
- Long-term monitoring arrays on infrastructure projects
Who It Is For
- Monitoring contractors standardising on PVC casing
- Consultants writing casing specifications
- Drilling contractors installing survey casing
- Geotechnical equipment distributors
Problems It Solves
- Mixed casing specifications across a project that confuse survey records
- Casing that spirals and shifts the apparent direction of movement
- Delivery of large casing quantities in unpredictable batches
- Couplings that do not seal against grout
Technical Features
- Four internal guide grooves at 5 plus minus 0.5 mm width and 2 plus minus 0.2 mm depth
- Casing OD 70 plus minus 1.0 mm with wall thickness 5 plus minus 0.5 mm
- Radian 0.4 mm or less
- Coupling OD 76 plus minus 1.0 mm at 18 plus minus 0.5 cm length
- PVC material with heat deflection temperature of at least 97 degrees C
Specifications
Values below are taken from our published product data. Our tables note that figures are general averages for reference and that actual data should be confirmed by testing within the applicable scope.
| Casing OD | 70 plus minus 1.0 mm |
|---|---|
| Casing Wall Thickness | 5 plus minus 0.5 mm |
| Guide Groove Width | 5 plus minus 0.5 mm |
| Guide Groove Depth | 2 plus minus 0.2 mm |
| Bending | 1.0 per mille or less |
| Torsion Angle | 0.2 degrees per metre or less |
| Radian | 0.4 mm or less |
| Intensity Strength | at least 1200 N/100m |
| Heat Deflection Temperature | at least 97 degrees C |
| Casing Length | 3 m or 2 m |
| Coupling OD | 76 plus minus 1.0 mm |
| Coupling Wall Thickness | 5 plus minus 0.5 mm |
| Coupling Length | 18 plus minus 0.5 cm |
| Coupling Bending | 1.0 per mille or less |
| Coupling Intensity Strength | at least 1200 N/100m |
| Coupling Heat Deflection Temperature | at least 97 degrees C |
Quality Control
- Outer diameter held to plus minus 1.0 mm on casing and to the stated tolerance on couplings
- Groove width and depth checked so probe wheels track without binding
- Bending, torsion angle and radian measured on production lengths
- Intensity strength and heat deflection temperature verified against the published limits
Customization Options
- Casing length 3 m or 2 m
- Caps, protection boxes and couplings supplied together
- Scheduled deliveries across a drilling programme
Comparison With Other Products
| Compared With | Why This Product |
|---|---|
| Standard ABS Inclinometer Casing | Identical dimensional specification, so the choice is a material preference rather than a change of probe or coupling |
| Standard Aluminium Inclinometer Casing | Aluminium is selected where higher stiffness is wanted; PVC suits most routine monitoring holes |
Use Guide
- Check groove alignment between lengths before lowering the string into the hole
- Join lengths with the matching couplings and seal against grout ingress
- Set one groove pair along the expected direction of movement and record the orientation
- Fit top and bottom caps, and a protection box where the casing head is exposed
Questions Buyers Ask
Standard PVC Inclinometer Casing FAQ
What tolerance do you hold on the casing
OD 70 plus minus 1.0 mm, wall thickness 5 plus minus 0.5 mm, groove width 5 plus minus 0.5 mm and groove depth 2 plus minus 0.2 mm.
How straight is the casing
Bending is 1.0 per mille or less, torsion angle 0.2 degrees per metre or less and radian 0.4 mm or less.
What is the production capacity
Two extrusion lines can produce tens of thousands of metres of casing or pipe each day, so long orders do not wait behind short ones.
Is the quality system certified
The company is approved to ISO 9001:2015, which keeps casing production traceable.
Do you supply caps and protection boxes
Yes. Top and bottom caps and outer protection boxes are available as optional parts for inclinometer casings.
Can you ship a mixed order of casing and instruments
Yes. Send your casing metres and instrument list on WhatsApp and we will quote them together.
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