3/8" PLASTIC HALF CARTRIDGE
OEM push-fit half cartridge for 3/8" OD tubing. Ideal for water filtration and drinks dispense systems.
Made from food-grade acetal, with stainless steel collet and nitrile O-ring.
.The John Guest PI2812S is a 3/8" OD push-fit half cartridge, designed for OEM integration into custom housings for use in water filtration and drinks dispense systems. As part of the John Guest PI28 series, it provides a compact and reliable alternative to brass MI28 cartridges and welded cap assemblies.
This component offers fast, leak-free push-fit connection to plastic or soft metal tubing. Once inserted and secured in a machined or moulded housing, it acts as a full push-fit port.
Key Features:
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Designed for use in OEM equipment (bulk supply only)
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Push-fit connection for 3/8" OD tube
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Food-grade materials – suitable for potable water
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Stainless steel teeth ensure secure retention
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O-ring provides leak-proof seal
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Designed to be pressed into acetal or plastic housings (not metal)
Technical Specifications:
| Specification | Value |
|---|---|
| Part Code | PI2812S |
| Tube OD | 3/8" (9.53mm) |
| Cartridge Body Material | Acetal Copolymer (Light Grey) |
| Collet Material | Stainless Steel (Dark Grey) |
| O-Ring Material | Nitrile (Black) |
| Max Pressure | 10 bar (145 psi) |
| Working Temp Range | +1°C to +65°C |
| Food Grade | Yes (FDA compliant) |
| Recommended Use | Potable water, drinks dispense |
| Not Suitable For | Chrome/metal housings or hard anodised surfaces |
| OEM Assembly Note | Insert into plastic housing + add O-ring + collet |
| Country of Origin | UK |
| Fitting Type | Plastic Half Cartridge |
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