Suction Hose Sizes — Reading the Family's Published Range

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The published range

That table is the whole of the size evidence this family publishes, and its shape is the first thing to understand: a bore span with family-level figures across it, not a row per bore with a rating per row. Some families in this range publish the row-per-bore kind — the steel wire family's per-size rows are reproduced on the steel wire hose sizes guide — but the suction family does not, and a guide that invented rows for it would be inventing data. What a buyer can legitimately read from the range is which bores exist in the family and what the family's envelopes are; what settles an order is the rating at a named bore, confirmed in the written quotation.

The facts that settle a suction size

A suction size is settled against the pump it feeds and the run it serves. The facts that bear on it are the pump's inlet size, the lift the pump must pull against, the length of the intake run and the bends in it. State those facts in the enquiry, with the size you are considering — within the family's range, between 3/4 in and 8 in (suction family range; the rating at your bore is confirmed in the quotation) — and ask for the bore and the rating at that bore to be confirmed in the quotation.

Two reading notes travel with the family's figures. First, the pressure figures are family ranges: 3 to 8 bar working (suction family range; the rating at your bore is confirmed in the quotation) and 9 to 24 bar burst (suction family range; the rating at your bore is confirmed in the quotation) span the family's bores — which is exactly why no single figure in the range may be quoted against a single size, and the rating at your bore is a quotation fact. Second, roll lengths run short for this family — 10 m to 30 m (suction family range; the lengths offered for your bore are confirmed in the quotation) against layflat's 30 m to 100 m (layflat family range; the lengths offered for your bore are confirmed in the quotation). The family whole is on the PVC suction hose page, including its thin-wall and thick-wall distinction and its named variants — anti-static, temperature-resistant and food-grade builds are all sized within this same family range, at their own names.

What to state when you enquire

• Pump inlet size: state it, or the pump model, in the enquiry.
• Lift, run length and bends: the run's geometry, stated with the inlet size.
• Medium: water, slurry, oil or chemicals — the duty the size is answered against, with solids or concentrations named.
• Variant, if any: anti-static, temperature-resistant or food-grade builds are specified at their names, within the family's range.
• Couplings: the end connections at the pump and at the source, so the sized hose and its fittings are quoted as one set.

What is the largest PVC suction hose size?

The family's published bore range tops out at 8 in (suction family range; the rating at your bore is confirmed in the quotation). Above that, state your requirement in the enquiry; whether a larger size can be offered is answered in writing, not read off the range.

Is the pressure the same at 8 in as at 2 in?

The published figures are family ranges across the bores, not per-size ratings. The rating at your bore is confirmed in the written quotation — ask for it at the named size.

Does the food-grade variant come in all sizes?

The variants are named within the family, whose range is 3/4 in to 8 in (suction family range; the rating at your bore is confirmed in the quotation). Which bores a named variant is offered in is confirmed per enquiry, at the variant's name.