Why suction hose is a different construction
Every pumping set has two sides. The discharge side pushes; the suction side pulls, and a hose that works beautifully under positive pressure will flatten shut under vacuum. PVC suction hose answers with its published build: a smooth flexible PVC inner wall for flow inside a corrugated PVC outer wall — the build the company's product page describes — whose corrugation holds the tube's round cross-section against atmospheric pressure while the hose remains flexible enough to route around a site. This page covers the PVC construction; rubber and composite suction lines are different goods with different price and weight classes.
The company's published build is a smooth flexible PVC inner wall for flow, with a corrugated PVC outer wall that resists abrasion, weathering and scraping — the damage profile of hoses dragged across concrete, ballast and field edges. The standard colour is green, with the outer ribs shown in white, blue or black variants, and transparent or semi-transparent walls are listed. Sub-variants named on the product page include anti-static, high-temperature resistant, low-temperature resistant and food-grade PVC suction hose, which should be specified explicitly in an enquiry rather than assumed from the base product.
Published specification
| Item | Published data |
|---|---|
| Inside diameter | 3/4 in to 8 in |
| Working pressure | 3 to 8 bar |
| Burst pressure | 9 to 24 bar |
| Temperature range | -5 °C to +65 °C |
| Roll length | 10 m to 30 m (32.81 ft to 98.43 ft) |
| Standard colour | Green; transparent and semi-transparent options listed |
| Minimum order | 100 m (product page and FAQ agree) |
Note the shorter roll lengths compared with layflat: the published roll lengths for this family run from 10 m to 30 m. When you plan a suction line, remember that every metre and every bend costs prime; the shortest, straightest suction run is the efficient one, and it is usually better to move the pump than to extend the suction hose. State the pump's inlet size in the enquiry; the published range runs from 3/4 in to 8 in, and the quotation will confirm the pressure rating at your chosen bore, since the published 3 to 8 bar figure is the suction family's range, not a rating stated for any single size.
The burst figure in the table — 9 to 24 bar — is likewise a family range across the family's bores, not a burst rating stated for any single size; the burst rating at your bore is confirmed in the quotation.
Where this hose earns its keep
- Construction: construction sites — the application heading the company's product page records for this family.
- Municipal: municipal administration duties; the same product listing records heavy-duty suction and discharge of sewage among this family's duties.
- Agriculture: agriculture, the third application heading in the same listing; the intake arrangement and the medium for your line are stated in the enquiry.
- Industry: water, light chemicals, slurries, oil and grease transfer and debris-laden flows.
The company distinguishes thin-wall versions for low-pressure garden and domestic water delivery from thick-wall versions for dust, water and oil transfer; say which duty you mean in the enquiry, because the wall — and the price — differ. Pairing is the other practical point: a suction hose works as one side of a set, with layflat discharge hose on the other side and the camlock or flange couplings joining both to the pump, and one combined enquiry gets the whole set quoted as a kit with matching sizes — the form of order this page recommends, because the sizes chain.
What size suction hose matches a 3 inch pump?
State the pump's inlet size in the enquiry and have the suction bore for your set confirmed in the quotation. Undersizing starves the pump and invites cavitation; the suction line should be at least the inlet diameter, short and as straight as the site allows.
Can I see what is flowing through it?
Transparent and semi-transparent versions are listed in the company's range, which is why clear suction variants are covered here and cross-referenced from the clear PVC hose guide. State that you want a transparent wall when you enquire.
How is it packed and shipped?
In coils of 10 m to 30 m per the published length range, wrapped for export. A corrugated-wall hose ships as a round coil and does not pack flat; state your bore and metres in the enquiry, and the packing and freight for the set are confirmed in the quotation for that order.
Request a Quotation
Send the hose family, bore size, working pressure, length per roll and total quantity. MOQ, packing and lead time are confirmed in the written quotation for your exact specification. If the hose will be supplied as a finished assembly, name the coupling standard you need (for example camlock type and size, flange or thread) — or state that you need bare hose only.