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The OH1 type is a horizontal, end‑suction, single‑stage, foot‑mounted, overhung centrifugal pump designed and manufactured in full compliance with API 610 12th Edition.
It adopts a back pull‑out design, allowing easy inspection and maintenance without removing the casing, piping or driver. The pump features a rigid shaft, precision bearings, and a reliable mechanical seal system, ensuring low vibration, low noise and stable long‑term operation.
Main Performance Data
Flow: 6 - 480 m3/h
Delivery Head: 5 - 125m
Outlet Dia.: 32 - 150mm
Working Pressure: ≤ 1.5Mpa
Solid Particle: ≤ 80mg/L
Liquid Temp.: 0℃ - 105℃
Model Instruction
E.G.: IH100-80-160A
IH: Single stage end suction pump (for clean & corrosive liquid)
100: Inlet diameter is 100mm
80: Outlet diameter is 80mm
160: Rate impeller diameter is 160mm
A(B,C....): Impeller code
Applications
Industrial water supply and discharge,
Food, wine, drink, drug industry,
Clean & Hot water transferring,
Chemical liquid transferring,
Sea water desalination & transferring,
Factory & residential drink water supply,
Fibre processing industry, Paper & pulp industry
Sugar industry, Heading & Air conditioning,
Enviromental protection engineering.
Main Parts Configuration
OH1: Single‑stage, horizontal, radially split volute, foot‑mounted, end‑suction process pump.
The pump could be applied to transfer different kinds of liquid by customized wet parts, here followed our recommendation of main configuration:
| Material Grade | Casing | Impeller | Shaft | Wear Rings / Sleeve | Throat Bushing | Fasteners (Stud/Nut) | Typical Service |
|---|---|---|---|---|---|---|---|
| I‑1 | ASTM A278 Class 30 | ASTM A278 Class 30 | AISI 1045 | CI | CI | A193 B7 / A194 2H | Clean water, non‑corrosive, low pressure |
| S‑5 | ASTM A216 Gr WCB | ASTM A216 Gr WCB | AISI 4140 (HT) | 12% Cr SS (HT) | 12% Cr SS (HT) | A193 B7 / A194 2H | General hydrocarbon, clean water |
| S‑6 | ASTM A216 Gr WCB | ASTM A217 Gr CA15 (12% Cr) | AISI 4140 (HT) | 12% Cr SS (HT) | 12% Cr SS (HT) | A193 B7 / A194 2H | Light corrosion, high‑temp water |
| S‑8 | ASTM A216 Gr WCB | ASTM A351 Gr CF8M (316 SS) | AISI 4140 (HT) | 316 SS (Hard‑faced) | 316 SS (Hard‑faced) | A193 B7 / A194 2H | Mild corrosion, carbon steel casing |
| A‑8 | ASTM A351 Gr CF8M (316 SS) | ASTM A351 Gr CF8M | A479 316 SS | 316 SS (Hard‑faced) | 316 SS (Hard‑faced) | A193 B8M / A194 8M | Moderate corrosion, low chloride |
| C‑6 | ASTM A487 Gr CA6NM | ASTM A743 Gr CA6NM | A276 420 SS (HT) | 420 SS (HT) | 420 SS (HT) | A193 B7 / A194 2H | Erosive, high‑temp water, sour service |
| D‑1 | ASTM A890 Gr 4A (2205 Duplex) | ASTM A890 Gr 4A | A479 XM‑19 | Duplex SS (Hard‑faced) | Duplex SS (Hard‑faced) | A193 B8M / A194 8M | High chloride, seawater, moderate sour |
| D‑2 | ASTM A890 Gr 5A (Super Duplex) | ASTM A890 Gr 5A | A479 XM‑19 | Super Duplex SS | Super Duplex SS | A193 B8M / A194 8M | Severe corrosion, high chloride, harsh chemicals |
