Coliter ® Flanged Ball Valve – PN16, Full Port, GB/T 15530.1
FQF001 Flanged Ball Valve – PN16, Full Port for Industrial & Utility Applications
The Coliter® FQF001 Flanged Ball Valve is a robust, full-port ball valve designed for industrial, municipal, and utility pipeline systems requiring reliable shut-off with minimal pressure loss. Constructed from high-quality forged brass or ductile iron body (depending on size), it features a precision-machined chrome-plated ball and PTFE seats for bubble-tight sealing and smooth operation. The valve is rated at PN16 (1.6 MPa) and suitable for water, oil, and saturated steam within an operating temperature range of -20°C to 110°C. Flange dimensions comply with GB/T 15530.1 standard, ensuring compatibility with common piping systems. Available in sizes from DN15 to DN150, the FQF001 is ideal for water treatment plants, district heating networks, fire protection systems, and industrial process lines where flanged connections offer ease of installation and maintenance.
Installation diagram
Product Description
| DN | n-ØC | K | L | H | A |
| 15 | 4-Ø14 | 65 | 75 | 78 | 130 |
| 20 | 4-Ø14 | 75 | 77 | 68 | 130 |
| 25 | 4-Ø14 | 85 | 81 | 84 | 140 |
| 32 | 4-Ø18 | 100 | 88 | 89 | 117 |
| 40 | 4-Ø18 | 110 | 89 | 94 | 177 |
| 50 | 4-Ø18 | 125 | 96 | 94 | 202 |
| 65 | 4-Ø18 | 145 | 110 | 112 | 202 |
| 80 | 8-Ø18 | 160 | 122 | 135 | 240 |
| 100 | 8-Ø18 | 180 | 138 | 138 | 240 |
| 125 | 8-Ø18 | 210 | 150 | 161 | 280 |
| 150 | 8-Ø23 | 240 | 175 | 172 | 280 |
Technical Specifications
Nominal Pressure: 1.6 MPa
Working Medium: Water, Oil, Saturated Steam
Operating Temperature: -20°C ≤ t ≤ 110°C
Flange Dimensions: Compliant with GB/T 15530.1 Standard
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Faq - Frequent questions
Introduction to Flanged Ball Valve
Coliter® supplies high-performance flanged ball valves designed for reliable on/off control in demanding water, oil, steam, and industrial pipeline applications. Featuring a full-port design, cast iron or ductile iron body with epoxy coating, and PTFE-sealed floating ball, these valves ensure minimal pressure drop and bubble-tight shut-off. Compliant with GB/T 15530.1 flange standards, rated at Pn16 (1.6 MPa), and suitable for temperatures up to 110°C. Available in sizes from DN15 to DN300 with standard bolt hole patterns. Ideal for HVAC, municipal water networks, power plants, and chemical processing—where durability, ease of maintenance, and long service life are essential. Backed by ISO-certified production and global OEM support.
