Coliter ® Brass In-Line Filter, 1.6MPa, -20–120°C, Lead-Free, BSP Threaded
GL1001 Brass Filter – In-Line Strainer for Potable Water, Heating, and Industrial Fluid Systems
The Coliter® GL1001 Brass Filter is a high-efficiency in-line strainer designed to remove sand, rust, scale, and other particulate debris from potable water, heating, and light industrial fluid systems—protecting sensitive components such as meters, pumps, and control valves from clogging or damage. Constructed from lead-free brass, it features a removable stainless steel screen (40–100 mesh) for easy cleaning and maintenance. Rated for a nominal pressure of 1.6 MPa and operating temperatures from -20°C to 120°C, it complies with international plumbing standards. Threaded ends conform to ISO 228 (BSP parallel), available in sizes DN15 (G1/2") through DN50 (G2"). Compact, durable, and corrosion-resistant, the GL1001 ensures clean flow and extended equipment life in residential, commercial, and municipal installations.
Installation diagram
Product Description
| DN | G | L | H |
| 15 | 1/2" | 51 | 37 |
| 20 | 3/4" | 65 | 45 |
| 25 | 1" | 78 | 55 |
| 32 | 1¼ | 93 | 65 |
| 40 | 1½ | 102 | 75 |
| 50 | 2" | 120 | 89.5 |
Technical Specifications
Nominal Pressure: 1.6 MPa
Working Medium: Water、Non-corrosive Liquid
Working Temperature: -20℃ ≤ t ≤ 120℃
Pipe Threads: ISO 228
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Faq - Frequent questions
Introduction to Filter Valve
Coliter® offers high-efficiency filter valves designed to remove sand, rust, and debris from potable water, heating, and industrial fluid systems—protecting meters, pumps, and control valves from damage. The range includes the GL1001 brass in-line filter valve with 40–100 mesh stainless steel screen, and the GL3001 flanged Y-strainer for larger pipelines. Both feature lead-free brass or cast iron bodies, PV16 (1.6 MPa) rating, and operating temperatures up to 120°C. The GL1001 uses ISO 228 threads (G1/2"–G2"), while the GL3001 complies with GB/T 17241.6 flange standards. Ideal for residential plumbing, HVAC, and municipal installations—ensuring clean flow and extended equipment life with easy maintenance access.
