Why choose screwed type valves ?
Screwed type valves offer benefits where space is limited – as the overall diameter of the valve is only marginally bigger than the pipe size.
In certain confined space installations, a barrel union may be required to fit or remove the valve.
Maric screwed valves threads conform to (AS ISO 7.1-2008), and the industry norm of:
Parallel female series RP
Tapered male series R
(Teflon tape in the joint is recommended for a water tight seal).
BSP threads are available in many sizes, in M&F, F&F, and F&M.
NPT threads are available in F&F only. (Not shown in our product data PDF).
What the Maric Valve does
The Maric Flow Control valve is designed to deliver a fixed, pre-set, constant (maximum) flow of water – irrespective of pressure differential across it within a given range, typically 140-1000 kPa.
This means constant flow rate, irrespective of fluctuating pressure upstream or downstream of the valve.
Control rubbers, together with the shape of their enclosure, controls the flow rate.
Please view/download the following Product Data PDFs – for full specifications, including available sizes and flow rates, configurations, dimensions, and performance:
- Screwed Valves
- Brass and Chrome
- 316 Stainless Steel
- Stainless Steel Screwed Valves NPT
- Flow Control Check Valves – 15mm
- Flow Control Check Valves – 25mm
- Control Rubber Types
Complete range of screwed, wafer, and insert type valves:
- Maric Catalogue
Valve introduction, application, technical, and general information.