Pressure reducing valve
Pressure Reducing Valves, offered by Al Zerwa, are essential devices used in various industries to regulate and maintain optimal pressure levels within a fluid system. These valves are designed to decrease the incoming pressure from the upstream side to a lower, predetermined pressure on the downstream side. By effectively reducing the pressure, they prevent potential damage to pipelines, equipment, and other components that may be sensitive to high pressures. Pressure Reducing Valves ensure a controlled flow and protect against excessive pressure, enabling efficient operation and enhanced safety across a wide range of applications, including oil and gas, water treatment, manufacturing, and more. With Al Zerwa’s reliable and high-quality solutions, you can trust in their Pressure Reducing Valves to optimize your fluid systems.
- Available Material – Gun Metal, Stainless steel, Carbon Steel (WCB A216)
- Available Size – 1/2″ to 4”
- Available standard – DIN
- Available end connection – Flanged, Screwed
382 Series Pressure Reducing Valve
The 382 Series Pressure Reducing Valve is a reliable and efficient solution for regulating pressure in potable and service water systems. Constructed from polyamide-coated graphite cast iron with flanged connections, it ensures long-lasting performance and superior corrosion resistance. This upstream pressure-balanced diaphragm valve offers constant downstream pressure, even with fluctuating upstream levels.
- Available Material – Spheroidal graphite cast iron, Polyamide ,Stainless steel / Rubber, Rubber , Plastic
- Available Size – DN 50, DN 65, DN 80, DN 100, DN 125, DN 150, DN 200
- Available standard –Inlet pressure: up to 16 bar (PN 16) or 25 bar (PN 25, for DN50 – DN125) -Outlet pressure: from 1,5 to 7 bar
- Available end connection – Flange connections conforming to DIN EN 1092 standards
683 Pressure reducing valve
The Series 683 Pressure Reducing Valve is a high-performance device designed to regulate pressure in commercial and industrial piping systems. Constructed from robust gunmetal for the inlet and outlet body, and brass for internal components, this valve ensures durability and efficient performance. It is equipped with a spring steel mechanism for precise pressure adjustments and nitrile rubber (NBR) seals for reliable operation in temperatures ranging from -10°C to +95°C.
- Available Materials: Gunmetal (CC499K), Brass (CW617N), Spring Steel (ASTM A228), Nitrile Rubber (NBR) seals.
- Standards and Certifications: European Pressure Equipment Directive (PED 2014/68/EU), UK PESR 2016, and approvals from DNV, Lloyd’s Register, ABS, BV, RS, and RINA.
- Available End Connections: Female thread BSP-P as per DIN EN ISO 228-1.
- Available Sizes: Nominal diameters DN 10 to DN 32, with connections ranging from 3/8” to 1 1/4”.
683 Pressure reducing valve
The Series 683 pressure reducing valves are made of gunmetal and feature female threaded connections.
These valves are suitable for use with neutral air, gases, and vapors.They are designed to protect commercial and industrial plants from excessive supply pressure by ensuring that the outlet pressure does not exceed a certain limit, even when the inlet pressure varies.
Typical applications include compressed air supply plants, pneumatic control units, pressure booster plants on the air side, and the shipbuilding and offshore industries.
- Available Material – Inlet body: Gunmetal (CC499K)
- Available Size – Nominal diameters: DN 10, DN 15, DN 20, DN 25, DN 32
- Available standard – European Pressure Equipment Directive (PED 2014/68/EU)
- Available end connection – ailable End Connection:
Female thread BSP-P / Female thread BSP-P (DIN EN ISO 228-1 / DIN EN ISO 228-1)
681 Series Pressure Reducing Valve
The 681 Series Pressure Reducing Valve is engineered for hot and cold water, neutral and non-neutral liquids, compressed air, and neutral gases. It is made from robust gunmetal with threaded connections, suitable for high-pressure environments.
- Available Material: Gunmetal, stainless steel, Spring steel with anti-rust protection,Stainless Steel
- Available Standards:DIN EN 1567, DIN 1988, DIN EN ISO 3822, DGR 2014/68/EU
- Available End Connections: Threaded female NPT (National Pipe Thread) for inlet/outlet in sizes DN15, DN20, and DN25.
- Available Sizes: DN15 to DN50 nominal diameters
