Valves & Pumps

Design Features The single chamber (SC) pilot-operated pressure reducing valve is a hydraulic control valve that reduces higher upstream pressure to lower downstream pressure regardless of downstream flow fluctuation or variations in upstream pressure. These control valves are widely used in water distribution and fire protection systems featuring: Single-Chamber Design: The single chamber control valve has only one control chamber …

At Metalsin, we supply ductile iron NRS gate valves with a stem cap for waterworks. These valves installed in underground pipelines primarily carrying water intended for human consumption are required to be fitted with a stem cap to enable them to be operated by a ring-key and bar or T-shaped key. These key-operated stem cap gate valves may be designed …

At Metalsin, we supply BS 5163 Type A and Type B ductile iron flanged gate valves with non-rising stems (inside screw stems) and resilient seats, complying with EN 1074-1 and EN 1074-2. These gate valves are predominantly key-operated, for underground use for waterworks purposes and primarily for use with potable water. The range of valve sizes covered is DN 50 …

Design Features At Metalsin, we supply DIN 3352 F5 ductile iron non-rising stem (NRS) gate valves, which are furnished with resilient seat and flanged ends. DINF 3352 F5 denotes that the face-to-face dimensions are in accordance with Series F5 of DIN 3202-1, which is equivalent to Series 15 of EN 558-1. Both exterior and interior surfaces of the valves are …

Design Features At Metalsin, we supply DIN 3352 F4 ductile iron resilient seated non-rising stem (NRS) gate valves for waterworks. These valves feature: DIN 3352 F4: These gate valves are designed and manufactured in compliance with German standard DIN 3352. The face-to-face dimensions shall be made in accordance with series F4 of DIN 3202-1, which is equivalent to series 14 …

Design Features At Metalsin, we supply the DIN 3352 F4 ductile iron flanged gate valves for waterworks applications. These valves have the following design features: DIN 3352: It is a German standard established by the Deutsches Institut für Normung (DIN) that specifies the design, dimensions, materials, and performance requirements for resilient seated (wedge) gate valves. These valves are engineered to …

Design Features & Function The solenoid remote float control valve, also known as electromagnetically controlled remote float valve, is a modified version of the conventional Y-globe or single-chamber remote float valve. It is a diaphragm hydraulic control valve that utilizes the pipeline’s hydraulic pressure as its driving source and can also be remotely controlled electrically. It incorporates a solenoid valve and …

Design Features & Main Applications The single chamber remote float valve is a diaphragm-type hydraulic control valve that has only one control chamber located above the diaphragm. The single chamber design uses line pressure acting from below the valve trim while simultaneously applying pressure through a float mechanism to the control chamber above the diaphragm. The closure member (disc) of …

The remote float valve is a diaphragm-type hydraulic valve that uses the pressure within its own pipeline as its driving force. Equipped with an adjustable horizontal float ball, it regulates water injection to maintain a steady water level—even when flow rates vary. This reliable design makes it ideal for applications such as reservoirs and water tanks where precise liquid level …

What’re Pressure Relief & Sustaining Valves? The pressure relief and sustaining valve is a diaphragm-type hydraulic control valve that is actuated by the hydraulic pressure within its own pipeline. Its key advantage is its dual functionality—it can serve as either a pressure relief valve or a pressure sustaining valve. When operating as a pressure relief valve, it automatically releases any …

At Metalsin, we supply pilot-operated pressure reducing valves for waterworks. Such a pressure reducing valve is a pilot-operated, diaphragm-type hydraulic control valve that utilizes the pipeline’s own hydraulic pressure for operation. Its pilot mechanism regulates the main valve, ensuring that both hydrostatic and dynamic outlet pressures remain stable at the preset value despite fluctuations in inlet pressure or changes in …

At Metalsin, we supply ductile iron dual-plate wafer check valves, made in accordance with EN 12334, to waterworks applications. Dual-plate wafer swing check valves are a specialized type of check valve that combine a compact, wafer-style design with a dual-plate swing mechanism to offer improved sealing and performance in one-way flow applications. These valves have the following design features: These …