Support & Resources

PDAM Surya Sembada Kota Surabaya promptly installed a pipe chamber along Jl. Balas Klumprik in the Wiyung District on Saturday, December 14, 2024. This chamber was built to accommodate various pipe accessories—such as a pressure reducing valve (PRV), a flow meter, and a gate valve—to help regulate water pressure and distribution in the Balas Klumprik area and its surroundings. A …

Pressure reducing valves are critical components in water supply systems. They are installed immediately after the water meter or at the main supply line. Their primary function is to reduce the high incoming water pressure from the municipal supply to a lower, safer, and more consistent level before the water is distributed throughout a building. Key Applications in Water Supply …

The Pegirian Pump House, located on Jalan Pegirian in Surabaya, Indonesia, is a vital facility managed by PDAM Surya Sembada, the regional water utility company. This pump house plays a crucial role in the city’s water distribution network by ensuring a consistent and reliable supply of clean water to various neighborhoods. Over the years, it has undergone several maintenance and …

On the afternoon of March 19, 2025, in Balas Klumprik, Wiyung District, Surabaya, Indonesia, PDAM Surya Sembada conducted wash-out repair work on the local water supply pipelines and replaced a corresponding underground gate valve. Metalsin has been supplying various waterworks valves to the Indonesian market, typically stem-cap fitted underground gate valves These valves are generally made of ductile iron and are …

The UK water infrastructure is undergoing transformative upgrades, and Metalsin is proud to play a vital role in this evolution. As Anglian Water embarks on one of Europe’s largest environmental projects by developing a new drinking water grid across the East of England, our range of pressure reducing valves and gate valves is designed to meet stringent British standards and …

Since the Indonesian Army launched the Manunggal Air plan in 2022, it has established 2,700 clean water supply points nationwide—particularly benefiting rural and remote areas—greatly improving residents’ quality of life and agricultural irrigation conditions while supporting national food security and environmental sustainability. Against this backdrop, our company Metalsin, leveraging its extensive experience in manufacturing and supplying water valves, has become …

At Metalsin, we have been supplying a series of water valves to Indonesia’s waterworks industry. Most of these water valves are made from ductile iron, which faces accelerated corrosion due to a combination of environmental factors inherent to the region’s tropical, archipelagic climate: Persistent Moisture and High Humidity: The consistently high humidity and frequent, heavy rainfall create a persistently moist …

The Karian-Serpong Drinking Water Supply System in Banten is a flagship infrastructure project designed to deliver a reliable, high-capacity supply of clean water—approximately 4,600 liters per second—to around 1.84 million people in Greater Jakarta and its surrounding regions, thereby supporting Indonesia’s ambitious goal of achieving full urban clean water coverage by 2030. Financed through a public–private partnership backed by international …

In Banten Province, located in western Indonesia, the rapid growth in economy, industry, and population has raised the demands for water resource management and supply systems. As an integral component of the region’s waterworks projects, high-quality water supply valves are crucial for ensuring safe drinking water, improving water quality, and enabling the reuse of treated wastewater. Leveraging years of manufacturing …

Under the guidance of the Belt and Road Initiative, China Power Construction Corporation (Power China) is actively involved in key civil infrastructure projects in southern Kuwait. Located in the new city of South Sabah Al-Ahmad, the T1210 Villa Complex and T1282 Infrastructure projects are major developments. The T1210 Villa Complex, covering the N4, N6, and N8 districts, includes residential villas …

Recently, the National Water Company (NWC), represented by the Eastern Cluster, announced the commencement of 12 projects worth SAR 1.5 billion to strengthen the components of its system in the Eastern Province. NWC aims to increase service coverage and reduce environmental damage for the residents of 50 districts in Dammam city and the governorates of Al-Khobar, Al-Qatif, Al-Ahsa, and Hafr …

SJZ Metalsin has supplied a batch of BS 5163 gate valves with bypass design to a NWC’s water distribution project, in Riyadh, Saudi Arabia. These valves have the following design characteristics: (1) resilient seated and non-rising stem (NRS); (2) stem cap furnished for key/bar operation; (3) bolted bonnet and flanged ends according to BS 4504 PN16; (4) body and bonnet …