Engineering Catalog

Valves

Specialized valve and fluid control hub at Caspian Sanat ZAAL; offering cast iron metal-seated gate valves compliant with EN 1171 and flanged Y-strainers to protect meters, pumps, and hydraulic assets across water supply and industrial piping networks.
Comprehensive Buying & Technical Guide

Role of Valves in Pipeline Operation & Asset Protection

Valves represent crucial flow control components across every fluid transmission infrastructure. They govern line isolation during scheduled maintenance, flow regulation, pressure management, and sectional network control.

Alongside isolation valves, installing Y-strainers upstream of pumping stations and measuring instruments is essential to intercept suspended debris, scale, and foreign matter.

Cast & Ductile Iron Metallurgy in Heavy-Duty Infrastructure

Cast and ductile iron construction provides high compressive strength and mechanical endurance against bending moments and surge pressures along pipeline routes. Standardized flanged ends facilitate straightforward installation and replacement in valve chambers.

High-build protective epoxy coatings shield external and internal surfaces from oxidation, galvanic corrosion, and mineral encrustation.

Integrating Cast Iron Valves into Polyethylene Networks

Combining polymer piping with cast iron valves is the benchmark architecture across modern water supply and irrigation schemes. Polyethylene lines are bolted to valve flange faces using stub ends and metal backing rings.

This hybrid assembly leverages the corrosion resistance of polyethylene pipes alongside the mechanical strength and proven reliability of flanged iron valves.

Valves — Frequently Asked Questions

Which valve types are currently published in this catalog?

Currently, flanged metal-seated cast iron gate valves and cast iron Y-strainers are active in this section.

What is the reference standard for the metal-seated gate valve?

The metal-seated cast iron gate valve is manufactured and tested according to European standard EN 1171.

What is the operational function of a Y-strainer in a pipeline?

A Y-strainer traps solid particles and suspended impurities from the fluid stream, safeguarding downstream valves, pumps, and metering instruments.

Special Orders & Custom Dimensions

Can't find what you need?

If you require specific sizes, custom fittings or specifications not listed in the catalog, our technical team is ready to assist and review custom requests.