Concealed Stem Resilient Seated Gate Valves

Soft seal gate valve is a high-performance valve with elastic material seal, widely used in petroleum, chemical, electric power, water supply and drainage, paper making and municipal engineering and other working conditions. The valve is suitable for water, steam, oil, gas and slightly corrosive media, with excellent sealing performance and corrosion resistance. The soft seal gate valve adopts flexible sealing structure, the sealing surface is tightly fitted to ensure that there is no leakage when the valve is closed, and it is suitable for medium and low pressure systems. Product features include flexible opening and closing, easy operation, reliable sealing, wear resistance, and simple maintenance. The valve supports manual, electric and pneumatic drive methods to meet the demand for automation control. Its main function is to realize the cut-off and connection of pipeline media, to ensure the safe and stable operation of the system. With its excellent sealing performance and high cost-effective, soft seal gate valve has become an important valve equipment widely used in industrial and municipal piping systems.
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Concealed Stem Resilient Seated Gate Valves
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Concealed Stem Resilient Seated Gate Valves

Model: Z45X
Subtitle：Soft seal gate valve
The concealed stem resilient seat gate valve is a durable on/off isolation solution designed for water distribution, wastewater treatment and general industrial applications. It utilizes a concealed stem and resilient seat design to ensure compact installation, reliable sealing and low maintenance. The valve is strictly designed for full open or full close service and is not intended for throttling or flow...
Tags:Water Gate Valves
Classification:Soft Seal Gate Valves
Working conditions:construction work, waterwork, water treatment plant, air conditioning system
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Product Overview

The concealed stem resilient seat gate valve is a durable on/off isolation solution designed for water distribution, wastewater treatment and general industrial applications. It utilizes a concealed stem and resilient seat design to ensure compact installation, reliable sealing and low maintenance. The valve is strictly designed for full open or full close service and is not intended for throttling or flow regulation.

Applicable working conditions

Water supply: mains isolation and shutdown.

Wastewater treatment: isolation of slurry and sewage lines.

Industrial processes: fluid isolation in chemical and petrochemical plants.

Irrigation systems: on/off control of agricultural water supply networks.

Main characteristics

Concealed rod design
Compact installation: no rise in stem saves vertical space.
Low-torque operation: ACME threaded stem ensures smooth actuation.
Corrosion resistance: The valve stem is completely enclosed in the valve body.

Resilient seat design
Airtight shutoff: EPDM/NBR seats provide ANSI Class VI seals.
Zero Leakage: The resilient seat adapts to the movement of the gate for a perfect seal.
Maintenance-free: No lubrication of the valve seat and gate is required.

Valve Structure
Valve body material: ductile iron (EN-GJS-500-7), cast iron (GG25), or stainless steel (CF8M).
Gate material: epoxy coated ductile iron or stainless steel.
Seals: EPDM, NBR or Viton (-20°C to 120°C).

Operating characteristics
Full bore design: no flow restriction when fully open.
Bi-directional sealing: effectively isolates both flow directions.
Fire protection option: metal-to-metal backup seal (optional).

Product Advantages

Instant shut-off: Handwheel rotates 90° for complete shut-off.

Space saving: suitable for underground or confined space installation.

Anti-corrosion: Door and valve bodies are epoxy coated (optional).

Low maintenance: no stem packing adjustment required.

Selection Guide

Potable water: EPDM seals + NSF 61 certification.

Grinding media: Stainless steel gate + hardened seat.

High cycle load: lubrication-free stem design (10,000+ cycles).

Medium of use

Water/hot water, Sewage/wastewater

working condition

construction work, waterwork, water treatment plant, air conditioning system

summarize

This concealed stem resilient seated gate valve provides reliable on/off isolation for water, wastewater and industrial systems. Its maintenance-free design and gas-tight sealing properties make it ideal for applications requiring low-frequency operation and long-term reliability. Not intended for flow regulation or throttling.

Product Parameters

Nominal diameterDN50-DN600 (2"-24")
Nominal pressurePN10-PN16 (Class 150)
temperature range-20°C to 120°C
leakage ratezero leakage
connection methodFlanges (EN 1092-2).
Valve MaterialDuctile iron (EN-GJS-500-7), cast iron (GG25), stainless steel (CF8M)
Valve materialEpoxy coated ductile iron, stainless steel
sealing materialEPDM, NBR.

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Concealed Stem Resilient Seated Gate Valves
Tags.Water Gate Valves
Category. Soft Seal Gate Valves
The concealed stem resilient seat gate valve is a durable on/off isolation solution designed for water distribution, waste...