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KOSO 400H Parallel Slide Valves Seal Thermal Power High Pressure Emergency Shut off Valves

1
MOQ
US $2500-3000 per set
Price
KOSO 400H Parallel Slide Valves Seal Thermal Power High Pressure Emergency Shut off Valves
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Features
Specifications
Valve Type: Parallel Slide Valve
Sealing Type: Metal-to-Metal Contact Seal
Main Application: Thermal Power Plant Petrochemical Industry
Key Performance: High Shut-Off Performance
Operating Conditions: High Pressure High/Low Temperature
Service Type: Emergency Shut-Off Venting Valves
Structure Feature: Unique Metal Contact Sealing Structure
Operation Reliability: Reliable Action Proven Track Record
Media: High Temperature Fluid Medium
Application Scope: Severe Service Critical Applications
Highlight:

KOSO 400H parallel slide valves

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high pressure emergency shut off valves

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thermal power pneumatic control valves

Basic Infomation
Place of Origin: Japan
Brand Name: KOSO
Model Number: 400H
Payment & Shipping Terms
Packaging Details: Carton/Wooden Case Packaging
Delivery Time: 6-8 weeks
Payment Terms: T/T
Supply Ability: 800 sets per year
Product Description
KOSO 400H Parallel Slide Valves Product Overview

The KOSO 400H Parallel Slide Valves are heavy-duty industrial control valves engineered to deliver exceptional performance in the most demanding process environments. Featuring KOSO's proprietary metal-to-metal contact sealing structure, these valves ensure reliable operation and superior shut-off performance. Designed for critical applications in thermal power plants, petrochemical facilities, and oil and gas processing, the 400H series has a proven track record of reliability under high pressure and extreme temperature conditions, making it the ideal choice for emergency shut-off and venting services.

Features
  • Unique Metal-to-Metal Sealing: Utilizes KOSO's exclusive sealing structure for reliable, long-lasting performance and tight shut-off.
  • Extreme Temperature Resistance: Operates effectively in both high and low temperature conditions.
  • High Pressure Capability: Built to withstand the high-pressure demands of industrial processes.
  • Emergency Service Ready: Specifically designed for critical emergency shut-off and venting applications.
  • Proven Reliability: Backed by years of successful operation in severe service conditions.
  • Heavy-Duty Construction: Robust design ensures durability and stability in harsh industrial environments.
  • Precise Fluid Control: Optimized for accurate regulation of high-temperature fluid media.
  • Versatile Actuation: Compatible with a range of actuation options for flexible integration.
Technical Specifications
Brand: KOSO
Model: 400H
Valve Type: Parallel Slide Valve
Sealing Type: Metal-to-Metal Contact Seal
Body Rating: ANSI Class 150–600, JIS 10K–40K
Fluid Temperature: -45°C to +500°C
Connection Type: Flanged (RF, RTJ)
Body Material: Carbon Steel, Stainless Steel
Rangeability: Up to 100:1
Leakage Class: ANSI Class VI
Actuator Type: Pneumatic, Electric
Applications

The KOSO 400H Parallel Slide Valves are widely used across various industries for critical process control:

  • Thermal Power Plants: For boiler feedwater, steam, and auxiliary systems.
  • Petrochemical Industry: In refineries, chemical processing, and pipeline systems.
  • Oil and Gas: For high-pressure transmission and processing.
  • Chemical Processing: Handling corrosive and high-temperature fluids.
  • General Industry: For emergency shut-off and venting in severe service conditions.
FAQ
Q: What makes the KOSO 400H valve suitable for high-temperature applications?
A: The valve's robust construction and metal-to-metal sealing design enable it to maintain performance and integrity at temperatures up to +500°C.
Q: What is the pressure rating of the 400H series?
A: The valves are rated up to ANSI Class 600 and JIS 40K, making them suitable for high-pressure industrial applications.
Q: Can the 400H valve be used for emergency shut-off?
A: Yes, it is specifically designed for reliable emergency shut-off and venting services in critical process systems.
Q: What materials are available for the valve body?
A: The body is available in carbon steel and stainless steel to suit various process media and conditions.
Contact Us

For inquiries, pricing, and support, please contact us via:

  • WeChat / WhatsApp / Phone: +86 13472860702
Related Products
  • KOSO 210C Concentric Segmental Ball Valves
  • KOSO 230C High-Pressure Control Valves
  • KOSO 500H Globe Control Valves
  • KOSO Pneumatic Actuators
  • KOSO Electric Actuators
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

D
Daulet Nurgazin
Kazakhstan Mar 19.2026
I purchased the Flowserve 3821 and am very satisfied with the overall transaction. The item arrived in good condition, matched the specifications accurately, and performed as expected. The seller demonstrated strong professionalism, provided a reasonable price, and ensured the delivery schedule was met. A dependable supplier that I would confidently work with again.
Y
Yacine Galoul
Algeria Apr 4.2025
very good of product
E
edward makara
South Africa May 3.2024
great quality
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Get in touch with us
Contact Person : Mr. Edward Zhao
Tel : +8615000725058
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