CLASS600 Carbon Steel Gate Valve

Class 600 carbon steel gate valve is designed for high-pressure and high-temperature industrial pipeline systems.

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Product Introduction

Key Features

01/

OS&Y (Outside Screw & Yoke) rising stem design provides clear open/close indication and safer operation

02/

Flexible wedge construction improves sealing performance under thermal expansion and pipeline stress

03/

Backseat sealing structure reduces stem leakage risk under high-pressure conditions

04/

Optional end connections: flanged or butt-weld for different pipeline systems

05/

Full open / full close design ensures low flow resistance and reliable isolation

06/

Suitable for critical shut-off service in high-pressure main pipelines

Technical Specifications

Size Range:	DN50–DN1200 (2"–48")
Pressure Rating:	Class 600 (ASME)
Body Material:	ASTM A216 WCB / WCC
End Connections:	RF / RTJ / BW (Butt Weld)
Design Standard:	API 600
Inspection Standard:	API 598
Face-to-Face Dimensions:	ASME B16.10
Flange Standards:	ASME B16.5 / ASME B16.47
Temperature Range:	-29°C to +425°C (depending on trim materials)

Typical Applications

This valve is engineered for demanding industrial isolation service in:

Oil and gas transmission pipelines

Refinery and petrochemical processing plants

Power generation systems

Steam and thermal utility networks

Chemical processing industries

High-pressure water and industrial utility systems

Quality Control & Testing

Each valve is manufactured under strict quality assurance procedures to ensure industrial reliability:

Raw material chemical and mechanical testing
CNC precision machining with dimensional inspection at each stage
API 598 pressure testing (shell test + seat leakage test)
Stem sealing and backseat leakage testing
Surface coating inspection for corrosion resistance
100% final inspection before shipment

All units are delivered with full traceable test reports and material certificates (MTC).

Packaging & Shipping

Standard export fumigated wooden case
Internal anti-rust oil protection for long-distance shipping
Shock-resistant packaging suitable for sea and air freight
Custom labeling and marking available for distributors and OEM customers

FAQ

Q: What is the MOQ?

A: Sample orders start from 1 piece. Bulk orders are usually 5–10 units per specification, depending on size and configuration.

Q: What payment terms do you accept?

A: T/T (30% deposit, 70% before shipment). L/C at sight is available for long-term or qualified partners.

Q: What trade terms are available?

A: EXW, FOB, CIF, and CFR. FOB is the most commonly used for international bulk shipments.

Q: What is the delivery time?

A: 15–30 days depending on size and quantity. Urgent orders can be arranged upon confirmation.

Q: How do you ensure product quality?

A: 100% tested according to API 598 (shell and seat test). Each valve comes with MTC and inspection reports.

Q: Do you provide warranty?

A: Yes, 12 months warranty under normal operating conditions, plus technical support when needed.

Q: Do you support OEM or customization?

A: Yes, OEM branding, packaging, and technical customization are available for distributors and projects.

Q: How are the valves packaged for export?

A: Export-grade wooden case with anti-corrosion protection, suitable for sea and air freight transportation.

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