ASTM A890 4A Gate Valve, 18 Inch, 1500 LB, OS&Y, API 600
Model Number: 1821137
Key Specifications / Features
As a leading duplex stainless steel gate valve exporter from China, we specialize in high-quality valves engineered to meet API 600 standards. Our 18-inch (DN450) gate valve, crafted from ASTM A890 4A duplex stainless steel, is built for exceptional strength and corrosion resistance. Rated for 1500 LB (PN250) pressure, it features RTJ flanged ends, an OS&Y configuration, and a screwed-in back seat for enhanced reliability. Designed for demanding industrial applications, our valves ensure durable performance and secure operation in high-pressure environments.
Detail Information
API 600 Wedge Gate Valve, OS&Y, ASTM A890 4A Body, 18 Inch/DN450, 1500 LB, RTJ Flanged.
Design Standard: API 600
Structure: Bolted Bonnet/Pressure Seal Bonnet
Bore Type: Standard Bore(API 600)
Body Material: ASTM A890 4A, ASTM A351 CF8M, ASTM A890 5A, ASTM B148 C95800, ASTM A352 LCB, ASTM A216 WCB, ASTM A351 CF8.
Nominal Size: 18 Inch, DN450
Nominal Class: CL 1500 LB, PN250
Operation: Handwheel/Gear
Trim Material: ASTM A182 F6A, ASTM A182 F304, ASTM A182 F316, ASTM A182 F51, ASTM A182 F53, ASTM A182 F55.
Face to Face: ASME B16.10
Test and Inspection: API 598
End Connection: RTJ Flanged
2. Screwed-in back seat enhances security.
3. Rising stem with non-rising handwheel for ease of use.
4. Flexible wedge provides superior sealing performance.
5. Low emission design ensures environmental compliance.
Normal Diameter: 2 Inch - 64 Inch (DN50 - DN1600)
Pressure Range: Class 150 LB - 2500 LB
End Connections: RF, RTJ, BW
Working Temperature: -29°C - +400°C
Operation: Handwheel/Gear/Motor
Bonnet Types: Bolted Bonnet, Pressure Bonnet, Welded Bonnet, Bellow Seal.

Valve Description
1821137 Gate ValveDesign Standard: API 600
Structure: Bolted Bonnet/Pressure Seal Bonnet
Bore Type: Standard Bore(API 600)
Body Material: ASTM A890 4A, ASTM A351 CF8M, ASTM A890 5A, ASTM B148 C95800, ASTM A352 LCB, ASTM A216 WCB, ASTM A351 CF8.
Nominal Size: 18 Inch, DN450
Nominal Class: CL 1500 LB, PN250
Operation: Handwheel/Gear
Trim Material: ASTM A182 F6A, ASTM A182 F304, ASTM A182 F316, ASTM A182 F51, ASTM A182 F53, ASTM A182 F55.
Face to Face: ASME B16.10
Test and Inspection: API 598
End Connection: RTJ Flanged
Key Features
1. OS&Y (Outside Screw and Yoke) design for reliable operation.2. Screwed-in back seat enhances security.
3. Rising stem with non-rising handwheel for ease of use.
4. Flexible wedge provides superior sealing performance.
5. Low emission design ensures environmental compliance.
Product Range
Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Aluminum BronzeNormal Diameter: 2 Inch - 64 Inch (DN50 - DN1600)
Pressure Range: Class 150 LB - 2500 LB
End Connections: RF, RTJ, BW
Working Temperature: -29°C - +400°C
Operation: Handwheel/Gear/Motor
Bonnet Types: Bolted Bonnet, Pressure Bonnet, Welded Bonnet, Bellow Seal.
Pressure Seal Bonnet Gate Valve

Supplier Information
Bosseal Valves (Suzhou) Co., Ltd.
Verified Supplier
Suzhou, Jiangsu, China
Est. 2013
Certifications:
API 6D
API 6A
API 600
API 602
API 599
API 609
Eliza
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