NRS(Non-rising stem) gate Valve Manufacturer

NRS(Non-rising stem) gate Valve

Body material: Carbon steel, Stainless steel, Alloy steel ,Monel, Duplex, Inconel,etc
Size range(s):1/2″~40″
End Connection: RF, RTJ,BW, 
Pressure rating: Class150 – Class1500
Working temperature: -29℃ – +560℃
Operation: Handwheel, gearbox, Electric-actuator, Pneumatic- actuator, etc.

Description

API 600 NRS(Non-Rising Stem) Gate Valve is the same as OS&Y gate valve that fully opens and fully closes to start and stop the flow. The difference is that the height does not change when opening and closing the gate valve, so the installation space is small. It is used for large-diameter valves and pipelines with limited installation space

Application

Gate valves provide optimum performance in conditions where high flow efficiency, tight shut off and long service is required. A wide choice of shell and trim materials do cover the whole range of applications, from the everyday type of non-corrosive service to critical service with highly aggressive media. The gate valve is widely applicable for oil, chemical, and power station.

Technical specification

Design & manufacturing standard as per API 600/API603
Face-to-face standard as per ASME B16.10 / ANSI B16.10/ MSS-SP-44
Fanged ends standard as per ASME B16.5 / ASME B16.47/ASME B 16.25/ASME B 16.11/ASME B 1.20.1
Testing & inspection standard as per API598 / API600 / ISO5208

Product Range

Body material: Carbon steel, Stainless steel, Alloy steel, Monel, Duplex, Inconel
Size range(s):1/2″~40″
Pressure rating: Class150~Class 1500
End connection: RF, RTJ,BW
Working temperature:-29℃~+560℃
Mode of operation: Handwheel, gearbox, Electric-actuator, Pneumatic- actuator, etc.

Design Features

Type: metal seal type, soft seal type
Flexible wedge / solid wedge
Non-rising stem
Small flow resistance for fluid.
Only a small force is required for opening/closing.
The sealing is reliable ensuring tightness and long service life.1

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