계장 밸브

CHECK VALVE

개요

Water Valves is a leading instrumentation valve manufacturer, offering a full line of high-pressure instrumentation valves engineered for precision, reliability, and safety. Our industrial instrumentation valves—including ball valves, needle valves, check valves, and metering valves—are designed to handle demanding conditions across oil & gas, chemical processing, power generation, and other critical industries. With durable construction, various end connections, and customizable options, we deliver flow control solutions that meet your exact application requirements.

카테고리

Instrumentation Ball Vavles

Water Valves’ ball valves deliver efficient shut-off and control for instrumentation systems operating at pressures up to 6000 psi. Compact, corrosion-resistant, and built for frequent operation.

니들 밸브

Our needle valves ensure fine control of flow in high-pressure, high-precision applications. Ideal for gauge isolation, sampling, and pressure regulation.

체크 밸브

Prevent reverse flow and ensure system protection with our instrumentation check valves. Designed with low cracking pressure and long-term durability.

계량 밸브

Metering valves from Water Valves provide precise flow adjustment in low-to-medium flow rate systems, suitable for lab, gas analysis, and test equipment setups.

Technical Highlights

Pressure Ratings

Up to 6000 psi (414 bar), suitable for high-pressure instrumentation and process systems

Temperature Range

 -54°C to +232°C (-65°F to +450°F), with optional packing for cryogenic or high-temperature use

자료

SS316, Monel, Hastelloy C276, Duplex 2205, Inconel 625 — NACE MR0175 compliant for sour service

End Connections

NPT, BSPP, BSPT, compression (single/double ferrule), welded, and flanged options available

Packing Options

PTFE for standard use; Graphite for high-temp or fire-safe applications

Testing & Inspection

100% hydrostatic pressure tested; optional helium leak testing, PMI, and third-party inspection available

Markets & Applications

Instrumentation valves have many applications in the control process

Gas tanks and containers

Oil & Gas

Instrumentation valves are used in all aspects of the market, including exploration, upstream or downstream, deep hole drilling, chemical fracturing, natural gas, CNG & LNG storage, and transportation.

gas factory

Chemical & Petro-Chemical Processing

Chemical and chemically treated instrumentation fittings and valves are used in all industrial applications, from research laboratories and production processes to test plants.

The electric power

Power Plants

Instrumentation fittings and valves have many applications in the control process of power plants, including boilers, exhaust boilers and incinerators, turbine generators, condensers, material handling systems, etc.

자주 묻는 질문

A: Instrumentation valves are designed for precise control, isolation, and monitoring of fluids and gases in high-pressure systems. They are commonly used in pressure measurement, sampling, flow regulation, and system shutdown in industries like oil & gas, chemical, and power generation.

A: Our valves support pressure ratings up to 6000 psi (414 bar), depending on the valve type and material. We also offer custom pressure solutions for specialized applications.

A: Yes. As a professional instrumentation valve manufacturer, Water Valves supports custom end connections, pressure ratings, handle types, and materials such as Monel, Hastelloy, and Inconel.

A: Ball valves are ideal for quick on-off operation with minimal pressure drop, while needle valves are used for precise flow control. The choice depends on your system's flow regulation and shut-off requirements.

A: Yes, our valves can be supplied with NACE MR0175 compliance for sour service, and we perform 100% hydrostatic and optional helium leak testing to meet industry requirements.

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