Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Two valve manifold

Two valve manifold

Two valve manifold
Two valve manifold

Two valve manifold
Two valve manifold

EF-1 Two Valve Manifold Instrument Double Block Valve Stainless Steel Gauge Manifold High Pressure OEM Factory Supply

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The Two Valve Manifold is a compact and reliable instrumentation valve assembly designed for pressure measurement, isolation, and calibration applications. It integrates two valves into a single body, typically including a shut-off valve and a vent or drain valve, providing safe instrument isolation and convenient maintenance operations.

Two valve manifold

With a compact structure, excellent sealing performance, and high-pressure resistance, the two valve manifold reduces installation space, minimizes potential leakage points, and improves system reliability. It is widely used in pressure transmitters, gauges, and process instrumentation systems requiring accurate pressure control and easy operation.

We provide professional OEM and customization services, including customized valve configurations, port arrangements, connection standards, pressure ratings, body and trim material selection, thread specifications, mounting designs, surface treatments, logo marking, packaging solutions, and special engineering modifications according to customer requirements.

Our products are manufactured under strict quality management systems and comply with international valve industry standards. We provide complete valve industry certifications and inspection documents, including material certificates, pressure test reports, dimensional inspection reports, and quality assurance documentation to ensure reliable performance for global customers.

Parameter Specifications

Parameter Specification
Product Name Two Valve Manifold
Valve Type Instrumentation Manifold Valve
Function Isolation, Venting, Pressure Measurement, Calibration
Valve Configuration 2 Valves (Block Valve + Bleed Valve)
Nominal Size 1/2"–2" (DN15–DN50)
Pressure Rating PN16–PN420 / Class 150–2500
Valve Body Material Stainless Steel 304, Stainless Steel 316, Carbon Steel, Alloy Steel, Customized
Trim Material Stainless Steel, Alloy Materials, Customized
Connection Type Threaded, Flanged, Socket Welded, Customized
Thread Standard NPT, BSP, BSPT, Metric Thread, Customized
Flange Standard ANSI, DIN, JIS, GB Standards
Applicable Medium Gas, Liquid, Steam, Oil, Chemical Fluids
Working Temperature -196℃ to +550℃ (According to Material Selection)
Operation Type Manual Handle / Handwheel Operation
Sealing Type Soft Seal / Metal Seal
Pressure Control Instrument Isolation and Pressure Relief
Leakage Standard ANSI B16.104 / ISO 5208
Pressure Test Standard API 598 / EN 12266
Surface Treatment Polishing, Anti-corrosion Coating, Customized Treatment
OEM Capability Custom Design, Drawing Development, Material Selection, Logo & Packaging Service
Certification ISO9001, CE, PED, API, Material Certificate, Pressure Test Report

Industry Applications

The Two Valve Manifold is widely used in industrial instrumentation systems requiring reliable pressure measurement, isolation, and maintenance functions.

Main Application Areas:

  • Oil & Gas Industry
    Used for pressure transmitter installation, pipeline monitoring, and process control systems.
  • Petroleum & Petrochemical Industry
    Applied in refining units, chemical process equipment, and pressure measurement systems.
  • Chemical Industry
    Suitable for controlling and isolating chemical process media with high safety requirements.
  • Power Generation Industry
    Used in steam, water, and pressure monitoring systems in power plants.
  • Natural Gas Systems
    Applied in gas pressure measurement, regulation, and transmission pipeline systems.
  • Water Treatment Industry
    Used for pressure monitoring and instrumentation control in water processing facilities.
  • Industrial Automation Systems
    Provides reliable connection and isolation solutions for sensors, transmitters, and control instruments.
  • Process Instrumentation Applications
    Ideal for pressure gauges, differential pressure transmitters, and calibration equipment.

Material customization plan

Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.

Structural optimization design

For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.

Interface standard adaptation

Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.

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