QFF3 Needle Combination Valve Instrument Combined Valve Block Stainless Steel High Pressure Manifold Valve OEM Factory

The Needle Combination Valve is a precision control valve designed for accurate flow regulation, shut-off, and pressure control in instrumentation and industrial piping systems. It combines the functions of a needle valve and isolation valve, providing excellent throttling performance, reliable sealing, and smooth operation under demanding working conditions.

Inquire Now QFF3 Needle Combination Valve Instrument Combined Valve Block Stainless Steel High Pressure Manifold Valve OEM Factory

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Needle combination valve Parameter Specifications Industry Applications

Needle combination valve

Our Needle Combination Valves are manufactured with advanced production technology and strict quality control to ensure high performance, durability, and safety. We provide comprehensive OEM services and customized solutions, including valve structure design, material selection, connection standards, pressure ratings, sealing materials, surface treatment, actuator configuration, and customer-specific requirements.

With complete valve industry certifications and quality management systems, our products comply with international standards and can meet the requirements of various industries worldwide. We support customized manufacturing for different applications, working conditions, and project specifications.

OEM & Customization Capabilities:

Customized valve design according to customer drawings or technical requirements
Customized materials: Stainless steel, carbon steel, alloy steel, brass, and special alloys
Customized pressure ratings and temperature ranges
Customized connection types: Threaded, flanged, welded, and special connections
Customized sealing solutions for different media
Customized branding, logo marking, packaging, and OEM production
Professional engineering support and application solutions

Parameter Specifications

Parameter	Specification
Product Name	Needle Combination Valve
Valve Type	Needle Valve + Isolation Valve Combination
Nominal Size	DN6–DN50 / 1/4"–2" (Customized Available)
Pressure Rating	PN16–PN420 / Class 150–2500
Working Temperature	-196°C to +450°C (Customized Available)
Body Material	Stainless Steel, Carbon Steel, Alloy Steel, Brass
Trim Material	Stainless Steel, Hardened Alloy, Customized Materials
Connection Type	Threaded, Flanged, Socket Weld, Butt Weld
Thread Standard	NPT, BSP, BSPT, Metric Thread
Sealing Material	PTFE, Graphite, Metal Seal, Customized Options
Flow Control	Precision Needle Regulation
Operation Method	Manual Handwheel, Lever, Actuator Customized
Medium	Gas, Liquid, Steam, Oil, Chemical Media
Leakage Standard	Zero Leakage / According to Applicable Standards
Design Standard	API, ASME, DIN, GB, JIS Standards
Inspection Standard	Pressure Test, Leakage Test, Performance Inspection
Application	Instrumentation, Process Control, Industrial Pipeline Systems

Industry Applications

Oil & Gas Industry

Pipeline instrumentation systems
Pressure monitoring and control systems
Gas distribution and processing equipment

Petrochemical Industry

Chemical processing units
Reactor and storage systems
High-precision flow control applications

Power Generation Industry

Steam control systems
Boiler instrumentation pipelines
Auxiliary equipment control systems

Water Treatment Industry

Chemical dosing systems
Sampling and measurement pipelines
Precision fluid control systems

Hydraulic & Pneumatic Systems

Hydraulic control circuits
Pressure regulating equipment
Industrial automation systems

Instrumentation & Measurement Systems

Pressure gauge isolation systems
Transmitter connection assemblies
Calibration and testing equipment

CUSTOMIZED SERVICE Customized Product

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%.