SS316 3-Valve Instrumentation Manifold Valve 6000 Psi 1/2" NPT for Pressure Transmitter Systems

• Customization: Available
• Media: Oil
• Material: Stainless Steel
• Model NO.: 3 way manifolds valve
• Connection Form: Thread
• Driving Mode: Manual
• Nominal Pressure: ANSI CLASS 150-900
• Channel: Straight Through Type
• Structure: Fixed Ball Valve
• Function: Flow Control
• Temperature: High Temperature
• Standard: Standard
• Application: Gas, Indurstry
• Product Name: Instrumentation Manifold Valve
• Body Material: SS316,Ss317,Hc-22,Hc-276,Monel400,Inconel625
• Pressure: 6000psi
• Application Field: Oil and Gas
• Keywords: Instrument Alloy Manfolds Valve
• Valve Type: 3-Valve Manifold
• Connection: 1/2''fnpt, Flange, 3/4''fnpt
• Valve Application: Pressure Transmitter / Instrumentation System
• Valve Function: Isolation & Equalizing Valve
• Transport Package: Box Packing
• Specification: 1/2-3/4 inch
• Trademark: NAI-LOK
• Origin: China
• HS Code: 8481804090
• Production Capacity: 1000/Month
• Package Size: 40.00cm * 30.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

NAI-LOK SS316 3-Valve Instrumentation Manifold Valve 6000 PSI 1/4" NPT for Pressure Transmitter Systems

Product Description

The NAI-LOK High Pressure 6000 psi Stainless Steel 3 Way Block and Bleed Valve Manifold for Instrumentation is designed for precise control, isolation, and equalizing functions in pressure transmitter and differential pressure transmitter systems. Engineered for high pressure applications up to 6000 PSI, this manifold valve ensures safe, reliable, and stable performance in industrial instrumentation systems.

This manifold valve is widely used to connect pressure transmitters to process pipelines, providing accurate pressure control, isolation, and maintenance convenience. The compact and robust design makes it suitable for demanding industrial environments where safety and reliability are critical.

 

Product Features

• High pressure instrumentation manifold valve
• SS316 stainless steel construction
• 2-valve / 3-valve / 5-valve manifold configurations available
• Maximum working pressure up to 6000 PSI
• Designed for pressure transmitter and DP transmitter systems
• Isolation, equalizing, and venting functions
• Leak-tight sealing performance
• Compact and robust industrial design
• Suitable for high pressure process applications
• Long service life and stable operation

 

Applications

This instrumentation manifold valve is widely used in:

• Pressure transmitter systems
• Differential pressure (DP) transmitter systems
• Oil & gas industry applications
• Petrochemical processing plants
• Chemical industry systems
• Power plants and energy systems
• Process control instrumentation
• Industrial pipeline monitoring systems
• Refinery and offshore platforms
• High pressure measurement systems

 

Suitable Media

• Process gas
• Oil and hydraulic fluids
• Water and steam
• Corrosive and non-corrosive fluids
• Industrial process media

 

Product Advantages

The SS316 stainless steel construction provides excellent corrosion resistance, high mechanical strength, and long-term durability in harsh industrial environments.

The manifold valve ensures safe isolation and balancing of pressure transmitters, improving system reliability and measurement accuracy.

Designed for high pressure operation up to 6000 PSI, it delivers stable performance in critical instrumentation and process control applications.

 

Product Variants

NAI-LOK offers a full range of instrumentation manifold solutions, including:

• 2-Valve Manifold
• 3-Valve Manifold
• 5-Valve Manifold
• Instrumentation Block & Bleed Valves
• Pressure Transmitter Manifold Valves
• Differential Pressure Manifold Valves
• SS316 Manifold Valve Series
• High Pressure Instrumentation Valves

 

Why Choose NAI-LOK

NAI-LOK specializes in precision instrumentation valves, tube fittings, manifolds, gas pressure regulators, and sampling systems for global industrial applications. Our products are widely used in oil & gas, petrochemical, chemical processing, power generation, and industrial instrumentation systems, delivering reliable performance, high pressure safety, and long-term operational stability in demanding environments worldwide.

 

Product Parameters

Parameter	Specification
Product Type	3-Way Manifold Valve (R & T Type)
Brand	NAI-LOK
Material	Stainless Steel 316; Alloy 400 (UNS N04400)
Pressure Rating	Up to 6000 psi (414 bar)
Temperature Range	-54°C to +232°C (PTFE) / -54°C to +450°C (Graphite)
Connection Type	NPT (1/4", 1/2"), Compression Tube Ends
Mounting Style	Direct Mount (for gauges & transmitters)
Stem Type	Needle-type with leak-tight shutoff
Packing Options	PTFE (standard), Graphite (high temp)
Compliance	ASME B31.3, NACE MR0175, ISO
Applications	Offshore oil & gas, Chemical plants, Marine, Process instrumentation

 

Material / Alloy	UNS Number	Main Characteristics
Hastelloy® C276	UNS N10276	Excellent resistance to strong oxidizers, chlorine, and a wide range of chemical environments.
Hastelloy® B2	UNS N10665	Outstanding resistance to hydrochloric acid at all concentrations and temperatures.
Hastelloy® B3	UNS N10675	Better thermal stability and corrosion resistance than B2, especially against hydrochloric acid.
Hastelloy® C22	UNS N06022	Superior resistance to oxidizing aqueous media, including wet chlorine and nitric acid.
Inconel® 600	UNS N06600	Excellent resistance to oxidation and corrosion, good strength at high temperatures.
Inconel® 625	UNS N06625	High strength and outstanding fatigue and thermal-fatigue resistance, excellent corrosion resistance.
Incoloy® 800H / 800HT	UNS N08810 / N08811	Good strength and oxidation resistance at elevated temperatures, used in heat exchangers and furnace components.
Monel® 400	UNS N04400	High strength and excellent resistance to seawater, acids, and alkalis.
Alloy 20	UNS N08020	Excellent resistance to sulfuric acid, used in chemical and petrochemical industries.
Alloy 254 SMO® (6Mo)	UNS S31254	Superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking.
Super Duplex® 2507	UNS S32750	High mechanical strength and resistance to pitting, crevice corrosion, and stress corrosion cracking.
Duplex 2205	UNS S32205	Balanced austenitic-ferritic structure, good resistance to chloride stress corrosion cracking.
904L Stainless Steel	UNS N08904	Excellent resistance to strong reducing acids (sulfuric acid), superior to 316L in corrosion performance.
Alloy C4	UNS N06455	Excellent resistance to strong oxidizing agents, even at elevated temperatures.
Alloy 825 (Incoloy® 825)	UNS N08825	Good resistance to sulfuric and phosphoric acids, widely used in chemical processing.

 

Detailed Photos