IMPA: 752156

Brass Needle Straight Valves with Male & Female Ends

This Brass Needle Straight Valve with male and female ends is engineered for precise flow regulation in marine fluid systems. The straight-through design and compact construction ensure minimal pressure drop and reliable throttling performance, making it an ideal choice for fuel, lubrication, cooling water, and instrumentation lines on ships and offshore installations.

Constructed from high-grade marine brass, this needle valve offers excellent corrosion resistance in saltwater environments. The fine tapered needle and precision-machined seat deliver accurate, leak-tight shut-off and fine flow adjustment. Both male and female BSP/NPT threaded connections allow flexible installation options in existing piping systems, eliminating the need for additional adapters.

Available in a range of standard port sizes, this universal valve meets the demanding requirements of commercial and naval vessels. It is an essential ship chandler item under IMPA 752156 and is a reliable replacement for needle valves in systems that require dependable flow control.

Key Features

Technical Specifications

SpecificationDetails
Product TypeNeedle Valve, Straight Pattern
ConnectionMale x Female Threaded Ends
Body MaterialMarine Grade Brass
Trim MaterialStainless Steel Needle & Seat
Thread StandardBSP / NPT (BSPT available)
Size Range1/8", 1/4", 3/8", 1/2"
Pressure RatingUp to 2000 PSI (depending on size)
Temperature Range-20°C to 180°C (-4°F to 356°F)
MediaWater, Oil, Fuel, Air, Low-Pressure Steam
OperationManual Knob
IMPA Code752156

Frequently Asked Questions

What sizes are available for this brass needle valve?

We offer this valve in standard pipe sizes from 1/8” to 1/2” with both BSP and NPT threads. For special applications, other sizes and thread standards may be available on request.

Can this valve be used with fuel and oil?

Yes, the marine-grade brass body and stainless steel needle are compatible with diesel, lubricating oil, water, and low-pressure steam. Always verify pressure and temperature ratings against your specific media and system conditions.

What is the maximum pressure rating?

Depending on the connection size, the maximum working pressure is up to 2000 PSI. For exact ratings, please refer to the detailed specification sheet for the specific size you order.

Are these valves suitable for offshore saltwater environments?

Yes, brass is selected for superior corrosion resistance in marine and offshore atmospheres. The valves are also pressure tested to ensure leak-tight performance under demanding shipboard conditions.

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