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Hydraulic Porta Power Valves

High-Pressure Hydraulic Control Valves for Porta Power Systems

ما Hydraulic Porta Power Valves are designed to provide precise control, تنظیم فشار, load holding, and flow management for high-pressure hydraulic systems. Manufactured for 700 نوار (10,000 PSI) فشار عملیاتی, these industrial-grade valves are ideal for hydraulic cylinders, porta power kits, پمپ های هیدرولیک, and synchronized lifting systems.

The product range includes needle valves, shut-off valves, gauge snubber valves, شیرهای چک, pilot-operated check valves, شیرهای کاهش فشار, sequence valves, and flow control valves, providing reliable solutions for lifting, فشار دادن, کشیدن, بستن, and hydraulic maintenance applications.

Built from high-strength steel with corrosion-resistant finishes, LONGLOOD hydraulic valves deliver dependable performance in demanding industrial environments.

ویژگی های کلیدی

عملکرد فشار بالا

All valves are designed for continuous operation at 700 نوار (70 MPa / 10,000 PSI), ensuring safe and reliable performance in high-pressure hydraulic systems.

مزایا شامل:

  • ساخت و ساز سنگین
  • Stable hydraulic control
  • High-pressure reliability
  • عمر طولانی

Precision Hydraulic Flow Control

Selected models provide smooth and accurate oil flow adjustment for applications requiring precise cylinder movement and pressure regulation.

مناسب برای:

  • Cylinder speed control
  • Flow regulation
  • Pressure adjustment
  • Hydraulic balancing
  • Controlled load lowering

Reliable Load Holding

Load-holding valves prevent unintended cylinder movement in the event of pressure loss, improving operational safety during lifting and positioning applications.

برنامه های کاربردی شامل:

  • Hydraulic lifting
  • حمایت ساختاری
  • موقعیت یابی تجهیزات سنگین
  • عملیات تعمیر و نگهداری
  • Long-duration load holding

ساخت و ساز مقاوم در برابر خوردگی

All valves feature corrosion-resistant surface treatments for long-term durability in harsh industrial environments.

Available options include:

  • Zinc-coated finish
  • Nickel-plated finish
  • Viton® seal options for high-temperature service
  • Heavy-duty steel body

Leak-Free NPTF Connections

Precision-machined NPTF threaded ports minimize hydraulic leakage while ensuring secure, high-pressure connections.

Hydraulic Valve Product Range

V-82 – Hydraulic Needle Valve

در V-82 is a manually adjustable needle valve designed to control hydraulic cylinder speed and temporarily hold loads during hydraulic operations.

ویژگی ها

  • Cylinder speed control
  • Load holding capability
  • 3/8" NPTF female ports
  • 700 فشار کاری بار

V-182 – Compact Needle Valve

در V-182 offers the same functionality as the V-82 in a more compact configuration with 1/4" NPTF ports, making it suitable for smaller hydraulic systems and gauge protection.

ویژگی ها

  • طراحی فشرده
  • Gauge snubbing applications
  • 1/4" NPTF female ports
  • 700 bar working pressure

V-8F – Fine Metering Valve

Designed for applications requiring highly accurate hydraulic flow adjustment.

ایده آل برای:

  • Precision cylinder movement
  • Flow regulation
  • Hydraulic testing

Not recommended for load holding.

V-91 – Gauge Snubber Valve

Protects hydraulic pressure gauges by reducing pressure surges and preventing sudden pointer movement.

مزایا

  • Adjustable pressure damping
  • Gauge protection
  • Suitable for high-cycle systems
  • Compatible with GA-Series gauge adaptors

V-10 – Fixed Gauge Restrictor Valve

Automatically limits pressure shock transmitted to hydraulic gauges without requiring manual adjustment.

ایده آل برای:

  • Pressure monitoring
  • Hydraulic testing
  • Gauge protection

V-17 – Check Valve

A rugged hydraulic check valve designed to provide smooth closing with minimal pressure loss.

امکانات شامل:

  • Shock-resistant construction
  • Low pressure drop
  • عملکرد صاف
  • Heavy-duty design

V-42 – Pilot-Operated Check Valve

Designed for mounting directly on double-acting hydraulic cylinders to safely hold loads during pressure loss.

برنامه های کاربردی

  • Hydraulic lifting
  • نگهداری بار
  • Cylinder locking
  • حمایت ساختاری

Pilot Ratio: 6.5:1


V-66 / V-66NV – Load Holding Valve

The V-66 series provides dependable load holding for both single-acting and double-acting cylinders.

V-66 Features

  • Controlled oil return
  • Reliable load holding
  • ساخت و ساز سنگین

V-66NV Features

  • Viton® seals
  • Nickel-plated body
  • مقاومت در برابر خوردگی عالی
  • High-temperature capability

V-66F – Precision Flow Control Valve

Provides extremely fine hydraulic flow adjustment for applications requiring precise cylinder positioning.

مناسب برای:

  • Hydraulic testing
  • Precision movement
  • Fine metering

Not intended for load holding.

V-152 – Adjustable Pressure Relief Valve

The V-152 protects hydraulic systems by limiting maximum operating pressure.

ویژگی ها

  • Pressure adjustment from 55–700 bar
  • ±3% pressure repeatability
  • 0.9 m return hose included
  • Viton® seals
  • Nickel-plated finish
  • Adjustable pressure setting

برنامه های کاربردی شامل:

  • Pump protection
  • Pressure limiting
  • ایمنی سیستم هیدرولیک
  • Equipment protection

V-161 – Sequence Valve

The V-161 controls oil flow between primary and secondary hydraulic circuits.

عملیات:

  • Blocks secondary flow until preset pressure is reached
  • Automatically opens secondary circuit
  • Maintains pressure differential
  • Minimum operating pressure: 140 نوار

ایده آل برای:

  • Multi-cylinder systems
  • Hydraulic automation
  • Sequential hydraulic operations

مشخصات فنی

مورد مشخصات
حداکثر فشار کاری 700 نوار (70 MPa / 10,000 PSI)
نوع موضوع NPTF
Valve Types Needle, بررسی کنید, Pilot Check, Relief, Sequence, Flow Control
Body Material High-Strength Steel
Seal Options استاندارد / Viton®
پایان سطح پوشش مقاوم در برابر خوردگی
برنامه های کاربردی پمپ های هیدرولیک, سیلندرها, Porta Power Systems

برنامه های کاربردی

LONGLOOD Hydraulic Porta Power Valves are widely used in:

  • سیستم های بالابر هیدرولیک
  • سیلندرهای هیدرولیک
  • Porta power kits
  • پرس های هیدرولیک
  • Bridge lifting equipment
  • Flange maintenance systems
  • تعمیر و نگهداری تجهیزات سنگین
  • ماشین آلات ساختمانی
  • تجهیزات معدن
  • روغن & gas projects
  • کارخانه های پتروشیمی
  • کشتی سازی
  • ساخت فولاد
  • تولید صنعتی
  • سیستم های تست هیدرولیک

مزایای محصول

  • Rated for 700 نوار (10,000 PSI)
  • ساخت و ساز صنعتی سنگین
  • Precision hydraulic flow control
  • Reliable load holding
  • Leak-resistant NPTF connections
  • Corrosion-resistant finish
  • Smooth and accurate operation
  • سازگار با سیستم های هیدرولیک استاندارد
  • عمر طولانی
  • نیازهای نگهداری کم

Why Choose LONGLOOD Hydraulic Valves?

LONGLOOD is a professional manufacturer of hydraulic tools, سیلندرها, پمپ ها, and high-pressure hydraulic components. Our hydraulic valves are engineered for demanding industrial applications where safety, دقت, و قابلیت اطمینان بسیار مهم هستند.

ما فراهم می کنیم:

  • OEM & تولید ODM
  • قیمت گذاری مستقیم کارخانه
  • راه حل های هیدرولیک سفارشی
  • تولید لیبل خصوصی
  • بازرسی کیفیت دقیق
  • Fast production
  • Worldwide export
  • پشتیبانی مهندسی حرفه ای

Every valve is pressure-tested before shipment to ensure dependable performance and long-term reliability.

سوالات متداول (سوالات متداول)

What are hydraulic porta power valves used for?

Hydraulic porta power valves control oil flow, regulate pressure, hold loads, sequence hydraulic operations, and protect hydraulic components in high-pressure hydraulic systems.

حداکثر فشار کاری چقدر است?

All standard LONGLOOD hydraulic valves are designed for a maximum operating pressure of 700 نوار (70 MPa / 10,000 PSI).

Which valve should I choose for load holding?

For load-holding applications, we recommend:

  • V-42 – Pilot-operated check valve for double-acting cylinders.
  • V-66 / V-66NV – Load-holding valves for single-acting and double-acting cylinders.

Which valve is suitable for precise flow adjustment?

For fine hydraulic flow control, choose:

  • V-8F – Fine metering valve.
  • V-66F – Precision flow control valve.

These models are designed for accurate cylinder movement but are not intended for load holding.

What is the purpose of the V-152 pressure relief valve?

در V-152 limits the maximum hydraulic system pressure to protect pumps, سیلندرها, شیلنگ ها, and other hydraulic components from overload. The pressure setting is adjustable from 55 به 700 نوار.

Can these valves be used with standard hydraulic cylinders?

بله. Our hydraulic valves are compatible with most single-acting and double-acting hydraulic cylinders, پمپ های هیدرولیک, شیلنگ ها, and porta power systems using standard NPTF connections.

Do you offer high-temperature versions?

بله. Models such as the V-66NV و V-152 are available with Viton® seals و nickel-plated bodies for high-temperature environments and enhanced corrosion resistance.

Can you provide OEM and customized hydraulic valves?

بله. We offer complete OEM and ODM services, از جمله:

  • Custom valve configurations
  • برندسازی برچسب خصوصی
  • Logo engraving
  • بسته بندی سفارشی
  • برچسب گذاری محصول
  • مستندات فنی

What industries use hydraulic control valves?

Our hydraulic valves are widely used in:

  • ساخت و ساز
  • روغن & گاز
  • معدن
  • مهندسی پل
  • تولید
  • ساخت فولاد
  • کشتی سازی
  • تعمیر و نگهداری تجهیزات سنگین
  • Hydraulic repair
  • Industrial automationآیا سفارشات عمده فروشی را در سراسر جهان عرضه می کنید؟?

بله. LONGLOOD manufactures and exports hydraulic valves to distributors, equipment manufacturers, hydraulic system integrators, and industrial suppliers worldwide, offering competitive factory pricing and reliable global delivery.

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