Stainless Steel 316 Adjustable High Pressure 5000 Psi Proportional Relief Valve for High Purity Gas Pipeline

• Customization: Available
• Media: Gas
• Certification: ISO
• Model NO.: PSV Relief valve
• Temperature: Ordinary Temperature
• Connection: Thread
• Pressure: Non-Ajustable
• Closed: Semi-Closed
• Structure: Spring
• Material: Stainless Steel
• Max Working Pressure: 300psi /6000psi
• Operating Temperature: -23 -204c
• End: Tube Fitting / Female X Male
• MOQ: 2PCS
• Delivery: in Stock
• Transport Package: Carton
• Specification: 1/4"
• Trademark: Nai Lok
• Origin: China
• Production Capacity: 1000000pieces/Years
• Package Size: 50.00cm * 50.00cm * 30.00cm
• Package Gross Weight: 20.000kg

Product Description

Product Description

NAI-LOK Pressure Relief Valve - Compact & Reliable Performance

Product Overview

The NAI-LOK Pressure Relief Valve is designed for applications requiring reliable overpressure protection in confined spaces. Featuring a compact body, externally adjustable cracking pressure, and robust construction, this valve ensures precise performance across a wide temperature range.

Key Features

 Space-Saving Design - Compact body ideal for installation in tight spaces.
 Externally Adjustable Cracking Pressure - Easy tuning without disassembly.
 Factory-Tested Reliability - 100% tested for crack and reseal performance.
 Wide Temperature Range - Operates from -10°F to 400°F (-23°C to 204°C).
 Secure Pressure Setting - Lock wire ensures settings remain intact.
 Versatile End Connections - Compatible with tube fittings or male/female threading.

Product Parameters

Technical Specifications

• Orifice Size: 4.8 mm (0.19 in)

• Cracking Pressure: Adjustable (affected by outlet pressure)

• Material: High-quality construction for durability

• Testing: Full factory validation for crack and reseal performance

Product Name	RV Series Relief Valve
Cracking Pressure Range	RV1:15-225 psig / 1-155 bar to atmosphere RV2: 225-1500 psig /16-104 bar to atmosphere
Max working pressure	RV1: 300 psig /21 bar RV2: 6000 sig/414 bar
Spring Types	Blue:15-225 psig /1-15.5 bar Yellow.225-750 psig/15.5-51.5 bar Purple:750-1500 psig /51.5-104 bar

RV1	N			4			S
Basic Series	End Connection			Size	Cracking pressure		Material
RV1 RV2	N-NAI-LOK F-Female NPT M-Male NPT			4-1/4in.   6-3/8 in.   8-1/2 in.	L-15-225psi A-220-350psi B-350-750psi C-750-1500psi D-1500-2250psi		S-316 Stainless steel

NAI-LOK is the leader in flow control technology fields of manufacturers.
NAI-LOK`s target is challenge and beyond the technical limits, continuing pursuit becoming the industry leader. Since the
establishment, we have settled the developing direction of research and develop precise valve, regulator, fluid connectors and high-tech flow control system products.
NAI-LOK`s products are widely accepted and approved by the users on its safety and stability. The application filed covering semi-conductor industry, aero-space industry, solar power battery, petroleum and petrochemical industry, power energy,bio-pharmaceuticals industry and vacuum system, etc. NAI-LOK will keep moving and making unceasing progress in the high-tech flow control field and serve the customers sincerely.

NAI-LOK`s reliable products are made continuous progress by the aim of "super, extreme, micro, preciseness" in the flow control system.

Application

• Hydraulic systems / Pneumatic controls /Process instrumentation /Industrial machinery

 Precision Engineering - Ensures consistent pressure management.
 Durable & Reliable - Built for demanding environments.
 Easy Installation & Maintenance - User-friendly design.