Nai-Lok Compact Relief Valve SS316 1/4" NPT Connection, 4000psi Safety Pressure Release

• Customization: Available
• Media: Gas
• Certification: ISO
• Model NO.: RV
• Temperature: Low Temperature
• Connection: Thread
• Pressure: Adjustable
• Structure: Spring
• Material: Stainless Steel
• Valve Style: Relief Valve
• Port Size: 1/4-1/2 Inch
• Body Material: SS316/Hastolly
• Working Pressure: RV1: 300psi
• Application Field: Industrial Usage
• Keywords: Relief Valve
• End Connection: Female/ Male/ Nai-Lok Tube Fitting
• Handle: Black Nylon/ Butterfly/ Lever
• Working Pressure RV: RV2: 6000psi
• Spring Types: Blue: 15-225psi; Yellow: 225-750psi
• Transport Package: Box Packing
• Specification: 1/4''-1/2''
• Trademark: NAI-LOK
• Origin: China
• HS Code: 8481300000
• Production Capacity: 1000/Month
• Package Size: 30.00cm * 12.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

NAI-LOK Compact Relief Valve SS316 1/4" NPT Connection, 4000psi Safety Pressure Release

Product Description

The NAI-LOK Compact Relief Valve is a high-performance safety device designed to protect sensitive instrumentation and process systems from overpressure. Manufactured from high-quality SS316 stainless steel, this relief valve ensures excellent corrosion resistance and durability even in demanding environments.

Featuring a 1/4" NPT male connection, this valve is suitable for gas and liquid service in industrial, laboratory, and analytical applications. The preset cracking pressure of 4000 psi ensures precise and reliable pressure release to maintain system integrity and safety.

Technical Date

RV1 Series

-Cracking pressure Range:15-225psig to atmosphere      

 

- Max working pressure: 300psig    

- Operating Temperature Range: -10ºF to 400ºF(-23ºC to 204ºC)

- Orifice size:4.8mm(0.19in)

 

- One Spring adjustable over entire cracking pressure range,blue -color spring standard

 

- Cracking pressure is affectted by the outlet pressure.
 

RV2 Series

-Cracking pressure Range:220-350psig;  350-750psig; 750-1500psig; 1500-2250psig; 2250-3000psig; 3000-4000psig; 4000-5000psig; 
                                          5000-6000psig

 

- Max working pressure: 6000psig    

- Operating Temperature Range: -10ºF to 400ºF(-23ºC to 204ºC)

- Orifice size:3.4mm(0.13in)

 

- One Spring adjustable over entire cracking pressure range,blue -color spring standard

 

- Cracking pressure is affectted by the outlet pressure.

 

 

Features

- Compact body for installation in small space

- Cracking pressure adjustable externally

- Lock wire capability to maintain pressure relief setting

- 100% factory tested crack and reseal performance

Product Parameters

 

Relief Valve Type	Industrial valve, instrumentation valve
Style	Forged,Casting
Size	Industrial valve DN15-DN150    Instrumentation valve: 1/4 to 1/2 inch
Cracking Pressure Range	RV1: 15-225 psi/ 1-15.5 bar to atmosphere RV2: 220-6000 psi/ 15-413 bar to atmosphere
Body Material	316 Stainless Steel
Max. Working Pressure	RV1: 300 psi/ 21 bar RV2: 6000 psi/ 414 bar
Spring Types	Blue: 15-225 psi/ 1-15.5 bar Yellow: 225-750 psi/ 15.5-51.5 bar Purple: 750-1500 psi/ 15.5-104 bar
Operating Temperature Range	-10°F to 400°F(-23°C TO 204°C)

 

Detailed Photos