Maxseal Spring Loaded Regulator (J7x Series)
Maxseal high-performance spring loaded regulator designed to perform in the harshest environments
Introducing the latest innovation in the Maxseal range, our High-Pressure Stainless Steel Regulator stands as a testament to our commitment to quality and reliability. This new addition upholds the Maxseal reputation, offering unparalleled performance in the most demanding environments.
Designed to service Process, Instrumentation and other bespoke system applications. Our pressure regulating valves delivers consistent pressure regulation and flow outputs for a variety of industrial applications.
Elevate your systems with the Maxseal High-Pressure Stainless Steel Regulator, where advanced engineering meets practical design to deliver a regulator solution that you can trust.
- Up to 414 bar inlet pressure (standard pressure version) / up to 700 bar inlet pressure (high pressure version).
- Low-friction piston: Provides increased sensitivity for precise control.
- CFD optimised valve seat provides stable delivery pressure with varying inlet pressure.
- High pressure regulation with a wide range of delivery pressure.
- Temperature rating down to -50°C.
- High-quality components: Crafted for longevity and peak performance.
- Oxygen and hydrogen safe: Safe for use with high-purity gases.

J70 1/4" Specification

Port size
- 1/4″ NPT
Gauge port
- 3 x 1/4” NPT – optional configurations
Cv / Kv
- 0.12 / 0.1
Medium
- Gas
- Liquid
Pressure range (bar / PSI)
- 2 … 20 / 29 … 290
- 5 … 50 / 72 … 725
- 10 … 100 / 145 … 1450
- 20 … 200 / 290 … 2900
- 40 … 414 / 600 … 6000
- 70 … 700 / 1015 … 10150*
*HP version only
Material temperature range (°C / °F)
- NBR -10 … +100 / 14 … +212
- FKM -20 … +100 / -4 … +212
- EPDM -30 … +100 / -22… +212
- Low temp. NBR -50 … +100 / -58… +212
Envelope
- Envelope (L x W x H):
- 69 x 69 x 196
- 2.4mm valve seat
- 1/8” NPT ported vent
- Panel mounting – optional kit
Other options
- Tamper-proof stem cap
- NACE MR0175/ISO 15156 compliant (non-vented only)
- Clean to ASTM G93 level C and/or CGA G-4.1
- Limit stop for pressure control range
J71 1/2" Specification

Port size
- 1/2″ NPT & G1/2
Gauge Port
- 1 x 1/4” NPT
Cv/Kv
- 1.8/1.56
Medium
- Gas and liquid
Pressure range (bar / PSI)
- 0 … 3 / 0 … 44
- 1 … 10 / 15 … 145
- 2 … 20 / 29 … 290
- 5… 50* / 73 … 725*
- 10…100* / 145… 1450*
- 20…200* / 290…2900*
- 40…414* / 600…6000*
*SP version only
Material temperature range (°C / °F)
- NBR -10 … +100 / 14 … +212
- FKM -20 … +100 / -4 … +212
- EPDM -30 … +100 / -22… +212
- Low temp. NBR -50 … +100 / -58… +212
Envelope
- Envelope (LxWxH): 82 x 82 x 244
- 10mm (13/32″) valve seat
- Vented port
Options
- Tamper-proof stem cap
- NACE MR0175/ISO 15156 compliant (non-vented only)
- Clean to ASTM G93 level C and/or CGA G-4.1
- Limit stop for pressure control range
Find your perfect flow control solution