Maxseal Back Pressure Regulator (L7x Series)NEW
Maxseal high-performance back pressure regulators designed to perform in the harshest environments
Introducing the latest innovation in the Maxseal range, our back pressure regulator typifies 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 back pressure regulators deliver consistent pressure regulation and flow outputs for a variety of industrial applications.
Elevate your systems with the Maxseal back pressure regulators, where advanced engineering meets practical design to deliver regulations 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 for accurate control of upstream pressure.
- Choice of pressure control ranges tailored to your application.
- 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.
L70 1/4" Specification
Port size
- 1/4″ NPT
Gauge port
- 3 x 1/4” NPT – optional configurations
Cv / Kv
- 0.15 / 0.13
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
- 2.2mm valve seat
- Panel mounting – optional kit
Other options
- Tamper-proof stem cap
- NACE MR0175/ISO 15156 compliant
- Clean to ASTM G93 level C and/or CGA G-4.1
- Limit stop for pressure control range
L71 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
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