• Shenzhen Wofly Technology Co., Ltd.
    Dariof Fassini
    All perfect. Quality is 4.5 on 5 but quality to price ratio is excellent.
  • Shenzhen Wofly Technology Co., Ltd.
    Jasper Mokkink
    I have had an great experience ordering from Wolfy! The communication was always quick and clear. Adding parts to your order after you made your payment is also accepted by Wolfy. They are also willing to hold your order for a little bit if you need time to decide what additional parts you would like to add. I ordered compression fittings.
Contact Person : Catlin Zeng
Phone Number : 0086-13430639757
WhatsApp : +8613430639757

2.5Mpa Brass Pressure Regulator Outlet Connection 1/4" NPT CE Certification

Place of Origin Guangdong, China (Mainland)
Brand Name AFK
Model Number R57L
Minimum Order Quantity 1 - 9 Sets
Price Negotiable
Packaging Details Export packing
Supply Ability 10000 Set/Sets per Week

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WhatsApp:0086 18588475571

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Product Details
Max Inlet Pressure 2.5 Mpa Inlet Connection 1/4" NPT (F)
Outlet Connection 1/4" NPT (F) Material Brass
Pressure Gauge 2" Port SHENZHEN
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brass air regulator


gas flow regulator

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Product Description
Product Description

Single Stage Low Pressure Brass Natural Gas Pressure Regulator

R57L Series single stage gas pressure regulator, Widely used in small and medium flow gas distribution system, suitable for pressure and flow requirements of the occasion.
1)Model: R57L Gas Pressure Regulator
2)Outlet pressure: 2.5 Mpa
3)Gauge: One
4)Inlet connection: 1/4" NPT (F), M16-1.5RH(M)
5)Outlet connection: 1/4" NPT (F), M16-1.5RH(M)
Detailed Images
Feature highlight
Single stage pressure regulator
2" Diaphragm 
2" pressure gauge
Max. inlet pressure: 2.5 Mpa
Weight: 1.0 KG
Main component material
Oxygen, Acetylene, Natural gas, Propane, Argon, Nitrogen, Air, Helium


Product Selection


Application Gas

Max.Inlet Pressure(MPa)

Outlet Pressure(MPa)

Inlet Gauge(Mpa)

Outlet Gauge(Mpa)

Inlet thread

Outlet thread

R57LX-15 O2 2.5 0.03~0.85 N/A 1.6 1/4"NPT(F) 1/4"NPT(F)
R57LX-15-N 2.5 0.03~0.85 N/A 1.6 M16-1.5RH(M) M16-1.5RH(M)
R57LX-17-N 2.5 0.03~1.7 N/A 2.5 1/4"NPT(F) 1/4"NPT(F)
R57LY-15 acetylene 2.5 0.01~0.1 N/A 0.25 1/4"NPT(F) 1/4"NPT(F)
R57LY-15-N 2.5 0.01~0.1 N/A 0.25 M16-1.5RH(M) M16-1.5RH(M)
R57LF-80 Propane, natural gas 2.5 0.02~0.56 N/A 1 1/4"NPT(F) 1/4"NPT(F)
R57LF-80-N 2.5 0.02~0.56 N/A 1 M16-1.5RH(M) M16-1.5RH(M)
R57LIN-15 Argon, helium, nitrogen 2.5 0.03~0.85 N/A 1.6 1/4"NPT(F) 1/4"NPT(F)
R57LIN-17   2.5 0.03~1.7 N/A 2.5 1/4"NPT(F) 1/4"NPT(F)
R57LQ-15 Air 2.5 0.03~0.85 N/A 1.6 1/4"NPT(F) 1/4"NPT(F)
R57-LQ-17 2.5 0.03~1.7 N/A 2.5 1/4"NPT(F) 1/4"NPT(F)
R57LH-08 H2 2.5 0.02~0.85 N/A 1 1/4"NPT(F) 1/4"NPT(F)
R57-LH-15 2.5 0.03~0.85 N/A 1.6 1/4"NPT(F) 1/4"NPT(F)
R57-LH-17 2.5 0.03~1.7 N/A 2.5 1/4"NPT(F) 1/4"NPT(F)
R57-LC-15 CO2 2.5 0.03~0.85 N/A 1.6 1/4"NPT(F) 1/4"NPT(F)
R57-LC-17 2.5 0.03~1.7 N/A 2.5 1/4"NPT(F) 1/4"NPT(F)




Q: Are you trading company or manufacturer?
A: We are original manufacturer. We can do OEM/ODM business.Our company mainly produces Pressure Regulator.


Q: How long is your delivery time?
A: Group buying delivery time: 30-60 days; General delivery time: 20 days.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.


Q: What is the warranty ?
A: The free warranty is one year from the day of Commissioning qualified.If there is any fault for our products within the free warranty period, we will repair it and change the fault assembly for free.