SKU: 91786716517

Model 425-125-580 Premium Single-Stage Pressure Regulator

Sale price$103.50 Regular price$115.00
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Model 425-125-580 Premium Single-Stage Pressure RegulatorModel 425 is a premium, single stage, industrial regulator that is an ideal choice for most industrial applications. This regulator incorporates a number of Harris features designed to make it a rugged, long lasting performer, including an exclusive tamper proof, self reseating internal HP safety valve and a neoprene diaphragm. The 425 is also available in a multitude of pressure ranges and for all standard industry gases. Model 425 125 580 premium

Model 425 is a premium, single-stage, industrial regulator that is an ideal choice for most industrial applications. This regulator incorporates a number of Harris features designed to make it a rugged, long-lasting performer, including an exclusive tamper-proof, self-reseating internal HP safety valve and a neoprene diaphragm. The 425 is also available in a multitude of pressure ranges and for all standard industry gases.
  • Model 425-125-580 premium heavy duty single-stage regulator
  • Model 425 is a premium, single-stage, industrial regulator that is an ideal choice for most industrial applications. This regulator incorporates a number of Harris features designed to make it a rugged, long-lasting performer, including an exclusive tamper-proof, self-reseating internal HP safety valve and a neoprene diaphragm. The 425 is also available in a multitude of pressure ranges and for all standard industry gases.
  • Single-stage industrial regulator with premium features
  • Designed for rugged, long-lasting performance
  • Easy-to-operate brass T-screw adjusting handle
  • Brass body and bonnet for longer service life
  • Neoprene diaphragm for improved pressure control
  • 2.5 in. Brass dual scale easy-to-read gauges
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • UL® listed
  • Equipped with a tamper-proof, self-reseating internal safety relief valve
  • Model 425-125-580 Premium Heavy Duty Single-Stage Pressure Regulator
  • 7 Years
  • Inert-425-125PSI-CGA580
  • Harris
  • UL
  • Argon;Helium;Nitrogen
  • Adjusting Screw: Brass T-screw
  • Body: Brass
  • Bonnet: Brass
  • Certification: CGA E-4;UL® listed
  • Cv: 0.17
  • Delivery Pressure Gauge (PSIG): 200
  • Delivery Pressure Range (PSIG): 0 - 125
  • Diaphragm: Neoprene
  • Duty: Heavy
  • Equipped With: Tamper proof, self-reseating internal high pressure safety valve
  • Gas / Gas Service: Argon;Helium;Nitrogen
  • Gauges: 2.5 in. Brass dual scale (psi/kPa)
  • Inlet Connection: CGA 580
  • Maximum Inlet Pressure (PSIG): 3000
  • Outlet Connection: 9/16 in. - 18 RH
  • Pressure Regulation PSIG/100 PSIG: 0.20
  • Recommended Items/Accessories: Steel Gauge Guard - Red (Fuel) - PN 4300238;Steel Gauge Guard - Green (Oxygen) - PN 4300239;Adaptor - 9/16 in. - 18 (F) x 5/8 in. - 18 (F) PN 90000002
  • Seat: PTFE Teflon®
  • Supply Pressure Gauge (PSIG): 4000

What's Included: Model 425-125-580 Premium Heavy Duty Single-Stage Pressure Regulator

Model Name: Inert-425-125PSI-CGA580

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91786716517

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Randy Deasy
Cuba, US
★★★★★ 5
Not to thick or thin well made
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
I bought pink so as not to lose when doing laundry with my daughter who steels all socks lol!
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Reviewed in the United States on May 8, 2026
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Stacey Cohick
Battle Creek, US
★★★★★ 5
Perfect
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
They were perfect
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Reviewed in the United States on April 27, 2026
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Susan Brown
San Leandro, US
★★★★★ 5
Very Comfortable!
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
Very comfortable. Don’t slip off back of heal. Love the colors.
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Reviewed in the United States on March 25, 2026
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C. V.
Alexandria, US
★★★★★ 5
😊
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
These are really nice except I don’t like all the colors of them so I’m getting different ones same company just different colors. I don’t like the thick ones these are perfect.. 🤩
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Reviewed in the United States on February 24, 2026
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KDK in Texas
Omaha, US
★★★★★ 3
Pretty Colors to Encourage Me to Walk!
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
Hum. Extra large does not seem extra large. I have a slender but size 10-10.5 foot. Will keep but was hoping for a looser fit. Bought to match an Under Armour walking outfit.
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Reviewed in the United States on May 16, 2026

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